com.jn.sqlhelper.dialect.internal.NuodbDialect Maven / Gradle / Ivy
/*
* Copyright 2019 the original author or authors.
*
* Licensed under the LGPL, Version 3.0 (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.gnu.org/licenses/lgpl-3.0.html
*
* 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.
*/
package com.jn.sqlhelper.dialect.internal;
import com.jn.sqlhelper.dialect.internal.limit.LimitCommaLimitHandler;
/**
* http://doc.nuodb.com/Latest/Default.htm#SELECT.htm
*
* SELECT [ optimizer_hint ]
* [ ALL | DISTINCT ]
* { select_item [ [AS] output_name ] } [, ...]
* FROM from_item
* [ WHERE condition ]
* [ GROUP BY expression [, ...] [ HAVING condition [, ...] ] ]
* [ UNION [ ALL | DISTINCT ] select ]
* [ ORDER BY { order_list [ COLLATE collation_name ] [ ASC | DESC] } [, ...] ]
* [ LIMIT { count [ OFFSET start ] | start [ , count ] }
* [ OFFSET start [ ROW | ROWS ] [ FETCH {FIRST | NEXT}
* count [ROW | ROWS] [ONLY] ] ]
* [ FETCH {FIRST | NEXT } count [ROW | ROWS] [ONLY] ]
* [ FOR UPDATE [NOWAIT] ]
*
*
*
* supports:
* 1) LIMIT count
* 2) LIMIT start, count
* 3) LIMIT count OFFSET START
*
* we use LIMIT start, count
*/
public class NuodbDialect extends AbstractDialect {
public NuodbDialect() {
super();
setLimitHandler(new LimitCommaLimitHandler());
}
@Override
public boolean isSupportsLimitOffset() {
return true;
}
@Override
public boolean isSupportsLimit() {
return true;
}
}