Robert Haas bbb96c3704 Allow ALTER TABLE .. SET NOT NULL to skip provably unnecessary scans. ...

If existing CHECK or NOT NULL constraints preclude the presence
of nulls, we need not look to see whether any are present.

Sergei Kornilov, reviewed by Stephen Frost, Ildar Musin, David Rowley,
and by me.

Discussion: http://postgr.es/m/81911511895540@web58j.yandex.ru

2019-03-13 08:55:00 -04:00

..

src

Allow ALTER TABLE .. SET NOT NULL to skip provably unnecessary scans.

2019-03-13 08:55:00 -04:00

bug.template

Replace @postgresql.org with @lists.postgresql.org for mailinglists

2019-01-19 19:06:35 +01:00

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TODO

Change documentation references to PG website to use https: not http:

2017-05-20 21:50:47 -04:00