On Thu, Sep 06, 2007 at 11:08:02AM +0200, Alban Hertroys wrote:
> create index tmp_idx on table(number) where number != trim(number);
> analyze table;
> update table set number = trim(number) where number != trim(number);
dont use !=. use <>. != does something different, and in fact it is
not a real operator - it's just 2 operators bundled together.
depesz
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