CountDistinct Class Reference

Inherits Aggregate.

List of all members.

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Detailed Description

This function counts distinct values seen on a given field.

Public Member Functions
Window *	openWindow ()
void	setup (const ExprContext &ctxt) throw ( AuroraException )
	AURORA_DECLARE_AGGREGATE (CountDistinct)

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Member Function Documentation

CountDistinct::AURORA_DECLARE_AGGREGATE (  CountDistinct   )

Window* CountDistinct::openWindow (   )  [virtual]

Reimplemented from Aggregate.

void CountDistinct::setup (  const ExprContext &  ctxt  )  throw ( AuroraException ) [virtual]

Reimplemented from Aggregate.

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The documentation for this class was generated from the following file:

• CountDistinct.cc

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