Also sprach Tom Lane (tgl@xxxxxxxxxxxxx) > "Stefan 'Kaishakunin' Schumacher" <stefan@xxxxxxxxxx> writes: > > I have a table with an array column (tags text[]) which I want to > > select from via ANY and RegExes. > > > SELECT tags from zettelkasten where 'Sozialpsychologie' ~* any(tags) order by > > ident; > > Did you look at the matches? I suspect this isn't behaving even > remotely the way you want, because ~* expects the pattern operand > on the right. Indeed, the results of ~* are not stable. > Since there's no SQL syntax with ANY() on the left of the comparison > operator, what you'd need to do to make this work is invent a "reverse > regex" operator that switches its arguments. That'd be pretty trivial > to do with a one-line plpgsql function under it. (I'm not sure what > performance would be like though; as the table grows you might find > yourself needing to change the reversing function to C.) So there is no builtin way to do a regex search in Arrays? mit freundlichen Grüßen Stefan Schumacher -- http://www.bildungswissenschaft.info http://www.open-source-tag.de -- Magdeburger Open-Source-Tag Entwicklung trifft Anwendung -- 11. Oktober 2008
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