AsyncPipe; table schemata; migrations; File logging

src/orm/connection/Connection.ts

@@ -5,6 +5,7 @@ import {AppClass} from '../../lifecycle/AppClass'
 import {Inject, Injectable} from '../../di'
 import {EventBus} from '../../event/EventBus'
 import {QueryExecutedEvent} from './event/QueryExecutedEvent'
+import {Schema} from '../schema/Schema'
 
 /**
  * Error thrown when a connection is used before it is ready.
@@ -61,15 +62,11 @@ export abstract class Connection extends AppClass {
      */
     public abstract close(): Promise<void>
 
-    // public abstract databases(): Promise<Collection<Database>>
-
-    // public abstract database(name: string): Promise<Database | undefined>
-
-    // public abstract database_as_schema(name: string): Promise<Database>
-
-    // public abstract tables(database_name: string): Promise<Collection<Table>>
-
-    // public abstract table(database_name: string, table_name: string): Promise<Table | undefined>
+    /**
+     * Get a Schema on this connection.
+     * @param name
+     */
+    public abstract schema(name?: string): Schema
 
     /**
      * Fire a QueryExecutedEvent for the given query string.