org.apache.hadoop.hive.ql.optimizer.ppr

Class PartExprEvalUtils

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.ppr.PartExprEvalUtils

public class PartExprEvalUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
PartExprEvalUtils()

Method Summary

Modifier and Type	Method and Description
static java.lang.Object	evalExprWithPart(ExprNodeDesc expr, java.util.LinkedHashMap<java.lang.String,java.lang.String> partSpec, java.util.List<VirtualColumn> vcs, StructObjectInspector rowObjectInspector) Evaluate expression with partition columns
static java.lang.Object	evaluateExprOnPart(ObjectPair<PrimitiveObjectInspector,ExprNodeEvaluator> pair, java.lang.Object partColValues)
static ObjectPair<PrimitiveObjectInspector,ExprNodeEvaluator>	prepareExpr(ExprNodeDesc expr, java.util.List<java.lang.String> partNames)

Methods inherited from class java.lang.Object

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

Constructor Detail

PartExprEvalUtils

public PartExprEvalUtils()

Method Detail

evalExprWithPart

public static java.lang.Object evalExprWithPart(ExprNodeDesc expr,
                                                java.util.LinkedHashMap<java.lang.String,java.lang.String> partSpec,
                                                java.util.List<VirtualColumn> vcs,
                                                StructObjectInspector rowObjectInspector)
                                         throws HiveException

Evaluate expression with partition columns

Parameters:

expr -

partSpec -

rowObjectInspector -

Returns:

value returned by the expression

Throws:

HiveException

prepareExpr

public static ObjectPair<PrimitiveObjectInspector,ExprNodeEvaluator> prepareExpr(ExprNodeDesc expr,
                                                                                 java.util.List<java.lang.String> partNames)
                                                                          throws HiveException

Throws:

HiveException

evaluateExprOnPart

public static java.lang.Object evaluateExprOnPart(ObjectPair<PrimitiveObjectInspector,ExprNodeEvaluator> pair,
                                                  java.lang.Object partColValues)
                                           throws HiveException

Throws:

HiveException