/*
* 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.prestodb;
import static org.teiid.translator.TypeFacility.RUNTIME_NAMES.*;
import java.sql.Connection;
import java.sql.Date;
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.DataTypeManager;
import org.teiid.language.Argument;
import org.teiid.language.Call;
import org.teiid.language.Command;
import org.teiid.language.Function;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.MetadataProcessor;
import org.teiid.translator.ProcedureExecution;
import org.teiid.translator.SourceSystemFunctions;
import org.teiid.translator.Translator;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.jdbc.AliasModifier;
import org.teiid.translator.jdbc.ConvertModifier;
import org.teiid.translator.jdbc.FunctionModifier;
import org.teiid.translator.jdbc.JDBCExecutionFactory;
import org.teiid.translator.jdbc.JDBCMetdataProcessor;
import org.teiid.translator.jdbc.JDBCUpdateExecution;
@Translator(name="prestodb", description="PrestoDB custom translator")
public class PrestoDBExecutionFactory extends JDBCExecutionFactory {
private static final String PRESTODB = "prestodb"; //$NON-NLS-1$
public PrestoDBExecutionFactory() {
setSupportsSelectDistinct(true);
setSupportsInnerJoins(true);
setSupportsOuterJoins(true);
setSupportsFullOuterJoins(true);
setUseBindVariables(false);
setTransactionSupport(TransactionSupport.NONE);
}
@Override
public JDBCUpdateExecution createUpdateExecution(Command command, ExecutionContext executionContext, RuntimeMetadata metadata, Connection conn)
throws TranslatorException {
throw new TranslatorException(PrestoDBPlugin.Event.TEIID26000, PrestoDBPlugin.Util.gs(PrestoDBPlugin.Event.TEIID26000, command));
}
@Override
public ProcedureExecution createProcedureExecution(Call command, ExecutionContext executionContext, RuntimeMetadata metadata, Connection conn)
throws TranslatorException {
throw new TranslatorException(PrestoDBPlugin.Event.TEIID26000, PrestoDBPlugin.Util.gs(PrestoDBPlugin.Event.TEIID26000, command));
}
@Override
public ProcedureExecution createDirectExecution(List<Argument> arguments, Command command, ExecutionContext executionContext, RuntimeMetadata metadata, Connection conn)
throws TranslatorException {
throw new TranslatorException(PrestoDBPlugin.Event.TEIID26000, PrestoDBPlugin.Util.gs(PrestoDBPlugin.Event.TEIID26000, command));
}
@Override
public boolean useAnsiJoin() {
return true;
}
@Deprecated
@Override
protected JDBCMetdataProcessor createMetadataProcessor() {
return (PrestoDBMetadataProcessor)getMetadataProcessor();
}
@Override
public MetadataProcessor<Connection> getMetadataProcessor(){
return new PrestoDBMetadataProcessor();
}
@Override
public boolean isSourceRequiredForMetadata() {
return true;
}
@Override
public void start() throws TranslatorException {
super.start();
ConvertModifier convert = new ConvertModifier();
convert.addTypeMapping("boolean", FunctionModifier.BOOLEAN); //$NON-NLS-1$
convert.addTypeMapping("bigint", FunctionModifier.BIGINTEGER, FunctionModifier.LONG); //$NON-NLS-1$
convert.addTypeMapping("double", FunctionModifier.DOUBLE); //$NON-NLS-1$
convert.addTypeMapping("varchar", FunctionModifier.STRING); //$NON-NLS-1$
convert.addTypeMapping("date", FunctionModifier.DATE); //$NON-NLS-1$
convert.addTypeMapping("time", FunctionModifier.TIME); //$NON-NLS-1$
convert.addTypeMapping("timestamp", FunctionModifier.TIMESTAMP); //$NON-NLS-1$
convert.addTypeMapping("varbinary", FunctionModifier.BLOB); //$NON-NLS-1$
convert.addTypeMapping("json", FunctionModifier.BLOB); //$NON-NLS-1$
convert.addConvert(DataTypeManager.DefaultTypeCodes.DATE, DataTypeManager.DefaultTypeCodes.TIMESTAMP, new FunctionModifier() {
@Override
public List<?> translate(Function function) {
return Arrays.asList("cast(", function.getParameters().get(0), " AS timestamp)"); //$NON-NLS-1$ //$NON-NLS-2$
}
});
convert.addConvert(DataTypeManager.DefaultTypeCodes.TIME, DataTypeManager.DefaultTypeCodes.TIMESTAMP, new FunctionModifier() {
@Override
public List<?> translate(Function function) {
return Arrays.asList("cast(", function.getParameters().get(0), " AS timestamp)"); //$NON-NLS-1$ //$NON-NLS-2$
}
});
convert.addConvert(DataTypeManager.DefaultTypeCodes.STRING, DataTypeManager.DefaultTypeCodes.INTEGER, new FunctionModifier() {
@Override
public List<?> translate(Function function) {
return Arrays.asList("cast(", function.getParameters().get(0), " AS integer)"); //$NON-NLS-1$ //$NON-NLS-2$
}
});
convert.addConvert(DataTypeManager.DefaultTypeCodes.BOOLEAN, DataTypeManager.DefaultTypeCodes.INTEGER, new FunctionModifier() {
@Override
public List<?> translate(Function function) {
return Arrays.asList("cast(", function.getParameters().get(0), " AS integer)"); //$NON-NLS-1$ //$NON-NLS-2$
}
});
registerFunctionModifier(SourceSystemFunctions.CONVERT, convert);
registerFunctionModifier(SourceSystemFunctions.CURDATE, new AliasModifier("current_date")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.CURTIME, new AliasModifier("current_time")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.DAYOFMONTH, new AliasModifier("day_of_month")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.DAYOFWEEK, new AliasModifier("day_of_week")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.DAYOFYEAR, new AliasModifier("day_of_year")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.IFNULL, new AliasModifier("coalesce")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.FORMATTIMESTAMP, new AliasModifier("format_datetime")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.PARSETIMESTAMP, new AliasModifier("parse_datetime")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.POWER, new AliasModifier("pow")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.LCASE, new AliasModifier("lower")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.UCASE, new AliasModifier("upper")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.CHAR, new AliasModifier("chr")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.LOG, new AliasModifier("ln"){ //$NON-NLS-1$
@Override
protected void modify(Function function) {
if(function.getParameters().size() == 1){
super.modify(function);
}
}});
addPushDownFunction(PRESTODB, "cbrt", DOUBLE, DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "ceil", INTEGER, DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "current_timestamp", TIMESTAMP); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "current_timezone", STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "e", DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "ln", DOUBLE, DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "log2", DOUBLE, DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "log", DOUBLE, DOUBLE, INTEGER); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "random", DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "cosh", DOUBLE, DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "tanh", DOUBLE, DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "infinity", DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "is_finite", BOOLEAN, DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "is_infinite", BOOLEAN, DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "is_nan", BOOLEAN, DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "nan", DOUBLE); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "reverse", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "split_part", STRING, STRING, CHAR, INTEGER); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "to_base64", STRING, VARBINARY); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "from_base64", VARBINARY, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "to_base64url", STRING, VARBINARY); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "from_base64url", VARBINARY, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "to_hex", STRING, VARBINARY); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "from_hex", VARBINARY, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "timezone_hour", BIG_INTEGER, TIMESTAMP); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "timezone_minute", BIG_INTEGER, TIMESTAMP); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "regexp_extract", STRING, STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "regexp_extract", STRING, STRING, INTEGER); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "regexp_like", BOOLEAN, STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "regexp_replace", STRING, STRING, STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "url_extract_fragment", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "url_extract_host", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "url_extract_parameter", STRING, STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "url_extract_path", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "url_extract_port", INTEGER, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "url_extract_protocol", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PRESTODB, "url_extract_query", STRING, STRING); //$NON-NLS-1$
// TODO: JSON functions, not sure how to represent the JSON type?
// Array Functions, MAP functions?
// aggregate functions?
}
@Override
public List<String> getSupportedFunctions() {
List<String> supportedFunctions = new ArrayList<String>();
supportedFunctions.addAll(super.getSupportedFunctions());
supportedFunctions.add(SourceSystemFunctions.ABS);
supportedFunctions.add(SourceSystemFunctions.ACOS);
//supportedFunctions.add(SourceSystemFunctions.ARRAY_GET);
supportedFunctions.add(SourceSystemFunctions.ASIN);
//supportedFunctions.add(SourceSystemFunctions.ASCII);
supportedFunctions.add(SourceSystemFunctions.ATAN);
supportedFunctions.add(SourceSystemFunctions.ATAN2);
//supportedFunctions.add(SourceSystemFunctions.BITAND);
//supportedFunctions.add(SourceSystemFunctions.BITNOT);
//supportedFunctions.add(SourceSystemFunctions.BITOR);
//supportedFunctions.add(SourceSystemFunctions.BITXOR);
supportedFunctions.add(SourceSystemFunctions.CEILING);
supportedFunctions.add(SourceSystemFunctions.CHAR);
supportedFunctions.add(SourceSystemFunctions.COALESCE);
supportedFunctions.add(SourceSystemFunctions.CONCAT);
supportedFunctions.add(SourceSystemFunctions.COS);
supportedFunctions.add(SourceSystemFunctions.CONVERT);
supportedFunctions.add(SourceSystemFunctions.CURDATE);
supportedFunctions.add(SourceSystemFunctions.CURTIME);
// supportedFunctions.add(SourceSystemFunctions.DEGREES);
supportedFunctions.add(SourceSystemFunctions.DAYOFMONTH);
supportedFunctions.add(SourceSystemFunctions.DAYOFWEEK);
supportedFunctions.add(SourceSystemFunctions.DAYOFYEAR);
supportedFunctions.add(SourceSystemFunctions.EXP);
supportedFunctions.add(SourceSystemFunctions.FLOOR);
supportedFunctions.add(SourceSystemFunctions.FORMATTIMESTAMP);
supportedFunctions.add(SourceSystemFunctions.HOUR);
supportedFunctions.add(SourceSystemFunctions.IFNULL);
supportedFunctions.add(SourceSystemFunctions.LCASE);
//TEIID-4680 TEIID-4679 3 arg locate is not supported
// supportedFunctions.add(SourceSystemFunctions.LOCATE);
// supportedFunctions.add(SourceSystemFunctions.LPAD);
supportedFunctions.add(SourceSystemFunctions.LENGTH);
supportedFunctions.add(SourceSystemFunctions.LTRIM);
supportedFunctions.add(SourceSystemFunctions.LOG);
supportedFunctions.add(SourceSystemFunctions.LOG10);
supportedFunctions.add(SourceSystemFunctions.MINUTE);
supportedFunctions.add(SourceSystemFunctions.MOD);
supportedFunctions.add(SourceSystemFunctions.MONTH);
supportedFunctions.add(SourceSystemFunctions.NOW);
supportedFunctions.add(SourceSystemFunctions.PARSETIMESTAMP);
supportedFunctions.add(SourceSystemFunctions.PI);
supportedFunctions.add(SourceSystemFunctions.POWER);
supportedFunctions.add(SourceSystemFunctions.QUARTER);
supportedFunctions.add(SourceSystemFunctions.RAND);
supportedFunctions.add(SourceSystemFunctions.REPLACE);
// supportedFunctions.add(SourceSystemFunctions.RADIANS);
supportedFunctions.add(SourceSystemFunctions.ROUND);
supportedFunctions.add(SourceSystemFunctions.RTRIM);
// supportedFunctions.add(SourceSystemFunctions.RPAD);
supportedFunctions.add(SourceSystemFunctions.SECOND);
supportedFunctions.add(SourceSystemFunctions.SQRT);
supportedFunctions.add(SourceSystemFunctions.SIN);
supportedFunctions.add(SourceSystemFunctions.SUBSTRING);
supportedFunctions.add(SourceSystemFunctions.TAN);
supportedFunctions.add(SourceSystemFunctions.TRIM);
supportedFunctions.add(SourceSystemFunctions.UCASE);
supportedFunctions.add(SourceSystemFunctions.WEEK);
supportedFunctions.add(SourceSystemFunctions.YEAR);
return supportedFunctions;
}
/**
* Base on https://prestodb.io/docs/current/functions/datetime.html, the support format are
* date '2012-08-08', time '01:00', timestamp '2012-08-08 01:00'
*/
@Override
public String translateLiteralDate(Date dateValue) {
return "date '" + formatDateValue(dateValue) + "'"; //$NON-NLS-1$ //$NON-NLS-2$
}
@Override
public String translateLiteralTime(Time timeValue) {
return "time '" + formatDateValue(timeValue) + "'"; //$NON-NLS-1$ //$NON-NLS-2$
}
@Override
public String translateLiteralTimestamp(Timestamp timestampValue) {
return "timestamp '" + formatDateValue(timestampValue) + "'"; //$NON-NLS-1$ //$NON-NLS-2$
}
@Override
public boolean supportsSelectWithoutFrom() {
return true;
}
@Override
public boolean supportsSubqueryInOn() {
return true;
}
@Override
public boolean supportsInlineViews() {
return true;
}
@Override
public boolean supportsExistsCriteria() {
return false;
}
public boolean supportsOnlyLiteralComparison() {
return true;
}
@Override
public boolean supportsOrderByNullOrdering() {
return true;
}
@Override
public boolean supportsAggregatesEnhancedNumeric() {
return true;
}
@Override
public boolean supportsIntersect() {
return false;
}
@Override
public boolean supportsExcept() {
return false;
}
@Override
public boolean supportsRowLimit() {
return true;
}
@Override
public boolean supportsRowOffset() {
return false;
}
@Override
public boolean supportsFunctionsInGroupBy() {
return true;
}
@Override
public boolean supportsBulkUpdate() {
return true;
}
@Override
public boolean supportsBatchedUpdates() {
return true;
}
@Override
public boolean supportsCommonTableExpressions() {
return true;
}
@Override
public boolean supportsElementaryOlapOperations() {
return true;
}
@Override
public boolean supportsArrayType() {
return true;
}
@Override
public boolean supportsCorrelatedSubqueries() {
return false;
}
}