> 2020年4月24日 下午9:03，tushar <tushar.ahuja@enterprisedb.com> 写道：
>
> 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
somethingwhich i did successfully [1]
The truncate GTT drop was removed.
So the problem goes away.
Wenjing
> postgres=!#
>
> --
> regards,tushar
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