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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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6
src/backend/optimizer/path/costsize.c
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@ -4036,11 +4036,11 @@ set_rel_width(PlannerInfo *root, RelOptInfo *rel)
/*
* If we have a whole-row reference, estimate its width as the sum of
* per-column widths plus sizeof(HeapTupleHeaderData).
* per-column widths plus heap tuple header overhead.
*/
if (have_wholerow_var)
{
int32 wholerow_width = sizeof(HeapTupleHeaderData);
int32 wholerow_width = MAXALIGN(SizeofHeapTupleHeader);
if (reloid != InvalidOid)
{
@ -4078,7 +4078,7 @@ set_rel_width(PlannerInfo *root, RelOptInfo *rel)
static double
relation_byte_size(double tuples, int width)
{
return tuples * (MAXALIGN(width) + MAXALIGN(sizeof(HeapTupleHeaderData)));
return tuples * (MAXALIGN(width) + MAXALIGN(SizeofHeapTupleHeader));
}
/*