On Mon, 2002-09-09 at 02:55, Sudharshan Reddy wrote:
> How can I update several columns in one UPDATE query ?
> The users's guide says:
> UPDATE table SET col = expression [, ...]
^^^^^^^^^^^^^^^^^^^^^^^^
> [ FROM fromlist ]
> [ WHERE condition ]
...
> UPDATE timed SET month='january' where month='1' and set month='feb' where month = '2';
> ERROR: parser: parse error at or near "month"
That isn't setting two different columns. You are trying to update the
same column with 2 different WHERE clauses. These must be two separate
queries.
UPDATE timed SET month='january' where month='1';
UPDATE timed SET month='feb' where month = '2';
Updating multiple columns works like this:
UPDATE timed SET month='january', year=2002 WHERE ...
--
Oliver Elphick Oliver.Elphick@lfix.co.uk
Isle of Wight, UK
http://www.lfix.co.uk/oliver
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