fix (data): Parallel connection pool.

src/data/adapted.py

@@ -1,6 +1,7 @@
 # from enum import Enum
 from typing import Optional
 from psycopg.types.enum import register_enum, EnumInfo
+from psycopg import AsyncConnection
 from .registry import Attachable, Registry
 
 
@@ -23,10 +24,17 @@ class RegisterEnum(Attachable):
         connector = registry._conn
         if connector is None:
             raise ValueError("Cannot initialise without connector!")
-        connection = await connector.get_connection()
-        if connection is None:
-            raise ValueError("Cannot Init without connection.")
-        info = await EnumInfo.fetch(connection, self.name)
+        connector.connect_hook(self.connection_hook)
+        # await connector.refresh_pool()
+        # The below may be somewhat dangerous
+        # But adaption should never write to the database
+        await connector.map_over_pool(self.connection_hook)
+        # if conn := connector.conn:
+        #     # Ensure the adaption is run in the current context as well
+        #    await self.connection_hook(conn)
+
+    async def connection_hook(self, conn: AsyncConnection):
+        info = await EnumInfo.fetch(conn, self.name)
         if info is None:
             raise ValueError(f"Enum {self.name} not found in database.")
-        register_enum(info, connection, self.enum, mapping=list(self.mapping.items()))
+        register_enum(info, conn, self.enum, mapping=list(self.mapping.items()))