Ok, next stupid question that I can't find in the docs... How would I join a table to an array? IE: if I have an array of primary keys for some table and I want to get the name field from that table and turn it back into an array, how would I do that?
On Thu, Oct 28, 2004 at 05:21:52PM -0600, Michael Fuhr wrote: > On Thu, Oct 28, 2004 at 05:37:29PM -0500, Jim C. Nasby wrote: > > I'm sure this has been answered before, but the search seems to be down > > again. > > > > How can I convert the results of a subselect into an array? IE: > > > > CREATE TABLE a(a int, b int, c int[]); > > INSERT INTO table_a > > SELECT a, b, (SELECT c FROM table_c WHERE table_c.parent = table_b.id) > > FROM table_b > > See the "Array Constructors" section in the PostgreSQL documentation: > > http://www.postgresql.org/docs/7.4/static/sql-expressions.html#SQL-SYNTAX-ARRAY-CONSTRUCTORS > > INSERT INTO table_a > SELECT a, b, ARRAY(SELECT c FROM table_c WHERE table_c.parent = table_b.id) > FROM table_b > > -- > Michael Fuhr > http://www.fuhr.org/~mfuhr/ > > ---------------------------(end of broadcast)--------------------------- > TIP 7: don't forget to increase your free space map settings > -- Jim C. Nasby, Database Consultant [EMAIL PROTECTED] Give your computer some brain candy! www.distributed.net Team #1828 Windows: "Where do you want to go today?" Linux: "Where do you want to go tomorrow?" FreeBSD: "Are you guys coming, or what?" ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
