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authorHeikki Linnakangas <heikki.linnakangas@iki.fi>2015-07-27 18:54:09 +0300
committerHeikki Linnakangas <heikki.linnakangas@iki.fi>2015-07-27 18:54:27 +0300
commit9c88e06b5a24341e0e82fbab7b02de271adf1f47 (patch)
treeb068c8cdf968f9c5470ecf44f46cfc8c291626a5 /src/backend/access/spgist
parent03a0a3532b47b2a634cd2700d49edc086af748a0 (diff)
Don't assume that PageIsEmpty() returns true on an all-zeros page.
It does currently, and I don't see us changing that any time soon, but we don't make that assumption anywhere else. Per Tom Lane's suggestion. Backpatch to 9.2, like the previous patch that added this assumption.
Diffstat (limited to 'src/backend/access/spgist')
-rw-r--r--src/backend/access/spgist/spgvacuum.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/access/spgist/spgvacuum.c b/src/backend/access/spgist/spgvacuum.c
index d40da0eecca..06c0b0af7ee 100644
--- a/src/backend/access/spgist/spgvacuum.c
+++ b/src/backend/access/spgist/spgvacuum.c
@@ -655,7 +655,7 @@ spgvacuumpage(spgBulkDeleteState *bds, BlockNumber blkno)
*/
if (!SpGistBlockIsRoot(blkno))
{
- if (PageIsEmpty(page))
+ if (PageIsNew(page) || PageIsEmpty(page))
{
RecordFreeIndexPage(index, blkno);
bds->stats->pages_deleted++;