BUG #8260: problem with sequence and tablename

Object names are limited to a length of NAMEDATALEN-1, which defaults to
63, and are documented to be truncated.

http://www.postgresql.org/docs/9.2/static/sql-syntax-lexical.html

The behaviour you are observing appears to conform to the documentation,
and seems reasonable, so I wouldn't think this was a bug.

daniel.degasperi@r3-gis.com writes:

CREATE TABLE t23456789012345678901234567890123456789012345678901
(
t1234_id serial,
PRIMARY KEY (t1234_id)
)
WITH (
OIDS=FALSE
);

This generated the sequence:

CREATE SEQUENCE
t2345678901234567890123456789012345678901234567890_t1234_id_seq

That's operating as designed.

The table-part in the sequence name was truncated.

Would you rather it failed entirely? You're up against the limit on
name length (63 bytes in a standard Postgres build).

regards, tom lane

--
Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-bugs

Am 27.06.2013 19:10, schrieb Tom Lane:

daniel.degasperi@r3-gis.com writes:

CREATE TABLE t23456789012345678901234567890123456789012345678901
(
t1234_id serial,
PRIMARY KEY (t1234_id)
)
WITH (
OIDS=FALSE
);
This generated the sequence:
CREATE SEQUENCE
t2345678901234567890123456789012345678901234567890_t1234_id_seq

That's operating as designed.

The table-part in the sequence name was truncated.

Would you rather it failed entirely? You're up against the limit on
name length (63 bytes in a standard Postgres build).

I don't know if a fail is the best solution, maybe a NOTICE, that the
sequence name is not constructed as might be naively expected, would be
appropriate.

thanks and regards,
Daniel

regards, tom lane

--
*Daniel Degasperi*
Project manager

*R3 GIS* Srl - GmbH

I-39012 Merano/Meran (BZ) - Via Johann Kravogl-Str. 2
I-20133 Milano (MI) - Via Vallisneri 2
web: www.r3-gis.com <http://www.r3-gis.com/&gt;
Email: daniel.degasperi@r3-gis.com <mailto:daniel.degasperi@r3-gis.com>
Tel. : +39 0473 494949
Fax : +39 0473 069902

*ATTENZIONE!* Le informazioni contenute nella presente e-mail e nei
documenti eventualmente allegati sono confidenziali. La loro diffusione,
distribuzione e/o riproduzione da parte di terzi, senza autorizzazione
del mittente è vietata e può violare il D. Lgs. 196/2003. In caso di
ricezione per errore, Vogliate immediatamente informare il mittente del
messaggio e distruggere la e-mail.

*ACHTUNG!* Die in dieser Nachricht oder in den beigelegten Dokumenten
beinhalteten Informationen sind streng vertraulich. Ihre Verbreitung
und/oder ihre Wiedergabe durch Dritte ist ohne Erlaubnis des Absenders
verboten und verstößt gegen das Legislativdekret 196/2003. Sollten Sie
diese Mitteilung irrtümlicherweise erhalten haben, bitten wir Sie uns
umgehend zu informieren und anschließend die Mitteilung zu vernichten.

*WARNING!* This e-mail may contain confidential and/or privileged
information. If you are not the intended recipient (or have received
this e-mail in error) please notify the sender immediately and destroy
this e-mail. Any unauthorised copying, disclousure or distribution of
the material in this e-mail is strictly forbidden and could be against
the law (D. Lgs. 196/2003)