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PG_LAST_QUERY_ID

Returns the query ID of the most recently completed query in the current session. If no queries have been run in the current session, PG_LAST_QUERY_ID returns -1. PG_LAST_QUERY_ID does not return the query ID for queries that run exclusively on the leader node. For more information, see Leader node–only functions.

Syntax

pg_last_query_id()

Return type

Returns an integer.

Example

The following query returns the ID of the latest query completed in the current session.

select pg_last_query_id();

Results are the following.

pg_last_query_id
----------------
           5437
(1 row)

The following query returns the query ID and text of the most recently completed query in the current session.

select query, trim(querytxt) as sqlquery
from stl_query
where query = pg_last_query_id();

Results are the following.

query | sqlquery
------+--------------------------------------------------
 5437 | select name, loadtime from stl_file_scan where loadtime > 1000000;
(1 rows)