[PERFORM] LIKE query problem

2006-09-18 Thread Marc McIntyre
I'm having a problem with a simple query, that finds children of a node, using a materialized path to the node. The query: select n1.id from nodes n1, nodes n2 where n1.path like n2.path || '%' and n2.id = 14; QUERY PLAN

Re: [PERFORM] LIKE query problem

2006-09-18 Thread Marc McIntyre
Thanks Tom, Is that documented somewhere? I can't seem to see any mention of it in the docs. Tom Lane wrote: Marc McIntyre [EMAIL PROTECTED] writes: ... Is there a way to perform this efficiently in one query ? No, because you're hoping for an indexscan optimization of a LIKE

[PERFORM] Slow Query

2005-07-13 Thread Marc McIntyre
(published) sq_ast_type_code btree (type_code) sq_ast_updated btree (updated) Any ideas? -- Marc McIntyre MySource Matrix Lead Developer ---(end of broadcast)--- TIP 9: In versions below 8.0, the planner will ignore your desire