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/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq.impl;
import static org.jooq.impl.DSL.field;
import static org.jooq.impl.DSL.function;
import static org.jooq.impl.SQLDataType.INTEGER;
import java.sql.Timestamp;
import org.jooq.Configuration;
import org.jooq.Field;
import org.jooq.types.DayToSecond;
/**
* @author Lukas Eder
*/
class TimestampDiff extends AbstractFunction {
/**
* Generated UID
*/
private static final long serialVersionUID = -4813228000332771961L;
private final Field timestamp1;
private final Field timestamp2;
TimestampDiff(Field timestamp1, Field timestamp2) {
super("timestampdiff", SQLDataType.INTERVALDAYTOSECOND, timestamp1, timestamp2);
this.timestamp1 = timestamp1;
this.timestamp2 = timestamp2;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
final Field getFunction0(Configuration configuration) {
switch (configuration.dialect().family()) {
/* [pro] xx
xx xx xxxxxx xxxx xxx xxxxxxx xxxxxxxxxxxx xx xxxxxxxxxx
xxxx xxxxxxx
xxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxx xxxxxx xxxxxxxxxxxxxx xxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx
xx xxxxxx xxxxx xxxxxxxx xxxxxxxxxx xxxxxxxxx xx x xxxxx xxxxx xx
xx xxxxxxxxxxxxx xxxxxx xxx xxx xxxx xxxx xx xx xxxxxxx xx xxxxx
xxxx xxxx
xx xxx xxxxxxxxxx xx xxxxxx xx xxxx
xxxxxxxxxxxxxx xxxx x xxxxxxxxxxxxxxxxxxxxxx xxxx xxxxxx xxxxxxxx xxxxxxxxxxx xxxxxxxxxxxx
xx xxx xxxxxxxxx xxxxxxxxxx xx xxxxxx xx xxxxxxxxxxxx
xxxxxxxxxxxxxx xxxxx x xxxxxxxxxxxxxxxxxxxxx xxxx xxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx
xxxxxx xxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xx xxx xxxx xxx xxxxxx xxxx xxxx xxxx xxxxx
xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxx xxxx
xxxxxx xxxxxxx xxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxx
xxxx xxxxxxxxxx
xxxx xxxxxxx
xxxxxx xxxxxxxxxxxxxxxxxxxxx xxxx xxxxxx xxxxxxxxxxxxxx xxxxxxxxxxx xxxxxxxxxxxx
xxxx xxxxxxx
xx [/pro] */
case POSTGRES:
return field("{0} - {1}", getDataType(), timestamp1, timestamp2);
// CUBRID's datetime operations operate on a millisecond level
case CUBRID:
return (Field) timestamp1.sub(timestamp2);
case DERBY:
return (Field) field("1000 * {fn {timestampdiff}({sql_tsi_second}, {0}, {1}) }", INTEGER, timestamp2, timestamp1);
case FIREBIRD:
return field("{datediff}(millisecond, {0}, {1})", getDataType(), timestamp2, timestamp1);
case H2:
case HSQLDB:
return field("{datediff}('ms', {0}, {1})", getDataType(), timestamp2, timestamp1);
// MySQL's datetime operations operate on a microsecond level
case MARIADB:
case MYSQL:
return field("{timestampdiff}(microsecond, {0}, {1}) / 1000", getDataType(), timestamp2, timestamp1);
case SQLITE:
return field("({strftime}('%s', {0}) - {strftime}('%s', {1})) * 1000", getDataType(), timestamp1, timestamp2);
/* [pro] xx
xx xxxx xxxxxxx xx xxxxxxx
xxxx xxxxxxx
xx [/pro] */
}
// Default implementation for equals() and hashCode()
return timestamp1.sub(timestamp2).cast(DayToSecond.class);
}
}
