On Fri, Aug 17, 2007 at 07:49:08PM +0800, Phoenix Kiula wrote: > I have dropped all indexes/indicises on my table, except for the > primary key. Still, when I run the query: > UPDATE mytable SET mycolumn = lower(mycolumn); can you please check this: select count(*) from mytable; select count(*) from mytable where mycolumn ~ '[A-Z]'; and if the second is lower than first make the update: update mytable set mycolumn = lower(mycolumn) where mycolumn ~ '[A-Z]'; of course if your data contain national characters you have to include them (upper case only) in this regexp. depesz -- quicksil1er: "postgres is excellent, but like any DB it requires a highly paid DBA. here's my CV!" :) http://www.depesz.com/ - blog dla ciebie (i moje CV) ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your message can get through to the mailing list cleanly
