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Re: [Proposal] Global temporary tables - Mailing list pgsql-hackers

From Prabhat Sahu
Subject Re: [Proposal] Global temporary tables
Date
Msg-id CANEvxPqkJ8ubPcwZLP9m_4qdNmAo+LrJTt95-B9RbWhbZ-8Nsw@mail.gmail.com
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In response to Re: [Proposal] Global temporary tables  ("曾文旌(义从)" <wenjing.zwj@alibaba-inc.com>)
Responses Re: [Proposal] Global temporary tables  (Prabhat Sahu <prabhat.sahu@enterprisedb.com>)
Re: [Proposal] Global temporary tables  ("曾文旌(义从)" <wenjing.zwj@alibaba-inc.com>)
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On Fri, Feb 21, 2020 at 9:10 PM 曾文旌(义从) <wenjing.zwj@alibaba-inc.com> wrote:
Hi,
I have started testing the "Global temporary table" feature,
That's great, I see hope.
from "gtt_v11-pg13.patch". Below is my findings:

-- session 1:
postgres=# create global temporary table gtt1(a int);
CREATE TABLE

-- seeeion 2:
postgres=# truncate gtt1 ;
ERROR:  could not open file "base/13585/t3_16384": No such file or directory

is it expected?

Oh ,this is a bug, I fixed it.
Thanks for the patch.
I have verified the same, Now the issue is resolved with v12 patch.

Kindly confirm the below scenario:

postgres=# create global temporary table gtt1 (c1 int unique);
CREATE TABLE

postgres=# create global temporary table gtt2 (c1 int references gtt1(c1) );
ERROR:  referenced relation "gtt1" is not a global temp table

postgres=# create table tab2 (c1 int references gtt1(c1) );
ERROR:  referenced relation "gtt1" is not a global temp table

Thanks,
Prabhat Sahu

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