org.exist.xquery
Class GroupSpec

java.lang.Object
  org.exist.xquery.GroupSpec

public class GroupSpec
extends java.lang.Object

A XQuery grouping specifier as specified in an "group by" clause (based on OrderSpec). Used by BindingExpression. *

Constructor Summary

GroupSpec(XQueryContext context, Expression groupExpr, java.lang.String keyVarName)

Method Summary

void	analyze(AnalyzeContextInfo contextInfo)
Expression	getGroupExpression()
java.lang.String	getKeyVarName()
void	resetState(boolean postOptimization)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupSpec

public GroupSpec(XQueryContext context,
                 Expression groupExpr,
                 java.lang.String keyVarName)

Method Detail

analyze

public void analyze(AnalyzeContextInfo contextInfo)
             throws XPathException

Throws:

XPathException

getGroupExpression

public Expression getGroupExpression()

getKeyVarName

public java.lang.String getKeyVarName()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

resetState

public void resetState(boolean postOptimization)