Gbase 8C session information function (V)

pg_conf_load_time()

describe ： Configure load time .pg_conf_load_time Returns the timestamp of the last loaded server configuration file .

return type ：timestamp with time zone

Example ：

 gbase=# SELECT pg_conf_load_time();

       pg_conf_load_time

-------------------------------

 2022-05-05 14:33:02.197289+08

(1 row)

pg_my_temp_schema()

describe ： Temporary mode of the session OID, If not, it is 0.

return type ：oid

Example ：

 gbase=# SELECT pg_my_temp_schema();

 pg_my_temp_schema

-------------------

                 0

(1 row)

remarks ：pg_my_temp_schema Returns the temporary mode in the current session OID, If it doesn't exist （ No temporary table created ） Then return to 0. If given OID It is temporary mode in other sessions OID,pg_is_other_temp_schema Then return to true.

pg_is_other_temp_schema(oid)

describe ： Whether it is the temporary mode of another session .

return type ：Boolean

Example ：

 gbase=# SELECT pg_is_other_temp_schema(25356);

 pg_is_other_temp_schema

-------------------------

 f

(1 row)

pg_listening_channels()

describe ： The name of the channel on which the session is listening .

return type ：setof text

Example ：

 gbase=# SELECT pg_listening_channels();

 pg_listening_channels

-----------------------

(0 rows)

remarks ：pg_listening_channels Returns a set of channel names that the current session is listening on .

pg_postmaster_start_time()

describe ： Server startup time .pg_postmaster_start_time Return to when the server starts timestamp with time zone.

return type ：timestamp with time zone

Example ：

 gbase=# SELECT pg_postmaster_start_time();

   pg_postmaster_start_time

-------------------------------

 2022-05-05 11:59:14.394307+08

(1 row)

pg_get_ruledef(rule_oid)

describe ： Get the of the rule CREATE RULE command .

return type ：text

Example ：

 gbase=# select * from pg_get_ruledef(24828);

pg_get_ruledef

----------------

 -

(1 row)