Converting DateTimes to UTC without string modification.

Author: isoos

lib/src/types/text_codec.dart

@@ -255,13 +255,24 @@ class PostgresTextDecoder {
 
       case TypeOid.timestampWithTimezone:
       case TypeOid.timestampWithoutTimezone:
-        return DateTime.parse(di.asText);
+        final raw = DateTime.parse(di.asText);
+        return DateTime.utc(
+          raw.year,
+          raw.month,
+          raw.day,
+          raw.hour,
+          raw.minute,
+          raw.second,
+          raw.millisecond,
+          raw.microsecond,
+        );
 
       case TypeOid.numeric:
         return di.asText;
 
       case TypeOid.date:
-        return DateTime.parse(di.asText);
+        final raw = DateTime.parse(di.asText);
+        return DateTime.utc(raw.year, raw.month, raw.day);
 
       case TypeOid.json:
       case TypeOid.jsonb:

test/decode_test.dart

@@ -29,7 +29,7 @@ void main() {
       final rs = await conn
           .execute("SELECT '1999-01-08 04:05:06'::TIMESTAMP WITHOUT TIME ZONE");
       final item = rs.single.single as DateTime;
-      expect(item.toIso8601String(), '1999-01-08T04:05:06.000');
+      expect(item.toIso8601String(), '1999-01-08T04:05:06.000Z');
     });
 
     test('interval', () async {
@@ -51,7 +51,7 @@ void main() {
     test('date', () async {
       final rs = await conn.execute("SELECT '1999-01-08'::DATE");
       final item = rs.single.single as DateTime;
-      expect(item.toIso8601String(), '1999-01-08T00:00:00.000');
+      expect(item.toIso8601String(), '1999-01-08T00:00:00.000Z');
     });
 
     test('json', () async {