chore: address comment

jacek-prisma · jacek-prisma · commit a89e8aae7799 · 2026-02-18T15:37:22.000Z
diff --git a/packages/adapter-ppg/src/conversion.test.ts b/packages/adapter-ppg/src/conversion.test.ts
@@ -152,13 +152,12 @@ describe('conversion', () => {
     })
 
     test('supports arrays of bytea', () => {
-      const result = getParser(ArrayColumnType.BYTEA_ARRAY)('{aGVsbG8=,d29ybGQ=}')
+      const result = getParser(ArrayColumnType.BYTEA_ARRAY)('{aGVsbG8=,NULL}')
       expect(Array.isArray(result)).toBe(true)
       expect(result!.length).toBe(2)
       expect(Buffer.isBuffer(result![0])).toBe(true)
-      expect(Buffer.isBuffer(result![1])).toBe(true)
       expect(result![0]!.toString()).toBe('aGVsbG8=')
-      expect(result![1]!.toString()).toBe('d29ybGQ=')
+      expect(result![1]).toBeNull()
     })
   })
 })
diff --git a/packages/adapter-ppg/src/conversion.ts b/packages/adapter-ppg/src/conversion.ts
@@ -414,9 +414,9 @@ const builtInByteParser = getTypeParser(ScalarColumnType.BYTEA) as (_: string) =
 /*
  * BYTEA_ARRAY - arrays of arbitrary raw binary strings
  */
-function normalizeByteaArray(x: string | null): Buffer[] | null {
+function normalizeByteaArray(x: string | null): (Buffer | null)[] | null {
   if (x === null) return null
-  return parseArray(x).map(builtInByteParser)
+  return parseArray(x).map((elem) => (elem === null ? null : builtInByteParser(elem)))
 }
 
 function convertBytes(serializedBytes: string | null): Buffer | null {
