Hi
Found the solution
ran the following sql directly and it worked fine
ALTER TABLE `table_name`
DROP INDEX `field1`
, ADD UNIQUE INDEX `field1` (`field1` ASC, `field2` ASC, `field3` ASC) ;
Also checked a distinct on the three fields to ensure data integrity
Thanks
Subramanyam
On Tuesday, August 27, 2013 5:52:05 PM UTC+5:30, Subramanyam wrote:
>
>
> Hi
>
> Initially when we created the table we had two fields as unique_together =
> ( 'field1',field2') and quite some data has been added with the same
>
> Later we added one more field to unique_together = (
> 'field1',field2','field3')
>
> how can I flush the old constraints/indexes created and add the new ones
>
>
> Thanks
> -Subramanyam
>
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