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where cannot use alias name of column? - Mailing list pgsql-general

From Giorgio Volpe
Subject where cannot use alias name of column?
Date
Msg-id 3BA097B1.AD659529@gtngroup.it
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Re: where cannot use alias name of column?
Re: where cannot use alias name of column?
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May be it's my ignorance about sql ...
but why cannot i use alias name of a column in a where clause?


# select key as cc from mytable where cc > 0;
ERROR:  Attribute 'cc' not found


--

    Giorgio

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