pg_stat_statements(showtext boolean, OUT userid oid, OUT dbid oid, OUT queryid bigint, OUT query text, OUT calls bigint, OUT total_time double precision, OUT min_time double precision, OUT max_time double precision, OUT mean_time double precision, OUT stddev_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)