/*
Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FLOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this
program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.jdbc;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectOutputStream;
import java.io.Reader;
import java.io.StringReader;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Constructor;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.URL;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import java.sql.Array;
import java.sql.Clob;
import java.sql.DatabaseMetaData;
import java.sql.Date;
import java.sql.ParameterMetaData;
import java.sql.Ref;
import java.sql.SQLException;
import java.sql.Time;
import java.sql.Timestamp;
import java.sql.Types;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.TimeZone;
import com.mysql.jdbc.exceptions.MySQLStatementCancelledException;
import com.mysql.jdbc.exceptions.MySQLTimeoutException;
import com.mysql.jdbc.profiler.ProfilerEvent;
/**
* A SQL Statement is pre-compiled and stored in a PreparedStatement object.
* This object can then be used to efficiently execute this statement multiple
* times.
*
* <p>
* <B>Note:</B> The setXXX methods for setting IN parameter values must specify
* types that are compatible with the defined SQL type of the input parameter.
* For instance, if the IN parameter has SQL type Integer, then setInt should be
* used.
* </p>
*
* <p>
* If arbitrary parameter type conversions are required, then the setObject
* method should be used with a target SQL type.
* </p>
*
* @author Mark Matthews
* @version $Id: PreparedStatement.java,v 1.1.2.1 2005/05/13 18:58:38 mmatthews
* Exp $
*
* @see java.sql.ResultSet
* @see java.sql.PreparedStatement
*/
public class PreparedStatement extends com.mysql.jdbc.StatementImpl implements
java.sql.PreparedStatement {
private static final Constructor<?> JDBC_4_PSTMT_2_ARG_CTOR;
private static final Constructor<?> JDBC_4_PSTMT_3_ARG_CTOR;
private static final Constructor<?> JDBC_4_PSTMT_4_ARG_CTOR;
static {
if (Util.isJdbc4()) {
try {
JDBC_4_PSTMT_2_ARG_CTOR = Class.forName(
"com.mysql.jdbc.JDBC4PreparedStatement")
.getConstructor(
new Class[] { MySQLConnection.class, String.class });
JDBC_4_PSTMT_3_ARG_CTOR = Class.forName(
"com.mysql.jdbc.JDBC4PreparedStatement")
.getConstructor(
new Class[] { MySQLConnection.class, String.class,
String.class });
JDBC_4_PSTMT_4_ARG_CTOR = Class.forName(
"com.mysql.jdbc.JDBC4PreparedStatement")
.getConstructor(
new Class[] { MySQLConnection.class, String.class,
String.class, ParseInfo.class });
} catch (SecurityException e) {
throw new RuntimeException(e);
} catch (NoSuchMethodException e) {
throw new RuntimeException(e);
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
} else {
JDBC_4_PSTMT_2_ARG_CTOR = null;
JDBC_4_PSTMT_3_ARG_CTOR = null;
JDBC_4_PSTMT_4_ARG_CTOR = null;
}
}
public class BatchParams {
public boolean[] isNull = null;
public boolean[] isStream = null;
public InputStream[] parameterStreams = null;
public byte[][] parameterStrings = null;
public int[] streamLengths = null;
BatchParams(byte[][] strings, InputStream[] streams,
boolean[] isStreamFlags, int[] lengths, boolean[] isNullFlags) {
//
// Make copies
//
this.parameterStrings = new byte[strings.length][];
this.parameterStreams = new InputStream[streams.length];
this.isStream = new boolean[isStreamFlags.length];
this.streamLengths = new int[lengths.length];
this.isNull = new boolean[isNullFlags.length];
System.arraycopy(strings, 0, this.parameterStrings, 0,
strings.length);
System.arraycopy(streams, 0, this.parameterStreams, 0,
streams.length);
System.arraycopy(isStreamFlags, 0, this.isStream, 0,
isStreamFlags.length);
System.arraycopy(lengths, 0, this.streamLengths, 0, lengths.length);
System
.arraycopy(isNullFlags, 0, this.isNull, 0,
isNullFlags.length);
}
}
class EndPoint {
int begin;
int end;
EndPoint(int b, int e) {
this.begin = b;
this.end = e;
}
}
class ParseInfo {
char firstStmtChar = 0;
boolean foundLimitClause = false;
boolean foundLoadData = false;
long lastUsed = 0;
int statementLength = 0;
int statementStartPos = 0;
boolean canRewriteAsMultiValueInsert = false;
byte[][] staticSql = null;
boolean isOnDuplicateKeyUpdate = false;
int locationOfOnDuplicateKeyUpdate = -1;
String valuesClause;
boolean parametersInDuplicateKeyClause = false;
/**
* Represents the "parsed" state of a client-side
* prepared statement, with the statement broken up into
* it's static and dynamic (where parameters are bound)
* parts.
*/
ParseInfo(String sql, MySQLConnection conn,
java.sql.DatabaseMetaData dbmd, String encoding,
SingleByteCharsetConverter converter) throws SQLException {
this(sql, conn, dbmd, encoding, converter, true);
}
public ParseInfo(String sql, MySQLConnection conn,
java.sql.DatabaseMetaData dbmd, String encoding,
SingleByteCharsetConverter converter, boolean buildRewriteInfo) throws SQLException {
try {
if (sql == null) {
throw SQLError.createSQLException(Messages
.getString("PreparedStatement.61"), //$NON-NLS-1$
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
this.locationOfOnDuplicateKeyUpdate = getOnDuplicateKeyLocation(sql);
this.isOnDuplicateKeyUpdate = this.locationOfOnDuplicateKeyUpdate != -1;
this.lastUsed = System.currentTimeMillis();
String quotedIdentifierString = dbmd.getIdentifierQuoteString();
char quotedIdentifierChar = 0;
if ((quotedIdentifierString != null)
&& !quotedIdentifierString.equals(" ") //$NON-NLS-1$
&& (quotedIdentifierString.length() > 0)) {
quotedIdentifierChar = quotedIdentifierString.charAt(0);
}
this.statementLength = sql.length();
ArrayList<int[]> endpointList = new ArrayList<int[]>();
boolean inQuotes = false;
char quoteChar = 0;
boolean inQuotedId = false;
int lastParmEnd = 0;
int i;
int stopLookingForLimitClause = this.statementLength - 5;
this.foundLimitClause = false;
boolean noBackslashEscapes = connection.isNoBackslashEscapesSet();
// we're not trying to be real pedantic here, but we'd like to
// skip comments at the beginning of statements, as frameworks
// such as Hibernate use them to aid in debugging
statementStartPos = findStartOfStatement(sql);
for (i = statementStartPos; i < this.statementLength; ++i) {
char c = sql.charAt(i);
if ((this.firstStmtChar == 0) && Character.isLetter(c)) {
// Determine what kind of statement we're doing (_S_elect,
// _I_nsert, etc.)
this.firstStmtChar = Character.toUpperCase(c);
}
if (!noBackslashEscapes &&
c == '\\' && i < (this.statementLength - 1)) {
i++;
continue; // next character is escaped
}
// are we in a quoted identifier?
// (only valid when the id is not inside a 'string')
if (!inQuotes && (quotedIdentifierChar != 0)
&& (c == quotedIdentifierChar)) {
inQuotedId = !inQuotedId;
} else if (!inQuotedId) {
// only respect quotes when not in a quoted identifier
if (inQuotes) {
if (((c == '\'') || (c == '"')) && c == quoteChar) {
if (i < (this.statementLength - 1) && sql.charAt(i + 1) == quoteChar) {
i++;
continue; // inline quote escape
}
inQuotes = !inQuotes;
quoteChar = 0;
} else if (((c == '\'') || (c == '"')) && c == quoteChar) {
inQuotes = !inQuotes;
quoteChar = 0;
}
} else {
if (c == '#'
|| (c == '-' && (i + 1) < this.statementLength && sql
.charAt(i + 1) == '-')) {
// run out to end of statement, or newline,
// whichever comes first
int endOfStmt = this.statementLength - 1;
for (; i < endOfStmt; i++) {
c = sql.charAt(i);
if (c == '\r' || c == '\n') {
break;
}
}
continue;
} else if (c == '/' && (i + 1) < this.statementLength) {
// Comment?
char cNext = sql.charAt(i + 1);
if (cNext == '*') {
i+= 2;
for (int j = i; j < this.statementLength; j++) {
i++;
cNext = sql.charAt(j);
if (cNext == '*' && (j + 1) < this.statementLength) {
if (sql.charAt(j + 1) == '/') {
i++;
if (i < this.statementLength) {
c = sql.charAt(i);
}
break; // comment done
}
}
}
}
} else if ((c == '\'') || (c == '"')) {
inQuotes = true;
quoteChar = c;
}
}
}
if ((c == '?') && !inQuotes && !inQuotedId) {
endpointList.add(new int[] { lastParmEnd, i });
lastParmEnd = i + 1;
if (isOnDuplicateKeyUpdate && i > locationOfOnDuplicateKeyUpdate) {
parametersInDuplicateKeyClause = true;
}
}
if (!inQuotes && !inQuotedId && (i < stopLookingForLimitClause)) {
if ((c == 'L') || (c == 'l')) {
char posI1 = sql.charAt(i + 1);
if ((posI1 == 'I') || (posI1 == 'i')) {
char posM = sql.charAt(i + 2);
if ((posM == 'M') || (posM == 'm')) {
char posI2 = sql.charAt(i + 3);
if ((posI2 == 'I') || (posI2 == 'i')) {
char posT = sql.charAt(i + 4);
if ((posT == 'T') || (posT == 't')) {
boolean hasPreviosIdChar = false;
boolean hasFollowingIdChar = false;
if (i>statementStartPos && StringUtils.isValidIdChar(sql.charAt(i - 1))) {
hasPreviosIdChar = true;
}
if (i + 5 < this.statementLength && StringUtils.isValidIdChar(sql.charAt(i + 5))) {
hasFollowingIdChar = true;
}
if (!hasPreviosIdChar && !hasFollowingIdChar) {
foundLimitClause = true;
}
}
}
}
}
}
}
}
if (this.firstStmtChar == 'L') {
if (StringUtils.startsWithIgnoreCaseAndWs(sql, "LOAD DATA")) { //$NON-NLS-1$
this.foundLoadData = true;
} else {
this.foundLoadData = false;
}
} else {
this.foundLoadData = false;
}
endpointList.add(new int[] { lastParmEnd, this.statementLength });
this.staticSql = new byte[endpointList.size()][];
char[] asCharArray = sql.toCharArray();
for (i = 0; i < this.staticSql.length; i++) {
int[] ep = endpointList.get(i);
int end = ep[1];
int begin = ep[0];
int len = end - begin;
if (this.foundLoadData) {
String temp = new String(asCharArray, begin, len);
this.staticSql[i] = StringUtils.getBytes(temp);
} else if (encoding == null) {
byte[] buf = new byte[len];
for (int j = 0; j < len; j++) {
buf[j] = (byte) sql.charAt(begin + j);
}
this.staticSql[i] = buf;
} else {
if (converter != null) {
this.staticSql[i] = StringUtils.getBytes(sql,
converter, encoding, connection
.getServerCharacterEncoding(), begin,
len, connection.parserKnowsUnicode(), getExceptionInterceptor());
} else {
String temp = new String(asCharArray, begin, len);
this.staticSql[i] = StringUtils.getBytes(temp,
encoding, connection
.getServerCharacterEncoding(),
connection.parserKnowsUnicode(), conn, getExceptionInterceptor());
}
}
}
} catch (StringIndexOutOfBoundsException oobEx) {
SQLException sqlEx = new SQLException("Parse error for " + sql);
sqlEx.initCause(oobEx);
throw sqlEx;
}
if (buildRewriteInfo) {
this.canRewriteAsMultiValueInsert = PreparedStatement
.canRewrite(sql, this.isOnDuplicateKeyUpdate,
this.locationOfOnDuplicateKeyUpdate,
this.statementStartPos) && !this.parametersInDuplicateKeyClause;
if (this.canRewriteAsMultiValueInsert
&& conn.getRewriteBatchedStatements()) {
buildRewriteBatchedParams(sql, conn, dbmd, encoding,
converter);
}
}
}
private ParseInfo batchHead;
private ParseInfo batchValues;
private ParseInfo batchODKUClause;
private void buildRewriteBatchedParams(String sql, MySQLConnection conn,
DatabaseMetaData metadata, String encoding,
SingleByteCharsetConverter converter) throws SQLException {
this.valuesClause = extractValuesClause(sql);
String odkuClause = isOnDuplicateKeyUpdate ? sql
.substring(locationOfOnDuplicateKeyUpdate) : null;
String headSql = null;
if (isOnDuplicateKeyUpdate) {
headSql = sql.substring(0, locationOfOnDuplicateKeyUpdate);
} else {
headSql = sql;
}
this.batchHead = new ParseInfo(headSql, conn, metadata, encoding,
converter, false);
this.batchValues = new ParseInfo("," + this.valuesClause, conn,
metadata, encoding, converter, false);
this.batchODKUClause = null;
if (odkuClause != null && odkuClause.length() > 0) {
this.batchODKUClause = new ParseInfo("," + this.valuesClause
+ " " + odkuClause, conn, metadata, encoding,
converter, false);
}
}
private String extractValuesClause(String sql) throws SQLException {
String quoteCharStr = connection.getMetaData()
.getIdentifierQuoteString();
int indexOfValues = -1;
int valuesSearchStart = statementStartPos;
while (indexOfValues == -1) {
if (quoteCharStr.length() > 0) {
indexOfValues = StringUtils.indexOfIgnoreCaseRespectQuotes(
valuesSearchStart,
originalSql, "VALUES", quoteCharStr.charAt(0), false);
} else {
indexOfValues = StringUtils.indexOfIgnoreCase(valuesSearchStart,
originalSql,
"VALUES");
}
if (indexOfValues > 0) {
/* check if the char immediately preceding VALUES may be part of the table name */
char c = originalSql.charAt(indexOfValues - 1);
if(!(Character.isWhitespace(c) || c == ')' || c == '`')){
valuesSearchStart = indexOfValues + 6;
indexOfValues = -1;
} else {
/* check if the char immediately following VALUES may be whitespace or open parenthesis */
c = originalSql.charAt(indexOfValues + 6);
if(!(Character.isWhitespace(c) || c == '(')){
valuesSearchStart = indexOfValues + 6;
indexOfValues = -1;
}
}
} else {
break;
}
}
if (indexOfValues == -1) {
return null;
}
int indexOfFirstParen = sql.indexOf('(', indexOfValues + 6);
if (indexOfFirstParen == -1) {
return null;
}
int endOfValuesClause = sql.lastIndexOf(')');
if (endOfValuesClause == -1) {
return null;
}
if (isOnDuplicateKeyUpdate) {
endOfValuesClause = this.locationOfOnDuplicateKeyUpdate - 1;
}
return sql.substring(indexOfFirstParen, endOfValuesClause + 1);
}
/**
* Returns a ParseInfo for a multi-value INSERT for a batch of size numBatch (without parsing!).
*/
synchronized ParseInfo getParseInfoForBatch(int numBatch) {
AppendingBatchVisitor apv = new AppendingBatchVisitor();
buildInfoForBatch(numBatch, apv);
ParseInfo batchParseInfo = new ParseInfo(apv.getStaticSqlStrings(),
this.firstStmtChar, this.foundLimitClause,
this.foundLoadData, this.isOnDuplicateKeyUpdate,
this.locationOfOnDuplicateKeyUpdate, this.statementLength,
this.statementStartPos);
return batchParseInfo;
}
/**
* Returns a preparable SQL string for the number of batched parameters, used by server-side prepared statements
* when re-writing batch INSERTs.
*/
String getSqlForBatch(int numBatch) throws UnsupportedEncodingException {
ParseInfo batchInfo = getParseInfoForBatch(numBatch);
return getSqlForBatch(batchInfo);
}
/**
* Used for filling in the SQL for getPreparedSql() - for debugging
*/
String getSqlForBatch(ParseInfo batchInfo) throws UnsupportedEncodingException {
int size = 0;
final byte[][] sqlStrings = batchInfo.staticSql;
final int sqlStringsLength = sqlStrings.length;
for (int i = 0; i < sqlStringsLength; i++) {
size += sqlStrings[i].length;
size++; // for the '?'
}
StringBuffer buf = new StringBuffer(size);
for (int i = 0; i < sqlStringsLength - 1; i++) {
buf.append(StringUtils.toString(sqlStrings[i], charEncoding));
buf.append("?");
}
buf.append(StringUtils.toString(sqlStrings[sqlStringsLength - 1]));
return buf.toString();
}
/**
* Builds a ParseInfo for the given batch size, without parsing. We use
* a visitor pattern here, because the if {}s make computing a size for the
* resultant byte[][] make this too complex, and we don't necessarily want to
* use a List for this, because the size can be dynamic, and thus we'll not be
* able to guess a good initial size for an array-based list, and it's not
* efficient to convert a LinkedList to an array.
*/
private void buildInfoForBatch(int numBatch, BatchVisitor visitor) {
final byte[][] headStaticSql = this.batchHead.staticSql;
final int headStaticSqlLength = headStaticSql.length;
if (headStaticSqlLength > 1) {
for (int i = 0; i < headStaticSqlLength - 1; i++) {
visitor.append(headStaticSql[i]).increment();
}
}
// merge end of head, with beginning of a value clause
byte[] endOfHead = headStaticSql[headStaticSqlLength - 1];
final byte[][] valuesStaticSql = this.batchValues.staticSql;
byte[] beginOfValues = valuesStaticSql[0];
visitor.merge(endOfHead, beginOfValues).increment();
int numValueRepeats = numBatch - 1; // first one is in the "head"
if (this.batchODKUClause != null) {
numValueRepeats--; // Last one is in the ODKU clause
}
final int valuesStaticSqlLength = valuesStaticSql.length;
byte[] endOfValues = valuesStaticSql[valuesStaticSqlLength - 1];
for (int i = 0; i < numValueRepeats; i++) {
for (int j = 1; j < valuesStaticSqlLength - 1; j++) {
visitor.append(valuesStaticSql[j]).increment();
}
visitor.merge(endOfValues, beginOfValues).increment();
}
if (this.batchODKUClause != null) {
final byte[][] batchOdkuStaticSql = this.batchODKUClause.staticSql;
byte[] beginOfOdku = batchOdkuStaticSql[0];
visitor.decrement().merge(endOfValues, beginOfOdku).increment();
final int batchOdkuStaticSqlLength = batchOdkuStaticSql.length;
if (numBatch > 1) {
for (int i = 1; i < batchOdkuStaticSqlLength; i++) {
visitor.append(batchOdkuStaticSql[i])
.increment();
}
} else {
visitor.decrement().append(batchOdkuStaticSql[(batchOdkuStaticSqlLength - 1)]);
}
} else {
// Everything after the values clause, but not ODKU, which today is nothing
// but a syntax error, but we should still not mangle the SQL!
visitor.decrement().append(this.staticSql[this.staticSql.length - 1]);
}
}
private ParseInfo(byte[][] staticSql, char firstStmtChar,
boolean foundLimitClause, boolean foundLoadData,
boolean isOnDuplicateKeyUpdate,
int locationOfOnDuplicateKeyUpdate, int statementLength,
int statementStartPos) {
this.firstStmtChar = firstStmtChar;
this.foundLimitClause = foundLimitClause;
this.foundLoadData = foundLoadData;
this.isOnDuplicateKeyUpdate = isOnDuplicateKeyUpdate;
this.locationOfOnDuplicateKeyUpdate = locationOfOnDuplicateKeyUpdate;
this.statementLength = statementLength;
this.statementStartPos = statementStartPos;
this.staticSql = staticSql;
}
}
interface BatchVisitor {
abstract BatchVisitor increment();
abstract BatchVisitor decrement();
abstract BatchVisitor append(byte[] values);
abstract BatchVisitor merge(byte[] begin, byte[] end);
}
class AppendingBatchVisitor implements BatchVisitor {
LinkedList<byte[]> statementComponents = new LinkedList<byte[]>();
public BatchVisitor append(byte[] values) {
statementComponents.addLast(values);
return this;
}
public BatchVisitor increment() {
// no-op
return this;
}
public BatchVisitor decrement() {
statementComponents.removeLast();
return this;
}
public BatchVisitor merge(byte[] front, byte[] back) {
int mergedLength = front.length + back.length;
byte[] merged = new byte[mergedLength];
System.arraycopy(front, 0, merged, 0, front.length);
System.arraycopy(back, 0, merged, front.length, back.length);
statementComponents.addLast(merged);
return this;
}
public byte[][] getStaticSqlStrings() {
byte[][] asBytes = new byte[this.statementComponents.size()][];
this.statementComponents.toArray(asBytes);
return asBytes;
}
public String toString() {
StringBuffer buf = new StringBuffer();
Iterator<byte[]> iter = this.statementComponents.iterator();
while (iter.hasNext()) {
buf.append(StringUtils.toString(iter.next()));
}
return buf.toString();
}
}
private final static byte[] HEX_DIGITS = new byte[] { (byte) '0',
(byte) '1', (byte) '2', (byte) '3', (byte) '4', (byte) '5',
(byte) '6', (byte) '7', (byte) '8', (byte) '9', (byte) 'A',
(byte) 'B', (byte) 'C', (byte) 'D', (byte) 'E', (byte) 'F' };
/**
* Reads length bytes from reader into buf. Blocks until enough input is
* available
*
* @param reader
* DOCUMENT ME!
* @param buf
* DOCUMENT ME!
* @param length
* DOCUMENT ME!
*
* @return DOCUMENT ME!
*
* @throws IOException
* DOCUMENT ME!
*/
protected static int readFully(Reader reader, char[] buf, int length)
throws IOException {
int numCharsRead = 0;
while (numCharsRead < length) {
int count = reader.read(buf, numCharsRead, length - numCharsRead);
if (count < 0) {
break;
}
numCharsRead += count;
}
return numCharsRead;
}
/**
* Does the batch (if any) contain "plain" statements added by
* Statement.addBatch(String)?
*
* If so, we can't re-write it to use multi-value or multi-queries.
*/
protected boolean batchHasPlainStatements = false;
private java.sql.DatabaseMetaData dbmd = null;
/**
* What is the first character of the prepared statement (used to check for
* SELECT vs. INSERT/UPDATE/DELETE)
*/
protected char firstCharOfStmt = 0;
/** Does the SQL for this statement contain a 'limit' clause? */
protected boolean hasLimitClause = false;
/** Is this query a LOAD DATA query? */
protected boolean isLoadDataQuery = false;
protected boolean[] isNull = null;
private boolean[] isStream = null;
protected int numberOfExecutions = 0;
/** The SQL that was passed in to 'prepare' */
protected String originalSql = null;
/** The number of parameters in this PreparedStatement */
protected int parameterCount;
protected MysqlParameterMetadata parameterMetaData;
private InputStream[] parameterStreams = null;
private byte[][] parameterValues = null;
/**
* Only used by statement interceptors at the moment to
* provide introspection of bound values
*/
protected int[] parameterTypes = null;
protected ParseInfo parseInfo;
private java.sql.ResultSetMetaData pstmtResultMetaData;
private byte[][] staticSqlStrings = null;
private byte[] streamConvertBuf = null;
private int[] streamLengths = null;
private SimpleDateFormat tsdf = null;
/**
* Are we using a version of MySQL where we can use 'true' boolean values?
*/
protected boolean useTrueBoolean = false;
protected boolean usingAnsiMode;
protected String batchedValuesClause;
private boolean doPingInstead;
private SimpleDateFormat ddf;
private SimpleDateFormat tdf;
private boolean compensateForOnDuplicateKeyUpdate = false;
/** Charset encoder used to escape if needed, such as Yen sign in SJIS */
private CharsetEncoder charsetEncoder;
/** Command index of currently executing batch command. */
protected int batchCommandIndex = -1;
protected boolean serverSupportsFracSecs;
/**
* Creates a prepared statement instance -- We need to provide factory-style
* methods so we can support both JDBC3 (and older) and JDBC4 runtimes,
* otherwise the class verifier complains when it tries to load JDBC4-only
* interface classes that are present in JDBC4 method signatures.
*/
protected static PreparedStatement getInstance(MySQLConnection conn,
String catalog) throws SQLException {
if (!Util.isJdbc4()) {
return new PreparedStatement(conn, catalog);
}
return (PreparedStatement) Util.handleNewInstance(
JDBC_4_PSTMT_2_ARG_CTOR, new Object[] { conn, catalog }, conn.getExceptionInterceptor());
}
/**
* Creates a prepared statement instance -- We need to provide factory-style
* methods so we can support both JDBC3 (and older) and JDBC4 runtimes,
* otherwise the class verifier complains when it tries to load JDBC4-only
* interface classes that are present in JDBC4 method signatures.
*/
protected static PreparedStatement getInstance(MySQLConnection conn, String sql,
String catalog) throws SQLException {
if (!Util.isJdbc4()) {
return new PreparedStatement(conn, sql, catalog);
}
return (PreparedStatement) Util.handleNewInstance(
JDBC_4_PSTMT_3_ARG_CTOR, new Object[] { conn, sql, catalog }, conn.getExceptionInterceptor());
}
/**
* Creates a prepared statement instance -- We need to provide factory-style
* methods so we can support both JDBC3 (and older) and JDBC4 runtimes,
* otherwise the class verifier complains when it tries to load JDBC4-only
* interface classes that are present in JDBC4 method signatures.
*/
protected static PreparedStatement getInstance(MySQLConnection conn, String sql,
String catalog, ParseInfo cachedParseInfo) throws SQLException {
if (!Util.isJdbc4()) {
return new PreparedStatement(conn, sql, catalog, cachedParseInfo);
}
return (PreparedStatement) Util.handleNewInstance(
JDBC_4_PSTMT_4_ARG_CTOR, new Object[] { conn, sql, catalog,
cachedParseInfo }, conn.getExceptionInterceptor());
}
/**
* Constructor used by server-side prepared statements
*
* @param conn
* the connection that created us
* @param catalog
* the catalog in use when we were created
*
* @throws SQLException
* if an error occurs
*/
public PreparedStatement(MySQLConnection conn, String catalog)
throws SQLException {
super(conn, catalog);
detectFractionalSecondsSupport();
this.compensateForOnDuplicateKeyUpdate = this.connection.getCompensateOnDuplicateKeyUpdateCounts();
}
protected void detectFractionalSecondsSupport() throws SQLException {
this.serverSupportsFracSecs = this.connection != null &&
this.connection.versionMeetsMinimum(5, 6, 4);
}
/**
* Constructor for the PreparedStatement class.
*
* @param conn
* the connection creating this statement
* @param sql
* the SQL for this statement
* @param catalog
* the catalog/database this statement should be issued against
*
* @throws SQLException
* if a database error occurs.
*/
public PreparedStatement(MySQLConnection conn, String sql, String catalog)
throws SQLException {
super(conn, catalog);
if (sql == null) {
throw SQLError.createSQLException(Messages.getString("PreparedStatement.0"), //$NON-NLS-1$
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
detectFractionalSecondsSupport();
this.originalSql = sql;
if (this.originalSql.startsWith(PING_MARKER)) {
this.doPingInstead = true;
} else {
this.doPingInstead = false;
}
this.dbmd = this.connection.getMetaData();
this.useTrueBoolean = this.connection.versionMeetsMinimum(3, 21, 23);
this.parseInfo = new ParseInfo(sql, this.connection, this.dbmd,
this.charEncoding, this.charConverter);
initializeFromParseInfo();
this.compensateForOnDuplicateKeyUpdate = this.connection.getCompensateOnDuplicateKeyUpdateCounts();
if (conn.getRequiresEscapingEncoder())
charsetEncoder = Charset.forName(conn.getEncoding()).newEncoder();
}
/**
* Creates a new PreparedStatement object.
*
* @param conn
* the connection creating this statement
* @param sql
* the SQL for this statement
* @param catalog
* the catalog/database this statement should be issued against
* @param cachedParseInfo
* already created parseInfo.
*
* @throws SQLException
* DOCUMENT ME!
*/
public PreparedStatement(MySQLConnection conn, String sql, String catalog,
ParseInfo cachedParseInfo) throws SQLException {
super(conn, catalog);
if (sql == null) {
throw SQLError.createSQLException(Messages.getString("PreparedStatement.1"), //$NON-NLS-1$
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
detectFractionalSecondsSupport();
this.originalSql = sql;
this.dbmd = this.connection.getMetaData();
this.useTrueBoolean = this.connection.versionMeetsMinimum(3, 21, 23);
this.parseInfo = cachedParseInfo;
this.usingAnsiMode = !this.connection.useAnsiQuotedIdentifiers();
initializeFromParseInfo();
this.compensateForOnDuplicateKeyUpdate = this.connection.getCompensateOnDuplicateKeyUpdateCounts();
if (conn.getRequiresEscapingEncoder())
charsetEncoder = Charset.forName(conn.getEncoding()).newEncoder();
}
/**
* JDBC 2.0 Add a set of parameters to the batch.
*
* @exception SQLException
* if a database-access error occurs.
*
* @see StatementImpl#addBatch
*/
public void addBatch() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (this.batchedArgs == null) {
this.batchedArgs = new ArrayList<Object>();
}
for (int i = 0; i < this.parameterValues.length; i++) {
checkAllParametersSet(this.parameterValues[i],
this.parameterStreams[i], i);
}
this.batchedArgs.add(new BatchParams(this.parameterValues,
this.parameterStreams, this.isStream, this.streamLengths,
this.isNull));
}
}
public void addBatch(String sql) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
this.batchHasPlainStatements = true;
super.addBatch(sql);
}
}
protected String asSql() throws SQLException {
return asSql(false);
}
protected String asSql(boolean quoteStreamsAndUnknowns) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
StringBuffer buf = new StringBuffer();
try {
int realParameterCount = this.parameterCount + getParameterIndexOffset();
Object batchArg = null;
if (batchCommandIndex != -1)
batchArg = batchedArgs.get(batchCommandIndex);
for (int i = 0; i < realParameterCount; ++i) {
if (this.charEncoding != null) {
buf.append(StringUtils.toString(this.staticSqlStrings[i],
this.charEncoding));
} else {
buf.append(StringUtils.toString(this.staticSqlStrings[i]));
}
byte val[] = null;
if (batchArg != null && batchArg instanceof String) {
buf.append((String)batchArg);
continue;
}
if (batchCommandIndex == -1)
val = parameterValues[i];
else
val = ((BatchParams)batchArg).parameterStrings[i];
boolean isStreamParam = false;
if (batchCommandIndex == -1)
isStreamParam = isStream[i];
else
isStreamParam = ((BatchParams)batchArg).isStream[i];
if ((val == null) && !isStreamParam) {
if (quoteStreamsAndUnknowns) {
buf.append("'");
}
buf.append("** NOT SPECIFIED **"); //$NON-NLS-1$
if (quoteStreamsAndUnknowns) {
buf.append("'");
}
} else if (isStreamParam) {
if (quoteStreamsAndUnknowns) {
buf.append("'");
}
buf.append("** STREAM DATA **"); //$NON-NLS-1$
if (quoteStreamsAndUnknowns) {
buf.append("'");
}
} else {
if (this.charConverter != null) {
buf.append(this.charConverter.toString(val));
} else {
if (this.charEncoding != null) {
buf.append(new String(val, this.charEncoding));
} else {
buf.append(StringUtils.toAsciiString(val));
}
}
}
}
if (this.charEncoding != null) {
buf.append(StringUtils.toString(
this.staticSqlStrings[this.parameterCount + getParameterIndexOffset()],
this.charEncoding));
} else {
buf
.append(StringUtils
.toAsciiString(this.staticSqlStrings[this.parameterCount + getParameterIndexOffset()]));
}
} catch (UnsupportedEncodingException uue) {
throw new RuntimeException(Messages
.getString("PreparedStatement.32") //$NON-NLS-1$
+ this.charEncoding
+ Messages.getString("PreparedStatement.33")); //$NON-NLS-1$
}
return buf.toString();
}
}
public void clearBatch() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
this.batchHasPlainStatements = false;
super.clearBatch();
}
}
/**
* In general, parameter values remain in force for repeated used of a
* Statement. Setting a parameter value automatically clears its previous
* value. However, in some cases, it is useful to immediately release the
* resources used by the current parameter values; this can be done by
* calling clearParameters
*
* @exception SQLException
* if a database access error occurs
*/
public void clearParameters() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
for (int i = 0; i < this.parameterValues.length; i++) {
this.parameterValues[i] = null;
this.parameterStreams[i] = null;
this.isStream[i] = false;
this.isNull[i] = false;
this.parameterTypes[i] = Types.NULL;
}
}
}
private final void escapeblockFast(byte[] buf, Buffer packet, int size)
throws SQLException {
int lastwritten = 0;
for (int i = 0; i < size; i++) {
byte b = buf[i];
if (b == '\0') {
// write stuff not yet written
if (i > lastwritten) {
packet.writeBytesNoNull(buf, lastwritten, i - lastwritten);
}
// write escape
packet.writeByte((byte) '\\');
packet.writeByte((byte) '0');
lastwritten = i + 1;
} else {
if ((b == '\\') || (b == '\'')
|| (!this.usingAnsiMode && b == '"')) {
// write stuff not yet written
if (i > lastwritten) {
packet.writeBytesNoNull(buf, lastwritten, i
- lastwritten);
}
// write escape
packet.writeByte((byte) '\\');
lastwritten = i; // not i+1 as b wasn't written.
}
}
}
// write out remaining stuff from buffer
if (lastwritten < size) {
packet.writeBytesNoNull(buf, lastwritten, size - lastwritten);
}
}
private final void escapeblockFast(byte[] buf,
ByteArrayOutputStream bytesOut, int size) {
int lastwritten = 0;
for (int i = 0; i < size; i++) {
byte b = buf[i];
if (b == '\0') {
// write stuff not yet written
if (i > lastwritten) {
bytesOut.write(buf, lastwritten, i - lastwritten);
}
// write escape
bytesOut.write('\\');
bytesOut.write('0');
lastwritten = i + 1;
} else {
if ((b == '\\') || (b == '\'')
|| (!this.usingAnsiMode && b == '"')) {
// write stuff not yet written
if (i > lastwritten) {
bytesOut.write(buf, lastwritten, i - lastwritten);
}
// write escape
bytesOut.write('\\');
lastwritten = i; // not i+1 as b wasn't written.
}
}
}
// write out remaining stuff from buffer
if (lastwritten < size) {
bytesOut.write(buf, lastwritten, size - lastwritten);
}
}
/**
* Check to see if the statement is safe for read-only slaves after failover.
*
* @return true if safe for read-only.
* @throws SQLException
*/
protected boolean checkReadOnlySafeStatement() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
return ((!this.connection.isReadOnly()) || (this.firstCharOfStmt == 'S'));
}
}
/**
* Some prepared statements return multiple results; the execute method
* handles these complex statements as well as the simpler form of
* statements handled by executeQuery and executeUpdate
*
* @return true if the next result is a ResultSet; false if it is an update
* count or there are no more results
*
* @exception SQLException
* if a database access error occurs
*/
public boolean execute() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
MySQLConnection locallyScopedConn = this.connection;
if(!checkReadOnlySafeStatement()) {
throw SQLError.createSQLException(Messages.getString("PreparedStatement.20") //$NON-NLS-1$
+ Messages.getString("PreparedStatement.21"), //$NON-NLS-1$
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
ResultSetInternalMethods rs = null;
CachedResultSetMetaData cachedMetadata = null;
lastQueryIsOnDupKeyUpdate = false;
if (retrieveGeneratedKeys) {
lastQueryIsOnDupKeyUpdate = containsOnDuplicateKeyUpdateInSQL();
}
boolean doStreaming = createStreamingResultSet();
clearWarnings();
// Adjust net_write_timeout to a higher value if we're
// streaming result sets. More often than not, someone runs into
// an issue where they blow net_write_timeout when using this
// feature, and if they're willing to hold a result set open
// for 30 seconds or more, one more round-trip isn't going to hurt
//
// This is reset by RowDataDynamic.close().
if (doStreaming
&& this.connection.getNetTimeoutForStreamingResults() > 0) {
executeSimpleNonQuery(locallyScopedConn,
"SET net_write_timeout="
+ this.connection
.getNetTimeoutForStreamingResults());
}
this.batchedGeneratedKeys = null;
Buffer sendPacket = fillSendPacket();
String oldCatalog = null;
if (!locallyScopedConn.getCatalog().equals(this.currentCatalog)) {
oldCatalog = locallyScopedConn.getCatalog();
locallyScopedConn.setCatalog(this.currentCatalog);
}
//
// Check if we have cached metadata for this query...
//
if (locallyScopedConn.getCacheResultSetMetadata()) {
cachedMetadata = locallyScopedConn.getCachedMetaData(this.originalSql);
}
Field[] metadataFromCache = null;
if (cachedMetadata != null) {
metadataFromCache = cachedMetadata.fields;
}
boolean oldInfoMsgState = false;
if (this.retrieveGeneratedKeys) {
oldInfoMsgState = locallyScopedConn.isReadInfoMsgEnabled();
locallyScopedConn.setReadInfoMsgEnabled(true);
}
// If there isn't a limit clause in the SQL
// then limit the number of rows to return in
// an efficient manner. Only do this if
// setMaxRows() hasn't been used on any Statements
// generated from the current Connection (saves
// a query, and network traffic).
//
// Only apply max_rows to selects
//
if (locallyScopedConn.useMaxRows()) {
int rowLimit = -1;
if (this.firstCharOfStmt == 'S') {
if (this.hasLimitClause) {
rowLimit = this.maxRows;
} else {
if (this.maxRows <= 0) {
executeSimpleNonQuery(locallyScopedConn,
"SET SQL_SELECT_LIMIT=DEFAULT");
} else {
executeSimpleNonQuery(locallyScopedConn,
"SET SQL_SELECT_LIMIT=" + this.maxRows);
}
}
} else {
executeSimpleNonQuery(locallyScopedConn,
"SET SQL_SELECT_LIMIT=DEFAULT");
}
// Finally, execute the query
rs = executeInternal(rowLimit, sendPacket,
doStreaming,
(this.firstCharOfStmt == 'S'), metadataFromCache, false);
} else {
rs = executeInternal(-1, sendPacket,
doStreaming,
(this.firstCharOfStmt == 'S'), metadataFromCache, false);
}
if (cachedMetadata != null) {
locallyScopedConn.initializeResultsMetadataFromCache(this.originalSql,
cachedMetadata, this.results);
} else {
if (rs.reallyResult() && locallyScopedConn.getCacheResultSetMetadata()) {
locallyScopedConn.initializeResultsMetadataFromCache(this.originalSql,
null /* will be created */, rs);
}
}
if (this.retrieveGeneratedKeys) {
locallyScopedConn.setReadInfoMsgEnabled(oldInfoMsgState);
rs.setFirstCharOfQuery(this.firstCharOfStmt);
}
if (oldCatalog != null) {
locallyScopedConn.setCatalog(oldCatalog);
}
if (rs != null) {
this.lastInsertId = rs.getUpdateID();
this.results = rs;
}
return ((rs != null) && rs.reallyResult());
}
}
/**
* JDBC 2.0 Submit a batch of commands to the database for execution. This
* method is optional.
*
* @return an array of update counts containing one element for each command
* in the batch. The array is ordered according to the order in
* which commands were inserted into the batch
*
* @exception SQLException
* if a database-access error occurs, or the driver does not
* support batch statements
* @throws java.sql.BatchUpdateException
* DOCUMENT ME!
*/
public int[] executeBatch() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (this.connection.isReadOnly()) {
throw new SQLException(Messages.getString("PreparedStatement.25") //$NON-NLS-1$
+ Messages.getString("PreparedStatement.26"), //$NON-NLS-1$
SQLError.SQL_STATE_ILLEGAL_ARGUMENT);
}
if (this.batchedArgs == null || this.batchedArgs.size() == 0) {
return new int[0];
}
// we timeout the entire batch, not individual statements
int batchTimeout = this.timeoutInMillis;
this.timeoutInMillis = 0;
resetCancelledState();
try {
statementBegins();
clearWarnings();
if (!this.batchHasPlainStatements
&& this.connection.getRewriteBatchedStatements()) {
if (canRewriteAsMultiValueInsertAtSqlLevel()) {
return executeBatchedInserts(batchTimeout);
}
if (this.connection.versionMeetsMinimum(4, 1, 0)
&& !this.batchHasPlainStatements
&& this.batchedArgs != null
&& this.batchedArgs.size() > 3 /* cost of option setting rt-wise */) {
return executePreparedBatchAsMultiStatement(batchTimeout);
}
}
return executeBatchSerially(batchTimeout);
} finally {
this.statementExecuting.set(false);
clearBatch();
}
}
}
public boolean canRewriteAsMultiValueInsertAtSqlLevel() throws SQLException {
return this.parseInfo.canRewriteAsMultiValueInsert;
}
protected int getLocationOfOnDuplicateKeyUpdate() throws SQLException {
return this.parseInfo.locationOfOnDuplicateKeyUpdate;
}
/**
* Rewrites the already prepared statement into a multi-statement
* query of 'statementsPerBatch' values and executes the entire batch
* using this new statement.
*
* @return update counts in the same fashion as executeBatch()
*
* @throws SQLException
*/
protected int[] executePreparedBatchAsMultiStatement(int batchTimeout) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
// This is kind of an abuse, but it gets the job done
if (this.batchedValuesClause == null) {
this.batchedValuesClause = this.originalSql + ";";
}
MySQLConnection locallyScopedConn = this.connection;
boolean multiQueriesEnabled = locallyScopedConn.getAllowMultiQueries();
CancelTask timeoutTask = null;
try {
clearWarnings();
int numBatchedArgs = this.batchedArgs.size();
if (this.retrieveGeneratedKeys) {
this.batchedGeneratedKeys = new ArrayList<ResultSetRow>(numBatchedArgs);
}
int numValuesPerBatch = computeBatchSize(numBatchedArgs);
if (numBatchedArgs < numValuesPerBatch) {
numValuesPerBatch = numBatchedArgs;
}
java.sql.PreparedStatement batchedStatement = null;
int batchedParamIndex = 1;
int numberToExecuteAsMultiValue = 0;
int batchCounter = 0;
int updateCountCounter = 0;
int[] updateCounts = new int[numBatchedArgs];
SQLException sqlEx = null;
try {
if (!multiQueriesEnabled) {
locallyScopedConn.getIO().enableMultiQueries();
}
if (this.retrieveGeneratedKeys) {
batchedStatement = locallyScopedConn.prepareStatement(
generateMultiStatementForBatch(numValuesPerBatch),
RETURN_GENERATED_KEYS);
} else {
batchedStatement = locallyScopedConn
.prepareStatement(generateMultiStatementForBatch(numValuesPerBatch));
}
if (locallyScopedConn.getEnableQueryTimeouts() &&
batchTimeout != 0
&& locallyScopedConn.versionMeetsMinimum(5, 0, 0)) {
timeoutTask = new CancelTask((StatementImpl)batchedStatement);
locallyScopedConn.getCancelTimer().schedule(timeoutTask,
batchTimeout);
}
if (numBatchedArgs < numValuesPerBatch) {
numberToExecuteAsMultiValue = numBatchedArgs;
} else {
numberToExecuteAsMultiValue = numBatchedArgs / numValuesPerBatch;
}
int numberArgsToExecute = numberToExecuteAsMultiValue * numValuesPerBatch;
for (int i = 0; i < numberArgsToExecute; i++) {
if (i != 0 && i % numValuesPerBatch == 0) {
try {
batchedStatement.execute();
} catch (SQLException ex) {
sqlEx = handleExceptionForBatch(batchCounter, numValuesPerBatch,
updateCounts, ex);
}
updateCountCounter = processMultiCountsAndKeys(
(StatementImpl)batchedStatement, updateCountCounter,
updateCounts);
batchedStatement.clearParameters();
batchedParamIndex = 1;
}
batchedParamIndex = setOneBatchedParameterSet(batchedStatement,
batchedParamIndex, this.batchedArgs
.get(batchCounter++));
}
try {
batchedStatement.execute();
} catch (SQLException ex) {
sqlEx = handleExceptionForBatch(batchCounter - 1, numValuesPerBatch,
updateCounts, ex);
}
updateCountCounter = processMultiCountsAndKeys(
(StatementImpl)batchedStatement, updateCountCounter,
updateCounts);
batchedStatement.clearParameters();
numValuesPerBatch = numBatchedArgs - batchCounter;
} finally {
if (batchedStatement != null) {
batchedStatement.close();
}
}
try {
if (numValuesPerBatch > 0) {
if (this.retrieveGeneratedKeys) {
batchedStatement = locallyScopedConn.prepareStatement(
generateMultiStatementForBatch(numValuesPerBatch),
RETURN_GENERATED_KEYS);
} else {
batchedStatement = locallyScopedConn.prepareStatement(
generateMultiStatementForBatch(numValuesPerBatch));
}
if (timeoutTask != null) {
timeoutTask.toCancel = (StatementImpl)batchedStatement;
}
batchedParamIndex = 1;
while (batchCounter < numBatchedArgs) {
batchedParamIndex = setOneBatchedParameterSet(batchedStatement,
batchedParamIndex, this.batchedArgs
.get(batchCounter++));
}
try {
batchedStatement.execute();
} catch (SQLException ex) {
sqlEx = handleExceptionForBatch(batchCounter - 1, numValuesPerBatch,
updateCounts, ex);
}
updateCountCounter = processMultiCountsAndKeys(
(StatementImpl)batchedStatement, updateCountCounter,
updateCounts);
batchedStatement.clearParameters();
}
if (timeoutTask != null) {
if (timeoutTask.caughtWhileCancelling != null) {
throw timeoutTask.caughtWhileCancelling;
}
timeoutTask.cancel();
locallyScopedConn.getCancelTimer().purge();
timeoutTask = null;
}
if (sqlEx != null) {
SQLException batchUpdateException = new java.sql.BatchUpdateException(sqlEx
.getMessage(), sqlEx.getSQLState(), sqlEx
.getErrorCode(), updateCounts);
batchUpdateException.initCause(sqlEx);
throw batchUpdateException;
}
return updateCounts;
} finally {
if (batchedStatement != null) {
batchedStatement.close();
}
}
} finally {
if (timeoutTask != null) {
timeoutTask.cancel();
locallyScopedConn.getCancelTimer().purge();
}
resetCancelledState();
if (!multiQueriesEnabled) {
locallyScopedConn.getIO().disableMultiQueries();
}
clearBatch();
}
}
}
private String generateMultiStatementForBatch(int numBatches) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
StringBuffer newStatementSql = new StringBuffer((this.originalSql
.length() + 1) * numBatches);
newStatementSql.append(this.originalSql);
for (int i = 0; i < numBatches - 1; i++) {
newStatementSql.append(';');
newStatementSql.append(this.originalSql);
}
return newStatementSql.toString();
}
}
/**
* Rewrites the already prepared statement into a multi-value insert
* statement of 'statementsPerBatch' values and executes the entire batch
* using this new statement.
*
* @return update counts in the same fashion as executeBatch()
*
* @throws SQLException
*/
protected int[] executeBatchedInserts(int batchTimeout) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
String valuesClause = getValuesClause();
MySQLConnection locallyScopedConn = this.connection;
if (valuesClause == null) {
return executeBatchSerially(batchTimeout);
}
int numBatchedArgs = this.batchedArgs.size();
if (this.retrieveGeneratedKeys) {
this.batchedGeneratedKeys = new ArrayList<ResultSetRow>(numBatchedArgs);
}
int numValuesPerBatch = computeBatchSize(numBatchedArgs);
if (numBatchedArgs < numValuesPerBatch) {
numValuesPerBatch = numBatchedArgs;
}
java.sql.PreparedStatement batchedStatement = null;
int batchedParamIndex = 1;
int updateCountRunningTotal = 0;
int numberToExecuteAsMultiValue = 0;
int batchCounter = 0;
CancelTask timeoutTask = null;
SQLException sqlEx = null;
int[] updateCounts = new int[numBatchedArgs];
for (int i = 0; i < this.batchedArgs.size(); i++) {
updateCounts[i] = 1;
}
try {
try {
batchedStatement = /* FIXME -if we ever care about folks proxying our MySQLConnection */
prepareBatchedInsertSQL(locallyScopedConn, numValuesPerBatch);
if (locallyScopedConn.getEnableQueryTimeouts()
&& batchTimeout != 0
&& locallyScopedConn.versionMeetsMinimum(5, 0, 0)) {
timeoutTask = new CancelTask(
(StatementImpl) batchedStatement);
locallyScopedConn.getCancelTimer().schedule(timeoutTask,
batchTimeout);
}
if (numBatchedArgs < numValuesPerBatch) {
numberToExecuteAsMultiValue = numBatchedArgs;
} else {
numberToExecuteAsMultiValue = numBatchedArgs
/ numValuesPerBatch;
}
int numberArgsToExecute = numberToExecuteAsMultiValue
* numValuesPerBatch;
for (int i = 0; i < numberArgsToExecute; i++) {
if (i != 0 && i % numValuesPerBatch == 0) {
try {
updateCountRunningTotal += batchedStatement
.executeUpdate();
} catch (SQLException ex) {
sqlEx = handleExceptionForBatch(batchCounter - 1,
numValuesPerBatch, updateCounts, ex);
}
getBatchedGeneratedKeys(batchedStatement);
batchedStatement.clearParameters();
batchedParamIndex = 1;
}
batchedParamIndex = setOneBatchedParameterSet(
batchedStatement, batchedParamIndex,
this.batchedArgs.get(batchCounter++));
}
try {
//updateCountRunningTotal +=
batchedStatement.executeUpdate();
} catch (SQLException ex) {
sqlEx = handleExceptionForBatch(batchCounter - 1,
numValuesPerBatch, updateCounts, ex);
}
getBatchedGeneratedKeys(batchedStatement);
numValuesPerBatch = numBatchedArgs - batchCounter;
} finally {
if (batchedStatement != null) {
batchedStatement.close();
}
}
try {
if (numValuesPerBatch > 0) {
batchedStatement =
prepareBatchedInsertSQL(locallyScopedConn,
numValuesPerBatch);
if (timeoutTask != null) {
timeoutTask.toCancel = (StatementImpl) batchedStatement;
}
batchedParamIndex = 1;
while (batchCounter < numBatchedArgs) {
batchedParamIndex = setOneBatchedParameterSet(
batchedStatement, batchedParamIndex,
this.batchedArgs.get(batchCounter++));
}
try {
updateCountRunningTotal += batchedStatement.executeUpdate();
} catch (SQLException ex) {
sqlEx = handleExceptionForBatch(batchCounter - 1,
numValuesPerBatch, updateCounts, ex);
}
getBatchedGeneratedKeys(batchedStatement);
}
if (sqlEx != null) {
SQLException batchUpdateException = new java.sql.BatchUpdateException(sqlEx
.getMessage(), sqlEx.getSQLState(), sqlEx
.getErrorCode(), updateCounts);
batchUpdateException.initCause(sqlEx);
throw batchUpdateException;
}
return updateCounts;
} finally {
if (batchedStatement != null) {
batchedStatement.close();
}
}
} finally {
if (timeoutTask != null) {
timeoutTask.cancel();
locallyScopedConn.getCancelTimer().purge();
}
resetCancelledState();
}
}
}
protected String getValuesClause() throws SQLException {
return this.parseInfo.valuesClause;
}
/**
* Computes the optimum number of batched parameter lists to send
* without overflowing max_allowed_packet.
*
* @param numBatchedArgs
* @return
* @throws SQLException
*/
protected int computeBatchSize(int numBatchedArgs) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
long[] combinedValues = computeMaxParameterSetSizeAndBatchSize(numBatchedArgs);
long maxSizeOfParameterSet = combinedValues[0];
long sizeOfEntireBatch = combinedValues[1];
int maxAllowedPacket = this.connection.getMaxAllowedPacket();
if (sizeOfEntireBatch < maxAllowedPacket - this.originalSql.length()) {
return numBatchedArgs;
}
return (int)Math.max(1, (maxAllowedPacket - this.originalSql.length()) / maxSizeOfParameterSet);
}
}
/**
* Computes the maximum parameter set size, and entire batch size given
* the number of arguments in the batch.
* @throws SQLException
*/
protected long[] computeMaxParameterSetSizeAndBatchSize(int numBatchedArgs) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
long sizeOfEntireBatch = 0;
long maxSizeOfParameterSet = 0;
for (int i = 0; i < numBatchedArgs; i++) {
BatchParams paramArg = (BatchParams) this.batchedArgs
.get(i);
boolean[] isNullBatch = paramArg.isNull;
boolean[] isStreamBatch = paramArg.isStream;
long sizeOfParameterSet = 0;
for (int j = 0; j < isNullBatch.length; j++) {
if (!isNullBatch[j]) {
if (isStreamBatch[j]) {
int streamLength = paramArg.streamLengths[j];
if (streamLength != -1) {
sizeOfParameterSet += streamLength * 2; // for safety in escaping
} else {
int paramLength = paramArg.parameterStrings[j].length;
sizeOfParameterSet += paramLength;
}
} else {
sizeOfParameterSet += paramArg.parameterStrings[j].length;
}
} else {
sizeOfParameterSet += 4; // for NULL literal in SQL
}
}
//
// Account for static part of values clause
// This is a little naiive, because the ?s will be replaced
// but it gives us some padding, and is less housekeeping
// to ignore them. We're looking for a "fuzzy" value here
// anyway
//
if (getValuesClause() != null) {
sizeOfParameterSet += getValuesClause().length() + 1;
} else {
sizeOfParameterSet += this.originalSql.length() + 1;
}
sizeOfEntireBatch += sizeOfParameterSet;
if (sizeOfParameterSet > maxSizeOfParameterSet) {
maxSizeOfParameterSet = sizeOfParameterSet;
}
}
return new long[] {maxSizeOfParameterSet, sizeOfEntireBatch};
}
}
/**
* Executes the current batch of statements by executing them one-by-one.
*
* @return a list of update counts
* @throws SQLException
* if an error occurs
*/
protected int[] executeBatchSerially(int batchTimeout) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
MySQLConnection locallyScopedConn = this.connection;
if (locallyScopedConn == null) {
checkClosed();
}
int[] updateCounts = null;
if (this.batchedArgs != null) {
int nbrCommands = this.batchedArgs.size();
updateCounts = new int[nbrCommands];
for (int i = 0; i < nbrCommands; i++) {
updateCounts[i] = -3;
}
SQLException sqlEx = null;
CancelTask timeoutTask = null;
try {
if (locallyScopedConn.getEnableQueryTimeouts() &&
batchTimeout != 0
&& locallyScopedConn.versionMeetsMinimum(5, 0, 0)) {
timeoutTask = new CancelTask(this);
locallyScopedConn.getCancelTimer().schedule(timeoutTask,
batchTimeout);
}
if (this.retrieveGeneratedKeys) {
this.batchedGeneratedKeys = new ArrayList<ResultSetRow>(nbrCommands);
}
for (batchCommandIndex = 0; batchCommandIndex < nbrCommands; batchCommandIndex++) {
Object arg = this.batchedArgs.get(batchCommandIndex);
if (arg instanceof String) {
updateCounts[batchCommandIndex] = executeUpdate((String) arg);
} else {
BatchParams paramArg = (BatchParams) arg;
try {
updateCounts[batchCommandIndex] = executeUpdate(
paramArg.parameterStrings,
paramArg.parameterStreams, paramArg.isStream,
paramArg.streamLengths, paramArg.isNull, true);
if (this.retrieveGeneratedKeys) {
java.sql.ResultSet rs = null;
try {
if (containsOnDuplicateKeyUpdateInSQL())
rs = getGeneratedKeysInternal(1);
else
rs = getGeneratedKeysInternal();
while (rs.next()) {
this.batchedGeneratedKeys
.add(new ByteArrayRow(new byte[][] { rs.getBytes(1) }, getExceptionInterceptor()));
}
} finally {
if (rs != null) {
rs.close();
}
}
}
} catch (SQLException ex) {
updateCounts[batchCommandIndex] = EXECUTE_FAILED;
if (this.continueBatchOnError &&
!(ex instanceof MySQLTimeoutException) &&
!(ex instanceof MySQLStatementCancelledException) &&
!hasDeadlockOrTimeoutRolledBackTx(ex)) {
sqlEx = ex;
} else {
int[] newUpdateCounts = new int[batchCommandIndex];
System.arraycopy(updateCounts, 0,
newUpdateCounts, 0, batchCommandIndex);
SQLException batchUpdateException = new java.sql.BatchUpdateException(ex
.getMessage(), ex.getSQLState(), ex
.getErrorCode(), newUpdateCounts);
batchUpdateException.initCause(ex);
throw batchUpdateException;
}
}
}
}
if (sqlEx != null) {
SQLException batchUpdateException = new java.sql.BatchUpdateException(sqlEx.getMessage(),
sqlEx.getSQLState(), sqlEx.getErrorCode(), updateCounts);
batchUpdateException.initCause(sqlEx);
throw batchUpdateException;
}
} catch (NullPointerException npe) {
try {
checkClosed();
} catch (SQLException connectionClosedEx) {
updateCounts[batchCommandIndex] = EXECUTE_FAILED;
int[] newUpdateCounts = new int[batchCommandIndex];
System.arraycopy(updateCounts, 0,
newUpdateCounts, 0, batchCommandIndex);
throw new java.sql.BatchUpdateException(connectionClosedEx
.getMessage(), connectionClosedEx.getSQLState(), connectionClosedEx
.getErrorCode(), newUpdateCounts);
}
throw npe; // we don't know why this happened, punt
} finally {
batchCommandIndex = -1;
if (timeoutTask != null) {
timeoutTask.cancel();
locallyScopedConn.getCancelTimer().purge();
}
resetCancelledState();
}
}
return (updateCounts != null) ? updateCounts : new int[0];
}
}
public String getDateTime(String pattern){
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
return sdf.format(new java.util.Date());
}
/**
* Actually execute the prepared statement. This is here so server-side
* PreparedStatements can re-use most of the code from this class.
*
* @param maxRowsToRetrieve
* the max number of rows to return
* @param sendPacket
* the packet to send
* @param createStreamingResultSet
* should a 'streaming' result set be created?
* @param queryIsSelectOnly
* is this query doing a SELECT?
* @param unpackFields
* DOCUMENT ME!
*
* @return the results as a ResultSet
*
* @throws SQLException
* if an error occurs.
*/
protected ResultSetInternalMethods executeInternal(int maxRowsToRetrieve,
Buffer sendPacket, boolean createStreamingResultSet,
boolean queryIsSelectOnly, Field[] metadataFromCache,
boolean isBatch)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
try {
resetCancelledState();
MySQLConnection locallyScopedConnection = this.connection;
this.numberOfExecutions++;
if (this.doPingInstead) {
doPingInstead();
return this.results;
}
ResultSetInternalMethods rs;
CancelTask timeoutTask = null;
try {
if (locallyScopedConnection.getEnableQueryTimeouts() &&
this.timeoutInMillis != 0
&& locallyScopedConnection.versionMeetsMinimum(5, 0, 0)) {
timeoutTask = new CancelTask(this);
locallyScopedConnection.getCancelTimer().schedule(timeoutTask,
this.timeoutInMillis);
}
if (!isBatch) {
statementBegins();
}
rs = locallyScopedConnection.execSQL(this, null, maxRowsToRetrieve, sendPacket,
this.resultSetType, this.resultSetConcurrency,
createStreamingResultSet, this.currentCatalog,
metadataFromCache, isBatch);
if (timeoutTask != null) {
timeoutTask.cancel();
locallyScopedConnection.getCancelTimer().purge();
if (timeoutTask.caughtWhileCancelling != null) {
throw timeoutTask.caughtWhileCancelling;
}
timeoutTask = null;
}
synchronized (this.cancelTimeoutMutex) {
if (this.wasCancelled) {
SQLException cause = null;
if (this.wasCancelledByTimeout) {
cause = new MySQLTimeoutException();
} else {
cause = new MySQLStatementCancelledException();
}
resetCancelledState();
throw cause;
}
}
} finally {
if (!isBatch) {
this.statementExecuting.set(false);
}
if (timeoutTask != null) {
timeoutTask.cancel();
locallyScopedConnection.getCancelTimer().purge();
}
}
return rs;
} catch (NullPointerException npe) {
checkClosed(); // we can't synchronize ourselves against async connection-close
// due to deadlock issues, so this is the next best thing for
// this particular corner case.
throw npe;
}
}
}
/**
* A Prepared SQL query is executed and its ResultSet is returned
*
* @return a ResultSet that contains the data produced by the query - never
* null
*
* @exception SQLException
* if a database access error occurs
*/
public java.sql.ResultSet executeQuery() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
MySQLConnection locallyScopedConn = this.connection;
checkForDml(this.originalSql, this.firstCharOfStmt);
CachedResultSetMetaData cachedMetadata = null;
clearWarnings();
boolean doStreaming = createStreamingResultSet();
this.batchedGeneratedKeys = null;
// Adjust net_write_timeout to a higher value if we're
// streaming result sets. More often than not, someone runs into
// an issue where they blow net_write_timeout when using this
// feature, and if they're willing to hold a result set open
// for 30 seconds or more, one more round-trip isn't going to hurt
//
// This is reset by RowDataDynamic.close().
if (doStreaming
&& this.connection.getNetTimeoutForStreamingResults() > 0) {
java.sql.Statement stmt = null;
try {
stmt = this.connection.createStatement();
((com.mysql.jdbc.StatementImpl)stmt).executeSimpleNonQuery(this.connection, "SET net_write_timeout="
+ this.connection.getNetTimeoutForStreamingResults());
} finally {
if (stmt != null) {
stmt.close();
}
}
}
Buffer sendPacket = fillSendPacket();
if (!this.connection.getHoldResultsOpenOverStatementClose()) {
if (!this.holdResultsOpenOverClose) {
if (this.results != null) {
this.results.realClose(false);
}
if (this.generatedKeysResults != null) {
this.generatedKeysResults.realClose(false);
}
closeAllOpenResults();
}
}
String oldCatalog = null;
if (!locallyScopedConn.getCatalog().equals(this.currentCatalog)) {
oldCatalog = locallyScopedConn.getCatalog();
locallyScopedConn.setCatalog(this.currentCatalog);
}
//
// Check if we have cached metadata for this query...
//
if (locallyScopedConn.getCacheResultSetMetadata()) {
cachedMetadata = locallyScopedConn.getCachedMetaData(this.originalSql);
}
Field[] metadataFromCache = null;
if (cachedMetadata != null) {
metadataFromCache = cachedMetadata.fields;
}
if (locallyScopedConn.useMaxRows()) {
// If there isn't a limit clause in the SQL
// then limit the number of rows to return in
// an efficient manner. Only do this if
// setMaxRows() hasn't been used on any Statements
// generated from the current Connection (saves
// a query, and network traffic).
if (this.hasLimitClause) {
this.results = executeInternal(this.maxRows, sendPacket,
createStreamingResultSet(), true,
metadataFromCache, false);
} else {
if (this.maxRows <= 0) {
executeSimpleNonQuery(locallyScopedConn,
"SET SQL_SELECT_LIMIT=DEFAULT");
} else {
executeSimpleNonQuery(locallyScopedConn,
"SET SQL_SELECT_LIMIT=" + this.maxRows);
}
this.results = executeInternal(-1, sendPacket,
doStreaming, true,
metadataFromCache, false);
if (oldCatalog != null) {
this.connection.setCatalog(oldCatalog);
}
}
} else {
this.results = executeInternal(-1, sendPacket,
doStreaming, true,
metadataFromCache, false);
}
if (oldCatalog != null) {
locallyScopedConn.setCatalog(oldCatalog);
}
if (cachedMetadata != null) {
locallyScopedConn.initializeResultsMetadataFromCache(this.originalSql,
cachedMetadata, this.results);
} else {
if (locallyScopedConn.getCacheResultSetMetadata()) {
locallyScopedConn.initializeResultsMetadataFromCache(this.originalSql,
null /* will be created */, this.results);
}
}
this.lastInsertId = this.results.getUpdateID();
return this.results;
}
}
/**
* Execute a SQL INSERT, UPDATE or DELETE statement. In addition, SQL
* statements that return nothing such as SQL DDL statements can be
* executed.
*
* @return either the row count for INSERT, UPDATE or DELETE; or 0 for SQL
* statements that return nothing.
*
* @exception SQLException
* if a database access error occurs
*/
public int executeUpdate() throws SQLException {
return executeUpdate(true, false);
}
/*
* We need this variant, because ServerPreparedStatement calls this for
* batched updates, which will end up clobbering the warnings and generated
* keys we need to gather for the batch.
*/
protected int executeUpdate(
boolean clearBatchedGeneratedKeysAndWarnings, boolean isBatch) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (clearBatchedGeneratedKeysAndWarnings) {
clearWarnings();
this.batchedGeneratedKeys = null;
}
return executeUpdate(this.parameterValues, this.parameterStreams,
this.isStream, this.streamLengths, this.isNull, isBatch);
}
}
/**
* Added to allow batch-updates
*
* @param batchedParameterStrings
* string values used in single statement
* @param batchedParameterStreams
* stream values used in single statement
* @param batchedIsStream
* flags for streams used in single statement
* @param batchedStreamLengths
* lengths of streams to be read.
* @param batchedIsNull
* flags for parameters that are null
*
* @return the update count
*
* @throws SQLException
* if a database error occurs
*/
protected int executeUpdate(byte[][] batchedParameterStrings,
InputStream[] batchedParameterStreams, boolean[] batchedIsStream,
int[] batchedStreamLengths, boolean[] batchedIsNull, boolean isReallyBatch)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
MySQLConnection locallyScopedConn = this.connection;
if (locallyScopedConn.isReadOnly()) {
throw SQLError.createSQLException(Messages.getString("PreparedStatement.34") //$NON-NLS-1$
+ Messages.getString("PreparedStatement.35"), //$NON-NLS-1$
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
if ((this.firstCharOfStmt == 'S')
&& isSelectQuery()) { //$NON-NLS-1$
throw SQLError.createSQLException(Messages.getString("PreparedStatement.37"), //$NON-NLS-1$
"01S03", getExceptionInterceptor()); //$NON-NLS-1$
}
if (!locallyScopedConn.getHoldResultsOpenOverStatementClose()) {
if (this.results != null) {
this.results.realClose(false);
}
if (this.generatedKeysResults != null) {
this.generatedKeysResults.realClose(false);
}
closeAllOpenResults();
}
ResultSetInternalMethods rs = null;
Buffer sendPacket = fillSendPacket(batchedParameterStrings,
batchedParameterStreams, batchedIsStream,
batchedStreamLengths);
String oldCatalog = null;
if (!locallyScopedConn.getCatalog().equals(this.currentCatalog)) {
oldCatalog = locallyScopedConn.getCatalog();
locallyScopedConn.setCatalog(this.currentCatalog);
}
//
// Only apply max_rows to selects
//
if (locallyScopedConn.useMaxRows()) {
executeSimpleNonQuery(locallyScopedConn,
"SET SQL_SELECT_LIMIT=DEFAULT");
}
boolean oldInfoMsgState = false;
if (this.retrieveGeneratedKeys) {
oldInfoMsgState = locallyScopedConn.isReadInfoMsgEnabled();
locallyScopedConn.setReadInfoMsgEnabled(true);
}
rs = executeInternal(-1, sendPacket, false, false, null,
isReallyBatch);
if (this.retrieveGeneratedKeys) {
locallyScopedConn.setReadInfoMsgEnabled(oldInfoMsgState);
rs.setFirstCharOfQuery(this.firstCharOfStmt);
}
if (oldCatalog != null) {
locallyScopedConn.setCatalog(oldCatalog);
}
this.results = rs;
this.updateCount = rs.getUpdateCount();
if (containsOnDuplicateKeyUpdateInSQL() &&
this.compensateForOnDuplicateKeyUpdate) {
if (this.updateCount == 2 || this.updateCount == 0) {
this.updateCount = 1;
}
}
int truncatedUpdateCount = 0;
if (this.updateCount > Integer.MAX_VALUE) {
truncatedUpdateCount = Integer.MAX_VALUE;
} else {
truncatedUpdateCount = (int) this.updateCount;
}
this.lastInsertId = rs.getUpdateID();
return truncatedUpdateCount;
}
}
protected boolean containsOnDuplicateKeyUpdateInSQL() {
return this.parseInfo.isOnDuplicateKeyUpdate;
}
/**
* Creates the packet that contains the query to be sent to the server.
*
* @return A Buffer filled with the query representing the
* PreparedStatement.
*
* @throws SQLException
* if an error occurs.
*/
protected Buffer fillSendPacket() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
return fillSendPacket(this.parameterValues, this.parameterStreams,
this.isStream, this.streamLengths);
}
}
/**
* Creates the packet that contains the query to be sent to the server.
*
* @param batchedParameterStrings
* the parameters as strings
* @param batchedParameterStreams
* the parameters as streams
* @param batchedIsStream
* is the given parameter a stream?
* @param batchedStreamLengths
* the lengths of the streams (if appropriate)
*
* @return a Buffer filled with the query that represents this statement
*
* @throws SQLException
* if an error occurs.
*/
protected Buffer fillSendPacket(byte[][] batchedParameterStrings,
InputStream[] batchedParameterStreams, boolean[] batchedIsStream,
int[] batchedStreamLengths) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
Buffer sendPacket = this.connection.getIO().getSharedSendPacket();
sendPacket.clear();
sendPacket.writeByte((byte) MysqlDefs.QUERY);
boolean useStreamLengths = this.connection
.getUseStreamLengthsInPrepStmts();
//
// Try and get this allocation as close as possible
// for BLOBs
//
int ensurePacketSize = 0;
String statementComment = this.connection.getStatementComment();
byte[] commentAsBytes = null;
if (statementComment != null) {
if (this.charConverter != null) {
commentAsBytes = this.charConverter.toBytes(statementComment);
} else {
commentAsBytes = StringUtils.getBytes(statementComment, this.charConverter,
this.charEncoding, this.connection
.getServerCharacterEncoding(), this.connection
.parserKnowsUnicode(), getExceptionInterceptor());
}
ensurePacketSize += commentAsBytes.length;
ensurePacketSize += 6; // for /*[space] [space]*/
}
for (int i = 0; i < batchedParameterStrings.length; i++) {
if (batchedIsStream[i] && useStreamLengths) {
ensurePacketSize += batchedStreamLengths[i];
}
}
if (ensurePacketSize != 0) {
sendPacket.ensureCapacity(ensurePacketSize);
}
if (commentAsBytes != null) {
sendPacket.writeBytesNoNull(Constants.SLASH_STAR_SPACE_AS_BYTES);
sendPacket.writeBytesNoNull(commentAsBytes);
sendPacket.writeBytesNoNull(Constants.SPACE_STAR_SLASH_SPACE_AS_BYTES);
}
for (int i = 0; i < batchedParameterStrings.length; i++) {
checkAllParametersSet(batchedParameterStrings[i],
batchedParameterStreams[i], i);
sendPacket.writeBytesNoNull(this.staticSqlStrings[i]);
if (batchedIsStream[i]) {
streamToBytes(sendPacket, batchedParameterStreams[i], true,
batchedStreamLengths[i], useStreamLengths);
} else {
sendPacket.writeBytesNoNull(batchedParameterStrings[i]);
}
}
sendPacket
.writeBytesNoNull(this.staticSqlStrings[batchedParameterStrings.length]);
return sendPacket;
}
}
private void checkAllParametersSet(byte[] parameterString,
InputStream parameterStream, int columnIndex) throws SQLException {
if ((parameterString == null)
&& parameterStream == null) {
throw SQLError.createSQLException(Messages
.getString("PreparedStatement.40") //$NON-NLS-1$
+ (columnIndex + 1), SQLError.SQL_STATE_WRONG_NO_OF_PARAMETERS, getExceptionInterceptor());
}
}
/**
* Returns a prepared statement for the number of batched parameters, used when re-writing batch INSERTs.
*/
protected PreparedStatement prepareBatchedInsertSQL(MySQLConnection localConn, int numBatches) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
PreparedStatement pstmt = new PreparedStatement(localConn, "Rewritten batch of: " + this.originalSql, this.currentCatalog, this.parseInfo.getParseInfoForBatch(numBatches));
pstmt.setRetrieveGeneratedKeys(this.retrieveGeneratedKeys);
pstmt.rewrittenBatchSize = numBatches;
return pstmt;
}
}
protected void setRetrieveGeneratedKeys(boolean flag) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
this.retrieveGeneratedKeys = flag;
}
}
protected int rewrittenBatchSize = 0;
public int getRewrittenBatchSize() {
return this.rewrittenBatchSize;
}
public String getNonRewrittenSql() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
int indexOfBatch = this.originalSql.indexOf(" of: ");
if (indexOfBatch != -1) {
return this.originalSql.substring(indexOfBatch + 5);
}
return this.originalSql;
}
}
/**
* DOCUMENT ME!
*
* @param parameterIndex
* DOCUMENT ME!
*
* @return DOCUMENT ME!
*
* @throws SQLException
* DOCUMENT ME!
*/
public byte[] getBytesRepresentation(int parameterIndex)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (this.isStream[parameterIndex]) {
return streamToBytes(this.parameterStreams[parameterIndex], false,
this.streamLengths[parameterIndex], this.connection
.getUseStreamLengthsInPrepStmts());
}
byte[] parameterVal = this.parameterValues[parameterIndex];
if (parameterVal == null) {
return null;
}
if ((parameterVal[0] == '\'')
&& (parameterVal[parameterVal.length - 1] == '\'')) {
byte[] valNoQuotes = new byte[parameterVal.length - 2];
System.arraycopy(parameterVal, 1, valNoQuotes, 0,
parameterVal.length - 2);
return valNoQuotes;
}
return parameterVal;
}
}
/**
* Get bytes representation for a parameter in a statement batch.
* @param parameterIndex
* @param commandIndex
* @return
* @throws SQLException
*/
protected byte[] getBytesRepresentationForBatch(int parameterIndex, int commandIndex)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
Object batchedArg = batchedArgs.get(commandIndex);
if (batchedArg instanceof String) {
try {
return (StringUtils.getBytes((String)batchedArg, charEncoding));
} catch (UnsupportedEncodingException uue) {
throw new RuntimeException(Messages
.getString("PreparedStatement.32") //$NON-NLS-1$
+ this.charEncoding
+ Messages.getString("PreparedStatement.33")); //$NON-NLS-1$
}
}
BatchParams params = (BatchParams)batchedArg;
if (params.isStream[parameterIndex])
return streamToBytes(params.parameterStreams[parameterIndex], false,
params.streamLengths[parameterIndex],
connection.getUseStreamLengthsInPrepStmts());
byte parameterVal[] = params.parameterStrings[parameterIndex];
if (parameterVal == null)
return null;
if ((parameterVal[0] == '\'')
&& (parameterVal[parameterVal.length - 1] == '\'')) {
byte[] valNoQuotes = new byte[parameterVal.length - 2];
System.arraycopy(parameterVal, 1, valNoQuotes, 0,
parameterVal.length - 2);
return valNoQuotes;
}
return parameterVal;
}
}
// --------------------------JDBC 2.0-----------------------------
private final String getDateTimePattern(String dt, boolean toTime)
throws Exception {
//
// Special case
//
int dtLength = (dt != null) ? dt.length() : 0;
if ((dtLength >= 8) && (dtLength <= 10)) {
int dashCount = 0;
boolean isDateOnly = true;
for (int i = 0; i < dtLength; i++) {
char c = dt.charAt(i);
if (!Character.isDigit(c) && (c != '-')) {
isDateOnly = false;
break;
}
if (c == '-') {
dashCount++;
}
}
if (isDateOnly && (dashCount == 2)) {
return "yyyy-MM-dd"; //$NON-NLS-1$
}
}
//
// Special case - time-only
//
boolean colonsOnly = true;
for (int i = 0; i < dtLength; i++) {
char c = dt.charAt(i);
if (!Character.isDigit(c) && (c != ':')) {
colonsOnly = false;
break;
}
}
if (colonsOnly) {
return "HH:mm:ss"; //$NON-NLS-1$
}
int n;
int z;
int count;
int maxvecs;
char c;
char separator;
StringReader reader = new StringReader(dt + " "); //$NON-NLS-1$
ArrayList<Object[]> vec = new ArrayList<Object[]>();
ArrayList<Object[]> vecRemovelist = new ArrayList<Object[]>();
Object[] nv = new Object[3];
Object[] v;
nv[0] = Character.valueOf('y');
nv[1] = new StringBuffer();
nv[2] = Integer.valueOf(0);
vec.add(nv);
if (toTime) {
nv = new Object[3];
nv[0] = Character.valueOf('h');
nv[1] = new StringBuffer();
nv[2] = Integer.valueOf(0);
vec.add(nv);
}
while ((z = reader.read()) != -1) {
separator = (char) z;
maxvecs = vec.size();
for (count = 0; count < maxvecs; count++) {
v = vec.get(count);
n = ((Integer) v[2]).intValue();
c = getSuccessor(((Character) v[0]).charValue(), n);
if (!Character.isLetterOrDigit(separator)) {
if ((c == ((Character) v[0]).charValue()) && (c != 'S')) {
vecRemovelist.add(v);
} else {
((StringBuffer) v[1]).append(separator);
if ((c == 'X') || (c == 'Y')) {
v[2] = Integer.valueOf(4);
}
}
} else {
if (c == 'X') {
c = 'y';
nv = new Object[3];
nv[1] = (new StringBuffer(((StringBuffer) v[1])
.toString())).append('M');
nv[0] = Character.valueOf('M');
nv[2] = Integer.valueOf(1);
vec.add(nv);
} else if (c == 'Y') {
c = 'M';
nv = new Object[3];
nv[1] = (new StringBuffer(((StringBuffer) v[1])
.toString())).append('d');
nv[0] = Character.valueOf('d');
nv[2] = Integer.valueOf(1);
vec.add(nv);
}
((StringBuffer) v[1]).append(c);
if (c == ((Character) v[0]).charValue()) {
v[2] = Integer.valueOf(n + 1);
} else {
v[0] = Character.valueOf(c);
v[2] = Integer.valueOf(1);
}
}
}
int size = vecRemovelist.size();
for (int i = 0; i < size; i++) {
v = vecRemovelist.get(i);
vec.remove(v);
}
vecRemovelist.clear();
}
int size = vec.size();
for (int i = 0; i < size; i++) {
v = vec.get(i);
c = ((Character) v[0]).charValue();
n = ((Integer) v[2]).intValue();
boolean bk = getSuccessor(c, n) != c;
boolean atEnd = (((c == 's') || (c == 'm') || ((c == 'h') && toTime)) && bk);
boolean finishesAtDate = (bk && (c == 'd') && !toTime);
boolean containsEnd = (((StringBuffer) v[1]).toString()
.indexOf('W') != -1);
if ((!atEnd && !finishesAtDate) || (containsEnd)) {
vecRemovelist.add(v);
}
}
size = vecRemovelist.size();
for (int i = 0; i < size; i++) {
vec.remove(vecRemovelist.get(i));
}
vecRemovelist.clear();
v = vec.get(0); // might throw exception
StringBuffer format = (StringBuffer) v[1];
format.setLength(format.length() - 1);
return format.toString();
}
/**
* The number, types and properties of a ResultSet's columns are provided by
* the getMetaData method.
*
* @return the description of a ResultSet's columns
*
* @exception SQLException
* if a database-access error occurs.
*/
public java.sql.ResultSetMetaData getMetaData()
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
//
// We could just tack on a LIMIT 0 here no matter what the
// statement, and check if a result set was returned or not,
// but I'm not comfortable with that, myself, so we take
// the "safer" road, and only allow metadata for _actual_
// SELECTS (but not SHOWs).
//
// CALL's are trapped further up and you end up with a
// CallableStatement anyway.
//
if (!isSelectQuery()) {
return null;
}
PreparedStatement mdStmt = null;
java.sql.ResultSet mdRs = null;
if (this.pstmtResultMetaData == null) {
try {
mdStmt = new PreparedStatement(this.connection,
this.originalSql, this.currentCatalog, this.parseInfo);
mdStmt.setMaxRows(1);
int paramCount = this.parameterValues.length;
for (int i = 1; i <= paramCount; i++) {
mdStmt.setString(i, ""); //$NON-NLS-1$
}
boolean hadResults = mdStmt.execute();
if (hadResults) {
mdRs = mdStmt.getResultSet();
this.pstmtResultMetaData = mdRs.getMetaData();
} else {
this.pstmtResultMetaData = new ResultSetMetaData(
new Field[0],
this.connection.getUseOldAliasMetadataBehavior(), getExceptionInterceptor());
}
} finally {
SQLException sqlExRethrow = null;
if (mdRs != null) {
try {
mdRs.close();
} catch (SQLException sqlEx) {
sqlExRethrow = sqlEx;
}
mdRs = null;
}
if (mdStmt != null) {
try {
mdStmt.close();
} catch (SQLException sqlEx) {
sqlExRethrow = sqlEx;
}
mdStmt = null;
}
if (sqlExRethrow != null) {
throw sqlExRethrow;
}
}
}
return this.pstmtResultMetaData;
}
}
protected boolean isSelectQuery() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
return StringUtils.startsWithIgnoreCaseAndWs(
StringUtils.stripComments(this.originalSql,
"'\"", "'\"", true, false, true, true),
"SELECT");
}
}
/**
* @see PreparedStatement#getParameterMetaData()
*/
public ParameterMetaData getParameterMetaData()
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (this.parameterMetaData == null) {
if (this.connection.getGenerateSimpleParameterMetadata()) {
this.parameterMetaData = new MysqlParameterMetadata(this.parameterCount);
} else {
this.parameterMetaData = new MysqlParameterMetadata(
null, this.parameterCount, getExceptionInterceptor());
}
}
return this.parameterMetaData;
}
}
ParseInfo getParseInfo() {
return this.parseInfo;
}
private final char getSuccessor(char c, int n) {
return ((c == 'y') && (n == 2)) ? 'X'
: (((c == 'y') && (n < 4)) ? 'y'
: ((c == 'y') ? 'M'
: (((c == 'M') && (n == 2)) ? 'Y'
: (((c == 'M') && (n < 3)) ? 'M'
: ((c == 'M') ? 'd'
: (((c == 'd') && (n < 2)) ? 'd'
: ((c == 'd') ? 'H'
: (((c == 'H') && (n < 2)) ? 'H'
: ((c == 'H') ? 'm'
: (((c == 'm') && (n < 2)) ? 'm'
: ((c == 'm') ? 's'
: (((c == 's') && (n < 2)) ? 's'
: 'W'))))))))))));
}
/**
* Used to escape binary data with hex for mb charsets
*
* @param buf
* @param packet
* @param size
* @throws SQLException
*/
private final void hexEscapeBlock(byte[] buf, Buffer packet, int size)
throws SQLException {
for (int i = 0; i < size; i++) {
byte b = buf[i];
int lowBits = (b & 0xff) / 16;
int highBits = (b & 0xff) % 16;
packet.writeByte(HEX_DIGITS[lowBits]);
packet.writeByte(HEX_DIGITS[highBits]);
}
}
private void initializeFromParseInfo() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
this.staticSqlStrings = this.parseInfo.staticSql;
this.hasLimitClause = this.parseInfo.foundLimitClause;
this.isLoadDataQuery = this.parseInfo.foundLoadData;
this.firstCharOfStmt = this.parseInfo.firstStmtChar;
this.parameterCount = this.staticSqlStrings.length - 1;
this.parameterValues = new byte[this.parameterCount][];
this.parameterStreams = new InputStream[this.parameterCount];
this.isStream = new boolean[this.parameterCount];
this.streamLengths = new int[this.parameterCount];
this.isNull = new boolean[this.parameterCount];
this.parameterTypes = new int[this.parameterCount];
clearParameters();
for (int j = 0; j < this.parameterCount; j++) {
this.isStream[j] = false;
}
}
}
boolean isNull(int paramIndex) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
return this.isNull[paramIndex];
}
}
private final int readblock(InputStream i, byte[] b) throws SQLException {
try {
return i.read(b);
} catch (Throwable ex) {
SQLException sqlEx = SQLError.createSQLException(Messages.getString("PreparedStatement.56") //$NON-NLS-1$
+ ex.getClass().getName(), SQLError.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
sqlEx.initCause(ex);
throw sqlEx;
}
}
private final int readblock(InputStream i, byte[] b, int length)
throws SQLException {
try {
int lengthToRead = length;
if (lengthToRead > b.length) {
lengthToRead = b.length;
}
return i.read(b, 0, lengthToRead);
} catch (Throwable ex) {
SQLException sqlEx = SQLError.createSQLException(Messages.getString("PreparedStatement.56") //$NON-NLS-1$
+ ex.getClass().getName(), SQLError.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
sqlEx.initCause(ex);
throw sqlEx;
}
}
/**
* Closes this statement, releasing all resources
*
* @param calledExplicitly
* was this called by close()?
*
* @throws SQLException
* if an error occurs
*/
protected void realClose(boolean calledExplicitly,
boolean closeOpenResults) throws SQLException {
MySQLConnection locallyScopedConn;
try {
locallyScopedConn = checkClosed();
} catch (SQLException sqlEx) {
return; // already closed
}
synchronized (locallyScopedConn.getConnectionMutex()) {
if (this.useUsageAdvisor) {
if (this.numberOfExecutions <= 1) {
String message = Messages.getString("PreparedStatement.43"); //$NON-NLS-1$
this.eventSink.consumeEvent(new ProfilerEvent(
ProfilerEvent.TYPE_WARN, "", this.currentCatalog, //$NON-NLS-1$
this.connectionId, this.getId(), -1, System
.currentTimeMillis(), 0, Constants.MILLIS_I18N,
null,
this.pointOfOrigin, message));
}
}
super.realClose(calledExplicitly, closeOpenResults);
this.dbmd = null;
this.originalSql = null;
this.staticSqlStrings = null;
this.parameterValues = null;
this.parameterStreams = null;
this.isStream = null;
this.streamLengths = null;
this.isNull = null;
this.streamConvertBuf = null;
this.parameterTypes = null;
}
}
/**
* JDBC 2.0 Set an Array parameter.
*
* @param i
* the first parameter is 1, the second is 2, ...
* @param x
* an object representing an SQL array
*
* @throws SQLException
* because this method is not implemented.
* @throws NotImplemented
* DOCUMENT ME!
*/
public void setArray(int i, Array x) throws SQLException {
throw SQLError.notImplemented();
}
/**
* When a very large ASCII value is input to a LONGVARCHAR parameter, it may
* be more practical to send it via a java.io.InputStream. JDBC will read
* the data from the stream as needed, until it reaches end-of-file. The
* JDBC driver will do any necessary conversion from ASCII to the database
* char format.
*
* <P>
* <B>Note:</B> This stream object can either be a standard Java stream
* object or your own subclass that implements the standard interface.
* </p>
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
* @param length
* the number of bytes in the stream
*
* @exception SQLException
* if a database access error occurs
*/
public void setAsciiStream(int parameterIndex, InputStream x,
int length) throws SQLException {
if (x == null) {
setNull(parameterIndex, java.sql.Types.VARCHAR);
} else {
setBinaryStream(parameterIndex, x, length);
}
}
/**
* Set a parameter to a java.math.BigDecimal value. The driver converts this
* to a SQL NUMERIC value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception SQLException
* if a database access error occurs
*/
public void setBigDecimal(int parameterIndex, BigDecimal x)
throws SQLException {
if (x == null) {
setNull(parameterIndex, java.sql.Types.DECIMAL);
} else {
setInternal(parameterIndex, StringUtils
.fixDecimalExponent(StringUtils.consistentToString(x)));
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.DECIMAL;
}
}
/**
* When a very large binary value is input to a LONGVARBINARY parameter, it
* may be more practical to send it via a java.io.InputStream. JDBC will
* read the data from the stream as needed, until it reaches end-of-file.
*
* <P>
* <B>Note:</B> This stream object can either be a standard Java stream
* object or your own subclass that implements the standard interface.
* </p>
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
* @param length
* the number of bytes to read from the stream (ignored)
*
* @throws SQLException
* if a database access error occurs
*/
public void setBinaryStream(int parameterIndex, InputStream x, int length)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (x == null) {
setNull(parameterIndex, java.sql.Types.BINARY);
} else {
int parameterIndexOffset = getParameterIndexOffset();
if ((parameterIndex < 1)
|| (parameterIndex > this.staticSqlStrings.length)) {
throw SQLError.createSQLException(
Messages.getString("PreparedStatement.2") //$NON-NLS-1$
+ parameterIndex
+ Messages.getString("PreparedStatement.3") + this.staticSqlStrings.length + Messages.getString("PreparedStatement.4"), //$NON-NLS-1$ //$NON-NLS-2$
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
} else if (parameterIndexOffset == -1 && parameterIndex == 1) {
throw SQLError.createSQLException("Can't set IN parameter for return value of stored function call.",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
this.parameterStreams[parameterIndex - 1 + parameterIndexOffset] = x;
this.isStream[parameterIndex - 1 + parameterIndexOffset] = true;
this.streamLengths[parameterIndex - 1 + parameterIndexOffset] = length;
this.isNull[parameterIndex - 1 + parameterIndexOffset] = false;
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.BLOB;
}
}
}
public void setBlob(int parameterIndex, InputStream inputStream, long length)
throws SQLException {
setBinaryStream(parameterIndex, inputStream, (int)length);
}
/**
* JDBC 2.0 Set a BLOB parameter.
*
* @param i
* the first parameter is 1, the second is 2, ...
* @param x
* an object representing a BLOB
*
* @throws SQLException
* if a database error occurs
*/
public void setBlob(int i, java.sql.Blob x) throws SQLException {
if (x == null) {
setNull(i, Types.BLOB);
} else {
ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
bytesOut.write('\'');
escapeblockFast(x.getBytes(1, (int) x.length()), bytesOut, (int) x
.length());
bytesOut.write('\'');
setInternal(i, bytesOut.toByteArray());
this.parameterTypes[i - 1 + getParameterIndexOffset()] = Types.BLOB;
}
}
/**
* Set a parameter to a Java boolean value. The driver converts this to a
* SQL BIT value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @throws SQLException
* if a database access error occurs
*/
public void setBoolean(int parameterIndex, boolean x) throws SQLException {
if (this.useTrueBoolean) {
setInternal(parameterIndex, x ? "1" : "0"); //$NON-NLS-1$ //$NON-NLS-2$
} else {
setInternal(parameterIndex, x ? "'t'" : "'f'"); //$NON-NLS-1$ //$NON-NLS-2$
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.BOOLEAN;
}
}
/**
* Set a parameter to a Java byte value. The driver converts this to a SQL
* TINYINT value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception SQLException
* if a database access error occurs
*/
public void setByte(int parameterIndex, byte x) throws SQLException {
setInternal(parameterIndex, String.valueOf(x));
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.TINYINT;
}
/**
* Set a parameter to a Java array of bytes. The driver converts this to a
* SQL VARBINARY or LONGVARBINARY (depending on the argument's size relative
* to the driver's limits on VARBINARYs) when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception SQLException
* if a database access error occurs
*/
public void setBytes(int parameterIndex, byte[] x) throws SQLException {
setBytes(parameterIndex, x, true, true);
if (x != null) {
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.BINARY;
}
}
protected void setBytes(int parameterIndex, byte[] x,
boolean checkForIntroducer, boolean escapeForMBChars)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (x == null) {
setNull(parameterIndex, java.sql.Types.BINARY);
} else {
String connectionEncoding = this.connection.getEncoding();
try {
if (this.connection.isNoBackslashEscapesSet()
|| (escapeForMBChars
&& this.connection.getUseUnicode()
&& connectionEncoding != null
&& CharsetMapping.isMultibyteCharset(connectionEncoding))) {
// Send as hex
ByteArrayOutputStream bOut = new ByteArrayOutputStream(
(x.length * 2) + 3);
bOut.write('x');
bOut.write('\'');
for (int i = 0; i < x.length; i++) {
int lowBits = (x[i] & 0xff) / 16;
int highBits = (x[i] & 0xff) % 16;
bOut.write(HEX_DIGITS[lowBits]);
bOut.write(HEX_DIGITS[highBits]);
}
bOut.write('\'');
setInternal(parameterIndex, bOut.toByteArray());
return;
}
} catch (SQLException ex) {
throw ex;
} catch (RuntimeException ex) {
SQLException sqlEx = SQLError.createSQLException(ex.toString(), SQLError.SQL_STATE_ILLEGAL_ARGUMENT, null);
sqlEx.initCause(ex);
throw sqlEx;
}
// escape them
int numBytes = x.length;
int pad = 2;
boolean needsIntroducer = checkForIntroducer
&& this.connection.versionMeetsMinimum(4, 1, 0);
if (needsIntroducer) {
pad += 7;
}
ByteArrayOutputStream bOut = new ByteArrayOutputStream(numBytes
+ pad);
if (needsIntroducer) {
bOut.write('_');
bOut.write('b');
bOut.write('i');
bOut.write('n');
bOut.write('a');
bOut.write('r');
bOut.write('y');
}
bOut.write('\'');
for (int i = 0; i < numBytes; ++i) {
byte b = x[i];
switch (b) {
case 0: /* Must be escaped for 'mysql' */
bOut.write('\\');
bOut.write('0');
break;
case '\n': /* Must be escaped for logs */
bOut.write('\\');
bOut.write('n');
break;
case '\r':
bOut.write('\\');
bOut.write('r');
break;
case '\\':
bOut.write('\\');
bOut.write('\\');
break;
case '\'':
bOut.write('\\');
bOut.write('\'');
break;
case '"': /* Better safe than sorry */
bOut.write('\\');
bOut.write('"');
break;
case '\032': /* This gives problems on Win32 */
bOut.write('\\');
bOut.write('Z');
break;
default:
bOut.write(b);
}
}
bOut.write('\'');
setInternal(parameterIndex, bOut.toByteArray());
}
}
}
/**
* Used by updatable result sets for refreshRow() because the parameter has
* already been escaped for updater or inserter prepared statements.
*
* @param parameterIndex
* the parameter to set.
* @param parameterAsBytes
* the parameter as a string.
*
* @throws SQLException
* if an error occurs
*/
protected void setBytesNoEscape(int parameterIndex, byte[] parameterAsBytes)
throws SQLException {
byte[] parameterWithQuotes = new byte[parameterAsBytes.length + 2];
parameterWithQuotes[0] = '\'';
System.arraycopy(parameterAsBytes, 0, parameterWithQuotes, 1,
parameterAsBytes.length);
parameterWithQuotes[parameterAsBytes.length + 1] = '\'';
setInternal(parameterIndex, parameterWithQuotes);
}
protected void setBytesNoEscapeNoQuotes(int parameterIndex,
byte[] parameterAsBytes) throws SQLException {
setInternal(parameterIndex, parameterAsBytes);
}
/**
* JDBC 2.0 When a very large UNICODE value is input to a LONGVARCHAR
* parameter, it may be more practical to send it via a java.io.Reader. JDBC
* will read the data from the stream as needed, until it reaches
* end-of-file. The JDBC driver will do any necessary conversion from
* UNICODE to the database char format.
*
* <P>
* <B>Note:</B> This stream object can either be a standard Java stream
* object or your own subclass that implements the standard interface.
* </p>
*
* @param parameterIndex
* the first parameter is 1, the second is 2, ...
* @param reader
* the java reader which contains the UNICODE data
* @param length
* the number of characters in the stream
*
* @exception SQLException
* if a database-access error occurs.
*/
public void setCharacterStream(int parameterIndex, java.io.Reader reader,
int length) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
try {
if (reader == null) {
setNull(parameterIndex, Types.LONGVARCHAR);
} else {
char[] c = null;
int len = 0;
boolean useLength = this.connection
.getUseStreamLengthsInPrepStmts();
String forcedEncoding = this.connection.getClobCharacterEncoding();
if (useLength && (length != -1)) {
c = new char[length];
int numCharsRead = readFully(reader, c, length); // blocks
// until
// all
// read
if (forcedEncoding == null) {
setString(parameterIndex, new String(c, 0, numCharsRead));
} else {
try {
setBytes(parameterIndex, StringUtils.getBytes(new String(c,
0,
numCharsRead), forcedEncoding));
} catch (UnsupportedEncodingException uee) {
throw SQLError.createSQLException("Unsupported character encoding " +
forcedEncoding, SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
}
} else {
c = new char[4096];
StringBuffer buf = new StringBuffer();
while ((len = reader.read(c)) != -1) {
buf.append(c, 0, len);
}
if (forcedEncoding == null) {
setString(parameterIndex, buf.toString());
} else {
try {
setBytes(parameterIndex,
StringUtils.getBytes(buf.toString(), forcedEncoding));
} catch (UnsupportedEncodingException uee) {
throw SQLError.createSQLException("Unsupported character encoding " +
forcedEncoding, SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
}
}
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.CLOB;
}
} catch (java.io.IOException ioEx) {
throw SQLError.createSQLException(ioEx.toString(),
SQLError.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
}
}
/**
* JDBC 2.0 Set a CLOB parameter.
*
* @param i
* the first parameter is 1, the second is 2, ...
* @param x
* an object representing a CLOB
*
* @throws SQLException
* if a database error occurs
*/
public void setClob(int i, Clob x) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (x == null) {
setNull(i, Types.CLOB);
} else {
String forcedEncoding = this.connection.getClobCharacterEncoding();
if (forcedEncoding == null) {
setString(i, x.getSubString(1L, (int) x.length()));
} else {
try {
setBytes(i, StringUtils.getBytes(x.getSubString(1L,
(int)x.length()), forcedEncoding));
} catch (UnsupportedEncodingException uee) {
throw SQLError.createSQLException("Unsupported character encoding " +
forcedEncoding, SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
}
this.parameterTypes[i - 1 + getParameterIndexOffset()] = Types.CLOB;
}
}
}
/**
* Set a parameter to a java.sql.Date value. The driver converts this to a
* SQL DATE value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception java.sql.SQLException
* if a database access error occurs
*/
public void setDate(int parameterIndex, java.sql.Date x)
throws java.sql.SQLException {
setDate(parameterIndex, x, null);
}
/**
* Set a parameter to a java.sql.Date value. The driver converts this to a
* SQL DATE value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1, the second is 2, ...
* @param x
* the parameter value
* @param cal
* the calendar to interpret the date with
*
* @exception SQLException
* if a database-access error occurs.
*/
public void setDate(int parameterIndex, java.sql.Date x, Calendar cal)
throws SQLException {
if (x == null) {
setNull(parameterIndex, java.sql.Types.DATE);
} else {
checkClosed();
if (!this.useLegacyDatetimeCode) {
newSetDateInternal(parameterIndex, x, cal);
} else {
// FIXME: Have instance version of this, problem as it's
// not thread-safe :(
SimpleDateFormat dateFormatter = new SimpleDateFormat(
"''yyyy-MM-dd''", Locale.US); //$NON-NLS-1$
setInternal(parameterIndex, dateFormatter.format(x));
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.DATE;
}
}
}
/**
* Set a parameter to a Java double value. The driver converts this to a SQL
* DOUBLE value when it sends it to the database
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception SQLException
* if a database access error occurs
*/
public void setDouble(int parameterIndex, double x) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (!this.connection.getAllowNanAndInf()
&& (x == Double.POSITIVE_INFINITY
|| x == Double.NEGATIVE_INFINITY || Double.isNaN(x))) {
throw SQLError.createSQLException("'" + x
+ "' is not a valid numeric or approximate numeric value",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
setInternal(parameterIndex, StringUtils.fixDecimalExponent(String
.valueOf(x)));
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.DOUBLE;
}
}
/**
* Set a parameter to a Java float value. The driver converts this to a SQL
* FLOAT value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception SQLException
* if a database access error occurs
*/
public void setFloat(int parameterIndex, float x) throws SQLException {
setInternal(parameterIndex, StringUtils.fixDecimalExponent(String
.valueOf(x)));
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.FLOAT;
}
/**
* Set a parameter to a Java int value. The driver converts this to a SQL
* INTEGER value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception SQLException
* if a database access error occurs
*/
public void setInt(int parameterIndex, int x) throws SQLException {
setInternal(parameterIndex, String.valueOf(x));
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.INTEGER;
}
protected final void setInternal(int paramIndex, byte[] val)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
int parameterIndexOffset = getParameterIndexOffset();
checkBounds(paramIndex, parameterIndexOffset);
this.isStream[paramIndex - 1 + parameterIndexOffset] = false;
this.isNull[paramIndex - 1 + parameterIndexOffset] = false;
this.parameterStreams[paramIndex - 1 + parameterIndexOffset] = null;
this.parameterValues[paramIndex - 1 + parameterIndexOffset] = val;
}
}
protected void checkBounds(int paramIndex, int parameterIndexOffset)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if ((paramIndex < 1)) {
throw SQLError.createSQLException(
Messages.getString("PreparedStatement.49") //$NON-NLS-1$
+ paramIndex
+ Messages.getString("PreparedStatement.50"), SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor()); //$NON-NLS-1$
} else if (paramIndex > this.parameterCount) {
throw SQLError.createSQLException(
Messages.getString("PreparedStatement.51") //$NON-NLS-1$
+ paramIndex
+ Messages.getString("PreparedStatement.52") + (this.parameterValues.length) + Messages.getString("PreparedStatement.53"), //$NON-NLS-1$ //$NON-NLS-2$
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
} else if (parameterIndexOffset == -1 && paramIndex == 1) {
throw SQLError.createSQLException("Can't set IN parameter for return value of stored function call.",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
}
}
protected final void setInternal(int paramIndex, String val)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
byte[] parameterAsBytes = null;
if (this.charConverter != null) {
parameterAsBytes = this.charConverter.toBytes(val);
} else {
parameterAsBytes = StringUtils.getBytes(val, this.charConverter,
this.charEncoding, this.connection
.getServerCharacterEncoding(), this.connection
.parserKnowsUnicode(), getExceptionInterceptor());
}
setInternal(paramIndex, parameterAsBytes);
}
}
/**
* Set a parameter to a Java long value. The driver converts this to a SQL
* BIGINT value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception SQLException
* if a database access error occurs
*/
public void setLong(int parameterIndex, long x) throws SQLException {
setInternal(parameterIndex, String.valueOf(x));
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.BIGINT;
}
/**
* Set a parameter to SQL NULL
*
* <p>
* <B>Note:</B> You must specify the parameters SQL type (although MySQL
* ignores it)
* </p>
*
* @param parameterIndex
* the first parameter is 1, etc...
* @param sqlType
* the SQL type code defined in java.sql.Types
*
* @exception SQLException
* if a database access error occurs
*/
public void setNull(int parameterIndex, int sqlType) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
setInternal(parameterIndex, "null"); //$NON-NLS-1$
this.isNull[parameterIndex - 1 + getParameterIndexOffset()] = true;
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.NULL;
}
}
/**
* Set a parameter to SQL NULL.
*
* <P>
* <B>Note:</B> You must specify the parameter's SQL type.
* </p>
*
* @param parameterIndex
* the first parameter is 1, the second is 2, ...
* @param sqlType
* SQL type code defined by java.sql.Types
* @param arg
* argument parameters for null
*
* @exception SQLException
* if a database-access error occurs.
*/
public void setNull(int parameterIndex, int sqlType, String arg)
throws SQLException {
setNull(parameterIndex, sqlType);
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.NULL;
}
private void setNumericObject(int parameterIndex, Object parameterObj, int targetSqlType, int scale) throws SQLException {
Number parameterAsNum;
if (parameterObj instanceof Boolean) {
parameterAsNum = ((Boolean) parameterObj)
.booleanValue() ? Integer.valueOf(1) : Integer.valueOf(
0);
} else if (parameterObj instanceof String) {
switch (targetSqlType) {
case Types.BIT:
if ("1".equals(parameterObj)
|| "0".equals(parameterObj)) {
parameterAsNum = Integer.valueOf((String) parameterObj);
} else {
boolean parameterAsBoolean = "true"
.equalsIgnoreCase((String) parameterObj);
parameterAsNum = parameterAsBoolean ? Integer.valueOf(1)
: Integer.valueOf(0);
}
break;
case Types.TINYINT:
case Types.SMALLINT:
case Types.INTEGER:
parameterAsNum = Integer
.valueOf((String) parameterObj);
break;
case Types.BIGINT:
parameterAsNum = Long
.valueOf((String) parameterObj);
break;
case Types.REAL:
parameterAsNum = Float
.valueOf((String) parameterObj);
break;
case Types.FLOAT:
case Types.DOUBLE:
parameterAsNum = Double
.valueOf((String) parameterObj);
break;
case Types.DECIMAL:
case Types.NUMERIC:
default:
parameterAsNum = new java.math.BigDecimal(
(String) parameterObj);
}
} else {
parameterAsNum = (Number) parameterObj;
}
switch (targetSqlType) {
case Types.BIT:
case Types.TINYINT:
case Types.SMALLINT:
case Types.INTEGER:
setInt(parameterIndex, parameterAsNum.intValue());
break;
case Types.BIGINT:
setLong(parameterIndex, parameterAsNum.longValue());
break;
case Types.REAL:
setFloat(parameterIndex, parameterAsNum.floatValue());
break;
case Types.FLOAT:
case Types.DOUBLE:
setDouble(parameterIndex, parameterAsNum.doubleValue());
break;
case Types.DECIMAL:
case Types.NUMERIC:
if (parameterAsNum instanceof java.math.BigDecimal) {
BigDecimal scaledBigDecimal = null;
try {
scaledBigDecimal = ((java.math.BigDecimal) parameterAsNum)
.setScale(scale);
} catch (ArithmeticException ex) {
try {
scaledBigDecimal = ((java.math.BigDecimal) parameterAsNum)
.setScale(scale,
BigDecimal.ROUND_HALF_UP);
} catch (ArithmeticException arEx) {
throw SQLError.createSQLException(
"Can't set scale of '"
+ scale
+ "' for DECIMAL argument '"
+ parameterAsNum + "'",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
}
setBigDecimal(parameterIndex, scaledBigDecimal);
} else if (parameterAsNum instanceof java.math.BigInteger) {
setBigDecimal(
parameterIndex,
new java.math.BigDecimal(
(java.math.BigInteger) parameterAsNum,
scale));
} else {
setBigDecimal(parameterIndex,
new java.math.BigDecimal(parameterAsNum
.doubleValue()));
}
break;
}
}
public void setObject(int parameterIndex, Object parameterObj)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (parameterObj == null) {
setNull(parameterIndex, java.sql.Types.OTHER);
} else {
if (parameterObj instanceof Byte) {
setInt(parameterIndex, ((Byte) parameterObj).intValue());
} else if (parameterObj instanceof String) {
setString(parameterIndex, (String) parameterObj);
} else if (parameterObj instanceof BigDecimal) {
setBigDecimal(parameterIndex, (BigDecimal) parameterObj);
} else if (parameterObj instanceof Short) {
setShort(parameterIndex, ((Short) parameterObj).shortValue());
} else if (parameterObj instanceof Integer) {
setInt(parameterIndex, ((Integer) parameterObj).intValue());
} else if (parameterObj instanceof Long) {
setLong(parameterIndex, ((Long) parameterObj).longValue());
} else if (parameterObj instanceof Float) {
setFloat(parameterIndex, ((Float) parameterObj).floatValue());
} else if (parameterObj instanceof Double) {
setDouble(parameterIndex, ((Double) parameterObj).doubleValue());
} else if (parameterObj instanceof byte[]) {
setBytes(parameterIndex, (byte[]) parameterObj);
} else if (parameterObj instanceof java.sql.Date) {
setDate(parameterIndex, (java.sql.Date) parameterObj);
} else if (parameterObj instanceof Time) {
setTime(parameterIndex, (Time) parameterObj);
} else if (parameterObj instanceof Timestamp) {
setTimestamp(parameterIndex, (Timestamp) parameterObj);
} else if (parameterObj instanceof Boolean) {
setBoolean(parameterIndex, ((Boolean) parameterObj)
.booleanValue());
} else if (parameterObj instanceof InputStream) {
setBinaryStream(parameterIndex, (InputStream) parameterObj, -1);
} else if (parameterObj instanceof java.sql.Blob) {
setBlob(parameterIndex, (java.sql.Blob) parameterObj);
} else if (parameterObj instanceof java.sql.Clob) {
setClob(parameterIndex, (java.sql.Clob) parameterObj);
} else if (this.connection.getTreatUtilDateAsTimestamp() &&
parameterObj instanceof java.util.Date) {
setTimestamp(parameterIndex, new Timestamp(
((java.util.Date) parameterObj).getTime()));
} else if (parameterObj instanceof BigInteger) {
setString(parameterIndex, parameterObj.toString());
} else {
setSerializableObject(parameterIndex, parameterObj);
}
}
}
}
/**
* DOCUMENT ME!
*
* @param parameterIndex
* DOCUMENT ME!
* @param parameterObj
* DOCUMENT ME!
* @param targetSqlType
* DOCUMENT ME!
*
* @throws SQLException
* DOCUMENT ME!
*/
public void setObject(int parameterIndex, Object parameterObj,
int targetSqlType) throws SQLException {
if (!(parameterObj instanceof BigDecimal)) {
setObject(parameterIndex, parameterObj, targetSqlType, 0);
} else {
setObject(parameterIndex, parameterObj, targetSqlType,
((BigDecimal)parameterObj).scale());
}
}
/**
* Set the value of a parameter using an object; use the java.lang
* equivalent objects for integral values.
*
* <P>
* The given Java object will be converted to the targetSqlType before being
* sent to the database.
* </p>
*
* <P>
* note that this method may be used to pass database-specific abstract data
* types. This is done by using a Driver-specific Java type and using a
* targetSqlType of java.sql.Types.OTHER
* </p>
*
* @param parameterIndex
* the first parameter is 1...
* @param parameterObj
* the object containing the input parameter value
* @param targetSqlType
* The SQL type to be send to the database
* @param scale
* For java.sql.Types.DECIMAL or java.sql.Types.NUMERIC types
* this is the number of digits after the decimal. For all other
* types this value will be ignored.
*
* @throws SQLException
* if a database access error occurs
*/
public void setObject(int parameterIndex, Object parameterObj,
int targetSqlType, int scale) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (parameterObj == null) {
setNull(parameterIndex, java.sql.Types.OTHER);
} else {
try {
switch (targetSqlType) {
case Types.BOOLEAN:
/*
From Table-B5 in the JDBC-3.0 Spec
T S I B R F D D N B B C V L
I M N I E L O E U I O H A O
N A T G A O U C M T O A R N
Y L E I L A B I E L R C G
I L G N T L M R E H V
N I E T E A I A A A
T N R L C N R R
T C
H
A
R
-----------------------------------
Boolean x x x x x x x x x x x x x x
*/
if (parameterObj instanceof Boolean) {
setBoolean(parameterIndex, ((Boolean)parameterObj).booleanValue());
break;
} else if (parameterObj instanceof String) {
setBoolean(parameterIndex, "true".equalsIgnoreCase((String)parameterObj) ||
!"0".equalsIgnoreCase((String)parameterObj));
break;
} else if (parameterObj instanceof Number) {
int intValue = ((Number)parameterObj).intValue();
setBoolean(parameterIndex, intValue != 0);
break;
} else {
throw SQLError.createSQLException("No conversion from " + parameterObj.getClass().getName() +
" to Types.BOOLEAN possible.", SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
}
case Types.BIT:
case Types.TINYINT:
case Types.SMALLINT:
case Types.INTEGER:
case Types.BIGINT:
case Types.REAL:
case Types.FLOAT:
case Types.DOUBLE:
case Types.DECIMAL:
case Types.NUMERIC:
setNumericObject(parameterIndex, parameterObj, targetSqlType, scale);
break;
case Types.CHAR:
case Types.VARCHAR:
case Types.LONGVARCHAR:
if (parameterObj instanceof BigDecimal) {
setString(
parameterIndex,
(StringUtils
.fixDecimalExponent(StringUtils
.consistentToString((BigDecimal) parameterObj))));
} else {
setString(parameterIndex, parameterObj.toString());
}
break;
case Types.CLOB:
if (parameterObj instanceof java.sql.Clob) {
setClob(parameterIndex, (java.sql.Clob) parameterObj);
} else {
setString(parameterIndex, parameterObj.toString());
}
break;
case Types.BINARY:
case Types.VARBINARY:
case Types.LONGVARBINARY:
case Types.BLOB:
if (parameterObj instanceof byte[]) {
setBytes(parameterIndex, (byte[]) parameterObj);
} else if (parameterObj instanceof java.sql.Blob) {
setBlob(parameterIndex, (java.sql.Blob) parameterObj);
} else {
setBytes(parameterIndex, StringUtils.getBytes(
parameterObj.toString(), this.charConverter,
this.charEncoding, this.connection
.getServerCharacterEncoding(),
this.connection.parserKnowsUnicode(), getExceptionInterceptor()));
}
break;
case Types.DATE:
case Types.TIMESTAMP:
java.util.Date parameterAsDate;
if (parameterObj instanceof String) {
ParsePosition pp = new ParsePosition(0);
java.text.DateFormat sdf = new java.text.SimpleDateFormat(
getDateTimePattern((String) parameterObj, false), Locale.US);
parameterAsDate = sdf.parse((String) parameterObj, pp);
} else {
parameterAsDate = (java.util.Date) parameterObj;
}
switch (targetSqlType) {
case Types.DATE:
if (parameterAsDate instanceof java.sql.Date) {
setDate(parameterIndex,
(java.sql.Date) parameterAsDate);
} else {
setDate(parameterIndex, new java.sql.Date(
parameterAsDate.getTime()));
}
break;
case Types.TIMESTAMP:
if (parameterAsDate instanceof java.sql.Timestamp) {
setTimestamp(parameterIndex,
(java.sql.Timestamp) parameterAsDate);
} else {
setTimestamp(parameterIndex,
new java.sql.Timestamp(parameterAsDate
.getTime()));
}
break;
}
break;
case Types.TIME:
if (parameterObj instanceof String) {
java.text.DateFormat sdf = new java.text.SimpleDateFormat(
getDateTimePattern((String) parameterObj, true), Locale.US);
setTime(parameterIndex, new java.sql.Time(sdf.parse(
(String) parameterObj).getTime()));
} else if (parameterObj instanceof Timestamp) {
Timestamp xT = (Timestamp) parameterObj;
setTime(parameterIndex, new java.sql.Time(xT.getTime()));
} else {
setTime(parameterIndex, (java.sql.Time) parameterObj);
}
break;
case Types.OTHER:
setSerializableObject(parameterIndex, parameterObj);
break;
default:
throw SQLError.createSQLException(Messages
.getString("PreparedStatement.16"), //$NON-NLS-1$
SQLError.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
} catch (Exception ex) {
if (ex instanceof SQLException) {
throw (SQLException) ex;
}
SQLException sqlEx = SQLError.createSQLException(
Messages.getString("PreparedStatement.17") //$NON-NLS-1$
+ parameterObj.getClass().toString()
+ Messages.getString("PreparedStatement.18") //$NON-NLS-1$
+ ex.getClass().getName()
+ Messages.getString("PreparedStatement.19") + ex.getMessage(), //$NON-NLS-1$
SQLError.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
sqlEx.initCause(ex);
throw sqlEx;
}
}
}
}
protected int setOneBatchedParameterSet(
java.sql.PreparedStatement batchedStatement, int batchedParamIndex,
Object paramSet) throws SQLException {
BatchParams paramArg = (BatchParams)paramSet;
boolean[] isNullBatch = paramArg.isNull;
boolean[] isStreamBatch = paramArg.isStream;
for (int j = 0; j < isNullBatch.length; j++) {
if (isNullBatch[j]) {
batchedStatement.setNull(batchedParamIndex++, Types.NULL);
} else {
if (isStreamBatch[j]) {
batchedStatement.setBinaryStream(batchedParamIndex++,
paramArg.parameterStreams[j],
paramArg.streamLengths[j]);
} else {
((com.mysql.jdbc.PreparedStatement) batchedStatement)
.setBytesNoEscapeNoQuotes(batchedParamIndex++,
paramArg.parameterStrings[j]);
}
}
}
return batchedParamIndex;
}
/**
* JDBC 2.0 Set a REF(<structured-type>) parameter.
*
* @param i
* the first parameter is 1, the second is 2, ...
* @param x
* an object representing data of an SQL REF Type
*
* @throws SQLException
* if a database error occurs
* @throws NotImplemented
* DOCUMENT ME!
*/
public void setRef(int i, Ref x) throws SQLException {
throw SQLError.notImplemented();
}
/**
* Sets the value for the placeholder as a serialized Java object (used by
* various forms of setObject()
*
* @param parameterIndex
* DOCUMENT ME!
* @param parameterObj
* DOCUMENT ME!
*
* @throws SQLException
* DOCUMENT ME!
*/
private final void setSerializableObject(int parameterIndex,
Object parameterObj) throws SQLException {
try {
ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
ObjectOutputStream objectOut = new ObjectOutputStream(bytesOut);
objectOut.writeObject(parameterObj);
objectOut.flush();
objectOut.close();
bytesOut.flush();
bytesOut.close();
byte[] buf = bytesOut.toByteArray();
ByteArrayInputStream bytesIn = new ByteArrayInputStream(buf);
setBinaryStream(parameterIndex, bytesIn, buf.length);
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.BINARY;
} catch (Exception ex) {
SQLException sqlEx = SQLError.createSQLException(Messages.getString("PreparedStatement.54") //$NON-NLS-1$
+ ex.getClass().getName(),
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());
sqlEx.initCause(ex);
throw sqlEx;
}
}
/**
* Set a parameter to a Java short value. The driver converts this to a SQL
* SMALLINT value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception SQLException
* if a database access error occurs
*/
public void setShort(int parameterIndex, short x) throws SQLException {
setInternal(parameterIndex, String.valueOf(x));
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.SMALLINT;
}
/**
* Set a parameter to a Java String value. The driver converts this to a SQL
* VARCHAR or LONGVARCHAR value (depending on the arguments size relative to
* the driver's limits on VARCHARs) when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception SQLException
* if a database access error occurs
*/
public void setString(int parameterIndex, String x) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
// if the passed string is null, then set this column to null
if (x == null) {
setNull(parameterIndex, Types.CHAR);
} else {
checkClosed();
int stringLength = x.length();
if (this.connection.isNoBackslashEscapesSet()) {
// Scan for any nasty chars
boolean needsHexEscape = isEscapeNeededForString(x,
stringLength);
if (!needsHexEscape) {
byte[] parameterAsBytes = null;
StringBuffer quotedString = new StringBuffer(x.length() + 2);
quotedString.append('\'');
quotedString.append(x);
quotedString.append('\'');
if (!this.isLoadDataQuery) {
parameterAsBytes = StringUtils.getBytes(quotedString.toString(),
this.charConverter, this.charEncoding,
this.connection.getServerCharacterEncoding(),
this.connection.parserKnowsUnicode(), getExceptionInterceptor());
} else {
// Send with platform character encoding
parameterAsBytes = StringUtils.getBytes(quotedString.toString());
}
setInternal(parameterIndex, parameterAsBytes);
} else {
byte[] parameterAsBytes = null;
if (!this.isLoadDataQuery) {
parameterAsBytes = StringUtils.getBytes(x,
this.charConverter, this.charEncoding,
this.connection.getServerCharacterEncoding(),
this.connection.parserKnowsUnicode(), getExceptionInterceptor());
} else {
// Send with platform character encoding
parameterAsBytes = StringUtils.getBytes(x);
}
setBytes(parameterIndex, parameterAsBytes);
}
return;
}
String parameterAsString = x;
boolean needsQuoted = true;
if (this.isLoadDataQuery || isEscapeNeededForString(x, stringLength)) {
needsQuoted = false; // saves an allocation later
StringBuffer buf = new StringBuffer((int) (x.length() * 1.1));
buf.append('\'');
//
// Note: buf.append(char) is _faster_ than
// appending in blocks, because the block
// append requires a System.arraycopy()....
// go figure...
//
for (int i = 0; i < stringLength; ++i) {
char c = x.charAt(i);
switch (c) {
case 0: /* Must be escaped for 'mysql' */
buf.append('\\');
buf.append('0');
break;
case '\n': /* Must be escaped for logs */
buf.append('\\');
buf.append('n');
break;
case '\r':
buf.append('\\');
buf.append('r');
break;
case '\\':
buf.append('\\');
buf.append('\\');
break;
case '\'':
buf.append('\\');
buf.append('\'');
break;
case '"': /* Better safe than sorry */
if (this.usingAnsiMode) {
buf.append('\\');
}
buf.append('"');
break;
case '\032': /* This gives problems on Win32 */
buf.append('\\');
buf.append('Z');
break;
case '\u00a5':
case '\u20a9':
// escape characters interpreted as backslash by mysql
if(charsetEncoder != null) {
CharBuffer cbuf = CharBuffer.allocate(1);
ByteBuffer bbuf = ByteBuffer.allocate(1);
cbuf.put(c);
cbuf.position(0);
charsetEncoder.encode(cbuf, bbuf, true);
if(bbuf.get(0) == '\\') {
buf.append('\\');
}
}
// fall through
default:
buf.append(c);
}
}
buf.append('\'');
parameterAsString = buf.toString();
}
byte[] parameterAsBytes = null;
if (!this.isLoadDataQuery) {
if (needsQuoted) {
parameterAsBytes = StringUtils.getBytesWrapped(parameterAsString,
'\'', '\'', this.charConverter, this.charEncoding, this.connection
.getServerCharacterEncoding(), this.connection
.parserKnowsUnicode(), getExceptionInterceptor());
} else {
parameterAsBytes = StringUtils.getBytes(parameterAsString,
this.charConverter, this.charEncoding, this.connection
.getServerCharacterEncoding(), this.connection
.parserKnowsUnicode(), getExceptionInterceptor());
}
} else {
// Send with platform character encoding
parameterAsBytes = StringUtils.getBytes(parameterAsString);
}
setInternal(parameterIndex, parameterAsBytes);
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.VARCHAR;
}
}
}
private boolean isEscapeNeededForString(String x, int stringLength) {
boolean needsHexEscape = false;
for (int i = 0; i < stringLength; ++i) {
char c = x.charAt(i);
switch (c) {
case 0: /* Must be escaped for 'mysql' */
needsHexEscape = true;
break;
case '\n': /* Must be escaped for logs */
needsHexEscape = true;
break;
case '\r':
needsHexEscape = true;
break;
case '\\':
needsHexEscape = true;
break;
case '\'':
needsHexEscape = true;
break;
case '"': /* Better safe than sorry */
needsHexEscape = true;
break;
case '\032': /* This gives problems on Win32 */
needsHexEscape = true;
break;
}
if (needsHexEscape) {
break; // no need to scan more
}
}
return needsHexEscape;
}
/**
* Set a parameter to a java.sql.Time value. The driver converts this to a
* SQL TIME value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1, the second is 2, ...
* @param x
* the parameter value
* @param cal
* the cal specifying the timezone
*
* @throws SQLException
* if a database-access error occurs.
*/
public void setTime(int parameterIndex, java.sql.Time x, Calendar cal)
throws SQLException {
setTimeInternal(parameterIndex, x, cal, cal.getTimeZone(), true);
}
/**
* Set a parameter to a java.sql.Time value. The driver converts this to a
* SQL TIME value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...));
* @param x
* the parameter value
*
* @throws java.sql.SQLException
* if a database access error occurs
*/
public void setTime(int parameterIndex, Time x)
throws java.sql.SQLException {
setTimeInternal(parameterIndex, x, null, Util.getDefaultTimeZone(), false);
}
/**
* Set a parameter to a java.sql.Time value. The driver converts this to a
* SQL TIME value when it sends it to the database, using the given
* timezone.
*
* @param parameterIndex
* the first parameter is 1...));
* @param x
* the parameter value
* @param tz
* the timezone to use
*
* @throws java.sql.SQLException
* if a database access error occurs
*/
private void setTimeInternal(int parameterIndex, Time x, Calendar targetCalendar,
TimeZone tz,
boolean rollForward) throws java.sql.SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (x == null) {
setNull(parameterIndex, java.sql.Types.TIME);
} else {
checkClosed();
if (!this.useLegacyDatetimeCode) {
newSetTimeInternal(parameterIndex, x, targetCalendar);
} else {
Calendar sessionCalendar = getCalendarInstanceForSessionOrNew();
synchronized (sessionCalendar) {
x = TimeUtil.changeTimezone(this.connection,
sessionCalendar,
targetCalendar,
x, tz, this.connection
.getServerTimezoneTZ(), rollForward);
}
setInternal(parameterIndex, "'" + x.toString() + "'"); //$NON-NLS-1$ //$NON-NLS-2$
}
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.TIME;
}
}
}
/**
* Set a parameter to a java.sql.Timestamp value. The driver converts this
* to a SQL TIMESTAMP value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1, the second is 2, ...
* @param x
* the parameter value
* @param cal
* the calendar specifying the timezone to use
*
* @throws SQLException
* if a database-access error occurs.
*/
public void setTimestamp(int parameterIndex, java.sql.Timestamp x,
Calendar cal) throws SQLException {
setTimestampInternal(parameterIndex, x, cal, cal.getTimeZone(), true);
}
/**
* Set a parameter to a java.sql.Timestamp value. The driver converts this
* to a SQL TIMESTAMP value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @throws java.sql.SQLException
* if a database access error occurs
*/
public void setTimestamp(int parameterIndex, Timestamp x)
throws java.sql.SQLException {
setTimestampInternal(parameterIndex, x, null, Util.getDefaultTimeZone(), false);
}
/**
* Set a parameter to a java.sql.Timestamp value. The driver converts this
* to a SQL TIMESTAMP value when it sends it to the database.
*
* @param parameterIndex
* the first parameter is 1, the second is 2, ...
* @param x
* the parameter value
* @param tz
* the timezone to use
*
* @throws SQLException
* if a database-access error occurs.
*/
private void setTimestampInternal(int parameterIndex,
Timestamp x, Calendar targetCalendar,
TimeZone tz, boolean rollForward) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (x == null) {
setNull(parameterIndex, java.sql.Types.TIMESTAMP);
} else {
checkClosed();
if (!this.useLegacyDatetimeCode) {
newSetTimestampInternal(parameterIndex, x, targetCalendar);
} else {
Calendar sessionCalendar = this.connection.getUseJDBCCompliantTimezoneShift() ?
this.connection.getUtcCalendar() :
getCalendarInstanceForSessionOrNew();
synchronized (sessionCalendar) {
x = TimeUtil.changeTimezone(this.connection,
sessionCalendar,
targetCalendar,
x, tz, this.connection
.getServerTimezoneTZ(), rollForward);
}
if (this.connection.getUseSSPSCompatibleTimezoneShift()) {
doSSPSCompatibleTimezoneShift(parameterIndex, x, sessionCalendar);
} else {
synchronized (this) {
if (this.tsdf == null) {
this.tsdf = new SimpleDateFormat("''yyyy-MM-dd HH:mm:ss", Locale.US); //$NON-NLS-1$
}
StringBuffer buf = new StringBuffer();
buf.append(this.tsdf.format(x));
if (this.serverSupportsFracSecs) {
int nanos = x.getNanos();
if (nanos != 0) {
buf.append('.');
buf.append(TimeUtil.formatNanos(nanos, this.serverSupportsFracSecs));
}
}
buf.append('\'');
setInternal(parameterIndex, buf.toString()); // SimpleDateFormat is not
// thread-safe
}
}
}
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.TIMESTAMP;
}
}
}
private void newSetTimestampInternal(int parameterIndex,
Timestamp x, Calendar targetCalendar) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (this.tsdf == null) {
this.tsdf = new SimpleDateFormat("''yyyy-MM-dd HH:mm:ss", Locale.US); //$NON-NLS-1$
}
String timestampString = null;
if (targetCalendar != null) {
targetCalendar.setTime(x);
this.tsdf.setTimeZone(targetCalendar.getTimeZone());
timestampString = this.tsdf.format(x);
} else {
this.tsdf.setTimeZone(this.connection.getServerTimezoneTZ());
timestampString = this.tsdf.format(x);
}
StringBuffer buf = new StringBuffer();
buf.append(timestampString);
buf.append('.');
buf.append(TimeUtil.formatNanos(x.getNanos(), this.serverSupportsFracSecs));
buf.append('\'');
setInternal(parameterIndex, buf.toString());
}
}
private void newSetTimeInternal(int parameterIndex,
Time x, Calendar targetCalendar) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (this.tdf == null) {
this.tdf = new SimpleDateFormat("''HH:mm:ss''", Locale.US); //$NON-NLS-1$
}
String timeString = null;
if (targetCalendar != null) {
targetCalendar.setTime(x);
this.tdf.setTimeZone(targetCalendar.getTimeZone());
timeString = this.tdf.format(x);
} else {
this.tdf.setTimeZone(this.connection.getServerTimezoneTZ());
timeString = this.tdf.format(x);
}
setInternal(parameterIndex, timeString);
}
}
private void newSetDateInternal(int parameterIndex,
Date x, Calendar targetCalendar) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (this.ddf == null) {
this.ddf = new SimpleDateFormat("''yyyy-MM-dd''", Locale.US); //$NON-NLS-1$
}
String timeString = null;
if (targetCalendar != null) {
targetCalendar.setTime(x);
this.ddf.setTimeZone(targetCalendar.getTimeZone());
timeString = this.ddf.format(x);
} else {
this.ddf.setTimeZone(this.connection.getServerTimezoneTZ());
timeString = this.ddf.format(x);
}
setInternal(parameterIndex, timeString);
}
}
private void doSSPSCompatibleTimezoneShift(int parameterIndex, Timestamp x, Calendar sessionCalendar) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
Calendar sessionCalendar2 = (this.connection
.getUseJDBCCompliantTimezoneShift()) ? this.connection
.getUtcCalendar()
: getCalendarInstanceForSessionOrNew();
synchronized (sessionCalendar2) {
java.util.Date oldTime = sessionCalendar2.getTime();
try {
sessionCalendar2.setTime(x);
int year = sessionCalendar2.get(Calendar.YEAR);
int month = sessionCalendar2.get(Calendar.MONTH) + 1;
int date = sessionCalendar2.get(Calendar.DAY_OF_MONTH);
int hour = sessionCalendar2.get(Calendar.HOUR_OF_DAY);
int minute = sessionCalendar2.get(Calendar.MINUTE);
int seconds = sessionCalendar2.get(Calendar.SECOND);
StringBuffer tsBuf = new StringBuffer();
tsBuf.append('\'');
tsBuf.append(year);
tsBuf.append("-");
if (month < 10) {
tsBuf.append('0');
}
tsBuf.append(month);
tsBuf.append('-');
if (date < 10) {
tsBuf.append('0');
}
tsBuf.append(date);
tsBuf.append(' ');
if (hour < 10) {
tsBuf.append('0');
}
tsBuf.append(hour);
tsBuf.append(':');
if (minute < 10) {
tsBuf.append('0');
}
tsBuf.append(minute);
tsBuf.append(':');
if (seconds < 10) {
tsBuf.append('0');
}
tsBuf.append(seconds);
tsBuf.append('.');
tsBuf.append(TimeUtil.formatNanos(x.getNanos(), this.serverSupportsFracSecs));
tsBuf.append('\'');
setInternal(parameterIndex, tsBuf.toString());
} finally {
sessionCalendar.setTime(oldTime);
}
}
}
}
/**
* When a very large Unicode value is input to a LONGVARCHAR parameter, it
* may be more practical to send it via a java.io.InputStream. JDBC will
* read the data from the stream as needed, until it reaches end-of-file.
* The JDBC driver will do any necessary conversion from UNICODE to the
* database char format.
*
* <P>
* <B>Note:</B> This stream object can either be a standard Java stream
* object or your own subclass that implements the standard interface.
* </p>
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
* @param length
* the number of bytes to read from the stream
*
* @throws SQLException
* if a database access error occurs
*
* @deprecated
*/
public void setUnicodeStream(int parameterIndex, InputStream x, int length)
throws SQLException {
if (x == null) {
setNull(parameterIndex, java.sql.Types.VARCHAR);
} else {
setBinaryStream(parameterIndex, x, length);
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.CLOB;
}
}
/**
* @see PreparedStatement#setURL(int, URL)
*/
public void setURL(int parameterIndex, URL arg) throws SQLException {
if (arg != null) {
setString(parameterIndex, arg.toString());
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.DATALINK;
} else {
setNull(parameterIndex, Types.CHAR);
}
}
private final void streamToBytes(Buffer packet, InputStream in,
boolean escape, int streamLength, boolean useLength)
throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
try {
if (streamConvertBuf == null) {
streamConvertBuf = new byte[4096];
}
String connectionEncoding = this.connection.getEncoding();
boolean hexEscape = false;
try {
if (this.connection.isNoBackslashEscapesSet()
|| (this.connection.getUseUnicode()
&& connectionEncoding != null
&& CharsetMapping.isMultibyteCharset(connectionEncoding)
&& !this.connection.parserKnowsUnicode())) {
hexEscape = true;
}
} catch (RuntimeException ex) {
SQLException sqlEx = SQLError.createSQLException(ex.toString(), SQLError.SQL_STATE_ILLEGAL_ARGUMENT, null);
sqlEx.initCause(ex);
throw sqlEx;
}
if (streamLength == -1) {
useLength = false;
}
int bc = -1;
if (useLength) {
bc = readblock(in, streamConvertBuf, streamLength);
} else {
bc = readblock(in, streamConvertBuf);
}
int lengthLeftToRead = streamLength - bc;
if (hexEscape) {
packet.writeStringNoNull("x");
} else if (this.connection.getIO().versionMeetsMinimum(4, 1, 0)) {
packet.writeStringNoNull("_binary");
}
if (escape) {
packet.writeByte((byte) '\'');
}
while (bc > 0) {
if (hexEscape) {
hexEscapeBlock(streamConvertBuf, packet, bc);
} else if (escape) {
escapeblockFast(streamConvertBuf, packet, bc);
} else {
packet.writeBytesNoNull(streamConvertBuf, 0, bc);
}
if (useLength) {
bc = readblock(in, streamConvertBuf, lengthLeftToRead);
if (bc > 0) {
lengthLeftToRead -= bc;
}
} else {
bc = readblock(in, streamConvertBuf);
}
}
if (escape) {
packet.writeByte((byte) '\'');
}
} finally {
if (this.connection.getAutoClosePStmtStreams()) {
try {
in.close();
} catch (IOException ioEx) {
;
}
in = null;
}
}
}
}
private final byte[] streamToBytes(InputStream in, boolean escape,
int streamLength, boolean useLength) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
try {
if (streamConvertBuf == null) {
streamConvertBuf = new byte[4096];
}
if (streamLength == -1) {
useLength = false;
}
ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
int bc = -1;
if (useLength) {
bc = readblock(in, this.streamConvertBuf, streamLength);
} else {
bc = readblock(in, this.streamConvertBuf);
}
int lengthLeftToRead = streamLength - bc;
if (escape) {
if (this.connection.versionMeetsMinimum(4, 1, 0)) {
bytesOut.write('_');
bytesOut.write('b');
bytesOut.write('i');
bytesOut.write('n');
bytesOut.write('a');
bytesOut.write('r');
bytesOut.write('y');
}
bytesOut.write('\'');
}
while (bc > 0) {
if (escape) {
escapeblockFast(this.streamConvertBuf, bytesOut, bc);
} else {
bytesOut.write(this.streamConvertBuf, 0, bc);
}
if (useLength) {
bc = readblock(in, this.streamConvertBuf, lengthLeftToRead);
if (bc > 0) {
lengthLeftToRead -= bc;
}
} else {
bc = readblock(in, this.streamConvertBuf);
}
}
if (escape) {
bytesOut.write('\'');
}
return bytesOut.toByteArray();
} finally {
if (this.connection.getAutoClosePStmtStreams()) {
try {
in.close();
} catch (IOException ioEx) {
;
}
in = null;
}
}
}
}
/**
* Returns this PreparedStatement represented as a string.
*
* @return this PreparedStatement represented as a string.
*/
public String toString() {
StringBuffer buf = new StringBuffer();
buf.append(super.toString());
buf.append(": "); //$NON-NLS-1$
try {
buf.append(asSql());
} catch (SQLException sqlEx) {
buf.append("EXCEPTION: " + sqlEx.toString());
}
return buf.toString();
}
/**
* For calling stored functions, this will be -1 as we don't really count
* the first '?' parameter marker, it's only syntax, but JDBC counts it
* as #1, otherwise it will return 0
*
*/
protected int getParameterIndexOffset() {
return 0;
}
public void setAsciiStream(int parameterIndex, InputStream x) throws SQLException {
setAsciiStream(parameterIndex, x, -1);
}
public void setAsciiStream(int parameterIndex, InputStream x, long length) throws SQLException {
setAsciiStream(parameterIndex, x, (int)length);
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = Types.CLOB;
}
public void setBinaryStream(int parameterIndex, InputStream x) throws SQLException {
setBinaryStream(parameterIndex, x, -1);
}
public void setBinaryStream(int parameterIndex, InputStream x, long length) throws SQLException {
setBinaryStream(parameterIndex, x, (int)length);
}
public void setBlob(int parameterIndex, InputStream inputStream) throws SQLException {
setBinaryStream(parameterIndex, inputStream);
}
public void setCharacterStream(int parameterIndex, Reader reader) throws SQLException {
setCharacterStream(parameterIndex, reader, -1);
}
public void setCharacterStream(int parameterIndex, Reader reader, long length) throws SQLException {
setCharacterStream(parameterIndex, reader, (int)length);
}
public void setClob(int parameterIndex, Reader reader) throws SQLException {
setCharacterStream(parameterIndex, reader);
}
public void setClob(int parameterIndex, Reader reader, long length)
throws SQLException {
setCharacterStream(parameterIndex, reader, length);
}
public void setNCharacterStream(int parameterIndex, Reader value) throws SQLException {
setNCharacterStream(parameterIndex, value, -1);
}
/**
* Set a parameter to a Java String value. The driver converts this to a SQL
* VARCHAR or LONGVARCHAR value with introducer _utf8 (depending on the
* arguments size relative to the driver's limits on VARCHARs) when it sends
* it to the database. If charset is set as utf8, this method just call setString.
*
* @param parameterIndex
* the first parameter is 1...
* @param x
* the parameter value
*
* @exception SQLException
* if a database access error occurs
*/
public void setNString(int parameterIndex, String x) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
if (this.charEncoding.equalsIgnoreCase("UTF-8")
|| this.charEncoding.equalsIgnoreCase("utf8")) {
setString(parameterIndex, x);
return;
}
// if the passed string is null, then set this column to null
if (x == null) {
setNull(parameterIndex, java.sql.Types.CHAR);
} else {
int stringLength = x.length();
// Ignore sql_mode=NO_BACKSLASH_ESCAPES in current implementation.
// Add introducer _utf8 for NATIONAL CHARACTER
StringBuffer buf = new StringBuffer((int) (x.length() * 1.1 + 4));
buf.append("_utf8");
buf.append('\'');
//
// Note: buf.append(char) is _faster_ than
// appending in blocks, because the block
// append requires a System.arraycopy()....
// go figure...
//
for (int i = 0; i < stringLength; ++i) {
char c = x.charAt(i);
switch (c) {
case 0: /* Must be escaped for 'mysql' */
buf.append('\\');
buf.append('0');
break;
case '\n': /* Must be escaped for logs */
buf.append('\\');
buf.append('n');
break;
case '\r':
buf.append('\\');
buf.append('r');
break;
case '\\':
buf.append('\\');
buf.append('\\');
break;
case '\'':
buf.append('\\');
buf.append('\'');
break;
case '"': /* Better safe than sorry */
if (this.usingAnsiMode) {
buf.append('\\');
}
buf.append('"');
break;
case '\032': /* This gives problems on Win32 */
buf.append('\\');
buf.append('Z');
break;
default:
buf.append(c);
}
}
buf.append('\'');
String parameterAsString = buf.toString();
byte[] parameterAsBytes = null;
if (!this.isLoadDataQuery) {
parameterAsBytes = StringUtils.getBytes(parameterAsString,
this.connection.getCharsetConverter("UTF-8"), "UTF-8",
this.connection.getServerCharacterEncoding(),
this.connection.parserKnowsUnicode(), getExceptionInterceptor());
} else {
// Send with platform character encoding
parameterAsBytes = StringUtils.getBytes(parameterAsString);
}
setInternal(parameterIndex, parameterAsBytes);
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = -9; /* Types.NVARCHAR */
}
}
}
/**
* JDBC 2.0 When a very large UNICODE value is input to a LONGVARCHAR
* parameter, it may be more practical to send it via a java.io.Reader. JDBC
* will read the data from the stream as needed, until it reaches
* end-of-file. The JDBC driver will do any necessary conversion from
* UNICODE to the database char format.
*
* <P>
* <B>Note:</B> This stream object can either be a standard Java stream
* object or your own subclass that implements the standard interface.
* </p>
*
* @param parameterIndex
* the first parameter is 1, the second is 2, ...
* @param reader
* the java reader which contains the UNICODE data
* @param length
* the number of characters in the stream
*
* @exception SQLException
* if a database-access error occurs.
*/
public void setNCharacterStream(int parameterIndex, Reader reader,
long length) throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
try {
if (reader == null) {
setNull(parameterIndex, java.sql.Types.LONGVARCHAR);
} else {
char[] c = null;
int len = 0;
boolean useLength = this.connection
.getUseStreamLengthsInPrepStmts();
// Ignore "clobCharacterEncoding" because utf8 should be used this time.
if (useLength && (length != -1)) {
c = new char[(int) length]; // can't take more than Integer.MAX_VALUE
int numCharsRead = readFully(reader, c, (int) length); // blocks
// until
// all
// read
setNString(parameterIndex, new String(c, 0, numCharsRead));
} else {
c = new char[4096];
StringBuffer buf = new StringBuffer();
while ((len = reader.read(c)) != -1) {
buf.append(c, 0, len);
}
setNString(parameterIndex, buf.toString());
}
this.parameterTypes[parameterIndex - 1 + getParameterIndexOffset()] = 2011; /* Types.NCLOB */
}
} catch (java.io.IOException ioEx) {
throw SQLError.createSQLException(ioEx.toString(),
SQLError.SQL_STATE_GENERAL_ERROR, getExceptionInterceptor());
}
}
}
public void setNClob(int parameterIndex, Reader reader) throws SQLException {
setNCharacterStream(parameterIndex, reader);
}
/**
* JDBC 4.0 Set a NCLOB parameter.
*
* @param parameterIndex
* the first parameter is 1, the second is 2, ...
* @param reader
* the java reader which contains the UNICODE data
* @param length
* the number of characters in the stream
*
* @throws SQLException
* if a database error occurs
*/
public void setNClob(int parameterIndex, Reader reader, long length)
throws SQLException {
if (reader == null) {
setNull(parameterIndex, java.sql.Types.LONGVARCHAR);
} else {
setNCharacterStream(parameterIndex, reader, length);
}
}
public ParameterBindings getParameterBindings() throws SQLException {
synchronized (checkClosed().getConnectionMutex()) {
return new EmulatedPreparedStatementBindings();
}
}
class EmulatedPreparedStatementBindings implements ParameterBindings {
private ResultSetImpl bindingsAsRs;
private boolean[] parameterIsNull;
EmulatedPreparedStatementBindings() throws SQLException {
List<ResultSetRow> rows = new ArrayList<ResultSetRow>();
parameterIsNull = new boolean[parameterCount];
System
.arraycopy(isNull, 0, this.parameterIsNull, 0,
parameterCount);
byte[][] rowData = new byte[parameterCount][];
Field[] typeMetadata = new Field[parameterCount];
for (int i = 0; i < parameterCount; i++) {
if (batchCommandIndex == -1)
rowData[i] = getBytesRepresentation(i);
else
rowData[i] = getBytesRepresentationForBatch(i, batchCommandIndex);
int charsetIndex = 0;
if (parameterTypes[i] == Types.BINARY
|| parameterTypes[i] == Types.BLOB) {
charsetIndex = 63;
} else {
try {
String mysqlEncodingName = CharsetMapping
.getMysqlEncodingForJavaEncoding(connection
.getEncoding(), connection);
charsetIndex = CharsetMapping
.getCharsetIndexForMysqlEncodingName(mysqlEncodingName);
} catch (SQLException ex) {
throw ex;
} catch (RuntimeException ex) {
SQLException sqlEx = SQLError.createSQLException(ex.toString(), SQLError.SQL_STATE_ILLEGAL_ARGUMENT, null);
sqlEx.initCause(ex);
throw sqlEx;
}
}
Field parameterMetadata = new Field(null, "parameter_"
+ (i + 1), charsetIndex, parameterTypes[i],
rowData[i].length);
parameterMetadata.setConnection(connection);
typeMetadata[i] = parameterMetadata;
}
rows.add(new ByteArrayRow(rowData, getExceptionInterceptor()));
this.bindingsAsRs = new ResultSetImpl(connection.getCatalog(),
typeMetadata, new RowDataStatic(rows), connection, null);
this.bindingsAsRs.next();
}
public Array getArray(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getArray(parameterIndex);
}
public InputStream getAsciiStream(int parameterIndex)
throws SQLException {
return this.bindingsAsRs.getAsciiStream(parameterIndex);
}
public BigDecimal getBigDecimal(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getBigDecimal(parameterIndex);
}
public InputStream getBinaryStream(int parameterIndex)
throws SQLException {
return this.bindingsAsRs.getBinaryStream(parameterIndex);
}
public java.sql.Blob getBlob(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getBlob(parameterIndex);
}
public boolean getBoolean(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getBoolean(parameterIndex);
}
public byte getByte(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getByte(parameterIndex);
}
public byte[] getBytes(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getBytes(parameterIndex);
}
public Reader getCharacterStream(int parameterIndex)
throws SQLException {
return this.bindingsAsRs.getCharacterStream(parameterIndex);
}
public java.sql.Clob getClob(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getClob(parameterIndex);
}
public Date getDate(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getDate(parameterIndex);
}
public double getDouble(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getDouble(parameterIndex);
}
public float getFloat(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getFloat(parameterIndex);
}
public int getInt(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getInt(parameterIndex);
}
public long getLong(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getLong(parameterIndex);
}
public Reader getNCharacterStream(int parameterIndex)
throws SQLException {
return this.bindingsAsRs.getCharacterStream(parameterIndex);
}
public Reader getNClob(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getCharacterStream(parameterIndex);
}
public Object getObject(int parameterIndex) throws SQLException {
checkBounds(parameterIndex, 0);
if (parameterIsNull[parameterIndex - 1]) {
return null;
}
// we can't rely on the default mapping for JDBC's
// ResultSet.getObject() for numerics, they're not one-to-one with
// PreparedStatement.setObject
switch (parameterTypes[parameterIndex - 1]) {
case Types.TINYINT:
return Byte.valueOf(getByte(parameterIndex));
case Types.SMALLINT:
return Short.valueOf(getShort(parameterIndex));
case Types.INTEGER:
return Integer.valueOf(getInt(parameterIndex));
case Types.BIGINT:
return Long.valueOf(getLong(parameterIndex));
case Types.FLOAT:
return Float.valueOf(getFloat(parameterIndex));
case Types.DOUBLE:
return Double.valueOf(getDouble(parameterIndex));
default:
return this.bindingsAsRs.getObject(parameterIndex);
}
}
public Ref getRef(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getRef(parameterIndex);
}
public short getShort(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getShort(parameterIndex);
}
public String getString(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getString(parameterIndex);
}
public Time getTime(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getTime(parameterIndex);
}
public Timestamp getTimestamp(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getTimestamp(parameterIndex);
}
public URL getURL(int parameterIndex) throws SQLException {
return this.bindingsAsRs.getURL(parameterIndex);
}
public boolean isNull(int parameterIndex) throws SQLException {
checkBounds(parameterIndex, 0);
return this.parameterIsNull[parameterIndex -1];
}
}
public String getPreparedSql() {
try {
synchronized (checkClosed().getConnectionMutex()) {
if (this.rewrittenBatchSize == 0) {
return this.originalSql;
}
try {
return this.parseInfo.getSqlForBatch(this.parseInfo);
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
} catch (SQLException e) {
throw new RuntimeException(e); // FIXME: evolve public interface
}
}
public int getUpdateCount() throws SQLException {
int count = super.getUpdateCount();
if (containsOnDuplicateKeyUpdateInSQL() &&
this.compensateForOnDuplicateKeyUpdate) {
if (count == 2 || count == 0) {
count = 1;
}
}
return count;
}
protected static boolean canRewrite(String sql, boolean isOnDuplicateKeyUpdate, int locationOfOnDuplicateKeyUpdate, int statementStartPos) {
// Needs to be INSERT, can't have INSERT ... SELECT or
// INSERT ... ON DUPLICATE KEY UPDATE with an id=LAST_INSERT_ID(...)
boolean rewritableOdku = true;
if (isOnDuplicateKeyUpdate) {
int updateClausePos = StringUtils.indexOfIgnoreCase(
locationOfOnDuplicateKeyUpdate, sql, " UPDATE ");
if (updateClausePos != -1) {
rewritableOdku = StringUtils
.indexOfIgnoreCaseRespectMarker(updateClausePos,
sql, "LAST_INSERT_ID", "\"'`", "\"'`",
false) == -1;
}
}
return StringUtils
.startsWithIgnoreCaseAndWs(sql, "INSERT",
statementStartPos)
&& StringUtils.indexOfIgnoreCaseRespectMarker(
statementStartPos, sql, "SELECT", "\"'`",
"\"'`", false) == -1 && rewritableOdku;
}
}