Don't assume that PageIsEmpty() returns true on an all-zeros page.
authorHeikki Linnakangas
Mon, 27 Jul 2015 15:54:09 +0000 (18:54 +0300)
committerHeikki Linnakangas
Mon, 27 Jul 2015 15:54:30 +0000 (18:54 +0300)
commit0e98ad0915ce5a665f39707db7652c67a64b5b22
tree51f3391a9d5c3a69ab40e74f132faac53f2daa54
parent746e7f1c187b1dae02b049b1918e5471d7fedfb6
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.
src/backend/access/spgist/spgvacuum.c