Re: [HACKERS] Broken select on regular expression !!!

> Tatsuo Ishii <t-ishii@sra.co.jp> writes:
> >> Something is rotten in the state of Denmark...
> 
> > These all oddness are caused by the parser (makeIndexable).
> 
> Ah-hah, I'm sure you're right.  That makes *two* serious bugs in
> makeIndexable.  (We still don't have an adequate solution
> for its known problem in non-C locales...)
> 
> > It seems that the only solution is checking '|' to see if it appears
> > in the target regexp and giving up the optimization in that case.
> 
> I'm feeling a strong urge to just rip out makeIndexable until
> it can be redesigned... how many other problems has it got
> that we haven't stumbled upon?

But if we rip it out, people will complain we are not using the index
for regex and LIKE.  That is a pretty serious complaint.

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