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Table Alias posing problem in Update statements

From: Pushker Chaubey <pchaubey(at)vertex(dot)co(dot)in>
To: pgsql-jdbc(at)postgresql(dot)org
Subject: Table Alias posing problem in Update statements
Date: 2008-09-01 15:01:05
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-jdbc

Hi experts,

I am facing a problem using a Alias on a table while updating that table.

I am trying something like

T2.col3 = T1.col1)

T1 and T2 are table aliases.

Here I am trying to update a column in all the rows in table "Table1" 
depending on value of another column for the same row.
But the query is not working. It is not allowing alias in the update 
query (i.e. alias T1 on table "Table1").

Am I making a mistake somewhere in the syntax? Or, is it just not 
supported in postgresql?
I am using postgreSQL version 8.2.

I have observed similar problems with delete statements also.
But these types of queries run successfully on Oracle.

Thanks in advance.
Pushker Chaubey

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