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Commit8ecdc2f

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Use ereport not elog for some corrupt-HOT-chain reports.
These errors have been seen in the field in corrupted-data situations.It seems worthwhile to report them with ERRCODE_DATA_CORRUPTED, ratherthan the generic ERRCODE_INTERNAL_ERROR, for the benefit of log monitoringand tools like amcheck. However, use errmsg_internal so that the textstrings still aren't translated; it seems unlikely to be worthtranslators' time to do so.Back-patch to 9.3, like the predecessor commitd70cf81 that introducedthese elog calls originally (replacing Asserts).Peter GeogheganDiscussion:https://postgr.es/m/CAH2-Wzmn4-Pg-UGFwyuyK-wiTih9j32pwg_7T9iwqXpAUZr=Mg@mail.gmail.com
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‎src/backend/catalog/index.c

Lines changed: 12 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -2862,9 +2862,12 @@ IndexBuildHeapRangeScan(Relation heapRelation,
28622862
offnum=ItemPointerGetOffsetNumber(&heapTuple->t_self);
28632863

28642864
if (!OffsetNumberIsValid(root_offsets[offnum-1]))
2865-
elog(ERROR,"failed to find parent tuple for heap-only tuple at (%u,%u) in table \"%s\"",
2866-
ItemPointerGetBlockNumber(&heapTuple->t_self),
2867-
offnum,RelationGetRelationName(heapRelation));
2865+
ereport(ERROR,
2866+
(errcode(ERRCODE_DATA_CORRUPTED),
2867+
errmsg_internal("failed to find parent tuple for heap-only tuple at (%u,%u) in table \"%s\"",
2868+
ItemPointerGetBlockNumber(&heapTuple->t_self),
2869+
offnum,
2870+
RelationGetRelationName(heapRelation))));
28682871

28692872
ItemPointerSetOffsetNumber(&rootTuple.t_self,
28702873
root_offsets[offnum-1]);
@@ -3327,10 +3330,12 @@ validate_index_heapscan(Relation heapRelation,
33273330
{
33283331
root_offnum=root_offsets[root_offnum-1];
33293332
if (!OffsetNumberIsValid(root_offnum))
3330-
elog(ERROR,"failed to find parent tuple for heap-only tuple at (%u,%u) in table \"%s\"",
3331-
ItemPointerGetBlockNumber(heapcursor),
3332-
ItemPointerGetOffsetNumber(heapcursor),
3333-
RelationGetRelationName(heapRelation));
3333+
ereport(ERROR,
3334+
(errcode(ERRCODE_DATA_CORRUPTED),
3335+
errmsg_internal("failed to find parent tuple for heap-only tuple at (%u,%u) in table \"%s\"",
3336+
ItemPointerGetBlockNumber(heapcursor),
3337+
ItemPointerGetOffsetNumber(heapcursor),
3338+
RelationGetRelationName(heapRelation))));
33343339
ItemPointerSetOffsetNumber(&rootTuple,root_offnum);
33353340
}
33363341

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