PostgreSQLで特定のテーブル（この場合は records テーブル）の列（項目）とそのデータ型を調べる方法
答えは、\d records; でした
moove=# \dt
List of relations
Schema | Name | Type | Owner
--------+---------+-------+----------
public | records | table | postgres
(1 row)
moove=# \d records;
Table "public.records"
Column | Type | Collation | Nullable | Default
-----------------+-----------------------------+-----------+----------+-------------------------------------
id | integer | | not null | nextval('records_id_seq'::regclass)
user_id | integer | | |
distance | double precision | | |
place | jsonb | | |
speed | jsonb | | |
prediction_type | integer | | |
start_at | timestamp without time zone | | |
end_at | timestamp without time zone | | |
Indexes:
"records_pkey" PRIMARY KEY, btree (id)