evergreen=# select * from pg_attribute  where attname = 'request_time';
 attrelid |   attname    | atttypid | attstattarget | attlen | attnum | attndims | attcacheoff | atttypmod | attbyval | attstorage | attalign | attnotnull | atthasdef | attisdropped | attislocal | attinhcount | attcollation | attacl | attoptions | attfdwoptions
----------+--------------+----------+---------------+--------+--------+----------+-------------+-----------+----------+------------+----------+------------+-----------+--------------+------------+-------------+--------------+--------+------------+---------------
  2377456 | request_time |     1184 |            -1 |      8 |      2 |        0 |          -1 |        -1 | t        | p          | d        | t          | t         | f            | t          |           0 |            0 |        |            |
  2379074 | request_time |     1184 |            -1 |      8 |      7 |        0 |          -1 |        -1 | t        | p          | d        | t          | f         | f            | t          |           0 |            0 |        |            |
 10729254 | request_time |     1184 |            -1 |      8 |      7 |        0 |          -1 |        -1 | t        | p          | d        | f          | f         | f            | t          |           0 |            0 |        |            |
  2379578 | request_time |     1184 |            -1 |      8 |      4 |        0 |          -1 |        -1 | t        | p          | d        | t          | t         | f            | t          |           0 |            0 |        |            |
  2380103 | request_time |     1184 |            -1 |      8 |      6 |        0 |          -1 |        -1 | t        | p          | d        | t          | t         | f            | t          |           0 |            0 |        |            |
  2381675 | request_time |     1082 |            -1 |      4 |      8 |        0 |          -1 |        -1 | t        | p          | i        | f          | f         | f            | t          |           0 |            0 |        |            |
  2381687 | request_time |     1082 |            -1 |      4 |      8 |        0 |          -1 |        -1 | t        | p          | i        | f          | f         | f            | t          |           0 |            0 |        |            |
  2381965 | request_time |     1082 |            -1 |      4 |      8 |        0 |          -1 |        -1 | t        | p          | i        | f          | f         | f            | t          |           0 |            0 |        |            |
 10729558 | request_time |     1184 |            -1 |      8 |      1 |        0 |          -1 |        -1 | t        | p          | d        | f          | f         | f            | t          |           0 |            0 |        |            |
  2536174 | request_time |     1184 |            -1 |      8 |      1 |        0 |          -1 |        -1 | t        | p          | d        | f          | f         | f            | t          |           0 |            0 |        |            |
(10 rows)