On Friday 22 June 2007, David Goodenough wrote: > I have a table that consists of a set of regular expressions, a priority > and a result. I need to be able to match field in another table against > the set of regular expressions (ordered by priority) and use the first > result. > > Reading the documentation I can see how to put the regular expression > into an SQL statement (that is as text or a ? which my code provides) but > I can not see how to get the expression from the table. > > David > > ---------------------------(end of broadcast)--------------------------- > TIP 2: Don't 'kill -9' the postmaster OK, I worked it out for myself. Of course I can put a field name on the right hand side of the SIMILAR TO and the ? on the left had side, then it works just as you would expect. So:- select result from rules where ? similar to "rule" order by priority limit 1 gives me the answer I want. David