diff options
Diffstat (limited to 'src/backend/access/gist/gist.c')
| -rw-r--r-- | src/backend/access/gist/gist.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/backend/access/gist/gist.c b/src/backend/access/gist/gist.c index 2ce5425ef98..a746e911f37 100644 --- a/src/backend/access/gist/gist.c +++ b/src/backend/access/gist/gist.c @@ -704,6 +704,9 @@ gistdoinsert(Relation r, IndexTuple itup, Size freespace, GISTInsertStack *item; OffsetNumber downlinkoffnum; + /* currently, internal pages are never deleted */ + Assert(!GistPageIsDeleted(stack->page)); + downlinkoffnum = gistchoose(state.r, stack->page, itup, giststate); iid = PageGetItemId(stack->page, downlinkoffnum); idxtuple = (IndexTuple) PageGetItem(stack->page, iid); @@ -838,6 +841,18 @@ gistdoinsert(Relation r, IndexTuple itup, Size freespace, } } + /* + * The page might have been deleted after we scanned the parent + * and saw the downlink. + */ + if (GistPageIsDeleted(stack->page)) + { + UnlockReleaseBuffer(stack->buffer); + xlocked = false; + state.stack = stack = stack->parent; + continue; + } + /* now state.stack->(page, buffer and blkno) points to leaf page */ gistinserttuple(&state, stack, giststate, itup, |