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Add error codes to some corruption log messages

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In some cases we have elog(ERROR) while corruption is certain and we
can give a clear error code ERRCODE_DATA_CORRUPTED or
ERRCODE_INDEX_CORRUPTED.

Author: Andrey Borodin <x4mmm@yandex-team.ru>
Discussion: https://www.postgresql.org/message-id/flat/25F6C686-6442-4A6B-BAF8-A6F7B84B16DE@yandex-team.ru
This commit is contained in:
Peter Eisentraut
2019-08-01 11:05:08 +02:00
parent b2a3d706b8
commit fd6ec93bf8
5 changed files with 70 additions and 44 deletions
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16
src/backend/access/nbtree/nbtinsert.c
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@@ -1568,10 +1568,12 @@ _bt_split(Relation rel, BTScanInsert itup_key, Buffer buf, Buffer cbuf,
if (sopaque->btpo_prev != origpagenumber)
{
memset(rightpage, 0, BufferGetPageSize(rbuf));
elog(ERROR, "right sibling's left-link doesn't match: "
"block %u links to %u instead of expected %u in index \"%s\"",
oopaque->btpo_next, sopaque->btpo_prev, origpagenumber,
RelationGetRelationName(rel));
ereport(ERROR,
(errcode(ERRCODE_INDEX_CORRUPTED),
errmsg_internal("right sibling's left-link doesn't match: "
"block %u links to %u instead of expected %u in index \"%s\"",
oopaque->btpo_next, sopaque->btpo_prev, origpagenumber,
RelationGetRelationName(rel))));
}
/*
@@ -1827,8 +1829,10 @@ _bt_insert_parent(Relation rel,
_bt_relbuf(rel, rbuf);
if (pbuf == InvalidBuffer)
elog(ERROR, "failed to re-find parent key in index \"%s\" for split pages %u/%u",
RelationGetRelationName(rel), bknum, rbknum);
ereport(ERROR,
(errcode(ERRCODE_INDEX_CORRUPTED),
errmsg_internal("failed to re-find parent key in index \"%s\" for split pages %u/%u",
RelationGetRelationName(rel), bknum, rbknum)));
/* Recursively update the parent */
_bt_insertonpg(rel, NULL, pbuf, buf, stack->bts_parent,