org.apache.flink.table.planner.delegation.hive.copy

Class HiveParserExprNodeDescUtils

java.lang.Object

org.apache.flink.table.planner.delegation.hive.copy.HiveParserExprNodeDescUtils

public class HiveParserExprNodeDescUtils
extends Object

Counterpart of hive's ExprNodeDescUtils, but only contains methods that need overriding.

Method Summary

Modifier and Type	Method and Description
static org.apache.hadoop.hive.serde2.typeinfo.PrimitiveTypeInfo	deriveMinArgumentCast(org.apache.hadoop.hive.ql.plan.ExprNodeDesc childExpr, org.apache.hadoop.hive.serde2.typeinfo.TypeInfo targetType)
static void	getExprNodeColumnDesc(List<org.apache.hadoop.hive.ql.plan.ExprNodeDesc> exprDescList, Map<Integer,org.apache.hadoop.hive.ql.plan.ExprNodeDesc> hashCodeToColumnDesc)
static boolean	isAllConstants(List<org.apache.hadoop.hive.ql.plan.ExprNodeDesc> value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getExprNodeColumnDesc

public static void getExprNodeColumnDesc(List<org.apache.hadoop.hive.ql.plan.ExprNodeDesc> exprDescList,
                                         Map<Integer,org.apache.hadoop.hive.ql.plan.ExprNodeDesc> hashCodeToColumnDesc)

isAllConstants

public static boolean isAllConstants(List<org.apache.hadoop.hive.ql.plan.ExprNodeDesc> value)

deriveMinArgumentCast

public static org.apache.hadoop.hive.serde2.typeinfo.PrimitiveTypeInfo deriveMinArgumentCast(org.apache.hadoop.hive.ql.plan.ExprNodeDesc childExpr,
                                                                                             org.apache.hadoop.hive.serde2.typeinfo.TypeInfo targetType)