Re: "RETURNING PRIMARY KEY" syntax extension

On Tue, Jul 1, 2014 at 8:00 AM, Rushabh Lathia <rushabh.lathia@gmail.com> wrote:
> .) In map_primary_key_to_list() patch using INDEX_ATTR_BITMAP_IDENTITY_KEY
> bitmap to get the keycols. In IndexAttrBitmapKind there is also
> INDEX_ATTR_BITMAP_KEY, so was confuse between INDEX_ATTR_BITMAP_KEY and
> INDEX_ATTR_BITMAP_IDENTITY_KEY and also haven't found related comments in
> the code. Later with use of testcase and debugging found confirmed that
> INDEX_ATTR_BITMAP_IDENTITY_KEY only returns the Primary key.

Actually, that depends on how REPLICA IDENTITY is set.  IOW, you can't
assume that will give you the primary key.

-- 
Robert Haas
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