diff options
Diffstat (limited to 'src/backend/access/index')
| -rw-r--r-- | src/backend/access/index/genam.c | 6 | ||||
| -rw-r--r-- | src/backend/access/index/indexam.c | 17 |
2 files changed, 15 insertions, 8 deletions
diff --git a/src/backend/access/index/genam.c b/src/backend/access/index/genam.c index 722927a..709b264 100644 --- a/src/backend/access/index/genam.c +++ b/src/backend/access/index/genam.c @@ -653,8 +653,10 @@ systable_beginscan_ordered(Relation heapRelation, /* REINDEX can probably be a hard error here ... */ if (ReindexIsProcessingIndex(RelationGetRelid(indexRelation))) - elog(ERROR, "cannot do ordered scan on index \"%s\", because it is being reindexed", - RelationGetRelationName(indexRelation)); + ereport(ERROR, + (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), + errmsg("cannot access index \"%s\" while it is being reindexed", + RelationGetRelationName(indexRelation)))); /* ... but we only throw a warning about violating IgnoreSystemIndexes */ if (IgnoreSystemIndexes) elog(WARNING, "using index \"%s\" despite IgnoreSystemIndexes", diff --git a/src/backend/access/index/indexam.c b/src/backend/access/index/indexam.c index 7735ed7..715e91e 100644 --- a/src/backend/access/index/indexam.c +++ b/src/backend/access/index/indexam.c @@ -70,18 +70,23 @@ * Note: the ReindexIsProcessingIndex() check in RELATION_CHECKS is there * to check that we don't try to scan or do retail insertions into an index * that is currently being rebuilt or pending rebuild. This helps to catch - * things that don't work when reindexing system catalogs. The assertion + * things that don't work when reindexing system catalogs, as well as prevent + * user errors like index expressions that access their own tables. The check * doesn't prevent the actual rebuild because we don't use RELATION_CHECKS * when calling the index AM's ambuild routine, and there is no reason for * ambuild to call its subsidiary routines through this file. * ---------------------------------------------------------------- */ #define RELATION_CHECKS \ -( \ - AssertMacro(RelationIsValid(indexRelation)), \ - AssertMacro(PointerIsValid(indexRelation->rd_indam)), \ - AssertMacro(!ReindexIsProcessingIndex(RelationGetRelid(indexRelation))) \ -) +do { \ + Assert(RelationIsValid(indexRelation)); \ + Assert(PointerIsValid(indexRelation->rd_indam)); \ + if (unlikely(ReindexIsProcessingIndex(RelationGetRelid(indexRelation)))) \ + ereport(ERROR, \ + (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), \ + errmsg("cannot access index \"%s\" while it is being reindexed", \ + RelationGetRelationName(indexRelation)))); \ +} while(0) #define SCAN_CHECKS \ ( \ |