Guillaume Lelarge <guilla...@lelarge.info> writes: > On Sat, 2011-06-11 at 17:01 +0200, Leif Biberg Kristensen 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 "("
> Because it's not supported. The START clause expects a value, not a > subquery. More generally, there are no "utility" statements in PG that accept non-constant expressions in their parameters. (A utility statement is anything other than SELECT, INSERT, UPDATE, DELETE.) There's been occasional speculation about changing that, but it would take a significant amount of work I think. regards, tom lane -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql