Pass Value to valueToOffsetDateTime() for consistency

h2/src/main/org/h2/jdbc/JdbcResultSet.java

@@ -3829,8 +3829,7 @@ public class JdbcResultSet extends TraceObject implements ResultSet, JdbcResultS
             return type.cast(LocalDateTimeUtils.valueToInstant(value));
         } else if (LocalDateTimeUtils.isOffsetDateTime(type) &&
                 value instanceof ValueTimestampTimeZone) {
-            return type.cast(LocalDateTimeUtils.valueToOffsetDateTime(
-                            (ValueTimestampTimeZone) value));
+            return type.cast(LocalDateTimeUtils.valueToOffsetDateTime(value));
         } else {
             throw unsupported(type.getName());
         }

h2/src/main/org/h2/util/LocalDateTimeUtils.java

@@ -459,8 +459,9 @@ public class LocalDateTimeUtils {
      * @param value the value to convert
      * @return the OffsetDateTime
      */
-    public static Object valueToOffsetDateTime(ValueTimestampTimeZone value) {
-        return timestampWithTimeZoneToOffsetDateTime((TimestampWithTimeZone) value.getObject());
+    public static Object valueToOffsetDateTime(Value value) {
+        ValueTimestampTimeZone valueTimestampTimeZone = (ValueTimestampTimeZone) value.convertTo(Value.TIMESTAMP_TZ);
+        return timestampWithTimeZoneToOffsetDateTime((TimestampWithTimeZone) valueTimestampTimeZone.getObject());
     }
 
     private static Object timestampWithTimeZoneToOffsetDateTime(