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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.inline;
import static org.jooq.impl.DSL.keyword;
import org.jooq.Configuration;
import org.jooq.DatePart;
import org.jooq.Field;
import org.jooq.QueryPart;
import org.jooq.exception.SQLDialectNotSupportedException;
/**
* @author Lukas Eder
*/
class DateAdd extends AbstractFunction {
/**
* Generated UID
*/
private static final long serialVersionUID = -19593015886723235L;
private final Field date;
private final Field interval;
private final DatePart datePart;
DateAdd(Field date, Field interval, DatePart datePart) {
super("dateadd", date.getDataType());
this.date = date;
this.interval = interval;
this.datePart = datePart;
}
@Override
final QueryPart getFunction0(Configuration configuration) {
String keyword = null;
String function = null;
switch (configuration.dialect().family()) {
case CUBRID:
case MARIADB:
case MYSQL: {
switch (datePart) {
case YEAR: keyword = "year"; break;
case MONTH: keyword = "month"; break;
case DAY: keyword = "day"; break;
case HOUR: keyword = "hour"; break;
case MINUTE: keyword = "minute"; break;
case SECOND: keyword = "second"; break;
default: throwUnsupported();
}
return field("{date_add}({0}, {interval} {1} {2})", getDataType(), date, interval, keyword(keyword));
}
case DERBY:
case HSQLDB: {
switch (datePart) {
case YEAR: keyword = "sql_tsi_year"; break;
case MONTH: keyword = "sql_tsi_month"; break;
case DAY: keyword = "sql_tsi_day"; break;
case HOUR: keyword = "sql_tsi_hour"; break;
case MINUTE: keyword = "sql_tsi_minute"; break;
case SECOND: keyword = "sql_tsi_second"; break;
default: throwUnsupported();
}
return field("{fn {timestampadd}({0}, {1}, {2}) }", getDataType(), keyword(keyword), interval, date);
}
case FIREBIRD: {
switch (datePart) {
case YEAR: keyword = "year"; break;
case MONTH: keyword = "month"; break;
case DAY: keyword = "day"; break;
case HOUR: keyword = "hour"; break;
case MINUTE: keyword = "minute"; break;
case SECOND: keyword = "second"; break;
default: throwUnsupported();
}
return field("{dateadd}({0}, {1}, {2})", getDataType(), keyword(keyword), interval, date);
}
case H2: {
switch (datePart) {
case YEAR: keyword = "year"; break;
case MONTH: keyword = "month"; break;
case DAY: keyword = "day"; break;
case HOUR: keyword = "hour"; break;
case MINUTE: keyword = "minute"; break;
case SECOND: keyword = "second"; break;
default: throwUnsupported();
}
return field("{dateadd}({0}, {1}, {2})", getDataType(), inline(keyword), interval, date);
}
case POSTGRES: {
switch (datePart) {
case YEAR: keyword = " year"; break;
case MONTH: keyword = " month"; break;
case DAY: keyword = " day"; break;
case HOUR: keyword = " hour"; break;
case MINUTE: keyword = " minute"; break;
case SECOND: keyword = " second"; break;
default: throwUnsupported();
}
return date.add(field("({0} || {1})::interval", interval, inline(keyword)));
}
case SQLITE: {
switch (datePart) {
case YEAR: keyword = " year"; break;
case MONTH: keyword = " month"; break;
case DAY: keyword = " day"; break;
case HOUR: keyword = " hour"; break;
case MINUTE: keyword = " minute"; break;
case SECOND: keyword = " second"; break;
default: throwUnsupported();
}
return field("{datetime}({0}, '+' || {1} || {2})", getDataType(), date, interval, inline(keyword));
}
/* [pro] xx
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xxxx xxxxxx xxxxxxx x xxxxxxxx xxxxxx
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xxxx xxxxx xxxxxxx x xxxxxxx xxxxxxxx x xxxxxxxxxxxxxxxxxx xxxxxx
xxxx xxxxxx xxxxxxx x xxxxxxxx xxxxxxxx x xxxxxxxxxxxxxxxxxx xxxxxx
xxxx xxxx xxxxxxx x xxxxxx xxxxxxxx x xxxxxxxxxxxxxxxxxx xxxxxx
xxxx xxxxx xxxxxxx x xxxxxxx xxxxxxxx x xxxxxxxxxxxxxxxxxx xxxxxx
xxxx xxxxxxx xxxxxxx x xxxxxxxxx xxxxxxxx x xxxxxxxxxxxxxxxxxx xxxxxx
xxxx xxxxxxx xxxxxxx x xxxxxxxxx xxxxxxxx x xxxxxxxxxxxxxxxxxx xxxxxx
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x
xx [/pro] */
}
return null;
}
private final void throwUnsupported() {
throw new UnsupportedOperationException("Unknown date part : " + datePart);
}
}
