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

From tushar
Subject Re: [Proposal] Global temporary tables
Date
Msg-id 18342268-cb9b-a879-2946-93dcfed02729@enterprisedb.com
Whole thread Raw
In response to Re: [Proposal] Global temporary tables  (曾文旌 <wenjing.zwj@alibaba-inc.com>)
Responses Re: [Proposal] Global temporary tables
List pgsql-hackers
On 4/22/20 2:49 PM, 曾文旌 wrote:
>
> I provide the TRUNCATE tablename DROP to clear the data in the GTT and 
> delete the storage files.
> This feature requires the current transaction to commit immediately 
> after it finishes truncate.
>
Thanks Wenjing , Please refer this scenario

postgres=# create global temp table testing (a int);
CREATE TABLE
postgres=# begin;
BEGIN
postgres=*# truncate testing;      -- working   [1]
TRUNCATE TABLE
postgres=*# truncate testing drop;
ERROR:  Truncate global temporary table cannot run inside a transaction 
block    --that is throwing an error claiming something which i did  
successfully [1]
postgres=!#

-- 
regards,tushar
EnterpriseDB  https://www.enterprisedb.com/
The Enterprise PostgreSQL Company




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