query-transformer (postgres): fix simple-array when value is empty (#133

) (#134)
ArsenyYankovsky · Mar 31, 2022 · 3009530 · 3009530
1 parent e1040e0
commit 3009530
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diff --git a/src/query-transformer/postgres-query-transformer.ts b/src/query-transformer/postgres-query-transformer.ts
@@ -168,7 +168,7 @@ export class PostgresQueryTransformer extends QueryTransformer {
         return parameter
       }
 
-      if (typeof parameter === 'object' && parameter?.value) {
+      if (typeof parameter === 'object' && typeof parameter?.value !== 'undefined') {
         return ({
           name: `param_${index + 1}`,
           ...parameter,

diff --git a/test/functional/pg/basic/simple-queries.pg-func.test.ts b/test/functional/pg/basic/simple-queries.pg-func.test.ts
@@ -437,6 +437,25 @@ describe('aurora data api pg > simple queries', () => {
     })
   })
 
+  it('should handle empty simple-array', async () => {
+    await useCleanDatabase('postgres', { entities: [SimpleArrayEntity] }, async (connection) => {
+      const simpleArrayEntity = new SimpleArrayEntity()
+
+      simpleArrayEntity.array = []
+
+      const newSimpleArrayEntity = await connection.getRepository(SimpleArrayEntity).save(simpleArrayEntity)
+
+      const loadedSimpleArrayEntity = (await connection.getRepository(SimpleArrayEntity).findOne(newSimpleArrayEntity.id))!
+
+      // Assert
+      expect(newSimpleArrayEntity).toBeTruthy()
+      expect(newSimpleArrayEntity.array).toEqual([])
+
+      expect(loadedSimpleArrayEntity).toBeTruthy()
+      expect(loadedSimpleArrayEntity.array).toEqual([])
+    })
+  })
+
 
   it('should handle null values', async () => {
     await useCleanDatabase('postgres', { entities: [JsonEntity] }, async (connection) => {