Leif Biberg Kristensen <l...@solumslekt.org> wrote: > Can anybody tell me why this doesn't work? > > pgslekt=> CREATE SEQUENCE sources_source_id_seq START WITH (SELECT > MAX(source_id) FROM sources); > ERROR: syntax error at or near "(" > LINE 1: CREATE SEQUENCE sources_source_id_seq START WITH (SELECT MAX... > ^ > pgslekt=> > > regards, Leif
You can't do that, but you can do this: test=# select * from foo; i ---- 98 99 (2 rows) Time: 0,146 ms test=*# \ds seq_foo; No matching relations found. test=*# do $$ declare m int; begin select into m max(i) from foo; execute 'create sequence seq_foo start with ' || m; end; $$; DO Time: 1,115 ms test=*# \ds seq_foo; List of relations Schema | Name | Type | Owner --------+---------+----------+------------ public | seq_foo | sequence | kretschmer (1 row) test=*# select * from seq_foo; sequence_name | last_value | start_value | increment_by | max_value | min_value | cache_value | log_cnt | is_cycled | is_called ---------------+------------+-------------+--------------+---------------------+-----------+-------------+---------+-----------+----------- seq_foo | 99 | 99 | 1 | 9223372036854775807 | 1 | 1 | 1 | f | f (1 row) I'm using 9.1Beta, but it works since 9.0, see: http://www.depesz.com/index.php/2009/11/01/waiting-for-8-5-do/#more-1535 Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889° -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql