Fix more user-visible elog() calls.

Michael Paquier discovered that this could be triggered via SQL;
give a nicer message instead.

Patch by Michael Paquier, reviewed by Masahiko Sawada.

Discussion: http://postgr.es/m/CAB7nPqQtPg+LKKtzdKN26judHcvPZ0s1gNigzOT4j8CYuuuBYg@mail.gmail.com
This commit is contained in:
Robert Haas 2017-10-05 07:58:02 -04:00
parent 036166f26e
commit c097b271e8
3 changed files with 21 additions and 5 deletions

View File

@ -26,7 +26,14 @@ SELECT pg_replication_origin_drop('test_decoding: temp');
(1 row)
SELECT pg_replication_origin_drop('test_decoding: temp');
ERROR: cache lookup failed for replication origin 'test_decoding: temp'
ERROR: replication origin "test_decoding: temp" does not exist
-- various failure checks for undefined slots
select pg_replication_origin_advance('test_decoding: temp', '0/1');
ERROR: replication origin "test_decoding: temp" does not exist
select pg_replication_origin_session_setup('test_decoding: temp');
ERROR: replication origin "test_decoding: temp" does not exist
select pg_replication_origin_progress('test_decoding: temp', true);
ERROR: replication origin "test_decoding: temp" does not exist
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
?column?
----------

View File

@ -13,6 +13,11 @@ SELECT pg_replication_origin_create('test_decoding: temp');
SELECT pg_replication_origin_drop('test_decoding: temp');
SELECT pg_replication_origin_drop('test_decoding: temp');
-- various failure checks for undefined slots
select pg_replication_origin_advance('test_decoding: temp', '0/1');
select pg_replication_origin_session_setup('test_decoding: temp');
select pg_replication_origin_progress('test_decoding: temp', true);
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
-- origin tx

View File

@ -225,8 +225,10 @@ replorigin_by_name(char *roname, bool missing_ok)
ReleaseSysCache(tuple);
}
else if (!missing_ok)
elog(ERROR, "cache lookup failed for replication origin '%s'",
roname);
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("replication origin \"%s\" does not exist",
roname)));
return roident;
}
@ -437,8 +439,10 @@ replorigin_by_oid(RepOriginId roident, bool missing_ok, char **roname)
*roname = NULL;
if (!missing_ok)
elog(ERROR, "cache lookup failed for replication origin with oid %u",
roident);
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("replication origin with OID %u does not exist",
roident)));
return false;
}