2a77b2a510
No longer write the following redo log records: MLOG_COMP_LIST_END_DELETE, MLOG_LIST_END_DELETE, MLOG_COMP_LIST_START_DELETE, MLOG_LIST_START_DELETE, MLOG_REC_DELETE,MLOG_COMP_REC_DELETE. Each individual deleted record will be logged separately using physical log records. page_dir_slot_set_n_owned(), page_zip_rec_set_owned(), page_zip_dir_delete(), page_zip_clear_rec(): Add the parameter mtr, and write redo log. page_dir_slot_set_rec(): Remove. Replaced with lower-level operations that write redo log when necessary. page_rec_set_n_owned(): Replaces rec_set_n_owned_old(), rec_set_n_owned_new(). rec_set_heap_no(): Replaces rec_set_heap_no_old(), rec_set_heap_no_new(). page_mem_free(), page_dir_split_slot(), page_dir_balance_slot(): Add the parameter mtr. page_dir_set_n_slots(): Merge with the caller page_dir_split_slot(). page_dir_slot_set_rec(): Merge with the callers page_dir_split_slot() and page_dir_balance_slot(). page_cur_insert_rec_low(), page_cur_insert_rec_zip(): Suppress the logging of lower-level operations. page_cur_delete_rec_write_log(): Remove. page_cur_delete_rec(): Do not tolerate mtr=NULL. rec_convert_dtuple_to_rec_old(), rec_convert_dtuple_to_rec_comp(): Replace rec_set_heap_no_old() and rec_set_heap_no_new() with direct access that does not involve redo logging. mtr_t::memcpy(): Do allow non-redo-logged writes to uncompressed pages of ROW_FORMAT=COMPRESSED pages. buf_page_io_complete(): Evict the uncompressed page of a ROW_FORMAT=COMPRESSED page after recovery. Because we no longer write logical log records for deleting index records, but instead write physical records that may refer directly to the compressed page frame of a ROW_FORMAT=COMPRESSED page, and because on recovery we will only apply the changes to the ROW_FORMAT=COMPRESSED page, the uncompressed page frame can be stale until page_zip_decompress() is executed. recv_parse_or_apply_log_rec_body(): After applying MLOG_ZIP_WRITE_STRING, ensure that the FIL_PAGE_TYPE of the uncompressed page matches the compressed page, because buf_flush_init_for_writing() assumes that field to be valid. mlog_init_t::mark_ibuf_exist(): Invoke page_zip_decompress(), because the uncompressed page after buf_page_create() is not necessarily up to date. buf_LRU_block_remove_hashed(): Bypass a page_zip_validate() check during redo log apply. recv_apply_hashed_log_recs(): Invoke mlog_init.mark_ibuf_exist() also for the last batch, to ensure that page_zip_decompress() will be called for freshly initialized pages. |
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|---|---|---|
| BUILD | ||
| client | ||
| cmake | ||
| dbug | ||
| debian | ||
| Docs | ||
| extra | ||
| include | ||
| libmariadb@8e9c311610 | ||
| libmysqld | ||
| libservices | ||
| man | ||
| mysql-test | ||
| mysys | ||
| mysys_ssl | ||
| plugin | ||
| randgen/conf | ||
| scripts | ||
| sql | ||
| sql-bench | ||
| sql-common | ||
| storage | ||
| strings | ||
| support-files | ||
| tests | ||
| tpool | ||
| unittest | ||
| vio | ||
| win | ||
| wsrep-lib@a17b65a25f | ||
| zlib | ||
| .clang-format | ||
| .gitattributes | ||
| .gitignore | ||
| .gitmodules | ||
| .travis.compiler.sh | ||
| .travis.yml | ||
| appveyor.yml | ||
| BUILD-CMAKE | ||
| CMakeLists.txt | ||
| config.h.cmake | ||
| configure.cmake | ||
| CONTRIBUTING.md | ||
| COPYING | ||
| CREDITS | ||
| EXCEPTIONS-CLIENT | ||
| INSTALL-SOURCE | ||
| INSTALL-WIN-SOURCE | ||
| KNOWN_BUGS.txt | ||
| README.md | ||
| THIRDPARTY | ||
| VERSION | ||
Code status:
travis-ci.org (10.5 branch)ci.appveyor.com
MariaDB: drop-in replacement for MySQL
MariaDB is designed as a drop-in replacement of MySQL(R) with more features, new storage engines, fewer bugs, and better performance.
MariaDB is brought to you by the MariaDB Foundation and the MariaDB corporation. Please read the CREDITS file for details about the MariaDB Foundation, and who is developing MariaDB.
MariaDB is developed by many of the original developers of MySQL who now work for the MariaDB Corporation, the MariaDB Foundation and by many people in the community.
MySQL, which is the base of MariaDB, is a product and trademark of Oracle Corporation, Inc. For a list of developers and other contributors, see the Credits appendix. You can also run 'SHOW authors' to get a list of active contributors.
A description of the MariaDB project and a manual can be found at:
https://mariadb.com/kb/en/mariadb-vs-mysql-features/
https://mariadb.com/kb/en/mariadb-versus-mysql-compatibility/
https://mariadb.com/kb/en/library/new-and-old-releases/
As MariaDB is a full replacement of MySQL, the MySQL manual at http://dev.mysql.com/doc is generally applicable.
Help
More help is available from the Maria Discuss mailing list https://launchpad.net/~maria-discuss and the #maria IRC channel on Freenode.
Live QA for beginner contributors
MariaDB has a dedicated time each week when we answer new contributor questions live on Zulip and IRC. From 8:00 to 10:00 UTC on Mondays, and 10:00 to 12:00 UTC on Thursdays, anyone can ask any questions they’d like, and a live developer will be available to assist.
New contributors can ask questions any time, but we will provide immediate feedback during that interval.
Licensing
NOTE:
MariaDB is specifically available only under version 2 of the GNU General Public License (GPLv2). (I.e. Without the "any later version" clause.) This is inherited from MySQL. Please see the README file in the MySQL distribution for more information.
License information can be found in the COPYING file. Third party license information can be found in the THIRDPARTY file.
Bug Reports
Bug and/or error reports regarding MariaDB should be submitted at: https://jira.mariadb.org
For reporting security vulnerabilities see: https://mariadb.org/about/security-policy/
Bugs in the MySQL code can also be submitted at: https://bugs.mysql.com
The code for MariaDB, including all revision history, can be found at: https://github.com/MariaDB/server