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Add array_contains_nulls() function in arrayfuncs.c.

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This will support fixing contrib/intarray (and probably other places)
so that they don't have to fail on arrays that contain a null bitmap
but no live null entries.
This commit is contained in:
Tom Lane
2011-01-08 20:24:08 -05:00
parent 4d1b76e49e
commit adf328c0e1
2 changed files with 45 additions and 3 deletions
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src/include/utils/array.h
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@ -244,6 +244,7 @@ extern void deconstruct_array(ArrayType *array,
Oid elmtype,
int elmlen, bool elmbyval, char elmalign,
Datum **elemsp, bool **nullsp, int *nelemsp);
extern bool array_contains_nulls(ArrayType *array);
extern ArrayBuildState *accumArrayResult(ArrayBuildState *astate,
Datum dvalue, bool disnull,
Oid element_type,