com.hazelcast.org.apache.calcite.sql.validate.MatchRecognizeNamespace Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in com.hazelcast.com.liance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.com.hazelcast.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.hazelcast.org.apache.calcite.sql.validate;
import com.hazelcast.org.apache.calcite.rel.type.RelDataType;
import com.hazelcast.org.apache.calcite.sql.SqlMatchRecognize;
import com.hazelcast.org.apache.calcite.sql.SqlNode;
/**
* Namespace for a {@code MATCH_RECOGNIZE} clause.
*/
public class MatchRecognizeNamespace extends AbstractNamespace {
private final SqlMatchRecognize matchRecognize;
/** Creates a MatchRecognizeNamespace. */
protected MatchRecognizeNamespace(SqlValidatorImpl validator,
SqlMatchRecognize matchRecognize,
SqlNode enclosingNode) {
super(validator, enclosingNode);
this.matchRecognize = matchRecognize;
}
@Override public RelDataType validateImpl(RelDataType targetRowType) {
validator.validateMatchRecognize(matchRecognize);
return rowType;
}
@Override public SqlMatchRecognize getNode() {
return matchRecognize;
}
}