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Fix recently-introduced crash in array_contain_compare().

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Silly oversight in commit 1dc5ebc9077ab742079ce5dac9a6664248d42916:
when array2 is an expanded array, it might have array2->xpn.dnulls equal
to NULL, indicating the array is known null-free.  The code wasn't
expecting that, because it formerly always used deconstruct_array() which
always delivers a nulls array.

Per bug #13334 from Regina Obe.
This commit is contained in:
Tom Lane 2015-05-22 18:36:48 -04:00
parent 5302760a50
commit 49ad32d5d9
1 changed files with 1 additions and 1 deletions
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src/backend/utils/adt/arrayfuncs.c
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@ -4110,7 +4110,7 @@ array_contain_compare(AnyArrayType *array1, AnyArrayType *array2, Oid collation,
for (j = 0; j < nelems2; j++)
{
Datum elt2 = values2[j];
bool isnull2 = nulls2[j];
bool isnull2 = nulls2 ? nulls2[j] : false;
bool oprresult;
if (isnull2)