database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-02 09:02:37 +03:00
Code Activity

Mark CHECK constraints declared NOT VALID valid if created with table.

Browse Source 
FOREIGN KEY constraints have behaved this way for a long time, but for
some reason the behavior of CHECK constraints has been inconsistent up
until now.

Amit Langote and Amul Sul, with assorted tweaks by me.
This commit is contained in:
Robert Haas
2015-12-16 07:43:56 -05:00
parent 0625dbb0b9
commit f27a6b15e6
5 changed files with 60 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/test/regress/expected/alter_table.out
View File

@ -380,7 +380,16 @@ DROP TABLE tmp2;
-- NOT VALID with plan invalidation -- ensure we don't use a constraint for
-- exclusion until validated
set constraint_exclusion TO 'partition';
create table nv_parent (d date);
create table nv_parent (d date, check (false) no inherit not valid);
-- not valid constraint added at creation time should automatically become valid
\d nv_parent
Table "public.nv_parent"
Column | Type | Modifiers
--------+------+-----------
d | date |
Check constraints:
"nv_parent_check" CHECK (false) NO INHERIT
create table nv_child_2010 () inherits (nv_parent);
create table nv_child_2011 () inherits (nv_parent);
alter table nv_child_2010 add check (d between '2010-01-01'::date and '2010-12-31'::date) not valid;

5
src/test/regress/sql/alter_table.sql
View File

@ -327,7 +327,10 @@ DROP TABLE tmp2;
-- NOT VALID with plan invalidation -- ensure we don't use a constraint for
-- exclusion until validated
set constraint_exclusion TO 'partition';
create table nv_parent (d date);
create table nv_parent (d date, check (false) no inherit not valid);
-- not valid constraint added at creation time should automatically become valid
\d nv_parent
create table nv_child_2010 () inherits (nv_parent);
create table nv_child_2011 () inherits (nv_parent);
alter table nv_child_2010 add check (d between '2010-01-01'::date and '2010-12-31'::date) not valid;