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FUNCTION xpxGetMapInstances (MAPnameOrMAPid : GENERIC;
VAR MAPinstances : SET OF GENERIC;
sourceInst1, sourceInst2 : GENERIC;
... ,
sourceInstN : GENERIC)
status : INTEGER;
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The xpxGetMapInstances will return the set of target instances created from the specified set of source instances in the specified MAP declaration. The MAPname argument is the name of the actual MAP declaration. The arguments sourceInst1 to sourceInstN should correspond in number and type to the FROM clause in the actual MAP declaration. The returned set of target instances are the target instances implicitly created, or explicitly created by the xpxCreateMapInstance function the first time the actual MAP was invoked with the exactly same combination of source instances as specified in the sourceInst1 to sourceInstN arguments. An empty set will be returned in the MAPinstances argument when no corresponding target instances to the specified source instances is found.
Arguments
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| Type | Name | Comment |
| GENERIC | MAPnameOrMAPid | the name of the actual MAP declaration |
| SET OF GENERIC | MAPinstances | |
| GENERIC | sourceInst(N) |
Return Value
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Options
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Example
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See also
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