On Mon, Mar 9, 2020 at 10:02 PM 曾文旌(义从) <wenjing....@alibaba-inc.com> wrote:

>
>
> Fixed in global_temporary_table_v18-pg13.patch.
>
Hi Wenjing,
Thanks for the patch. I have verified the previous issues with
"gtt_v18_pg13.patch" and those are resolved.
Please find below case:

postgres=# create sequence seq;
CREATE SEQUENCE

postgres=# CREATE GLOBAL TEMPORARY TABLE gtt1(c1 int PRIMARY KEY) ON COMMIT
DELETE ROWS;
CREATE TABLE

postgres=# CREATE GLOBAL TEMPORARY TABLE gtt2(c1 int PRIMARY KEY) ON COMMIT
PRESERVE ROWS;
CREATE TABLE

postgres=# alter table gtt1 add c2 int default nextval('seq');
ERROR:  cannot reindex global temporary tables

postgres=# alter table gtt2 add c2 int default nextval('seq');
ERROR:  cannot reindex global temporary tables

*Note*: We are getting this error if we have a key column(PK/UNIQUE) in a
GTT, and trying to add a column with a default sequence into it.

-- 

With Regards,
Prabhat Kumar Sahu
EnterpriseDB: http://www.enterprisedb.com

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