Re: [Proposal] Global temporary tables

On 4/9/20 6:26 PM, 曾文旌 wrote:
>> On 4/7/20 2:27 PM, 曾文旌 wrote:
>>> Vacuum full GTT, cluster GTT is already supported in global_temporary_table_v24-pg13.patch.
>> Here , it is skipping GTT
>>
>> postgres=# \c foo
>> You are now connected to database "foo" as user "tushar".
>> foo=# create global temporary table g123( c1 int) ;
>> CREATE TABLE
>> foo=# \q
>> [tushar(at)localhost bin]$ ./vacuumdb --full foo
>> vacuumdb: vacuuming database "foo"
>> WARNING: skipping vacuum global temp table "g123" because storage is not initialized for current session
> The message was inappropriate at some point, so I removed it.
>
Thanks Wenjing. Please see -if this below behavior is correct

X terminal -

postgres=# create global temp table foo1(n int);
CREATE TABLE
postgres=# insert into foo1 values (generate_series(1,10));
INSERT 0 10
postgres=# vacuum full ;
VACUUM

Y Terminal -

[tushar(at)localhost bin]$ ./vacuumdb -f  postgres
vacuumdb: vacuuming database "postgres"
WARNING:  global temp table oldest relfrozenxid 3276 is the oldest in
the entire db
DETAIL:  The oldest relfrozenxid in pg_class is 3277
HINT:  If they differ greatly, please consider cleaning up the data in
global temp table.
WARNING:  global temp table oldest relfrozenxid 3276 is the oldest in
the entire db
DETAIL:  The oldest relfrozenxid in pg_class is 3277
HINT:  If they differ greatly, please consider cleaning up the data in
global temp table.

--
regards,tushar
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