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Improve publication error messages

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Commit 81d5995b4b introduced more fine-grained errormessages for
incorrect relkinds for publication, while unlogged and temporary
tables were reported with using the same message.  This provides
separate error messages for these types of relpersistence.

Author: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>
Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Reviewed-by: Jeevan Ladhe <jeevan.ladhe@enterprisedb.com>
Reviewed-by: Euler Taveira <euler@eulerto.com>
Discussion: https://postgr.es/m/CALj2ACW9S=AswyQHjtO6WMcsergMkCBTtzXGrM8DX26DzfeTLQ@mail.gmail.com
This commit is contained in:
Daniel Gustafsson 2021-11-17 14:40:38 +01:00
parent 3374a87b62
commit aa12781b0d
5 changed files with 49 additions and 2 deletions
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6
contrib/postgres_fdw/expected/postgres_fdw.out
View File

@ -256,6 +256,12 @@ SELECT c3, c4 FROM ft1 ORDER BY c3, c1 LIMIT 1; -- should work again
ANALYZE ft1;
ALTER FOREIGN TABLE ft2 OPTIONS (use_remote_estimate 'true');
-- ===================================================================
-- test error case for create publication on foreign table
-- ===================================================================
CREATE PUBLICATION testpub_ftbl FOR TABLE ft1; -- should fail
ERROR: cannot add relation "ft1" to publication
DETAIL: This operation is not supported for foreign tables.
-- ===================================================================
-- simple queries
-- ===================================================================
-- single table without alias

5
contrib/postgres_fdw/sql/postgres_fdw.sql
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@ -247,6 +247,11 @@ SELECT c3, c4 FROM ft1 ORDER BY c3, c1 LIMIT 1; -- should work again
ANALYZE ft1;
ALTER FOREIGN TABLE ft2 OPTIONS (use_remote_estimate 'true');
-- ===================================================================
-- test error case for create publication on foreign table
-- ===================================================================
CREATE PUBLICATION testpub_ftbl FOR TABLE ft1; -- should fail
-- ===================================================================
-- simple queries
-- ===================================================================

10
src/backend/catalog/pg_publication.c
View File

@ -70,12 +70,18 @@ check_publication_add_relation(Relation targetrel)
errdetail("This operation is not supported for system tables.")));
/* UNLOGGED and TEMP relations cannot be part of publication. */
if (!RelationIsPermanent(targetrel))
if (targetrel->rd_rel->relpersistence == RELPERSISTENCE_TEMP)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("cannot add relation \"%s\" to publication",
RelationGetRelationName(targetrel)),
errdetail("Temporary and unlogged relations cannot be replicated.")));
errdetail("This operation is not supported for temporary tables.")));
else if (targetrel->rd_rel->relpersistence == RELPERSISTENCE_UNLOGGED)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("cannot add relation \"%s\" to publication",
RelationGetRelationName(targetrel)),
errdetail("This operation is not supported for unlogged tables.")));
}
/*

16
src/test/regress/expected/publication.out
View File

@ -258,6 +258,22 @@ DROP TABLE testpub_tbl4;
CREATE PUBLICATION testpub_fortbl FOR TABLE testpub_view;
ERROR: cannot add relation "testpub_view" to publication
DETAIL: This operation is not supported for views.
CREATE TEMPORARY TABLE testpub_temptbl(a int);
-- fail - temporary table
CREATE PUBLICATION testpub_fortemptbl FOR TABLE testpub_temptbl;
ERROR: cannot add relation "testpub_temptbl" to publication
DETAIL: This operation is not supported for temporary tables.
DROP TABLE testpub_temptbl;
CREATE UNLOGGED TABLE testpub_unloggedtbl(a int);
-- fail - unlogged table
CREATE PUBLICATION testpub_forunloggedtbl FOR TABLE testpub_unloggedtbl;
ERROR: cannot add relation "testpub_unloggedtbl" to publication
DETAIL: This operation is not supported for unlogged tables.
DROP TABLE testpub_unloggedtbl;
-- fail - system table
CREATE PUBLICATION testpub_forsystemtbl FOR TABLE pg_publication;
ERROR: cannot add relation "pg_publication" to publication
DETAIL: This operation is not supported for system tables.
SET client_min_messages = 'ERROR';
CREATE PUBLICATION testpub_fortbl FOR TABLE testpub_tbl1, pub_test.testpub_nopk;
RESET client_min_messages;

14
src/test/regress/sql/publication.sql
View File

@ -150,6 +150,20 @@ DROP TABLE testpub_tbl4;
-- fail - view
CREATE PUBLICATION testpub_fortbl FOR TABLE testpub_view;
CREATE TEMPORARY TABLE testpub_temptbl(a int);
-- fail - temporary table
CREATE PUBLICATION testpub_fortemptbl FOR TABLE testpub_temptbl;
DROP TABLE testpub_temptbl;
CREATE UNLOGGED TABLE testpub_unloggedtbl(a int);
-- fail - unlogged table
CREATE PUBLICATION testpub_forunloggedtbl FOR TABLE testpub_unloggedtbl;
DROP TABLE testpub_unloggedtbl;
-- fail - system table
CREATE PUBLICATION testpub_forsystemtbl FOR TABLE pg_publication;
SET client_min_messages = 'ERROR';
CREATE PUBLICATION testpub_fortbl FOR TABLE testpub_tbl1, pub_test.testpub_nopk;
RESET client_min_messages;