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Use FLEXIBLE_ARRAY_MEMBER for HeapTupleHeaderData.t_bits[].

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This requires changing quite a few places that were depending on
sizeof(HeapTupleHeaderData), but it seems for the best.

Michael Paquier, some adjustments by me
This commit is contained in:
Tom Lane
2015-02-21 15:13:06 -05:00
parent 3d9b6f31ee
commit e1a11d9311
19 changed files with 102 additions and 99 deletions
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2
src/backend/optimizer/util/plancat.c
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@@ -508,7 +508,7 @@ estimate_rel_size(Relation rel, int32 *attr_widths,
int32 tuple_width;
tuple_width = get_rel_data_width(rel, attr_widths);
tuple_width += sizeof(HeapTupleHeaderData);
tuple_width += MAXALIGN(SizeofHeapTupleHeader);
tuple_width += sizeof(ItemIdData);
/* note: integer division is intentional here */
density = (BLCKSZ - SizeOfPageHeaderData) / tuple_width;