Re: like/ilike improvements - Mailing list pgsql-hackers

From Tom Lane
Subject Re: like/ilike improvements
Date
Msg-id 20530.1179931269@sss.pgh.pa.us
Whole thread Raw
In response to Re: like/ilike improvements  (Andrew Dunstan <andrew@dunslane.net>)
Responses Re: like/ilike improvements  (Andrew Dunstan <andrew@dunslane.net>)
Re: like/ilike improvements  (Andrew Dunstan <andrew@dunslane.net>)
Re: like/ilike improvements  (Andrew Dunstan <andrew@dunslane.net>)
List pgsql-hackers
Andrew Dunstan <andrew@dunslane.net> writes:
> We should only be able to get out of step from the "%_" case, I believe, 
> so we should only need to do the first-byte test in that case (which is 
> in a different code path from the normal "_" case. Does that seem right?

At least put Assert(IsFirstByte()) in the main path.

I'm a bit suspicious of the separate-path business anyway.  Will it do
the right thing with say "%%%_" ?
        regards, tom lane


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