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Fix unexpected error messages for various flavors of ALTER TABLE 

Some commands of ALTER TABLE could fail with the following error:
ERROR:  "tab" is of the wrong type

This error is unexpected, as all the code paths leading to
ATWrongRelkindError() should use a supported set of relkinds to generate
correct error messages.  This commit closes the gap with such mistakes,
by adding all the missing relkind combinations.  Tests are added to
check all the problems found.  Note that some combinations are not used,
but these are left around as it could have an impact on applications
relying on this code.

2ed532e has done a much larger refactoring on HEAD to make such error
messages easier to manage in the long-term, so nothing is needed there.

Author: Kyotaro Horiguchi
Reviewed-by: Peter Eisentraut, Ahsan Hadi, Michael Paquier
Discussion: https://postgr.es/m/20210216.181415.368926598204753659.horikyota.ntt@gmail.com
Backpatch-through: 11
This commit is contained in:
Michael Paquier 2021-07-14 17:15:01 +09:00
parent b4842a8d08
commit 0c83eb2e0e
5 changed files with 31 additions and 0 deletions
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9
src/backend/commands/tablecmds.c
View File

@ -6029,6 +6029,12 @@ ATWrongRelkindError(Relation rel, int allowed_targets)
case ATT_TABLE | ATT_MATVIEW | ATT_INDEX:
msg = _("\"%s\" is not a table, materialized view, or index");
break;
case ATT_TABLE | ATT_MATVIEW | ATT_INDEX | ATT_PARTITIONED_INDEX:
msg = _("\"%s\" is not a table, materialized view, index, or partitioned index");
break;
case ATT_TABLE | ATT_MATVIEW | ATT_INDEX | ATT_PARTITIONED_INDEX | ATT_FOREIGN_TABLE:
msg = _("\"%s\" is not a table, materialized view, index, partitioned index, or foreign table");
break;
case ATT_TABLE | ATT_MATVIEW | ATT_FOREIGN_TABLE:
msg = _("\"%s\" is not a table, materialized view, or foreign table");
break;
@ -6041,6 +6047,9 @@ ATWrongRelkindError(Relation rel, int allowed_targets)
case ATT_TABLE | ATT_MATVIEW | ATT_INDEX | ATT_FOREIGN_TABLE:
msg = _("\"%s\" is not a table, materialized view, index, or foreign table");
break;
case ATT_TABLE | ATT_PARTITIONED_INDEX:
msg = _("\"%s\" is not a table or partitioned index");
break;
case ATT_VIEW:
msg = _("\"%s\" is not a view");
break;

10
src/test/regress/expected/alter_table.out
View File

@ -120,6 +120,11 @@ ALTER INDEX attmp_idx ALTER COLUMN 4 SET STATISTICS 1000;
ERROR: column number 4 of relation "attmp_idx" does not exist
ALTER INDEX attmp_idx ALTER COLUMN 2 SET STATISTICS -1;
DROP TABLE attmp;
-- fails with incorrect object type
CREATE VIEW at_v1 AS SELECT 1 as a;
ALTER TABLE at_v1 ALTER COLUMN a SET STATISTICS 0;
ERROR: "at_v1" is not a table, materialized view, index, partitioned index, or foreign table
DROP VIEW at_v1;
--
-- rename - check on both non-temp and temp tables
--
@ -4111,6 +4116,11 @@ ALTER TABLE hash_parted ATTACH PARTITION fail_part FOR VALUES WITH (MODULUS 3, R
ERROR: every hash partition modulus must be a factor of the next larger modulus
DETAIL: The new modulus 3 is not a factor of 4, the modulus of existing partition "hpart_1".
DROP TABLE fail_part;
-- fails with incorrect object type
CREATE VIEW at_v1 AS SELECT 1 as a;
ALTER TABLE at_v1 ATTACH PARTITION dummy default;
ERROR: "at_v1" is not a table or partitioned index
DROP VIEW at_v1;
--
-- DETACH PARTITION
--

2
src/test/regress/expected/foreign_data.out
View File

@ -880,6 +880,8 @@ ALTER FOREIGN TABLE ft1 DROP COLUMN c9;
ALTER FOREIGN TABLE ft1 SET SCHEMA foreign_schema;
ALTER FOREIGN TABLE ft1 SET TABLESPACE ts; -- ERROR
ERROR: relation "ft1" does not exist
ALTER FOREIGN TABLE foreign_schema.ft1 SET TABLESPACE ts; -- ERROR
ERROR: "ft1" is not a table, materialized view, index, or partitioned index
ALTER FOREIGN TABLE foreign_schema.ft1 RENAME c1 TO foreign_column_1;
ALTER FOREIGN TABLE foreign_schema.ft1 RENAME TO foreign_table_1;
\d foreign_schema.foreign_table_1

9
src/test/regress/sql/alter_table.sql
View File

@ -158,6 +158,10 @@ ALTER INDEX attmp_idx ALTER COLUMN 2 SET STATISTICS -1;
DROP TABLE attmp;
-- fails with incorrect object type
CREATE VIEW at_v1 AS SELECT 1 as a;
ALTER TABLE at_v1 ALTER COLUMN a SET STATISTICS 0;
DROP VIEW at_v1;
--
-- rename - check on both non-temp and temp tables
@ -2640,6 +2644,11 @@ ALTER TABLE hash_parted ATTACH PARTITION fail_part FOR VALUES WITH (MODULUS 8, R
ALTER TABLE hash_parted ATTACH PARTITION fail_part FOR VALUES WITH (MODULUS 3, REMAINDER 2);
DROP TABLE fail_part;
-- fails with incorrect object type
CREATE VIEW at_v1 AS SELECT 1 as a;
ALTER TABLE at_v1 ATTACH PARTITION dummy default;
DROP VIEW at_v1;
--
-- DETACH PARTITION
--

1
src/test/regress/sql/foreign_data.sql
View File

@ -408,6 +408,7 @@ ALTER FOREIGN TABLE ft1 DROP COLUMN IF EXISTS no_column;
ALTER FOREIGN TABLE ft1 DROP COLUMN c9;
ALTER FOREIGN TABLE ft1 SET SCHEMA foreign_schema;
ALTER FOREIGN TABLE ft1 SET TABLESPACE ts; -- ERROR
ALTER FOREIGN TABLE foreign_schema.ft1 SET TABLESPACE ts; -- ERROR
ALTER FOREIGN TABLE foreign_schema.ft1 RENAME c1 TO foreign_column_1;
ALTER FOREIGN TABLE foreign_schema.ft1 RENAME TO foreign_table_1;
\d foreign_schema.foreign_table_1