Re: tsearch Parser Hacking

On 14 February 2011 23:57, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> "David E. Wheeler" <david(at)kineticode(dot)com> writes:
>> Is it possible to modify the default tsearch parser so that / doesn't get lexed as a "file" token?
>
> There is zero, none, nada, provision for modifying the behavior of the
> default parser, other than by changing its compiled-in state transition
> tables.
>
> It doesn't help any that said tables are baroquely designed and utterly
> undocumented.

This is very true. I intended to look into adding new tokens, but gave
up when I couldn't see how those transition tables worked.

> IMO, sooner or later we need to trash that code and replace it with
> something a bit more modification-friendly.

+1 for annihilating the existing code at some point.

--
Thom Brown
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