diff options
Diffstat (limited to 'src/backend/access/gist/gist.c')
| -rw-r--r-- | src/backend/access/gist/gist.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/backend/access/gist/gist.c b/src/backend/access/gist/gist.c index 9c6625bba3a..700e97afc39 100644 --- a/src/backend/access/gist/gist.c +++ b/src/backend/access/gist/gist.c @@ -561,8 +561,7 @@ gistdoinsert(Relation r, IndexTuple itup, Size freespace, GISTSTATE *giststate) } if (stack->blkno != GIST_ROOT_BLKNO && - XLByteLT(stack->parent->lsn, - GistPageGetOpaque(stack->page)->nsn)) + stack->parent->lsn < GistPageGetOpaque(stack->page)->nsn) { /* * Concurrent split detected. There's no guarantee that the @@ -620,7 +619,7 @@ gistdoinsert(Relation r, IndexTuple itup, Size freespace, GISTSTATE *giststate) xlocked = true; stack->page = (Page) BufferGetPage(stack->buffer); - if (!XLByteEQ(PageGetLSN(stack->page), stack->lsn)) + if (PageGetLSN(stack->page) != stack->lsn) { /* the page was changed while we unlocked it, retry */ continue; @@ -708,8 +707,8 @@ gistdoinsert(Relation r, IndexTuple itup, Size freespace, GISTSTATE *giststate) */ } else if (GistFollowRight(stack->page) || - XLByteLT(stack->parent->lsn, - GistPageGetOpaque(stack->page)->nsn)) + stack->parent->lsn < + GistPageGetOpaque(stack->page)->nsn) { /* * The page was split while we momentarily unlocked the @@ -794,7 +793,7 @@ gistFindPath(Relation r, BlockNumber child, OffsetNumber *downlinkoffnum) if (GistFollowRight(page)) elog(ERROR, "concurrent GiST page split was incomplete"); - if (top->parent && XLByteLT(top->parent->lsn, GistPageGetOpaque(page)->nsn) && + if (top->parent && top->parent->lsn < GistPageGetOpaque(page)->nsn && GistPageGetOpaque(page)->rightlink != InvalidBlockNumber /* sanity check */ ) { /* @@ -864,7 +863,8 @@ gistFindCorrectParent(Relation r, GISTInsertStack *child) parent->page = (Page) BufferGetPage(parent->buffer); /* here we don't need to distinguish between split and page update */ - if (child->downlinkoffnum == InvalidOffsetNumber || !XLByteEQ(parent->lsn, PageGetLSN(parent->page))) + if (child->downlinkoffnum == InvalidOffsetNumber || + parent->lsn != PageGetLSN(parent->page)) { /* parent is changed, look child in right links until found */ OffsetNumber i, |