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

Class IfExprStringScalarVarCharScalar

java.lang.Object

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

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

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

All Implemented Interfaces:

Serializable

public class IfExprStringScalarVarCharScalar
extends IfExprStringScalarStringScalar

Compute IF(expr1, expr2, expr3) for 3 input column expressions. The first is always a boolean (LongColumnVector). The second is a string scalar. The third is a string scalar.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

VectorExpression.Type

Field Summary

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

childExpressions, inputTypes, outputType

Constructor Summary

Constructors

Constructor and Description
IfExprStringScalarVarCharScalar()
IfExprStringScalarVarCharScalar(int arg1Column, byte[] arg2Scalar, HiveVarchar arg3Scalar, int outputColumn)

Method Summary

Methods

Modifier and Type	Method and Description
VectorExpressionDescriptor.Descriptor	getDescriptor()
String	getOutputType() Returns type of the output column.

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

evaluate, getOutputColumn

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

evaluateChildren, getChildExpressions, getInputTypes, setChildExpressions, setInputTypes, setOutputType, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

IfExprStringScalarVarCharScalar

public IfExprStringScalarVarCharScalar(int arg1Column,
                               byte[] arg2Scalar,
                               HiveVarchar arg3Scalar,
                               int outputColumn)

IfExprStringScalarVarCharScalar

public IfExprStringScalarVarCharScalar()

Method Detail

getOutputType

public String getOutputType()

Description copied from class: VectorExpression

Returns type of the output column.

Overrides:

getOutputType in class IfExprStringScalarStringScalar

getDescriptor

public VectorExpressionDescriptor.Descriptor getDescriptor()

Overrides:

getDescriptor in class IfExprStringScalarStringScalar