diff options
Diffstat (limited to 'src/backend/access/nbtree/nbtinsert.c')
| -rw-r--r-- | src/backend/access/nbtree/nbtinsert.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/src/backend/access/nbtree/nbtinsert.c b/src/backend/access/nbtree/nbtinsert.c index 265a658363a..3cc67661cd2 100644 --- a/src/backend/access/nbtree/nbtinsert.c +++ b/src/backend/access/nbtree/nbtinsert.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.39 1999/05/01 16:09:45 vadim Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.40 1999/05/25 16:07:23 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -99,13 +99,13 @@ l1: /* key on the page before trying to compare it */ if (!PageIsEmpty(page) && offset <= maxoff) { - TupleDesc itupdesc; - BTItem cbti; - HeapTupleData htup; - BTPageOpaque opaque; - Buffer nbuf; - BlockNumber blkno; - bool chtup = true; + TupleDesc itupdesc; + BTItem cbti; + HeapTupleData htup; + BTPageOpaque opaque; + Buffer nbuf; + BlockNumber blkno; + bool chtup = true; itupdesc = RelationGetDescr(rel); nbuf = InvalidBuffer; @@ -122,15 +122,16 @@ l1: */ while (_bt_isequal(itupdesc, page, offset, natts, itup_scankey)) { /* they're equal */ + /* - * Have to check is inserted heap tuple deleted one - * (i.e. just moved to another place by vacuum)! + * Have to check is inserted heap tuple deleted one (i.e. + * just moved to another place by vacuum)! */ if (chtup) { htup.t_self = btitem->bti_itup.t_tid; heap_fetch(heapRel, SnapshotDirty, &htup, &buffer); - if (htup.t_data == NULL) /* YES! */ + if (htup.t_data == NULL) /* YES! */ break; /* Live tuple was inserted */ ReleaseBuffer(buffer); @@ -139,11 +140,11 @@ l1: cbti = (BTItem) PageGetItem(page, PageGetItemId(page, offset)); htup.t_self = cbti->bti_itup.t_tid; heap_fetch(heapRel, SnapshotDirty, &htup, &buffer); - if (htup.t_data != NULL) /* it is a duplicate */ + if (htup.t_data != NULL) /* it is a duplicate */ { - TransactionId xwait = - (TransactionIdIsValid(SnapshotDirty->xmin)) ? - SnapshotDirty->xmin : SnapshotDirty->xmax; + TransactionId xwait = + (TransactionIdIsValid(SnapshotDirty->xmin)) ? + SnapshotDirty->xmin : SnapshotDirty->xmax; /* * If this tuple is being updated by other transaction @@ -156,7 +157,7 @@ l1: _bt_relbuf(rel, nbuf, BT_READ); _bt_relbuf(rel, buf, BT_WRITE); XactLockTableWait(xwait); - goto l1; /* continue from the begin */ + goto l1;/* continue from the begin */ } elog(ERROR, "Cannot insert a duplicate key into a unique index"); } @@ -571,10 +572,10 @@ _bt_insertonpg(Relation rel, * reasoning). */ -l_spl:; +l_spl: ; if (stack == (BTStack) NULL) { - if (!is_root) /* if this page was not root page */ + if (!is_root) /* if this page was not root page */ { elog(DEBUG, "btree: concurrent ROOT page split"); stack = (BTStack) palloc(sizeof(BTStackData)); @@ -1144,8 +1145,8 @@ _bt_newroot(Relation rel, Buffer lbuf, Buffer rbuf) lpage = BufferGetPage(lbuf); rpage = BufferGetPage(rbuf); - ((BTPageOpaque) PageGetSpecialPointer(lpage))->btpo_parent = - ((BTPageOpaque) PageGetSpecialPointer(rpage))->btpo_parent = + ((BTPageOpaque) PageGetSpecialPointer(lpage))->btpo_parent = + ((BTPageOpaque) PageGetSpecialPointer(rpage))->btpo_parent = rootbknum; /* |