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Add support for renaming constraints

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reviewed by Josh Berkus and Dimitri Fontaine
This commit is contained in:
Peter Eisentraut
2012-03-10 20:19:13 +02:00
parent e914a144d3
commit 39d74e346c
7 changed files with 306 additions and 3 deletions
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40
src/test/regress/sql/alter_table.sql
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@ -191,6 +191,46 @@ DROP VIEW tmp_view_new;
alter table stud_emp rename to pg_toast_stud_emp;
alter table pg_toast_stud_emp rename to stud_emp;
-- renaming index should rename constraint as well
ALTER TABLE onek ADD CONSTRAINT onek_unique1_constraint UNIQUE (unique1);
ALTER INDEX onek_unique1_constraint RENAME TO onek_unique1_constraint_foo;
ALTER TABLE onek DROP CONSTRAINT onek_unique1_constraint_foo;
-- renaming constraint
ALTER TABLE onek ADD CONSTRAINT onek_check_constraint CHECK (unique1 >= 0);
ALTER TABLE onek RENAME CONSTRAINT onek_check_constraint TO onek_check_constraint_foo;
ALTER TABLE onek DROP CONSTRAINT onek_check_constraint_foo;
-- renaming constraint should rename index as well
ALTER TABLE onek ADD CONSTRAINT onek_unique1_constraint UNIQUE (unique1);
DROP INDEX onek_unique1_constraint; -- to see whether it's there
ALTER TABLE onek RENAME CONSTRAINT onek_unique1_constraint TO onek_unique1_constraint_foo;
DROP INDEX onek_unique1_constraint_foo; -- to see whether it's there
ALTER TABLE onek DROP CONSTRAINT onek_unique1_constraint_foo;
-- renaming constraints vs. inheritance
CREATE TABLE constraint_rename_test (a int CONSTRAINT con1 CHECK (a > 0), b int, c int);
\d constraint_rename_test
CREATE TABLE constraint_rename_test2 (a int CONSTRAINT con1 CHECK (a > 0), d int) INHERITS (constraint_rename_test);
\d constraint_rename_test2
ALTER TABLE constraint_rename_test2 RENAME CONSTRAINT con1 TO con1foo; -- fail
ALTER TABLE ONLY constraint_rename_test RENAME CONSTRAINT con1 TO con1foo; -- fail
ALTER TABLE constraint_rename_test RENAME CONSTRAINT con1 TO con1foo; -- ok
\d constraint_rename_test
\d constraint_rename_test2
ALTER TABLE ONLY constraint_rename_test ADD CONSTRAINT con2 CHECK (b > 0);
ALTER TABLE ONLY constraint_rename_test RENAME CONSTRAINT con2 TO con2foo; -- ok
ALTER TABLE constraint_rename_test RENAME CONSTRAINT con2foo TO con2bar; -- ok
\d constraint_rename_test
\d constraint_rename_test2
ALTER TABLE constraint_rename_test ADD CONSTRAINT con3 PRIMARY KEY (a);
ALTER TABLE constraint_rename_test RENAME CONSTRAINT con3 TO con3foo; -- ok
\d constraint_rename_test
\d constraint_rename_test2
DROP TABLE constraint_rename_test2;
DROP TABLE constraint_rename_test;
ALTER TABLE IF EXISTS constraint_rename_test ADD CONSTRAINT con4 UNIQUE (a);
-- FOREIGN KEY CONSTRAINT adding TEST
CREATE TABLE tmp2 (a int primary key);