org.apache.spark.sql.catalyst.CatalystConf.scala 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 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,
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package org.apache.spark.sql.catalyst
import org.apache.spark.sql.catalyst.analysis._
/**
* Interface for configuration options used in the catalyst module.
*/
trait CatalystConf {
def caseSensitiveAnalysis: Boolean
def orderByOrdinal: Boolean
def groupByOrdinal: Boolean
def optimizerMaxIterations: Int
def optimizerInSetConversionThreshold: Int
def maxCaseBranchesForCodegen: Int
def runSQLonFile: Boolean
def warehousePath: String
/**
* Returns the [[Resolver]] for the current configuration, which can be used to determine if two
* identifiers are equal.
*/
def resolver: Resolver = {
if (caseSensitiveAnalysis) caseSensitiveResolution else caseInsensitiveResolution
}
}
/** A CatalystConf that can be used for local testing. */
case class SimpleCatalystConf(
caseSensitiveAnalysis: Boolean,
orderByOrdinal: Boolean = true,
groupByOrdinal: Boolean = true,
optimizerMaxIterations: Int = 100,
optimizerInSetConversionThreshold: Int = 10,
maxCaseBranchesForCodegen: Int = 20,
runSQLonFile: Boolean = true,
warehousePath: String = "/user/hive/warehouse")
extends CatalystConf