提交 43c135e3 编写于 作者: V Vadim B. Mikheev

Have to release meta page before reading root one!

< 6.5 versions were just not affected by this bug due to locking.
上级 06385ccb
......@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtpage.c,v 1.23 1999/05/25 22:04:12 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/nbtree/nbtpage.c,v 1.24 1999/06/07 14:28:22 vadim Exp $
*
* NOTES
* Postgres btree pages look like ordinary relation pages. The opaque
......@@ -265,10 +265,10 @@ _bt_getroot(Relation rel, int access)
}
else
{
rootbuf = _bt_getbuf(rel, metad->btm_root, access);
rootblkno = metad->btm_root;
_bt_relbuf(rel, metabuf, BT_READ); /* done with the meta page */
/* done with the meta page */
_bt_relbuf(rel, metabuf, BT_READ);
rootbuf = _bt_getbuf(rel, rootblkno, access);
}
/*
......
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