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Improve two error messages related to foreign keys on partitioned tables

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Error messages for creating a foreign key on a partitioned table using
ONLY or NOT VALID were wrong in mentioning the objects they worked on.
This commit adds on the way some regression tests missing for those
cases.

Author: Laurenz Albe
Reviewed-by: Michael Paquier
Discussion: https://postgr.es/m/c11c05810a9ed65e9b2c817a9ef442275a32fe80.camel@cybertec.at
This commit is contained in:
Michael Paquier 2018-10-08 17:56:13 +09:00
parent 4d7c74039f
commit c8ed820c68
3 changed files with 24 additions and 2 deletions
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6
src/backend/commands/tablecmds.c
View File

@ -7334,12 +7334,14 @@ ATAddForeignKeyConstraint(List **wqueue, AlteredTableInfo *tab, Relation rel,
if (!recurse) if (!recurse)
ereport(ERROR, ereport(ERROR,
(errcode(ERRCODE_WRONG_OBJECT_TYPE), (errcode(ERRCODE_WRONG_OBJECT_TYPE),
errmsg("foreign key referencing partitioned table \"%s\" must not be ONLY", errmsg("cannot use ONLY for foreign key on partitioned table \"%s\" referencing relation \"%s\"",
RelationGetRelationName(rel),
RelationGetRelationName(pkrel)))); RelationGetRelationName(pkrel))));
if (fkconstraint->skip_validation && !fkconstraint->initially_valid) if (fkconstraint->skip_validation && !fkconstraint->initially_valid)
ereport(ERROR, ereport(ERROR,
(errcode(ERRCODE_WRONG_OBJECT_TYPE), (errcode(ERRCODE_WRONG_OBJECT_TYPE),
errmsg("cannot add NOT VALID foreign key to relation \"%s\"", errmsg("cannot add NOT VALID foreign key on partitioned table \"%s\" referencing relation \"%s\"",
RelationGetRelationName(rel),
RelationGetRelationName(pkrel)), RelationGetRelationName(pkrel)),
errdetail("This feature is not yet supported on partitioned tables."))); errdetail("This feature is not yet supported on partitioned tables.")));
} }

11
src/test/regress/expected/foreign_key.out
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@ -1465,6 +1465,17 @@ CREATE TABLE fk_partitioned_fk_3_0 PARTITION OF fk_partitioned_fk_3 FOR VALUES W
CREATE TABLE fk_partitioned_fk_3_1 PARTITION OF fk_partitioned_fk_3 FOR VALUES WITH (MODULUS 5, REMAINDER 1); CREATE TABLE fk_partitioned_fk_3_1 PARTITION OF fk_partitioned_fk_3 FOR VALUES WITH (MODULUS 5, REMAINDER 1);
ALTER TABLE fk_partitioned_fk ATTACH PARTITION fk_partitioned_fk_3 ALTER TABLE fk_partitioned_fk ATTACH PARTITION fk_partitioned_fk_3
FOR VALUES FROM (2000,2000) TO (3000,3000); FOR VALUES FROM (2000,2000) TO (3000,3000);
-- Creating a foreign key with ONLY on a partitioned table referencing
-- a non-partitioned table fails.
ALTER TABLE ONLY fk_partitioned_fk ADD FOREIGN KEY (a, b)
REFERENCES fk_notpartitioned_pk;
ERROR: cannot use ONLY for foreign key on partitioned table "fk_partitioned_fk" referencing relation "fk_notpartitioned_pk"
-- Adding a NOT VALID foreign key on a partitioned table referencing
-- a non-partitioned table fails.
ALTER TABLE fk_partitioned_fk ADD FOREIGN KEY (a, b)
REFERENCES fk_notpartitioned_pk NOT VALID;
ERROR: cannot add NOT VALID foreign key on partitioned table "fk_partitioned_fk" referencing relation "fk_notpartitioned_pk"
DETAIL: This feature is not yet supported on partitioned tables.
-- these inserts, targetting both the partition directly as well as the -- these inserts, targetting both the partition directly as well as the
-- partitioned table, should all fail -- partitioned table, should all fail
INSERT INTO fk_partitioned_fk (a,b) VALUES (500, 501); INSERT INTO fk_partitioned_fk (a,b) VALUES (500, 501);

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

@ -1106,6 +1106,15 @@ CREATE TABLE fk_partitioned_fk_3_1 PARTITION OF fk_partitioned_fk_3 FOR VALUES W
ALTER TABLE fk_partitioned_fk ATTACH PARTITION fk_partitioned_fk_3 ALTER TABLE fk_partitioned_fk ATTACH PARTITION fk_partitioned_fk_3
FOR VALUES FROM (2000,2000) TO (3000,3000); FOR VALUES FROM (2000,2000) TO (3000,3000);
-- Creating a foreign key with ONLY on a partitioned table referencing
-- a non-partitioned table fails.
ALTER TABLE ONLY fk_partitioned_fk ADD FOREIGN KEY (a, b)
REFERENCES fk_notpartitioned_pk;
-- Adding a NOT VALID foreign key on a partitioned table referencing
-- a non-partitioned table fails.
ALTER TABLE fk_partitioned_fk ADD FOREIGN KEY (a, b)
REFERENCES fk_notpartitioned_pk NOT VALID;
-- these inserts, targetting both the partition directly as well as the -- these inserts, targetting both the partition directly as well as the
-- partitioned table, should all fail -- partitioned table, should all fail
INSERT INTO fk_partitioned_fk (a,b) VALUES (500, 501); INSERT INTO fk_partitioned_fk (a,b) VALUES (500, 501);