com.hazelcast.org.apache.calcite.sql.SqlOperatorTable Maven / Gradle / Ivy
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* 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;
import com.hazelcast.org.apache.calcite.sql.validate.SqlNameMatcher;
import java.util.List;
/**
* SqlOperatorTable defines a directory interface for enumerating and looking up
* SQL operators and functions.
*/
public interface SqlOperatorTable {
//~ Methods ----------------------------------------------------------------
/**
* Retrieves a list of operators with a given name and syntax. For example,
* by passing SqlSyntax.Function, the returned list is narrowed to only
* matching SqlFunction objects.
*
* @param opName name of operator
* @param category function category to look up, or null for any matching
* operator
* @param syntax syntax type of operator
* @param operatorList mutable list to which to append matches
* @param nameMatcher Name matcher
*/
void lookupOperatorOverloads(SqlIdentifier opName,
SqlFunctionCategory category,
SqlSyntax syntax,
List operatorList,
SqlNameMatcher nameMatcher);
/**
* Retrieves a list of all functions and operators in this table. Used for
* automated testing.
*
* @return list of SqlOperator objects
*/
List getOperatorList();
}