/*
Copyright (c) 2007, 2012, 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.InputStream;
import java.io.Reader;
import java.sql.Date;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Time;
import java.sql.Timestamp;
import java.sql.Types;
import java.util.Calendar;
import java.util.StringTokenizer;
import java.util.TimeZone;
/**
* Classes that implement this interface represent one row of data from the
* MySQL server that might be stored in different ways depending on whether the
* result set was streaming (so they wrap a reusable packet), or whether the
* result set was cached or via a server-side cursor (so they represent a
* byte[][]).
*
* Notice that <strong>no</strong> bounds checking is expected for implementors
* of this interface, it happens in ResultSetImpl.
*
* @version $Id: $
*/
public abstract class ResultSetRow {
protected ExceptionInterceptor exceptionInterceptor;
protected ResultSetRow(ExceptionInterceptor exceptionInterceptor) {
this.exceptionInterceptor = exceptionInterceptor;
}
/**
* The metadata of the fields of this result set.
*/
protected Field[] metadata;
/**
* Called during navigation to next row to close all open
* streams.
*/
public abstract void closeOpenStreams();
/**
* Returns data at the given index as an InputStream with no
* character conversion.
*
* @param columnIndex
* of the column value (starting at 0) to return.
* @return the value at the given index as an InputStream or null
* if null.
*
* @throws SQLException if an error occurs while retrieving the value.
*/
public abstract InputStream getBinaryInputStream(int columnIndex)
throws SQLException;
/**
* Returns the value at the given column (index starts at 0) "raw" (i.e.
* as-returned by the server).
*
* @param index
* of the column value (starting at 0) to return.
* @return the value for the given column (including NULL if it is)
* @throws SQLException
* if an error occurs while retrieving the value.
*/
public abstract byte[] getColumnValue(int index) throws SQLException;
protected final java.sql.Date getDateFast(int columnIndex,
byte[] dateAsBytes, int offset, int length, MySQLConnection conn,
ResultSetImpl rs, Calendar targetCalendar) throws SQLException {
int year = 0;
int month = 0;
int day = 0;
try {
if (dateAsBytes == null) {
return null;
}
boolean allZeroDate = true;
boolean onlyTimePresent = false;
for (int i = 0; i < length; i++) {
if (dateAsBytes[offset + i] == ':') {
onlyTimePresent = true;
break;
}
}
for (int i = 0; i < length; i++) {
byte b = dateAsBytes[offset + i];
if (b == ' ' || b == '-' || b == '/') {
onlyTimePresent = false;
}
if (b != '0' && b != ' ' && b != ':' && b != '-' && b != '/'
&& b != '.') {
allZeroDate = false;
break;
}
}
if (!onlyTimePresent && allZeroDate) {
if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_CONVERT_TO_NULL
.equals(conn.getZeroDateTimeBehavior())) {
return null;
} else if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_EXCEPTION
.equals(conn.getZeroDateTimeBehavior())) {
throw SQLError.createSQLException("Value '"
+ StringUtils.toString(dateAsBytes)
+ "' can not be represented as java.sql.Date",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor);
}
// We're left with the case of 'round' to a date Java _can_
// represent, which is '0001-01-01'.
return rs.fastDateCreate(targetCalendar, 1, 1, 1);
} else if (this.metadata[columnIndex].getMysqlType() == MysqlDefs.FIELD_TYPE_TIMESTAMP) {
// Convert from TIMESTAMP
switch (length) {
case 29:
case 21:
case 19: { // java.sql.Timestamp format
year = StringUtils.getInt(dateAsBytes, offset + 0,
offset + 4);
month = StringUtils.getInt(dateAsBytes, offset + 5,
offset + 7);
day = StringUtils.getInt(dateAsBytes, offset + 8,
offset + 10);
return rs.fastDateCreate(targetCalendar, year, month, day);
}
case 14:
case 8: {
year = StringUtils.getInt(dateAsBytes, offset + 0,
offset + 4);
month = StringUtils.getInt(dateAsBytes, offset + 4,
offset + 6);
day = StringUtils.getInt(dateAsBytes, offset + 6,
offset + 8);
return rs.fastDateCreate(targetCalendar, year, month, day);
}
case 12:
case 10:
case 6: {
year = StringUtils.getInt(dateAsBytes, offset + 0,
offset + 2);
if (year <= 69) {
year = year + 100;
}
month = StringUtils.getInt(dateAsBytes, offset + 2,
offset + 4);
day = StringUtils.getInt(dateAsBytes, offset + 4,
offset + 6);
return rs.fastDateCreate(targetCalendar, year + 1900, month, day);
}
case 4: {
year = StringUtils.getInt(dateAsBytes, offset + 0,
offset + 4);
if (year <= 69) {
year = year + 100;
}
month = StringUtils.getInt(dateAsBytes, offset + 2,
offset + 4);
return rs.fastDateCreate(targetCalendar, year + 1900, month, 1);
}
case 2: {
year = StringUtils.getInt(dateAsBytes, offset + 0,
offset + 2);
if (year <= 69) {
year = year + 100;
}
return rs.fastDateCreate(targetCalendar, year + 1900, 1, 1);
}
default:
throw SQLError
.createSQLException(
Messages
.getString(
"ResultSet.Bad_format_for_Date",
new Object[] {
StringUtils.toString(
dateAsBytes),
Integer.valueOf(columnIndex + 1) }),
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor); //$NON-NLS-1$
} /* endswitch */
} else if (this.metadata[columnIndex].getMysqlType() == MysqlDefs.FIELD_TYPE_YEAR) {
if (length == 2 || length == 1) {
year = StringUtils.getInt(dateAsBytes, offset, offset
+ length);
if (year <= 69) {
year = year + 100;
}
year += 1900;
} else {
year = StringUtils.getInt(dateAsBytes, offset + 0,
offset + 4);
}
return rs.fastDateCreate(targetCalendar, year, 1, 1);
} else if (this.metadata[columnIndex].getMysqlType() == MysqlDefs.FIELD_TYPE_TIME) {
return rs.fastDateCreate(targetCalendar, 1970, 1, 1); // Return EPOCH
} else {
if (length < 10) {
if (length == 8) {
return rs.fastDateCreate(targetCalendar, 1970, 1, 1); // Return
// EPOCH for
// TIME
}
throw SQLError
.createSQLException(
Messages
.getString(
"ResultSet.Bad_format_for_Date",
new Object[] {
StringUtils.toString(
dateAsBytes),
Integer.valueOf(columnIndex + 1) }),
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor); //$NON-NLS-1$
}
if (length != 18) {
year = StringUtils.getInt(dateAsBytes, offset + 0,
offset + 4);
month = StringUtils.getInt(dateAsBytes, offset + 5,
offset + 7);
day = StringUtils.getInt(dateAsBytes, offset + 8,
offset + 10);
} else {
// JDK-1.3 timestamp format, not real easy to parse
// positionally :p
StringTokenizer st = new StringTokenizer(StringUtils.toString(
dateAsBytes, offset, length, "ISO8859_1"), "- ");
year = Integer.parseInt(st.nextToken());
month = Integer.parseInt(st.nextToken());
day = Integer.parseInt(st.nextToken());
}
}
return rs.fastDateCreate(targetCalendar, year, month, day);
} catch (SQLException sqlEx) {
throw sqlEx; // don't re-wrap
} catch (Exception e) {
SQLException sqlEx = SQLError.createSQLException(Messages.getString(
"ResultSet.Bad_format_for_Date", new Object[] {
StringUtils.toString(dateAsBytes),
Integer.valueOf(columnIndex + 1) }),
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor); //$NON-NLS-1$
sqlEx.initCause(e);
throw sqlEx;
}
}
public abstract java.sql.Date getDateFast(int columnIndex,
MySQLConnection conn, ResultSetImpl rs, Calendar targetCalendar) throws SQLException;
/**
* Returns the value at the given column (index starts at 0) as an int. *
*
* @param index
* of the column value (starting at 0) to return.
* @return the value for the given column (returns 0 if NULL, use isNull()
* to determine if the value was actually NULL)
* @throws SQLException
* if an error occurs while retrieving the value.
*/
public abstract int getInt(int columnIndex) throws SQLException;
/**
* Returns the value at the given column (index starts at 0) as a long. *
*
* @param index
* of the column value (starting at 0) to return.
* @return the value for the given column (returns 0 if NULL, use isNull()
* to determine if the value was actually NULL)
* @throws SQLException
* if an error occurs while retrieving the value.
*/
public abstract long getLong(int columnIndex) throws SQLException;
/**
*
* @param columnIndex
* @param bits
* @param offset
* @param length
* @param conn
* @param rs
* @param cal
* @return
* @throws SQLException
*/
protected java.sql.Date getNativeDate(int columnIndex, byte[] bits,
int offset, int length, MySQLConnection conn, ResultSetImpl rs, Calendar cal)
throws SQLException {
int year = 0;
int month = 0;
int day = 0;
if (length != 0) {
year = (bits[offset + 0] & 0xff) | ((bits[offset + 1] & 0xff) << 8);
month = bits[offset + 2];
day = bits[offset + 3];
}
if (length == 0 || ((year == 0) && (month == 0) && (day == 0))) {
if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_CONVERT_TO_NULL
.equals(conn.getZeroDateTimeBehavior())) {
return null;
} else if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_EXCEPTION
.equals(conn.getZeroDateTimeBehavior())) {
throw SQLError
.createSQLException(
"Value '0000-00-00' can not be represented as java.sql.Date",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor);
}
year = 1;
month = 1;
day = 1;
}
if (!rs.useLegacyDatetimeCode) {
return TimeUtil.fastDateCreate(year, month, day, cal);
}
return rs.fastDateCreate(cal == null ? rs.getCalendarInstanceForSessionOrNew() : cal, year,
month, day);
}
public abstract Date getNativeDate(int columnIndex, MySQLConnection conn,
ResultSetImpl rs, Calendar cal) throws SQLException;
protected Object getNativeDateTimeValue(int columnIndex, byte[] bits,
int offset, int length, Calendar targetCalendar, int jdbcType,
int mysqlType, TimeZone tz, boolean rollForward, MySQLConnection conn,
ResultSetImpl rs) throws SQLException {
int year = 0;
int month = 0;
int day = 0;
int hour = 0;
int minute = 0;
int seconds = 0;
int nanos = 0;
if (bits == null) {
return null;
}
Calendar sessionCalendar = conn.getUseJDBCCompliantTimezoneShift() ? conn
.getUtcCalendar()
: rs.getCalendarInstanceForSessionOrNew();
boolean populatedFromDateTimeValue = false;
switch (mysqlType) {
case MysqlDefs.FIELD_TYPE_DATETIME:
case MysqlDefs.FIELD_TYPE_TIMESTAMP:
populatedFromDateTimeValue = true;
if (length != 0) {
year = (bits[offset + 0] & 0xff)
| ((bits[offset + 1] & 0xff) << 8);
month = bits[offset + 2];
day = bits[offset + 3];
if (length > 4) {
hour = bits[offset + 4];
minute = bits[offset + 5];
seconds = bits[offset + 6];
}
if (length > 7) {
// MySQL uses microseconds
nanos = ((bits[offset + 7] & 0xff)
| ((bits[offset + 8] & 0xff) << 8)
| ((bits[offset + 9] & 0xff) << 16) | ((bits[offset + 10] & 0xff) << 24)) * 1000;
}
}
break;
case MysqlDefs.FIELD_TYPE_DATE:
populatedFromDateTimeValue = true;
if (bits.length != 0) {
year = (bits[offset + 0] & 0xff)
| ((bits[offset + 1] & 0xff) << 8);
month = bits[offset + 2];
day = bits[offset + 3];
}
break;
case MysqlDefs.FIELD_TYPE_TIME:
populatedFromDateTimeValue = true;
if (bits.length != 0) {
// bits[0] // skip tm->neg
// binaryData.readLong(); // skip daysPart
hour = bits[offset + 5];
minute = bits[offset + 6];
seconds = bits[offset + 7];
}
year = 1970;
month = 1;
day = 1;
break;
default:
populatedFromDateTimeValue = false;
}
switch (jdbcType) {
case Types.TIME:
if (populatedFromDateTimeValue) {
if (!rs.useLegacyDatetimeCode) {
return TimeUtil.fastTimeCreate(hour, minute, seconds, targetCalendar, this.exceptionInterceptor);
}
Time time = TimeUtil.fastTimeCreate(rs
.getCalendarInstanceForSessionOrNew(), hour, minute,
seconds, this.exceptionInterceptor);
Time adjustedTime = TimeUtil.changeTimezone(conn,
sessionCalendar, targetCalendar, time, conn
.getServerTimezoneTZ(), tz, rollForward);
return adjustedTime;
}
return rs.getNativeTimeViaParseConversion(columnIndex + 1,
targetCalendar, tz, rollForward);
case Types.DATE:
if (populatedFromDateTimeValue) {
if ((year == 0) && (month == 0) && (day == 0)) {
if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_CONVERT_TO_NULL
.equals(conn.getZeroDateTimeBehavior())) {
return null;
} else if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_EXCEPTION
.equals(conn.getZeroDateTimeBehavior())) {
throw new SQLException(
"Value '0000-00-00' can not be represented as java.sql.Date",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT);
}
year = 1;
month = 1;
day = 1;
}
if (!rs.useLegacyDatetimeCode) {
return TimeUtil.fastDateCreate(year, month, day, targetCalendar);
}
return rs
.fastDateCreate(
rs.getCalendarInstanceForSessionOrNew(), year,
month, day);
}
return rs.getNativeDateViaParseConversion(columnIndex + 1);
case Types.TIMESTAMP:
if (populatedFromDateTimeValue) {
if ((year == 0) && (month == 0) && (day == 0)) {
if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_CONVERT_TO_NULL
.equals(conn.getZeroDateTimeBehavior())) {
return null;
} else if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_EXCEPTION
.equals(conn.getZeroDateTimeBehavior())) {
throw new SQLException(
"Value '0000-00-00' can not be represented as java.sql.Timestamp",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT);
}
year = 1;
month = 1;
day = 1;
}
if (!rs.useLegacyDatetimeCode) {
return TimeUtil.fastTimestampCreate(tz, year, month, day, hour, minute,
seconds, nanos);
}
Timestamp ts = rs.fastTimestampCreate(rs
.getCalendarInstanceForSessionOrNew(), year, month,
day, hour, minute, seconds, nanos);
Timestamp adjustedTs = TimeUtil.changeTimezone(conn,
sessionCalendar, targetCalendar, ts, conn
.getServerTimezoneTZ(), tz, rollForward);
return adjustedTs;
}
return rs.getNativeTimestampViaParseConversion(columnIndex + 1,
targetCalendar, tz, rollForward);
default:
throw new SQLException(
"Internal error - conversion method doesn't support this type",
SQLError.SQL_STATE_GENERAL_ERROR);
}
}
public abstract Object getNativeDateTimeValue(int columnIndex,
Calendar targetCalendar, int jdbcType, int mysqlType,
TimeZone tz, boolean rollForward, MySQLConnection conn, ResultSetImpl rs)
throws SQLException;
protected double getNativeDouble(byte[] bits, int offset) {
long valueAsLong = (bits[offset + 0] & 0xff)
| ((long) (bits[offset + 1] & 0xff) << 8)
| ((long) (bits[offset + 2] & 0xff) << 16)
| ((long) (bits[offset + 3] & 0xff) << 24)
| ((long) (bits[offset + 4] & 0xff) << 32)
| ((long) (bits[offset + 5] & 0xff) << 40)
| ((long) (bits[offset + 6] & 0xff) << 48)
| ((long) (bits[offset + 7] & 0xff) << 56);
return Double.longBitsToDouble(valueAsLong);
}
public abstract double getNativeDouble(int columnIndex) throws SQLException;
protected float getNativeFloat(byte[] bits, int offset) {
int asInt = (bits[offset + 0] & 0xff)
| ((bits[offset + 1] & 0xff) << 8)
| ((bits[offset + 2] & 0xff) << 16)
| ((bits[offset + 3] & 0xff) << 24);
return Float.intBitsToFloat(asInt);
}
public abstract float getNativeFloat(int columnIndex) throws SQLException;
protected int getNativeInt(byte[] bits, int offset) {
int valueAsInt = (bits[offset + 0] & 0xff)
| ((bits[offset + 1] & 0xff) << 8)
| ((bits[offset + 2] & 0xff) << 16)
| ((bits[offset + 3] & 0xff) << 24);
return valueAsInt;
}
public abstract int getNativeInt(int columnIndex) throws SQLException;
protected long getNativeLong(byte[] bits, int offset) {
long valueAsLong = (bits[offset + 0] & 0xff)
| ((long) (bits[offset + 1] & 0xff) << 8)
| ((long) (bits[offset + 2] & 0xff) << 16)
| ((long) (bits[offset + 3] & 0xff) << 24)
| ((long) (bits[offset + 4] & 0xff) << 32)
| ((long) (bits[offset + 5] & 0xff) << 40)
| ((long) (bits[offset + 6] & 0xff) << 48)
| ((long) (bits[offset + 7] & 0xff) << 56);
return valueAsLong;
}
public abstract long getNativeLong(int columnIndex) throws SQLException;
protected short getNativeShort(byte[] bits, int offset) {
short asShort = (short) ((bits[offset + 0] & 0xff) | ((bits[offset + 1] & 0xff) << 8));
return asShort;
}
public abstract short getNativeShort(int columnIndex) throws SQLException;
/**
*
* @param columnIndex
* @param bits
* @param offset
* @param length
* @param targetCalendar
* @param tz
* @param rollForward
* @param conn
* @param rs
* @return
* @throws SQLException
*/
protected Time getNativeTime(int columnIndex, byte[] bits, int offset,
int length, Calendar targetCalendar, TimeZone tz,
boolean rollForward, MySQLConnection conn, ResultSetImpl rs)
throws SQLException {
int hour = 0;
int minute = 0;
int seconds = 0;
if (length != 0) {
// bits[0] // skip tm->neg
// binaryData.readLong(); // skip daysPart
hour = bits[offset + 5];
minute = bits[offset + 6];
seconds = bits[offset + 7];
}
if (!rs.useLegacyDatetimeCode) {
return TimeUtil.fastTimeCreate(hour, minute, seconds, targetCalendar, this.exceptionInterceptor);
}
Calendar sessionCalendar = rs.getCalendarInstanceForSessionOrNew();
synchronized (sessionCalendar) {
Time time = TimeUtil.fastTimeCreate(sessionCalendar, hour, minute,
seconds, this.exceptionInterceptor);
Time adjustedTime = TimeUtil.changeTimezone(conn, sessionCalendar,
targetCalendar, time, conn.getServerTimezoneTZ(), tz,
rollForward);
return adjustedTime;
}
}
public abstract Time getNativeTime(int columnIndex,
Calendar targetCalendar, TimeZone tz, boolean rollForward,
MySQLConnection conn, ResultSetImpl rs) throws SQLException;
protected Timestamp getNativeTimestamp(byte[] bits, int offset, int length,
Calendar targetCalendar, TimeZone tz, boolean rollForward,
MySQLConnection conn, ResultSetImpl rs) throws SQLException {
int year = 0;
int month = 0;
int day = 0;
int hour = 0;
int minute = 0;
int seconds = 0;
int nanos = 0;
if (length != 0) {
year = (bits[offset + 0] & 0xff) | ((bits[offset + 1] & 0xff) << 8);
month = bits[offset + 2];
day = bits[offset + 3];
if (length > 4) {
hour = bits[offset + 4];
minute = bits[offset + 5];
seconds = bits[offset + 6];
}
if (length > 7) {
// MySQL uses microseconds
nanos = ((bits[offset + 7] & 0xff)
| ((bits[offset + 8] & 0xff) << 8)
| ((bits[offset + 9] & 0xff) << 16) | ((bits[offset + 10] & 0xff) << 24)) * 1000;
}
}
if (length == 0 || ((year == 0) && (month == 0) && (day == 0))) {
if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_CONVERT_TO_NULL
.equals(conn.getZeroDateTimeBehavior())) {
return null;
} else if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_EXCEPTION
.equals(conn.getZeroDateTimeBehavior())) {
throw SQLError
.createSQLException(
"Value '0000-00-00' can not be represented as java.sql.Timestamp",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor);
}
year = 1;
month = 1;
day = 1;
}
if (!rs.useLegacyDatetimeCode) {
return TimeUtil.fastTimestampCreate(tz, year, month,
day, hour, minute, seconds, nanos);
}
Calendar sessionCalendar = conn.getUseJDBCCompliantTimezoneShift() ? conn
.getUtcCalendar()
: rs.getCalendarInstanceForSessionOrNew();
synchronized (sessionCalendar) {
Timestamp ts = rs.fastTimestampCreate(sessionCalendar, year, month,
day, hour, minute, seconds, nanos);
Timestamp adjustedTs = TimeUtil.changeTimezone(conn,
sessionCalendar, targetCalendar, ts, conn
.getServerTimezoneTZ(), tz, rollForward);
return adjustedTs;
}
}
public abstract Timestamp getNativeTimestamp(int columnIndex,
Calendar targetCalendar, TimeZone tz, boolean rollForward,
MySQLConnection conn, ResultSetImpl rs) throws SQLException;
public abstract Reader getReader(int columnIndex) throws SQLException;
/**
* Returns the value at the given column (index starts at 0) as a
* java.lang.String with the requested encoding, using the given
* MySQLConnection to find character converters.
*
* @param index
* of the column value (starting at 0) to return.
* @param encoding
* the Java name for the character encoding
* @param conn
* the connection that created this result set row
*
* @return the value for the given column (including NULL if it is) as a
* String
*
* @throws SQLException
* if an error occurs while retrieving the value.
*/
public abstract String getString(int index, String encoding,
MySQLConnection conn) throws SQLException;
/**
* Convenience method for turning a byte[] into a string with the given
* encoding.
*
* @param encoding
* the Java encoding name for the byte[] -> char conversion
* @param conn
* the MySQLConnection that created the result set
* @param value
* the String value as a series of bytes, encoded using
* "encoding"
* @param offset
* where to start the decoding
* @param length
* how many bytes to decode
*
* @return the String as decoded from bytes with the given encoding
*
* @throws SQLException
* if an error occurs
*/
protected String getString(String encoding, MySQLConnection conn,
byte[] value, int offset, int length) throws SQLException {
String stringVal = null;
if ((conn != null) && conn.getUseUnicode()) {
try {
if (encoding == null) {
stringVal = StringUtils.toString(value);
} else {
SingleByteCharsetConverter converter = conn
.getCharsetConverter(encoding);
if (converter != null) {
stringVal = converter.toString(value, offset, length);
} else {
stringVal = StringUtils.toString(value, offset, length, encoding);
}
}
} catch (java.io.UnsupportedEncodingException E) {
throw SQLError
.createSQLException(
Messages
.getString("ResultSet.Unsupported_character_encoding____101") //$NON-NLS-1$
+ encoding + "'.", "0S100", this.exceptionInterceptor);
}
} else {
stringVal = StringUtils.toAsciiString(value, offset, length);
}
return stringVal;
}
protected Time getTimeFast(int columnIndex, byte[] timeAsBytes, int offset,
int fullLength, Calendar targetCalendar, TimeZone tz,
boolean rollForward, MySQLConnection conn, ResultSetImpl rs)
throws SQLException {
int hr = 0;
int min = 0;
int sec = 0;
int nanos = 0;
int decimalIndex = -1;
try {
if (timeAsBytes == null) {
return null;
}
boolean allZeroTime = true;
boolean onlyTimePresent = false;
for (int i = 0; i < fullLength; i++) {
if (timeAsBytes[offset + i] == ':') {
onlyTimePresent = true;
break;
}
}
for (int i = 0; i < fullLength; i++) {
if (timeAsBytes[offset + i] == '.') {
decimalIndex = i;
break;
}
}
for (int i = 0; i < fullLength; i++) {
byte b = timeAsBytes[offset + i];
if (b == ' ' || b == '-' || b == '/') {
onlyTimePresent = false;
}
if (b != '0' && b != ' ' && b != ':' && b != '-' && b != '/'
&& b != '.') {
allZeroTime = false;
break;
}
}
if (!onlyTimePresent && allZeroTime) {
if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_CONVERT_TO_NULL
.equals(conn.getZeroDateTimeBehavior())) {
return null;
} else if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_EXCEPTION
.equals(conn.getZeroDateTimeBehavior())) {
throw SQLError.createSQLException("Value '"
+ StringUtils.toString(timeAsBytes)
+ "' can not be represented as java.sql.Time",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor);
}
// We're left with the case of 'round' to a time Java _can_
// represent, which is '00:00:00'
return rs.fastTimeCreate(targetCalendar, 0, 0, 0);
}
Field timeColField = this.metadata[columnIndex];
int length = fullLength;
if (decimalIndex != -1) {
length = decimalIndex;
if ((decimalIndex + 2) <= fullLength) {
nanos = StringUtils.getInt(timeAsBytes, offset + decimalIndex + 1, offset + fullLength);
int numDigits = (fullLength) - (decimalIndex + 1);
if (numDigits < 9) {
int factor = (int)(Math.pow(10, 9 - numDigits));
nanos = nanos * factor;
}
} else {
throw new IllegalArgumentException(); // re-thrown
// further
// down
// with
// a
// much better error message
}
}
if (timeColField.getMysqlType() == MysqlDefs.FIELD_TYPE_TIMESTAMP) {
switch (length) {
case 19: { // YYYY-MM-DD hh:mm:ss
hr = StringUtils.getInt(timeAsBytes, offset + length - 8,
offset + length - 6);
min = StringUtils.getInt(timeAsBytes, offset + length - 5,
offset + length - 3);
sec = StringUtils.getInt(timeAsBytes, offset + length - 2,
offset + length);
}
break;
case 14:
case 12: {
hr = StringUtils.getInt(timeAsBytes, offset + length - 6,
offset + length - 4);
min = StringUtils.getInt(timeAsBytes, offset + length - 4,
offset + length - 2);
sec = StringUtils.getInt(timeAsBytes, offset + length - 2,
offset + length);
}
break;
case 10: {
hr = StringUtils
.getInt(timeAsBytes, offset + 6, offset + 8);
min = StringUtils.getInt(timeAsBytes, offset + 8,
offset + 10);
sec = 0;
}
break;
default:
throw SQLError
.createSQLException(
Messages
.getString("ResultSet.Timestamp_too_small_to_convert_to_Time_value_in_column__257") //$NON-NLS-1$
+ (columnIndex + 1)
+ "("
+ timeColField + ").",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor);
} /* endswitch */
@SuppressWarnings("unused")
SQLWarning precisionLost = new SQLWarning(
Messages
.getString("ResultSet.Precision_lost_converting_TIMESTAMP_to_Time_with_getTime()_on_column__261") //$NON-NLS-1$
+ columnIndex + "(" + timeColField + ").");
/*
* if (this.warningChain == null) { this.warningChain =
* precisionLost; } else {
* this.warningChain.setNextWarning(precisionLost); }
*/
} else if (timeColField.getMysqlType() == MysqlDefs.FIELD_TYPE_DATETIME) {
hr = StringUtils.getInt(timeAsBytes, offset + 11, offset + 13);
min = StringUtils.getInt(timeAsBytes, offset + 14, offset + 16);
sec = StringUtils.getInt(timeAsBytes, offset + 17, offset + 19);
@SuppressWarnings("unused")
SQLWarning precisionLost = new SQLWarning(
Messages
.getString("ResultSet.Precision_lost_converting_DATETIME_to_Time_with_getTime()_on_column__264") //$NON-NLS-1$
+ (columnIndex + 1) + "(" + timeColField + ").");
/*
* if (this.warningChain == null) { this.warningChain =
* precisionLost; } else {
* this.warningChain.setNextWarning(precisionLost); }
*/
} else if (timeColField.getMysqlType() == MysqlDefs.FIELD_TYPE_DATE) {
return rs.fastTimeCreate(null, 0, 0, 0); // midnight on the
// given
// date
} else {
// convert a String to a Time
if ((length != 5) && (length != 8)) {
throw SQLError.createSQLException(Messages
.getString("ResultSet.Bad_format_for_Time____267") //$NON-NLS-1$
+ StringUtils.toString(timeAsBytes)
+ Messages.getString("ResultSet.___in_column__268")
+ (columnIndex + 1),
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor);
}
hr = StringUtils.getInt(timeAsBytes, offset + 0, offset + 2);
min = StringUtils.getInt(timeAsBytes, offset + 3, offset + 5);
sec = (length == 5) ? 0 : StringUtils.getInt(timeAsBytes,
offset + 6, offset + 8);
}
Calendar sessionCalendar = rs.getCalendarInstanceForSessionOrNew();
if (!rs.useLegacyDatetimeCode) {
// TODO: return rs.fastTimeCreate(targetCalendar, hr, min, sec, nanos);
// java.sql.Time doesn't contain fractional part, so PreparedStatement.setTime/getTime can't deal with TIME(n) fractional part.
// There may be better mappings to high-precision time coming in JDBC-5 with the adoption of JSR-310.
return rs.fastTimeCreate(targetCalendar, hr, min, sec);
}
synchronized (sessionCalendar) {
return TimeUtil.changeTimezone(conn, sessionCalendar,
targetCalendar, rs.fastTimeCreate(sessionCalendar, hr,
min, sec), conn.getServerTimezoneTZ(), tz,
rollForward);
// TODO: min, sec, nanos), conn.getServerTimezoneTZ(), tz,
// java.sql.Time doesn't contain fractional part, so PreparedStatement.setTime/getTime can't deal with TIME(n) fractional part.
// There may be better mappings to high-precision time coming in JDBC-5 with the adoption of JSR-310.
}
} catch (RuntimeException ex) {
SQLException sqlEx = SQLError.createSQLException(ex.toString(),
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor);
sqlEx.initCause(ex);
throw sqlEx;
}
}
public abstract Time getTimeFast(int columnIndex, Calendar targetCalendar,
TimeZone tz, boolean rollForward, MySQLConnection conn,
ResultSetImpl rs) throws SQLException;
protected Timestamp getTimestampFast(int columnIndex,
byte[] timestampAsBytes, int offset, int length,
Calendar targetCalendar, TimeZone tz, boolean rollForward,
MySQLConnection conn, ResultSetImpl rs) throws SQLException {
try {
Calendar sessionCalendar = conn.getUseJDBCCompliantTimezoneShift() ? conn
.getUtcCalendar()
: rs.getCalendarInstanceForSessionOrNew();
synchronized (sessionCalendar) {
boolean allZeroTimestamp = true;
boolean onlyTimePresent = false;
for (int i = 0; i < length; i++) {
if (timestampAsBytes[offset + i] == ':') {
onlyTimePresent = true;
break;
}
}
for (int i = 0; i < length; i++) {
byte b = timestampAsBytes[offset + i];
if (b == ' ' || b == '-' || b == '/') {
onlyTimePresent = false;
}
if (b != '0' && b != ' ' && b != ':' && b != '-'
&& b != '/' && b != '.') {
allZeroTimestamp = false;
break;
}
}
if (!onlyTimePresent && allZeroTimestamp) {
if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_CONVERT_TO_NULL
.equals(conn.getZeroDateTimeBehavior())) {
return null;
} else if (ConnectionPropertiesImpl.ZERO_DATETIME_BEHAVIOR_EXCEPTION
.equals(conn.getZeroDateTimeBehavior())) {
throw SQLError
.createSQLException(
"Value '"
+ StringUtils.toString(timestampAsBytes)
+ "' can not be represented as java.sql.Timestamp",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor);
}
if (!rs.useLegacyDatetimeCode) {
return TimeUtil.fastTimestampCreate(tz, 1, 1, 1, 0, 0, 0, 0);
}
// We're left with the case of 'round' to a date Java _can_
// represent, which is '0001-01-01'.
return rs.fastTimestampCreate(null, 1, 1, 1, 0, 0, 0, 0);
} else if (this.metadata[columnIndex].getMysqlType() == MysqlDefs.FIELD_TYPE_YEAR) {
if (!rs.useLegacyDatetimeCode) {
return TimeUtil.fastTimestampCreate(tz, StringUtils
.getInt(timestampAsBytes, offset, 4), 1, 1, 0,
0, 0, 0);
}
return TimeUtil.changeTimezone(conn, sessionCalendar,
targetCalendar, rs.fastTimestampCreate(
sessionCalendar, StringUtils.getInt(
timestampAsBytes, offset, 4), 1, 1,
0, 0, 0, 0), conn.getServerTimezoneTZ(),
tz, rollForward);
} else {
if (timestampAsBytes[offset + length - 1] == '.') {
length--;
}
// Convert from TIMESTAMP or DATE
int year = 0;
int month = 0;
int day = 0;
int hour = 0;
int minutes = 0;
int seconds = 0;
int nanos = 0;
switch (length) {
case 29:
case 26:
case 25:
case 24:
case 23:
case 22:
case 21:
case 20:
case 19: {
year = StringUtils.getInt(timestampAsBytes,
offset + 0, offset + 4);
month = StringUtils.getInt(timestampAsBytes,
offset + 5, offset + 7);
day = StringUtils.getInt(timestampAsBytes,
offset + 8, offset + 10);
hour = StringUtils.getInt(timestampAsBytes,
offset + 11, offset + 13);
minutes = StringUtils.getInt(timestampAsBytes,
offset + 14, offset + 16);
seconds = StringUtils.getInt(timestampAsBytes,
offset + 17, offset + 19);
nanos = 0;
if (length > 19) {
int decimalIndex = -1;
for (int i = 0; i < length; i++) {
if (timestampAsBytes[offset + i] == '.') {
decimalIndex = i;
}
}
if (decimalIndex != -1) {
if ((decimalIndex + 2) <= length) {
nanos = StringUtils.getInt(
timestampAsBytes, offset + decimalIndex + 1,
offset + length);
int numDigits = (length) - (decimalIndex + 1);
if (numDigits < 9) {
int factor = (int)(Math.pow(10, 9 - numDigits));
nanos = nanos * factor;
}
} else {
throw new IllegalArgumentException(); // re-thrown
// further
// down
// with
// a
// much better error message
}
}
}
break;
}
case 14: {
year = StringUtils.getInt(timestampAsBytes,
offset + 0, offset + 4);
month = StringUtils.getInt(timestampAsBytes,
offset + 4, offset + 6);
day = StringUtils.getInt(timestampAsBytes,
offset + 6, offset + 8);
hour = StringUtils.getInt(timestampAsBytes,
offset + 8, offset + 10);
minutes = StringUtils.getInt(timestampAsBytes,
offset + 10, offset + 12);
seconds = StringUtils.getInt(timestampAsBytes,
offset + 12, offset + 14);
break;
}
case 12: {
year = StringUtils.getInt(timestampAsBytes,
offset + 0, offset + 2);
if (year <= 69) {
year = (year + 100);
}
year += 1900;
month = StringUtils.getInt(timestampAsBytes,
offset + 2, offset + 4);
day = StringUtils.getInt(timestampAsBytes,
offset + 4, offset + 6);
hour = StringUtils.getInt(timestampAsBytes,
offset + 6, offset + 8);
minutes = StringUtils.getInt(timestampAsBytes,
offset + 8, offset + 10);
seconds = StringUtils.getInt(timestampAsBytes,
offset + 10, offset + 12);
break;
}
case 10: {
boolean hasDash = false;
for (int i = 0; i < length; i++) {
if (timestampAsBytes[offset + i] == '-') {
hasDash = true;
break;
}
}
if ((this.metadata[columnIndex].getMysqlType() == MysqlDefs.FIELD_TYPE_DATE)
|| hasDash) {
year = StringUtils.getInt(timestampAsBytes,
offset + 0, offset + 4);
month = StringUtils.getInt(timestampAsBytes,
offset + 5, offset + 7);
day = StringUtils.getInt(timestampAsBytes,
offset + 8, offset + 10);
hour = 0;
minutes = 0;
} else {
year = StringUtils.getInt(timestampAsBytes,
offset + 0, offset + 2);
if (year <= 69) {
year = (year + 100);
}
month = StringUtils.getInt(timestampAsBytes,
offset + 2, offset + 4);
day = StringUtils.getInt(timestampAsBytes,
offset + 4, offset + 6);
hour = StringUtils.getInt(timestampAsBytes,
offset + 6, offset + 8);
minutes = StringUtils.getInt(timestampAsBytes,
offset + 8, offset + 10);
year += 1900; // two-digit year
}
break;
}
case 8: {
boolean hasColon = false;
for (int i = 0; i < length; i++) {
if (timestampAsBytes[offset + i] == ':') {
hasColon = true;
break;
}
}
if (hasColon) {
hour = StringUtils.getInt(timestampAsBytes,
offset + 0, offset + 2);
minutes = StringUtils.getInt(timestampAsBytes,
offset + 3, offset + 5);
seconds = StringUtils.getInt(timestampAsBytes,
offset + 6, offset + 8);
year = 1970;
month = 1;
day = 1;
break;
}
year = StringUtils.getInt(timestampAsBytes,
offset + 0, offset + 4);
month = StringUtils.getInt(timestampAsBytes,
offset + 4, offset + 6);
day = StringUtils.getInt(timestampAsBytes,
offset + 6, offset + 8);
year -= 1900;
month--;
break;
}
case 6: {
year = StringUtils.getInt(timestampAsBytes,
offset + 0, offset + 2);
if (year <= 69) {
year = (year + 100);
}
year += 1900;
month = StringUtils.getInt(timestampAsBytes,
offset + 2, offset + 4);
day = StringUtils.getInt(timestampAsBytes,
offset + 4, offset + 6);
break;
}
case 4: {
year = StringUtils.getInt(timestampAsBytes,
offset + 0, offset + 2);
if (year <= 69) {
year = (year + 100);
}
month = StringUtils.getInt(timestampAsBytes,
offset + 2, offset + 4);
day = 1;
break;
}
case 2: {
year = StringUtils.getInt(timestampAsBytes,
offset + 0, offset + 2);
if (year <= 69) {
year = (year + 100);
}
year += 1900;
month = 1;
day = 1;
break;
}
default:
throw new java.sql.SQLException(
"Bad format for Timestamp '"
+ StringUtils.toString(timestampAsBytes)
+ "' in column " + (columnIndex + 1)
+ ".",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT);
}
if (!rs.useLegacyDatetimeCode) {
return TimeUtil.fastTimestampCreate(tz,
year, month,
day, hour, minutes, seconds,
nanos);
}
return TimeUtil
.changeTimezone(conn, sessionCalendar,
targetCalendar, rs.fastTimestampCreate(
sessionCalendar, year, month,
day, hour, minutes, seconds,
nanos), conn
.getServerTimezoneTZ(), tz,
rollForward);
}
}
} catch (RuntimeException e) {
SQLException sqlEx = SQLError.createSQLException("Cannot convert value '"
+ getString(columnIndex, "ISO8859_1", conn)
+ "' from column " + (columnIndex + 1) + " to TIMESTAMP.",
SQLError.SQL_STATE_ILLEGAL_ARGUMENT, this.exceptionInterceptor);
sqlEx.initCause(e);
throw sqlEx;
}
}
public abstract Timestamp getTimestampFast(int columnIndex,
Calendar targetCalendar, TimeZone tz, boolean rollForward,
MySQLConnection conn, ResultSetImpl rs) throws SQLException;
/**
* Could the column value at the given index (which starts at 0) be
* interpreted as a floating-point number (has +/-/E/e in it)?
*
* @param index
* of the column value (starting at 0) to check.
*
* @return true if the column value at the given index looks like it might
* be a floating-point number, false if not.
*
* @throws SQLException
* if an error occurs
*/
public abstract boolean isFloatingPointNumber(int index)
throws SQLException;
/**
* Is the column value at the given index (which starts at 0) NULL?
*
* @param index
* of the column value (starting at 0) to check.
*
* @return true if the column value is NULL, false if not.
*
* @throws SQLException
* if an error occurs
*/
public abstract boolean isNull(int index) throws SQLException;
/**
* Returns the length of the column at the given index (which starts at 0).
*
* @param index
* of the column value (starting at 0) for which to return the
* length.
* @return the length of the requested column, 0 if null (clients of this
* interface should use isNull() beforehand to determine status of
* NULL values in the column).
*
* @throws SQLException
*/
public abstract long length(int index) throws SQLException;
/**
* Sets the given column value (only works currently with
* ByteArrayRowHolder).
*
* @param index
* index of the column value (starting at 0) to set.
* @param value
* the (raw) value to set
*
* @throws SQLException
* if an error occurs, or the concrete RowHolder doesn't support
* this operation.
*/
public abstract void setColumnValue(int index, byte[] value)
throws SQLException;
public ResultSetRow setMetadata(Field[] f) throws SQLException {
this.metadata = f;
return this;
}
public abstract int getBytesSize();
}