Den 2011-05-18 16:28 skrev Kjell Rilbe (JIRA) såhär:
> Ref to undefined TABLE ALIAS gives error message about unknown COLUMN
> ---------------------------------------------------------------------
>
>                   Key: CORE-3483
>                   URL: http://tracker.firebirdsql.org/browse/CORE-3483
>               Project: Firebird Core
>            Issue Type: Bug
>            Components: Engine
>      Affects Versions: 2.1.3
>           Environment: Windows 2008 server 64 bit. Classic.
>              Reporter: Kjell Rilbe
>              Priority: Minor
>
>
> select *
> from "Investeringskategori" X
> inner join "Värdeförrådsvärde" Y on Z."ECO_ID" = X."ECO_ID"
>
> Please note that in the join condition I accidentally wrote Z instead of Y. 
> Alias Z isn't defined ANYWHERE. But I still get this error:
>
> Engine Code    : 335544569
> Engine Message :
> Dynamic SQL Error
> SQL error code = -206
> Column unknown
> Z.ECO_ID
> At line 14, column 41
>
> This may be related to CORE-2959.

Now that I've noticed this bug, I see that it seems to happen each and 
every time you happen to reference anything using an undefined table 
alias in a select. Always. So, a pretty consistent bug! :-)

Kjell
-- 
--------------------------------------
Kjell Rilbe
DataDIA AB
E-post: kj...@datadia.se
Telefon: 08-761 06 55
Mobil: 0733-44 24 64


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