/*
* Copyright 2013, Mysema Ltd
*
* 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.
*/
package com.mysema.query.sql.teradata;
import java.sql.Connection;
import com.mysema.query.DefaultQueryMetadata;
import com.mysema.query.QueryFlag;
import com.mysema.query.QueryMetadata;
import com.mysema.query.sql.AbstractSQLQuery;
import com.mysema.query.sql.Configuration;
import com.mysema.query.sql.SQLOps;
import com.mysema.query.sql.SQLTemplates;
import com.mysema.query.sql.TeradataTemplates;
import com.mysema.query.types.Predicate;
import com.mysema.query.types.PredicateOperation;
/**
* TeradataQuery provides Teradata related extensions to SQLQuery
*
* @author tiwe
*
*/
public class TeradataQuery extends AbstractSQLQuery<TeradataQuery> {
public TeradataQuery(Connection conn) {
this(conn, new Configuration(new TeradataTemplates()), new DefaultQueryMetadata());
}
public TeradataQuery(Connection conn, SQLTemplates templates) {
this(conn, new Configuration(templates), new DefaultQueryMetadata());
}
public TeradataQuery(Connection conn, Configuration configuration) {
this(conn, configuration, new DefaultQueryMetadata());
}
public TeradataQuery(Connection conn, Configuration configuration, QueryMetadata metadata) {
super(conn, configuration, metadata);
}
/**
* Adds a qualify expression
*
* @param predicate
* @return
*/
public TeradataQuery qualify(Predicate predicate) {
predicate = PredicateOperation.create(SQLOps.QUALIFY, predicate);
return queryMixin.addFlag(new QueryFlag(QueryFlag.Position.BEFORE_ORDER, predicate));
}
@Override
public TeradataQuery clone(Connection conn) {
TeradataQuery q = new TeradataQuery(conn, getConfiguration(), getMetadata().clone());
q.clone(this);
return q;
}
}