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Like seems to fail !

From: Yves Martin <yma(at)elca(dot)ch>
To: sqllist <pgsql-sql(at)postgresql(dot)org>
Subject: Like seems to fail !
Date: 2000-11-20 07:28:03
Message-ID: 00112008291300.01625@pcyma.elca.ch (view raw or flat)
Thread:
Lists: pgsql-sql
	Hello,

    I have a strange problem with 'like' behaviour 
    when I upgrade from 6.5 to 7.0

    Here is my table :

create table persistent_config (
    key     varchar primary key,
    type    varchar(12),
    value   varchar not null
)

    and its content :

base=# select * from persistent_config;
    key     | type |    value     
------------+------+--------------
 /test/info |      | avalue
 /try/info  |      | avalue
 /test/key  |      | changedvalue
(3 rows)

    And I try this 'like' command in psql :

base=# select * from persistent_config where key like '/test%';
    key     | type |    value     
------------+------+--------------
 /test/info |      | avalue
 /test/key  |      | changedvalue
(2 rows)

         Result is ok !

   By now, this other one :

base=# select * from persistent_config where key like '/%';
 key | type | value 
-----+------+-------
(0 rows)

     There is really something wrong !  All current content should have been
     returned. Is '/' caracter a new 'escape' caracter since version 6.5
     In fact, my query was working well on postgresql 6.5 and since I upgraded
     to 7.0, this simple command failed.
     Is it a bug, or I missed something ?

  Regards,

-- 
Yves Martin
yma, Lausanne


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