org.apache.hadoop.hive.ql.parse

Class TypeCheckCtx

java.lang.Object

org.apache.hadoop.hive.ql.parse.TypeCheckCtx

All Implemented Interfaces:

NodeProcessorCtx

Direct Known Subclasses:

JoinTypeCheckCtx

public class TypeCheckCtx
extends Object
implements NodeProcessorCtx

This class implements the context information that is used for typechecking phase in query compilation.

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.commons.logging.Log	LOG

Constructor Summary

Constructors

Constructor and Description
TypeCheckCtx(RowResolver inputRR) Constructor.
TypeCheckCtx(RowResolver inputRR, boolean allowStatefulFunctions, boolean allowDistinctFunctions, boolean allowGBExprElimination, boolean allowAllColRef, boolean allowFunctionStar, boolean allowWindowing, boolean allowIndexExpr, boolean allowSubQueryExpr)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	getallowAllColRef()
boolean	getAllowDistinctFunctions()
boolean	getallowFunctionStar()
boolean	getAllowGBExprElimination()
boolean	getallowIndexExpr()
boolean	getAllowStatefulFunctions()
boolean	getallowSubQueryExpr()
boolean	getallowWindowing()
String	getError()
ASTNode	getErrorSrcNode()
RowResolver	getInputRR()
UnparseTranslator	getUnparseTranslator()
void	setAllowDistinctFunctions(boolean allowDistinctFunctions)
void	setAllowStatefulFunctions(boolean allowStatefulFunctions)
void	setError(String error, ASTNode errorSrcNode)
void	setInputRR(RowResolver inputRR)
void	setUnparseTranslator(UnparseTranslator unparseTranslator)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final org.apache.commons.logging.Log LOG

Constructor Detail

TypeCheckCtx

public TypeCheckCtx(RowResolver inputRR)

Constructor.

Parameters:

inputRR - The input row resolver of the previous operator.

TypeCheckCtx

public TypeCheckCtx(RowResolver inputRR,
            boolean allowStatefulFunctions,
            boolean allowDistinctFunctions,
            boolean allowGBExprElimination,
            boolean allowAllColRef,
            boolean allowFunctionStar,
            boolean allowWindowing,
            boolean allowIndexExpr,
            boolean allowSubQueryExpr)

Method Detail

setInputRR

public void setInputRR(RowResolver inputRR)

Parameters:

inputRR - the inputRR to set

getInputRR

public RowResolver getInputRR()

Returns:

the inputRR

setUnparseTranslator

public void setUnparseTranslator(UnparseTranslator unparseTranslator)

Parameters:

unparseTranslator - the unparseTranslator to set

getUnparseTranslator

public UnparseTranslator getUnparseTranslator()

Returns:

the unparseTranslator

setAllowStatefulFunctions

public void setAllowStatefulFunctions(boolean allowStatefulFunctions)

Parameters:

allowStatefulFunctions - whether to allow stateful UDF invocations

getAllowStatefulFunctions

public boolean getAllowStatefulFunctions()

Returns:

whether to allow stateful UDF invocations

setError

public void setError(String error,
            ASTNode errorSrcNode)

Parameters:

error - the error to set

getError

public String getError()

Returns:

the error

getErrorSrcNode

public ASTNode getErrorSrcNode()

setAllowDistinctFunctions

public void setAllowDistinctFunctions(boolean allowDistinctFunctions)

getAllowDistinctFunctions

public boolean getAllowDistinctFunctions()

getAllowGBExprElimination

public boolean getAllowGBExprElimination()

getallowAllColRef

public boolean getallowAllColRef()

getallowFunctionStar

public boolean getallowFunctionStar()

getallowWindowing

public boolean getallowWindowing()

getallowIndexExpr

public boolean getallowIndexExpr()

getallowSubQueryExpr

public boolean getallowSubQueryExpr()