Added support for length property to MikroORM [skip ci]

Author: ankane

src/mikro-orm/halfvec.js

@@ -34,6 +34,6 @@ export class HalfvecType extends Type {
    * @return {string}
    */
   getColumnType(prop, platform) {
-    return halfvecType(prop.dimensions);
+    return halfvecType(prop.dimensions ?? prop.length);
   }
 }

src/mikro-orm/sparsevec.js

@@ -35,6 +35,6 @@ export class SparsevecType extends Type {
    * @return {string}
    */
   getColumnType(prop, platform) {
-    return sparsevecType(prop.dimensions);
+    return sparsevecType(prop.dimensions ?? prop.length);
   }
 }

src/mikro-orm/vector.js

@@ -34,6 +34,6 @@ export class VectorType extends Type {
    * @return {string}
    */
   getColumnType(prop, platform) {
-    return vectorType(prop.dimensions);
+    return vectorType(prop.dimensions ?? prop.length);
   }
 }

tests/mikro-orm.test.js

@@ -10,13 +10,10 @@ test('mikro-orm example', async () => {
     tableName: 'mikro_items',
     properties: {
       id: {type: Number, primary: true},
-      // @ts-ignore
-      embedding: {type: VectorType, dimensions: 3, nullable: true},
-      // @ts-ignore
-      half_embedding: {type: HalfvecType, dimensions: 3, nullable: true},
+      embedding: {type: VectorType, length: 3, nullable: true},
+      half_embedding: {type: HalfvecType, length: 3, nullable: true},
       binary_embedding: {type: BitType, length: 3, nullable: true},
-      // @ts-ignore
-      sparse_embedding: {type: SparsevecType, dimensions: 3, nullable: true}
+      sparse_embedding: {type: SparsevecType, length: 3, nullable: true}
     },
   });