org.apache.hadoop.hive.ql.exec.vector.expressions

Class IfExprCondExprCondExpr

java.lang.Object

org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprCondExprBase

org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprCondExprCondExpr

All Implemented Interfaces:

Serializable

public class IfExprCondExprCondExpr
extends IfExprCondExprBase

Do conditional execution of the THEN/ELSE vector expressions of a SQL IF statement.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected int	arg2Column
protected int	arg3Column

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprCondExprBase

arg1Column, elseSelected, elseSelectedCount, isIfStatementResultRepeated, isIfStatementResultThen, thenSelected, thenSelectedCount

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

childExpressions, inputDataTypePhysicalVariations, inputTypeInfos, outputColumnNum, outputDataTypePhysicalVariation, outputTypeInfo

Constructor Summary

Constructors

Constructor and Description
IfExprCondExprCondExpr()
IfExprCondExprCondExpr(int arg1Column, int arg2Column, int arg3Column, int outputColumnNum)

Method Summary

Modifier and Type	Method and Description
void	evaluate(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch) This is the primary method to implement expression logic.
String	vectorExpressionParameters()

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.IfExprCondExprBase

conditionalEvaluate, getDescriptor

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

displayArrayOfUtf8ByteArrays, displayUtf8Bytes, doTransientInit, doTransientInit, evaluateChildren, getChildExpressions, getColumnParamString, getDoubleValueParamString, getInputDataTypePhysicalVariations, getInputTypeInfos, getLongValueParamString, getOutputColumnNum, getOutputColumnVectorType, getOutputDataTypePhysicalVariation, getOutputTypeInfo, getParamTypeString, getTypeName, init, setChildExpressions, setInputDataTypePhysicalVariations, setInputTypeInfos, setOutputDataTypePhysicalVariation, setOutputTypeInfo, supportsCheckedExecution, toString, transientInit

Methods inherited from class java.lang.Object

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

Field Detail

arg2Column

protected final int arg2Column

arg3Column

protected final int arg3Column

Constructor Detail

IfExprCondExprCondExpr

public IfExprCondExprCondExpr(int arg1Column,
                              int arg2Column,
                              int arg3Column,
                              int outputColumnNum)

IfExprCondExprCondExpr

public IfExprCondExprCondExpr()

Method Detail

evaluate

public void evaluate(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch)
              throws HiveException

Description copied from class: VectorExpression

This is the primary method to implement expression logic.

Overrides:

evaluate in class IfExprCondExprBase

Throws:

HiveException

vectorExpressionParameters

public String vectorExpressionParameters()

Specified by:

vectorExpressionParameters in class VectorExpression