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From: Bruce Momjian <maillist@candle.pha.pa.us>
To: Constantin Teodorescu <teo@flex.ro>
Cc: PostgreSQL Interfaces <pgsql-interfaces@postgreSQL.org>
Cc: pgsql-hackers@postgreSQL.org <pgsql-hackers@postgreSQL.org>
Subject: Re: [HACKERS] Broken select on regular expression  !!!
Date: Wed, 7 Jul 1999 14:25:26 -0400 (EDT)
Message-ID: <199907071825.OAA05675@candle.pha.pa.us> (raw)
In-Reply-To: <3742C185.F57328C0@flex.ro>


Fixed in 6.5 final.


> Hi all,
> 
> I think I have found a bug in regexp based selections.
> Watch this :
> 
> create table regdemo (fld1 varchar(32));
> CREATE
> insert into regdemo values('410');
> INSERT 726409 1
> insert into regdemo values('7410');
> INSERT 726410 1
> insert into regdemo values('source');
> INSERT 726411 1
> insert into regdemo values('destination');
> INSERT 726412 1
> select * from regdemo where fld1 ~* '^sou|^des';
> fld1
> -----------
> source
> destination
> (2 rows)
> 
> select * from regdemo where fld1 ~* '41|^des';
> fld1
> -----------
> 410
> 7410
> destination
> (3 rows)
> 
> select * from regdemo where fld1 ~* '^41|^des';
> fld1
> ----
> (0 rows)
> 
> ^^^^^^^^^^^^^^
> !?!?!?!
> I thought it should return '410' and 'destination' rows. But it returns
> nothing!
> The first select example with ^ in both variants ( ^sou|^des ) works !!!
> The last one ( ^41|^des ) don't !
> 
> Am I missing something?
> I am getting the same result also on 6.4.2 and 6.5 beta 1 versions!
> 
> Best regards,
> -- 
> Constantin Teodorescu
> FLEX Consulting Braila, ROMANIA
> 
> 


-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  maillist@candle.pha.pa.us            |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026



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