Hi, Shinoda, Noriyoshi wrote:
> I tried this feature with the latest snapshot. When I executed the > following SQL statement, multiple primary keys were created on the > partition. Is this the intended behavior? Hahah. Is that a serious question? Of course it isn't. I'll fix it: > -- test > postgres=> CREATE TABLE part1(c1 INT PRIMARY KEY, c2 INT, c3 VARCHAR(10)) > PARTITION BY RANGE(c1) ; > CREATE TABLE > postgres=> CREATE TABLE part1v1 (LIKE part1) ; > CREATE TABLE > postgres=> ALTER TABLE part1v1 ADD CONSTRAINT pk_part1v1 PRIMARY KEY (c1, c2) > ; > ALTER TABLE > postgres=> ALTER TABLE part1 ATTACH PARTITION part1v1 FOR VALUES FROM (100) > TO (200) ; > ALTER TABLE I think the correct behavior here is to error out the ATTACH PARTITION indicating that a primary key already exist. Thanks for pointing this out. Please keep testing, -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services