[IGNITE-13414] JDBC thin: compatibility is broken for versions 2.8-2.9

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 2.9
• Fix Version/s: 2.9
• Component/s: jdbc
• Assignee: Aleksey Plekhanov
• Reporter: Aleksey Plekhanov
• Created: 08/Sep/20 10:52
• Updated: 12/Sep/20 21:21
• Resolved: 11/Sep/20 10:23

Description

"User attributes" feature was added by IGNITE-12049, it was added to 2.9 version, but for VER_2_8_0 condition:

         if (ver.compareTo(VER_2_8_0) >= 0) {
            dataPageScanEnabled = nullableBooleanFromByte(reader.readByte());

            updateBatchSize = JdbcUtils.readNullableInteger(reader);

            userAttrs = reader.readMap();
        }

This breaks compatibility between 2.8 and 2.9 versions (both, backward and forward)

Issue Links

• is related to: IGNITE-13440 JDBC thin: extend compatibility tests
• links to: GitHub Pull Request #8227