July to September 2020
September 2020
New development:
- Refactored internal savepoint handling (completed)
- Reset the replication stream ID after nbackup restore/fixup
- Misc replication improvements
Bugfixing:
- CORE-6411: crash while creating a table with many (>5460) fields
- Fixed replication regressions after merging the pull request by Dimitry Sibiryakov
Other:
August 2020
New development:
- CORE-6300 (next attachment/statement ID) and some other additions to the MON$ tables
- Refactored internal savepoint handling (WIP)
- Preserve segment boundaries while replicating blobs
Bugfixing:
- CORE-6382: Triggers accessing a table prevent concurrent DDL command from dropping that table
- Avoid replication of empty (read-only) transactions
- Fixed memory leak in the replication code
- Reworked re-attaching the shared memory after its concurrent deletion
July 2020
New Developement
- Code simplification and better overflow protection inside isc_*_info routines
Bugfixing:
- Frontported (to v4) the forgotten part of the optimizer fix
- Fixed broken metadata storage in replication blocks
- Better protection from replication primary crashes (with assistance of Andrey Kravchenko)
- Added (limited) protection from exceptions raised from inside JRD_shutdown_database
Dmitry Yemanov
Penza, Russia
