Add tables metadata listing

src/based/__init__.py

@@ -1,4 +1 @@
 __version__ = "0.1.0"
-
-from .db import *
-from .columns import *

src/based/db.py

@@ -1,9 +1,10 @@
-from typing import Any, NamedTuple
+from typing import Any
 from psycopg import Connection
-from psycopg.rows import namedtuple_row, dict_row
+from psycopg.rows import dict_row
 from psycopg.sql import SQL, Identifier, Literal
 from psycopg_pool import ConnectionPool
-from columns import *
+
+from .columns import *
 
 
 class _ExtendedConnection(Connection):
@@ -83,6 +84,11 @@ class DBConnector:
             [ColumnCondition("table_name", table_name, isString=True, isLike=True)],
         )
 
+    def tables(self):
+        stmt = SQL("SELECT * FROM tables_metadata")
+        with self.connection() as conn:
+            return conn.execute(stmt).fetchall()
+
     def tableExists(self, table_name: str):
         stmt = SQL(
             """