src/pgperf/90/pg_stat_statements.sql

SELECT 0::int as sid,
       userid,
       dbid,
       query,
       calls,
       total_time,
       rows,
       shared_blks_hit,
       shared_blks_read,
       shared_blks_written,
       local_blks_hit,
       local_blks_read,
       local_blks_written,
       temp_blks_read,
       temp_blks_written
  FROM pg_stat_statements;