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Problem with self-join updates... - Mailing list pgsql-sql

From Benoit Menendez
Subject Problem with self-join updates...
Date
Msg-id 002101c1b650$18f087a0$0201a8c0@osprey
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Responses Re: Problem with self-join updates...
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I have the following self-join update:
 
            update TABLE set PARENT_ID=parent.PARENT_ID
            from TABLE, TABLE parent
            where TABLE.PARENT_ID=parent.ID
            and parent.ID in (1,2,3,4)
This query is use to update a hierarchy before deleting specific records...
 
I get the following error:
 
    Table name "table" specified more than once
 
This appears to be a limitation of the update syntax which is not documented...
 
Is this something that will be fixed soon? or should I write this query differently?
 
Any suggestions?
 
Thanks for your help.
 
    Benoit

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