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Call FDW validator functions even when the options list is empty.

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This is useful since a validator might want to require certain options
to be provided.  The passed array is an empty text array in this case.

Per suggestion by Laurenz Albe, though this is not quite his patch.
This commit is contained in:
Tom Lane 2011-07-05 18:21:12 -04:00
parent 457333d5c2
commit c639d240c0
1 changed files with 12 additions and 2 deletions
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14
src/backend/commands/foreigncmds.c
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@ -165,8 +165,18 @@ transformGenericOptions(Oid catalogId,
result = optionListToArray(resultOptions);
if (OidIsValid(fdwvalidator) && DatumGetPointer(result) != NULL)
OidFunctionCall2(fdwvalidator, result, ObjectIdGetDatum(catalogId));
if (OidIsValid(fdwvalidator))
{
Datum valarg = result;
/*
* Pass a null options list as an empty array, so that validators
* don't have to be declared non-strict to handle the case.
*/
if (DatumGetPointer(valarg) == NULL)
valarg = PointerGetDatum(construct_empty_array(TEXTOID));
OidFunctionCall2(fdwvalidator, valarg, ObjectIdGetDatum(catalogId));
}
return result;
}