finish TreeModel implementation and updateMany builder method

src/orm/model/relation/HasOneOrMany.ts

@@ -33,14 +33,24 @@ export abstract class HasOneOrMany<T extends Model<T>, T2 extends Model<T2>, V e
         return this.localKeyOverride || this.foreignKey
     }
 
+    public get foreignColumn(): string {
+        const ctor = this.related.constructor as typeof Model
+        return ctor.propertyToColumn(this.foreignKey)
+    }
+
+    public get localColumn(): string {
+        const ctor = this.related.constructor as typeof Model
+        return ctor.propertyToColumn(this.localKey)
+    }
+
     /** Get the fully-qualified name of the foreign key. */
     public get qualifiedForeignKey(): string {
-        return this.related.qualify(this.foreignKey)
+        return this.related.qualify(this.foreignColumn)
     }
 
     /** Get the fully-qualified name of the local key. */
     public get qualifiedLocalKey(): string {
-        return this.related.qualify(this.localKey)
+        return this.related.qualify(this.localColumn)
     }
 
     /** Get the value of the pivot for this relation from the parent model. */
@@ -70,11 +80,11 @@ export abstract class HasOneOrMany<T extends Model<T>, T2 extends Model<T2>, V e
             .all()
 
         return this.related.query()
-            .whereIn(this.foreignKey, keys)
+            .whereIn(this.foreignColumn, keys)
     }
 
     /** Given a collection of results, filter out those that are relevant to this relation. */
     public matchResults(possiblyRelated: Collection<T>): Collection<T> {
-        return possiblyRelated.where(this.foreignKey as keyof T, '=', this.parentValue)
+        return possiblyRelated.where(this.foreignColumn as keyof T, '=', this.parentValue)
     }
 }