/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.translator.phoenix;
import static org.teiid.translator.TypeFacility.RUNTIME_NAMES.DATE;
import static org.teiid.translator.TypeFacility.RUNTIME_NAMES.INTEGER;
import static org.teiid.translator.TypeFacility.RUNTIME_NAMES.OBJECT;
import static org.teiid.translator.TypeFacility.RUNTIME_NAMES.STRING;
import static org.teiid.translator.TypeFacility.RUNTIME_NAMES.TIME;
import static org.teiid.translator.TypeFacility.RUNTIME_NAMES.TIMESTAMP;
import java.math.BigDecimal;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.teiid.core.types.BinaryType;
import org.teiid.core.types.DataTypeManager;
import org.teiid.core.util.Assertion;
import org.teiid.language.ColumnReference;
import org.teiid.language.Command;
import org.teiid.language.DerivedColumn;
import org.teiid.language.DerivedTable;
import org.teiid.language.LanguageObject;
import org.teiid.language.Limit;
import org.teiid.language.Literal;
import org.teiid.language.Select;
import org.teiid.language.SetQuery;
import org.teiid.language.SubqueryComparison;
import org.teiid.language.SubqueryIn;
import org.teiid.language.TableReference;
import org.teiid.language.Comparison.Operator;
import org.teiid.language.SubqueryComparison.Quantifier;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.SourceSystemFunctions;
import org.teiid.translator.Translator;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.TypeFacility;
import org.teiid.translator.jdbc.AliasModifier;
import org.teiid.translator.jdbc.JDBCExecutionFactory;
import org.teiid.translator.jdbc.JDBCMetdataProcessor;
import org.teiid.translator.jdbc.JDBCUpdateExecution;
import org.teiid.util.Version;
@Translator(name="phoenix", description="A translator for Phoenix/HBase")
public class PhoenixExecutionFactory extends JDBCExecutionFactory{
public static String PHOENIX = "phoenix"; //$NON-NLS-1$
public static final Version V_4_8 = Version.getVersion("4.8"); //$NON-NLS-1$
@Override
public void start() throws TranslatorException {
super.start();
registerFunctionModifier(SourceSystemFunctions.SUBSTRING, new AliasModifier("SUBSTR")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.UCASE, new AliasModifier("UPPER")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.LCASE, new AliasModifier("LOWER")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.LOCATE, new AliasModifier("INSTR")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.PARSETIMESTAMP, new AliasModifier("TO_TIMESTAMP")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.CURTIME, new AliasModifier("CURRENT_TIME")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.LOG, new AliasModifier("LN")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.LOG10, new AliasModifier("LOG")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.PARSEBIGDECIMAL, new AliasModifier("TO_NUMBER")); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "REVERSE", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "REGEXP_SUBSTR", STRING, STRING, STRING, INTEGER); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "REGEXP_REPLACE", STRING, STRING, STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "REGEXP_SPLIT", OBJECT, STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "TO_DATE", DATE, STRING, STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "TO_TIME", TIME, STRING, STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "TIMEZONE_OFFSET", INTEGER, STRING, DATE); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "TIMEZONE_OFFSET", INTEGER, STRING, TIME); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "TIMEZONE_OFFSET", INTEGER, STRING, TIMESTAMP); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "CONVERT_TZ", DATE, DATE, STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PHOENIX, "CONVERT_TZ", TIME, TIME, STRING, STRING); //$NON-NLS-1$
}
@Override
public List<String> getSupportedFunctions() {
List<String> supportedFunctions = new ArrayList<String>();
supportedFunctions.addAll(super.getSupportedFunctions());
supportedFunctions.add(SourceSystemFunctions.SUBSTRING);
supportedFunctions.add(SourceSystemFunctions.LOCATE);
supportedFunctions.add(SourceSystemFunctions.TRIM);
supportedFunctions.add(SourceSystemFunctions.LTRIM);
supportedFunctions.add(SourceSystemFunctions.RTRIM);
supportedFunctions.add(SourceSystemFunctions.LPAD);
supportedFunctions.add(SourceSystemFunctions.LENGTH);
supportedFunctions.add(SourceSystemFunctions.UCASE);
supportedFunctions.add(SourceSystemFunctions.LCASE);
supportedFunctions.add(SourceSystemFunctions.PARSETIMESTAMP);
supportedFunctions.add(SourceSystemFunctions.CURTIME);
supportedFunctions.add(SourceSystemFunctions.NOW);
supportedFunctions.add(SourceSystemFunctions.YEAR);
supportedFunctions.add(SourceSystemFunctions.MONTH);
supportedFunctions.add(SourceSystemFunctions.WEEK);
supportedFunctions.add(SourceSystemFunctions.DAYOFMONTH);
supportedFunctions.add(SourceSystemFunctions.HOUR);
supportedFunctions.add(SourceSystemFunctions.MINUTE);
supportedFunctions.add(SourceSystemFunctions.SECOND);
supportedFunctions.add(SourceSystemFunctions.SIGN);
supportedFunctions.add(SourceSystemFunctions.ABS);
supportedFunctions.add(SourceSystemFunctions.SQRT);
supportedFunctions.add(SourceSystemFunctions.EXP);
supportedFunctions.add(SourceSystemFunctions.POWER);
supportedFunctions.add(SourceSystemFunctions.LOG);
supportedFunctions.add(SourceSystemFunctions.LOG10);
supportedFunctions.add(SourceSystemFunctions.RAND);
supportedFunctions.add(SourceSystemFunctions.ROUND);
supportedFunctions.add(SourceSystemFunctions.FLOOR);
supportedFunctions.add(SourceSystemFunctions.PARSEBIGDECIMAL);
return supportedFunctions;
}
@Override
public void initCapabilities(Connection connection) throws TranslatorException {
super.initCapabilities(connection);
// https://phoenix.apache.org/joins.html
if(getVersion().compareTo(V_4_8) >= 0) {
setSupportsInnerJoins(true);
setSupportsOuterJoins(true);
setSupportsFullOuterJoins(true);
}
}
@Override
public JDBCUpdateExecution createUpdateExecution(Command command,
ExecutionContext executionContext, RuntimeMetadata metadata,
Connection conn) throws TranslatorException {
return new PhoenixUpdateExecution(command, executionContext, metadata, conn, this);
}
public PhoenixSQLConversionVisitor getSQLConversionVisitor() {
return new PhoenixSQLConversionVisitor(this);
}
@Override
public void bindValue(PreparedStatement pstmt, Object param, Class<?> paramType, int i) throws SQLException {
int type = TypeFacility.getSQLTypeFromRuntimeType(paramType);
if (param == null) {
pstmt.setNull(i, type);
return;
}
if(paramType.equals(TypeFacility.RUNTIME_TYPES.STRING)) {
pstmt.setString(i, String.valueOf(param));
return;
}
if (paramType.equals(TypeFacility.RUNTIME_TYPES.VARBINARY)) {
byte[] bytes ;
if(param instanceof BinaryType){
bytes = ((BinaryType)param).getBytesDirect();
} else {
bytes = (byte[]) param;
}
pstmt.setBytes(i, bytes);
return;
}
if(paramType.equals(TypeFacility.RUNTIME_TYPES.CHAR)) {
pstmt.setString(i, String.valueOf(param));
return;
}
if(paramType.equals(TypeFacility.RUNTIME_TYPES.BOOLEAN)) {
pstmt.setBoolean(i, (Boolean)param);
return;
}
if(paramType.equals(TypeFacility.RUNTIME_TYPES.BYTE)) {
pstmt.setByte(i, (Byte)param);
return;
}
if(paramType.equals(TypeFacility.RUNTIME_TYPES.SHORT)) {
pstmt.setShort(i, (Short)param);
return;
}
if(paramType.equals(TypeFacility.RUNTIME_TYPES.INTEGER)) {
pstmt.setInt(i, (Integer)param);
return;
}
if(paramType.equals(TypeFacility.RUNTIME_TYPES.LONG)) {
pstmt.setLong(i, (Long)param);
return;
}
if(paramType.equals(TypeFacility.RUNTIME_TYPES.FLOAT)) {
pstmt.setFloat(i, (Float)param);
return;
}
if(paramType.equals(TypeFacility.RUNTIME_TYPES.DOUBLE)) {
pstmt.setDouble(i, (Double)param);
return;
}
if(paramType.equals(TypeFacility.RUNTIME_TYPES.BIG_DECIMAL)) {
pstmt.setBigDecimal(i, (BigDecimal)param);
return;
}
if (paramType.equals(TypeFacility.RUNTIME_TYPES.DATE)) {
pstmt.setDate(i,(java.sql.Date)param, getDatabaseCalendar());
return;
}
if (paramType.equals(TypeFacility.RUNTIME_TYPES.TIME)) {
pstmt.setTime(i,(java.sql.Time)param, getDatabaseCalendar());
return;
}
if (paramType.equals(TypeFacility.RUNTIME_TYPES.TIMESTAMP)) {
pstmt.setTimestamp(i,(java.sql.Timestamp)param, getDatabaseCalendar());
return;
}
if (useStreamsForLobs()) {
// Phonix current not support Blob, Clob, XML
}
pstmt.setObject(i, param, type);
}
@Override
public boolean supportsInsertWithQueryExpression() {
return true;
}
@Override
public String translateLiteralBoolean(Boolean booleanValue) {
if(booleanValue.booleanValue()) {
return "true"; //$NON-NLS-1$
}
return "false"; //$NON-NLS-1$
}
/**
* Adding a specific workaround for just Pheonix and BigDecimal.
*/
@Override
public List<?> translate(LanguageObject obj, ExecutionContext context) {
if (obj instanceof SubqueryIn) {
SubqueryIn in = (SubqueryIn)obj;
return Arrays.asList(new SubqueryComparison(in.getLeftExpression(),
in.isNegated()?Operator.NE:Operator.EQ,
in.isNegated()?Quantifier.ALL:Quantifier.SOME, in.getSubquery()));
}
if (!(obj instanceof Literal)) {
return super.translate(obj, context);
}
Literal l = (Literal)obj;
if (l.isBindEligible() || l.getType() != TypeFacility.RUNTIME_TYPES.BIG_DECIMAL) {
return super.translate(obj, context);
}
BigDecimal bd = ((BigDecimal)l.getValue());
if (bd.scale() == 0) {
l.setValue(bd.setScale(1));
}
return null;
}
/**
* It doesn't appear that the time component is needed, but for consistency with their
* documentation, we'll add it.
*/
@Override
public String translateLiteralDate(java.sql.Date dateValue) {
return "DATE '" + formatDateValue(new Timestamp(dateValue.getTime())) + "'"; //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* A date component is required, so create a new Timestamp instead
*/
@Override
public String translateLiteralTime(Time timeValue) {
return "TIME '" + formatDateValue(new Timestamp(timeValue.getTime())) + "'"; //$NON-NLS-1$ //$NON-NLS-2$
}
@Override
public String translateLiteralTimestamp(Timestamp timestampValue) {
return "TIMESTAMP '" + formatDateValue(timestampValue) + "'"; //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* The Phoenix driver has issues using a calendar object.
* it throws an npe on a null value and also has https://issues.apache.org/jira/browse/PHOENIX-869
*/
@Override
public Object retrieveValue(ResultSet results, int columnIndex,
Class<?> expectedType) throws SQLException {
Integer code = DataTypeManager.getTypeCode(expectedType);
if(code != null) {
switch (code) {
case DataTypeManager.DefaultTypeCodes.TIME: {
return results.getTime(columnIndex);
}
case DataTypeManager.DefaultTypeCodes.DATE: {
return results.getDate(columnIndex);
}
case DataTypeManager.DefaultTypeCodes.TIMESTAMP: {
return results.getTimestamp(columnIndex);
}
}
}
return super.retrieveValue(results, columnIndex, expectedType);
}
@Override
protected JDBCMetdataProcessor createMetadataProcessor() {
JDBCMetdataProcessor processor = new JDBCMetdataProcessor() {
@Override
protected boolean getIndexInfoForTable(String catalogName,
String schemaName, String tableName, boolean uniqueOnly,
boolean approximateIndexes, String tableType) {
//unique returns an empty result set that is not reusable
return !uniqueOnly;
}
};
//same issue with foreign keys
processor.setImportForeignKeys(false);
return processor;
}
@Override
public Character getRequiredLikeEscape() {
return '\\';
}
@Override
public List<?> translateCommand(Command command, ExecutionContext context) {
if (command instanceof SetQuery) {
SetQuery set = (SetQuery)command;
if (!set.isAll()) {
//distinct is not supported, convert to an inline view and add distinct
Select s = new Select();
s.setDistinct(true);
s.setDerivedColumns(new ArrayList<DerivedColumn>());
s.setOrderBy(set.getOrderBy());
for (DerivedColumn dc : set.getProjectedQuery().getDerivedColumns()) {
Assertion.assertTrue(dc.getAlias() != null); //it's expected that the columns will be aliases
ColumnReference cr = new ColumnReference(null, dc.getAlias(), null, dc.getExpression().getType());
s.getDerivedColumns().add(new DerivedColumn(null, cr));
}
set.setOrderBy(null);
s.setLimit(set.getLimit());
set.setLimit(null);
set.setAll(true);
s.setFrom(Arrays.asList((TableReference)new DerivedTable(set, "x"))); //$NON-NLS-1$
return Arrays.asList(s);
}
}
return super.translateCommand(command, context);
}
@Override
public List<?> translateLimit(Limit limit, ExecutionContext context) {
if(limit.getRowOffset() > 0) {
return Arrays.asList("LIMIT ", limit.getRowLimit(), " OFFSET ", limit.getRowOffset()); //$NON-NLS-1$ //$NON-NLS-2$
}
return super.translateLimit(limit, context);
}
@Override
public boolean supportsRowLimit() {
return true;
}
@Override
public boolean supportsScalarSubqueryProjection() {
return false; //not supported in the select clause
}
@Override
public boolean supportsUpsert() {
return true;
}
@Override
protected boolean usesDatabaseVersion() {
return true;
}
@Override
public boolean supportsRowOffset() {
return getVersion().compareTo(V_4_8) >= 0;
}
}