com.hazelcast.org.apache.calcite.sql.SqlExplainLevel 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;
import com.hazelcast.org.apache.calcite.sql.parser.SqlParserPos;
/**
* SqlExplainLevel defines detail levels for EXPLAIN PLAN.
*/
public enum SqlExplainLevel {
/**
* Suppress all attributes.
*/
NO_ATTRIBUTES,
/**
* Display only attributes which contribute to the plan output.
*/
EXPPLAN_ATTRIBUTES,
/**
* Display only attributes which contribute to an expression's digest.
*/
DIGEST_ATTRIBUTES,
/**
* Display all attributes, including id, except cost.
*/
NON_COST_ATTRIBUTES,
/**
* Display all attributes, including cost.
*/
ALL_ATTRIBUTES;
/**
* Creates a parse-tree node representing an occurrence of this symbol at
* a particular position in the parsed text.
*/
public SqlLiteral symbol(SqlParserPos pos) {
return SqlLiteral.createSymbol(this, pos);
}
}