Re: [HACKERS] create operator problem
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] create operator problem |
Дата | |
Msg-id | 199804252207.SAA14984@candle.pha.pa.us обсуждение исходный текст |
Ответ на | create operator problem ("Vazsonyi Peter[ke]" <neko@kornel.szif.hu>) |
Список | pgsql-hackers |
> > Hello! > > I use an external function in postgres and here i try create operator for > like with regional character support :: > > -----< Cut begin > create function mylike(text,text) returns bool > as '/home/vip/neko/tudakozo/comp.so' language 'c'; > CREATE > select mylike('Jeno','Jen�'),mylike('aJenO','Jen�'),mylike('fJeNof','Jen�'), > mylike('JEn�ke','Jen�'); > mylike|mylike|mylike|mylike > ------+------+------+------ > t |t |t |t > (1 row) > > select 'f:', mylike('asd','fds'); > ?column?|mylike > --------+------ > f: |f > (1 row) > > -- It works > > drop operator ~~ (text,text); > DROP > create operator ~~ (leftarg=text,rightarg=text,procedure=mylike); > CREATE > select 'this will be true'::text ~~ 'true'; > ?column? > -------- > f > (1 row) > -- it seems not ;( > -----< Cut end > > I'm not a realy postgres guru, but whith postgres 6.2 can i use this > function as operator too. If that was a bug, this letter is a bug report, > but if it isn't please help me! The used postgres's vn: 6.3-2, it runs on a > linux (RH4.2;i386 + updates) We overload ~~ to allow indexing of LIKE operations. Sorry. I will add something to error on redefine of ~~. -- Bruce Momjian | 830 Blythe Avenue maillist@candle.pha.pa.us | Drexel Hill, Pennsylvania 19026 + If your life is a hard drive, | (610) 353-9879(w) + Christ can be your backup. | (610) 853-3000(h)
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