* Alvaro Herrera: >> > Florian Weimer <[EMAIL PROTECTED]> writes: >> >> Is it possible to create an index to support queries of the form >> >> "column LIKE '%suffix'" (similar to an ordinary index for LIKE >> >> 'prefix%', which I also need)? > > It is possible to create a functional index on the reverse of the > string.
Okay. Is there a predefined reverse function? I couldn't find one and I'm wondering if I just missed it. > Whether or not this beats tsearch2 is something you should investigate ... It's also possible that for this type of query, sequential scans are good enough. I forgot that they are quite fast. ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org