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Rework some error strings for REINDEX CONCURRENTLY with system catalogs

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This makes the whole user experience more consistent when bumping into
failures, and more in line with the rewording done via 508300e.

Author: Michael Paquier
Reviewed-by: Álvaro Herrera
Discussion: https://postgr.es/m/20190514153252.GA22168@alvherre.pgsql
This commit is contained in:
Michael Paquier 2019-06-20 13:28:12 +09:00
parent 252f9a2580
commit 20e1cc898d
2 changed files with 10 additions and 12 deletions
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10
src/backend/commands/indexcmds.c
View File

@ -2499,7 +2499,7 @@ ReindexMultipleTables(const char *objectName, ReindexObjectType objectKind,
if (objectKind == REINDEX_OBJECT_SYSTEM && concurrent)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("concurrent reindex of system catalogs is not supported")));
errmsg("cannot reindex system catalogs concurrently")));
/*
* Get OID of object to reindex, being the database currently being used
@ -2613,7 +2613,7 @@ ReindexMultipleTables(const char *objectName, ReindexObjectType objectKind,
if (!concurrent_warning)
ereport(WARNING,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("concurrent reindex is not supported for catalog relations, skipping all")));
errmsg("cannot reindex system catalogs concurrently, skipping all")));
concurrent_warning = true;
continue;
}
@ -2764,11 +2764,10 @@ ReindexRelationConcurrently(Oid relationOid, int options)
MemoryContextSwitchTo(oldcontext);
/* A system catalog cannot be reindexed concurrently */
if (IsCatalogRelationOid(relationOid))
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot reindex a system catalog concurrently")));
errmsg("cannot reindex system catalogs concurrently")));
/* Open relation to get its indexes */
heapRelation = table_open(relationOid, ShareUpdateExclusiveLock);
@ -2858,11 +2857,10 @@ ReindexRelationConcurrently(Oid relationOid, int options)
{
Oid heapId = IndexGetRelation(relationOid, false);
/* A system catalog cannot be reindexed concurrently */
if (IsCatalogRelationOid(heapId))
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("cannot reindex a system catalog concurrently")));
errmsg("cannot reindex system catalogs concurrently")));
/* Save the list of relation OIDs in private context */
oldcontext = MemoryContextSwitchTo(private_context);

12
src/test/regress/expected/create_index.out
View File

@ -2093,19 +2093,19 @@ REINDEX TABLE CONCURRENTLY concur_reindex_tab;
ERROR: REINDEX CONCURRENTLY cannot run inside a transaction block
COMMIT;
REINDEX TABLE CONCURRENTLY pg_class; -- no catalog relation
ERROR: cannot reindex a system catalog concurrently
ERROR: cannot reindex system catalogs concurrently
REINDEX INDEX CONCURRENTLY pg_class_oid_index; -- no catalog index
ERROR: cannot reindex a system catalog concurrently
ERROR: cannot reindex system catalogs concurrently
-- These are the toast table and index of pg_authid.
REINDEX TABLE CONCURRENTLY pg_toast.pg_toast_1260; -- no catalog toast table
ERROR: cannot reindex a system catalog concurrently
ERROR: cannot reindex system catalogs concurrently
REINDEX INDEX CONCURRENTLY pg_toast.pg_toast_1260_index; -- no catalog toast index
ERROR: cannot reindex a system catalog concurrently
ERROR: cannot reindex system catalogs concurrently
REINDEX SYSTEM CONCURRENTLY postgres; -- not allowed for SYSTEM
ERROR: concurrent reindex of system catalogs is not supported
ERROR: cannot reindex system catalogs concurrently
-- Warns about catalog relations
REINDEX SCHEMA CONCURRENTLY pg_catalog;
WARNING: concurrent reindex is not supported for catalog relations, skipping all
WARNING: cannot reindex system catalogs concurrently, skipping all
-- Check the relation status, there should not be invalid indexes
\d concur_reindex_tab
Table "public.concur_reindex_tab"