org.apache.hadoop.hive.ql.index
Class IndexSearchCondition

java.lang.Object
  org.apache.hadoop.hive.ql.index.IndexSearchCondition

public class IndexSearchCondition
extends Object

IndexSearchCondition represents an individual search condition found by IndexPredicateAnalyzer.

Constructor Summary

IndexSearchCondition(ExprNodeColumnDesc columnDesc, String comparisonOp, ExprNodeConstantDesc constantDesc, ExprNodeGenericFuncDesc comparisonExpr)
Constructs a search condition, which takes the form

Method Summary

ExprNodeColumnDesc	getColumnDesc()
ExprNodeGenericFuncDesc	getComparisonExpr()
String	getComparisonOp()
ExprNodeConstantDesc	getConstantDesc()
void	setColumnDesc(ExprNodeColumnDesc columnDesc)
void	setComparisonExpr(ExprNodeGenericFuncDesc comparisonExpr)
void	setComparisonOp(String comparisonOp)
void	setConstantDesc(ExprNodeConstantDesc constantDesc)
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

IndexSearchCondition

public IndexSearchCondition(ExprNodeColumnDesc columnDesc,
                            String comparisonOp,
                            ExprNodeConstantDesc constantDesc,
                            ExprNodeGenericFuncDesc comparisonExpr)

Constructs a search condition, which takes the form

column-ref comparison-op constant-value

.

Parameters:

columnDesc - column being compared

comparisonOp - comparison operator, e.g. "=" (taken from GenericUDFBridge.getUdfName())

constantDesc - constant value to search for

comparisonExpr - the original comparison expression

Method Detail

setColumnDesc

public void setColumnDesc(ExprNodeColumnDesc columnDesc)

getColumnDesc

public ExprNodeColumnDesc getColumnDesc()

setComparisonOp

public void setComparisonOp(String comparisonOp)

getComparisonOp

public String getComparisonOp()

setConstantDesc

public void setConstantDesc(ExprNodeConstantDesc constantDesc)

getConstantDesc

public ExprNodeConstantDesc getConstantDesc()

setComparisonExpr

public void setComparisonExpr(ExprNodeGenericFuncDesc comparisonExpr)

getComparisonExpr

public ExprNodeGenericFuncDesc getComparisonExpr()

toString

public String toString()

Overrides:

toString in class Object