If (query directive)
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If(Directive cond,Directive then) - Depending on cond, returns the results of then directive or an empty result. | If(Directive cond,Directive then) - Depending on cond, returns the results of then directive or an empty result. | ||
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Revision as of 09:44, 20 August 2009
Description
Returns results of one of two directives depending on the input. The conditional directive is given the input of this directive. If it returns a non empty result then the then directive is used. Otherwise the else directive is used if provided or an empty result is returned.
Constructor
If(Directive cond,Directive then,Directive else) - Depending on cond, returns the results of either then or else directive.
If(Directive cond,Directive then) - Depending on cond, returns the results of then directive or an empty result.
