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Thread: Bug #581: Sequence cannot be deleted

Bug #581: Sequence cannot be deleted

From
pgsql-bugs@postgresql.org
Date:
BAZIN Nicolas (nbazin@ingenico.com.au) reports a bug with a severity of 1
The lower the number the more severe it is.

Short Description
Sequence cannot be deleted

Long Description
A Sequence is created automatically with the SQL command:
CREATE TABLE fa_ccpsholderscpt(hsc_serial  SERIAL  NOT NULL ,chd_serial INTEGER NOT NULL ,hsc_respcode CHAR(2) NOT NULL
,scp_codeCHAR(4) NOT NULL ,imp_flag SMALLINT) 

but when I try to delete it with the following command:
DROP SEQUENCE fa_ccpsholderscpt_hsc_serial_seq

I get this error:
sequence "fa_ccpsholderscpt_hsc_serial_se" does not exist

I work with version 7.1.3 on Openserver 5.0.5, gcc 2.95.3 and send the SQL commands through the JDBC driver.


Sample Code


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Re: Bug #581: Sequence cannot be deleted

From
Tom Lane
Date:
pgsql-bugs@postgresql.org writes:
> A Sequence is created automatically with the SQL command:
> CREATE TABLE fa_ccpsholderscpt(hsc_serial  SERIAL  NOT NULL ,chd_serial INTEGER NOT NULL ,hsc_respcode CHAR(2) NOT
NULL,scp_code CHAR(4) NOT NULL ,imp_flag SMALLINT) 

Okay, let's try it ...

regression=# CREATE TABLE fa_ccpsholderscpt(hsc_serial  SERIAL  NOT NULL ,chd_serial INTEGER NOT NULL ,hsc_respcode
CHAR(2)NOT NULL ,scp_code CHAR(4) NOT NULL ,imp_flag SMALLINT); 
NOTICE:  CREATE TABLE will create implicit sequence 'fa_ccpsholderscp_hsc_serial_seq' for SERIAL column
'fa_ccpsholderscpt.hsc_serial'
NOTICE:  CREATE TABLE / UNIQUE will create implicit index 'fa_ccpsholderscp_hsc_serial_key' for table
'fa_ccpsholderscpt'
CREATE

> but when I try to delete it with the following command:
> DROP SEQUENCE fa_ccpsholderscpt_hsc_serial_seq
> I get this error:
> sequence "fa_ccpsholderscpt_hsc_serial_se" does not exist

Not surprising, because that's not what it's called.  Check the NOTICE
again.

            regards, tom lane

Re: Bug #581: Sequence cannot be deleted

From
Stephan Szabo
Date:
On Mon, 11 Feb 2002 pgsql-bugs@postgresql.org wrote:

> BAZIN Nicolas (nbazin@ingenico.com.au) reports a bug with a severity of 1
> The lower the number the more severe it is.
>
> Short Description
> Sequence cannot be deleted
>
> Long Description A Sequence is created automatically with the SQL
> command:

> CREATE TABLE fa_ccpsholderscpt(hsc_serial SERIAL NOT NULL ,chd_serial
> INTEGER NOT NULL ,hsc_respcode CHAR(2) NOT NULL ,scp_code CHAR(4) NOT
> NULL ,imp_flag SMALLINT)
>
> but when I try to delete it with the following command:
> DROP SEQUENCE fa_ccpsholderscpt_hsc_serial_seq

That's not the name of the sequence in question unless you've upped
the number of characters in an identifier.  The sequence appears to
on my machine be named "fa_ccpsholderscp_hsc_serial_seq" because the
name would have ended up being too long.