Complement #80, JoinQjueryBuilder.getColumn()

Author: Jeongho Nam

package.json

@@ -1,6 +1,6 @@
 {
   "name": "safe-typeorm",
-  "version": "2.0.0-dev.20220913-5",
+  "version": "2.0.0",
   "description": "Make TypeORM much safer",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",

src/builders/JoinQueryBuilder.ts

@@ -402,6 +402,19 @@ export class JoinQueryBuilder<Mine extends object, Query extends object = any> {
         condition(this.stmt_.query, ...args);
     }
 
+    public getColumn<Literal extends SpecialFields<Mine, Field>>(
+        field: Literal,
+    ): string {
+        const column: string =
+            (
+                ReflectAdaptor.get(
+                    this.mine_.prototype,
+                    field,
+                ) as Belongs.ManyToOne.IMetadata<Mine>
+            )?.foreign_key_field || field;
+        return `${this.alias_}.${column}`;
+    }
+
     /* -----------------------------------------------------------
         JOINERS
     ----------------------------------------------------------- */