Re: [BUGS] BUG #3767: tsearch2 index creation fatal crash

Tom Lane wrote:
> "Thomas H." <me@alternize.com> writes:
> > i saw my mistake. i misinterpreted the examples to show the possibility
> > to convert *any* text by using casting to tsvector as an alternative to
> > using to_tsvector :)
>
> Yeah, the examples in section 12.1.2 are not actually good practice:
> both sides of the match should usually get normalized before comparison,
> and these examples don't do that.
>
> I'm not sure that putting in to_tsvector calls there would be an
> improvement, though, since at that point we haven't introduced
> to_tsvector.
>
> Thoughts anyone?

Yep, I saw that chicken and egg problem in the docs when I was reviewing
it long ago.  I never came up with a solution either.  We would have to
introduce configurations a lot earlier, but how would you explain them
when you don't know what a tsvector is.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://postgres.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +