Yes, this is a known problem, and our TODO list mentions them. We
haven't had time to fix them yet.
---------------------------------------------------------------------------
Jonathan Gardner wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> PostgreSQL 7.3.2 (Redhat 9)
>
> When creating a table, primary key indexes and serial sequences are created
> as well. Naively altering the name of the table does not modify the names
> of the dependent primary key indexes and serial sequences. It was expected
> that the indexes and serial sequences would've been renamed as if they had
> been created originally with the new table name.
>
> This isn't a critical bug, but it would make PostgreSQL that much more
> accessible to novices.
>
> # CREATE TABLE test ( id SERIAL PRIMARY KEY );
> NOTICE: CREATE TABLE will create implicit sequence 'test_id_seq' for SERIAL
> column 'test.id'
> NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index 'test_pkey'
> for table 'test'
> CREATE TABLE
>
> # ALTER TABLE test RENAME TO old_test;
> ALTER TABLE
>
> # CREATE TABLE test ( id SERIAL PRIMARY KEY );
> NOTICE: CREATE TABLE will create implicit sequence 'test_id_seq' for SERIAL
> column 'test.id'
> NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index 'test_pkey'
> for table 'test'
> ERROR: Relation 'test_id_seq' already exists
>
> Also, note that:
> # CREATE TABLE test ( id INTEGER PRIMARY KEY );
> NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index 'test_pkey'
> for table 'test'
> CREATE TABLE
>
> # ALTER TABLE test RENAME TO old_test;
> ALTER TABLE
>
> # CREATE TABLE test ( id INTEGER PRIMARY KEY );
> NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index 'test_pkey'
> for table 'test'
> ERROR: relation named "test_pkey" already exists
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
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