Re: conditional dropping of columns/constraints - Mailing list pgsql-hackers

Hi,

On 05/04/2009 04:10 PM, Andres Freund wrote:
> Would a patch adding 'IF EXISTS' support to:
> - ALTER TABLE ... DROP COLUMN
> - ALTER TABLE ... DROP CONSTRAINT
> possibly be accepted?
A first version of a patch is attached:
- allows [ IF EXISTS ] for both, conditional dropping of columns and
constraints
- adds two tiny additions to the alter_table regression suite
- adds minimal documentation (my wording might be completely off)

As this is my first patch to PG I am happy with most sort of feedback.


Andres