aggregatefunctavgexpression.h File Reference

Header file for aggregatefunctavgexpression.cpp. More...

#include "aggregatefunctexpression.h"

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Classes
class	AggregateFunctAvgExpression
	Represents XQuery standard function fn:avg. More...
Defines
#define	OUTPUT_AVG_ON_EMPTY_SEQUENCE   ""
#define	OUTPUT_AVG_ON_EMPTY_SEQUENCE   ""

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Detailed Description

Header file for aggregatefunctavgexpression.cpp.

Header file specifying constructors, destructor and functions for aggregatefunctavgexpression.cpp.

Author:

Michael Schmidt

Gunnar Jehl

Version:

2.1

License:

Software License Agreement (BSD License)

Definition in file aggregatefunctavgexpression.h.

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Define Documentation

#define OUTPUT_AVG_ON_EMPTY_SEQUENCE   ""

The value which is outputted or returned respectively if the argument of aggregate function fn:avg contains no items, i.e. is called on an empty sequence.

Definition at line 46 of file aggregatefunctavgexpression.h.

Referenced by AggregateFunctAvgExpression::eval().