| From: | Prabhat Sahu <prabhat(dot)sahu(at)enterprisedb(dot)com> |
|---|---|
| To: | 曾文旌(义从) <wenjing(dot)zwj(at)alibaba-inc(dot)com> |
| Cc: | tushar <tushar(dot)ahuja(at)enterprisedb(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, 蔡松露(子嘉) <zijia(at)taobao(dot)com>, "Cai, Le" <le(dot)cai(at)alibaba-inc(dot)com>, 萧少聪(铁庵) <shaocong(dot)xsc(at)alibaba-inc(dot)com> |
| Subject: | Re: [Proposal] Global temporary tables |
| Date: | 2020-03-11 07:52:03 |
| Message-ID: | CANEvxPpfTrNGXw2K3MzFMt6NGBAQwLXbv6SHJ_XBEfqEimJxJA@mail.gmail.com |
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On Mon, Mar 9, 2020 at 10:02 PM 曾文旌(义从) <wenjing(dot)zwj(at)alibaba-inc(dot)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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