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This patch adds a missing heap_freetuple() to renamerel(), documents 

the decision not to make renamerel() update the sequence name that
is stored within sequences themselves (thanks to Tom Lane), and adds
some rudimentary regression tests for ALTER TABLE ... RENAME on
non-table relations.

Neil Conway
This commit is contained in:
Bruce Momjian 2002-04-05 11:58:24 +00:00
parent 00f4a7d3c3
commit 80f46fab63
3 changed files with 53 additions and 1 deletions
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9
src/backend/commands/rename.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/rename.c,v 1.68 2002/03/31 07:49:30 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/rename.c,v 1.69 2002/04/05 11:58:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -248,6 +248,12 @@ renameatt(Oid relid,
/*
* renamerel - change the name of a relation
*
* XXX - When renaming sequences, we don't bother to modify the
* sequence name that is stored within the sequence itself
* (this would cause problems with MVCC). In the future,
* the sequence name should probably be removed from the
* sequence, AFAIK there's no need for it to be there.
*/
void
renamerel(Oid relid, const char *newrelname)
@ -312,6 +318,7 @@ renamerel(Oid relid, const char *newrelname)
CatalogCloseIndices(Num_pg_class_indices, irelations);
heap_close(relrelation, NoLock);
heap_freetuple(reltup);
/*
* Also rename the associated type, if any.

29
src/test/regress/expected/alter_table.out
View File

@ -267,6 +267,35 @@ SELECT unique1 FROM tenk1 WHERE unique1 < 5;
4
(5 rows)
-- ALTER TABLE ... RENAME on non-table relations
-- renaming indexes (FIXME: this should probably test the index's functionality)
ALTER TABLE onek_unique1 RENAME TO tmp_onek_unique1;
ALTER TABLE tmp_onek_unique1 RENAME TO onek_unique1;
-- renaming views
CREATE VIEW tmp_view (unique1) AS SELECT unique1 FROM tenk1;
ALTER TABLE tmp_view RENAME TO tmp_view_new;
-- 5 values, sorted
SELECT unique1 FROM tenk1 WHERE unique1 < 5;
unique1
---------
0
1
2
3
4
(5 rows)
DROP VIEW tmp_view_new;
-- renaming sequences
CREATE SEQUENCE foo_seq;
ALTER TABLE foo_seq RENAME TO foo_seq_new;
SELECT * FROM foo_seq_new;
sequence_name | last_value | increment_by | max_value | min_value | cache_value | log_cnt | is_cycled | is_called
---------------+------------+--------------+---------------------+-----------+-------------+---------+-----------+-----------
foo_seq | 1 | 1 | 9223372036854775807 | 1 | 1 | 1 | f | f
(1 row)
DROP SEQUENCE foo_seq_new;
-- FOREIGN KEY CONSTRAINT adding TEST
CREATE TABLE tmp2 (a int primary key);
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index 'tmp2_pkey' for table 'tmp2'

16
src/test/regress/sql/alter_table.sql
View File

@ -163,6 +163,22 @@ ALTER TABLE ten_k RENAME TO tenk1;
-- 5 values, sorted
SELECT unique1 FROM tenk1 WHERE unique1 < 5;
-- ALTER TABLE ... RENAME on non-table relations
-- renaming indexes (FIXME: this should probably test the index's functionality)
ALTER TABLE onek_unique1 RENAME TO tmp_onek_unique1;
ALTER TABLE tmp_onek_unique1 RENAME TO onek_unique1;
-- renaming views
CREATE VIEW tmp_view (unique1) AS SELECT unique1 FROM tenk1;
ALTER TABLE tmp_view RENAME TO tmp_view_new;
-- 5 values, sorted
SELECT unique1 FROM tenk1 WHERE unique1 < 5;
DROP VIEW tmp_view_new;
-- renaming sequences
CREATE SEQUENCE foo_seq;
ALTER TABLE foo_seq RENAME TO foo_seq_new;
SELECT * FROM foo_seq_new;
DROP SEQUENCE foo_seq_new;
-- FOREIGN KEY CONSTRAINT adding TEST
CREATE TABLE tmp2 (a int primary key);