Re: [HACKERS] SQL92

> > > The SQL92 LIKE:
> > >
> > > character-string-expression [NOT] LIKE pattern [ESCAPE
> > > 'escape-char']
> > >
> > > allows only the special characters % and _
> > >
> > > You need The SQL3 SIMILAR
> > >
> > > character-string-expression [NOT] SIMILAR TO pattern [ESCAPE
> > > 'escape-char']
> > >
> > > in this case pattern can involve additional special characters, not
> > just
> > > % and _ as in LIKE, but every regular expression or
> > "[character_set]"
> > > like you said. (Refer to "A Guide to SQL Standard 4th edition
> > > Date-Rarwen, page 505).
> > >
> > > Jose'
> > >
> > >
> >
> > TODO item changed to:
> >
> > * add SIMILAR to allow character classes, 'pg_[a-c]%'
> So are we going to add the character class support to LIKE or SIMILAR or
> both? Just looking for clarification. Or are we going to use the regex
> code for both?

No idea. It is just a valid TODO item.

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