Odd query result - Mailing list pgsql-general

From Maximilian Tyrtania
Subject Odd query result
Date
Msg-id 93BF653F-F56D-4A53-84E5-985153CF6BB6@contactking.de
Whole thread Raw
Responses Re: Odd query result  (Frank Lanitz <frank@frank.uvena.de>)
Re: Odd query result  (Sergey Konoplev <gray.ru@gmail.com>)
List pgsql-general
Hello from Berlin,

I can't quite make sense of this (running PG 9.0.3):

psql (9.0.3)
Type "help" for help.

FAKDB=# Select _rowid,f_firmen_isKunde(firmen),bezeichnung::text from firmen where
                             (firmen.bezeichnung='Microsoft Deutschland GmbH'); 
  _rowid  | f_firmen_iskunde |        bezeichnung
----------+------------------+----------------------------
  1214700 | f                | Microsoft Deutschland GmbH
 15779700 | t                | Microsoft Deutschland GmbH
   166300 | t                | Microsoft Deutschland GmbH
(3 rows)

FAKDB=# Select _rowid,f_firmen_isKunde(firmen),bezeichnung::text from
FAKDB-# firmen where
FAKDB-# (firmen.bezeichnung='Microsoft Deutschland GmbH') and
FAKDB-# (f_firmen_isKunde(firmen)=true) and firmen._rowid=15779700 ;
  _rowid  | f_firmen_iskunde |        bezeichnung
----------+------------------+----------------------------
 15779700 | t                | Microsoft Deutschland GmbH
(1 row)

Fine. But this record won't be found if I omit the last condition.

FAKDB=# Select _rowid,f_firmen_isKunde(firmen),bezeichnung::text from firmen where
                             (firmen.bezeichnung='Microsoft Deutschland GmbH') and (f_firmen_isKunde(firmen)=true); 
 _rowid | f_firmen_iskunde |        bezeichnung
--------+------------------+----------------------------
 166300 | t                | Microsoft Deutschland GmbH
(1 row)


What might be up there?

Maximilian Tyrtania
http://www.contactking.de



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