pg_stat_statements(showtext boolean, OUT userid oid, OUT dbid oid, OUT toplevel boolean, OUT queryid bigint, OUT query text, OUT plans bigint, OUT total_plan_time double precision, OUT min_plan_time double precision, OUT max_plan_time double precision, OUT mean_plan_time double precision, OUT stddev_plan_time double precision, OUT calls bigint, OUT total_exec_time double precision, OUT min_exec_time double precision, OUT max_exec_time double precision, OUT mean_exec_time double precision, OUT stddev_exec_time double precision, OUT rows bigint, OUT shared_blks_hit bigint, OUT shared_blks_read bigint, OUT shared_blks_dirtied bigint, OUT shared_blks_written bigint, OUT local_blks_hit bigint, OUT local_blks_read bigint, OUT local_blks_dirtied bigint, OUT local_blks_written bigint, OUT temp_blks_read bigint, OUT temp_blks_written bigint, OUT blk_read_time double precision, OUT blk_write_time double precision, OUT wal_records bigint, OUT wal_fpi bigint, OUT wal_bytes numeric)