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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 79291 | 2015-11-16 9:05 | 2018-03-20 9:21 | MySQL Server: Optimizer | Closed (2226 days) | S4 | 5.7.x | Any | Any | Issue with only_full_group_by and UNIQUE KEY with NULL values |
| 71028 | 2013-11-27 21:26 | 2014-02-02 17:38 | MySQL Server: DML | Closed (3752 days) | S3 | 5.5+ | Any | Any | error result when "count + distinct + case when" need merge_walk |
| 59894 | 2011-02-02 13:58 | 2011-04-21 1:19 | MySQL Server: Options | Closed (4751 days) | S1 | 5.5.10, 5.6.2 | Any | Any | set optimizer_switch to e or d causes invalid memory writes/valgrind warnings |
| 59852 | 2011-01-31 16:14 | 2013-07-29 18:35 | MySQL Server: Optimizer | Closed (3921 days) | S3 | 5.1,5.5,5.6 | Any | Any | EXPLAIN EXTENDED + UNION + 'ORDER BY x IN (subquery)' hides IN->EXISTS transform |
| 59651 | 2011-01-21 10:31 | 2011-04-26 15:43 | MySQL Server: Optimizer | Closed (4746 days) | S1 | 5.6.2-debug | Any | Any | Assertion `table_ref->has_record' failed with join_cache_level=3 |
| 59432 | 2011-01-11 21:55 | 2011-02-16 23:44 | MySQL Server: Options | Closed (4833 days) | S3 | 5.5 | Any | Any | --autocommit=on does not work (@@global.autocommit is 0) |
| 57932 | 2010-11-02 15:11 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4852 days) | S2 | 5.5, mysql-next-mr-opt-backporting | Linux (Ubuntu x86, RedHat x64) | Any | query with AVG(DISTINCT) returns NULL if last aggregated value was NULL |
| 57928 | 2010-11-02 13:04 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4882 days) | S3 | next-mr-bugfixing | Linux (64bit) | Any | More Valgrind warnings in print_keyuse() with --debug |
| 57316 | 2010-10-07 15:10 | 2011-02-16 23:44 | MySQL Server | Closed (4852 days) | S3 | 5.5+ | Any | Any | It is not clear how to disable autocommit |
| 56254 | 2010-08-25 14:16 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4901 days) | S1 | bzr_mysql-next-mr-opt-team | Any | Any | Assertion tab->ref.use_count fails in join_read_key_unlock_row() on 4-way JOIN |
| 56138 | 2010-08-20 8:25 | 2011-02-16 23:44 | MySQL Server: General | Closed (4878 days) | S2 | 5.6.1, 5.1.52, 5.5.8 | Any | Any | valgrind errors about overlapping memory when double-assigning same variable |
| 55672 | 2010-08-01 13:09 | 2011-02-16 23:44 | MySQL Server: Command-line Clients | Closed (4995 days) | S3 | 5.5.5, mysql-trunk | Any | Any | mysql_upgrade dies with internal error |
| 54682 | 2010-06-22 0:47 | 2011-02-16 23:44 | MySQL Server: General | Closed (5011 days) | S2 | 5.5 | Any | Any | set sql_select_limit=0 does not work |
| 54608 | 2010-06-18 9:28 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | mysql-next-mr-opt-backporting, 6.0.14 | Any | Any | Query using IN + OR + IS TRUE and IS NULL returns NULL when should be empty |
| 54481 | 2010-06-14 11:10 | 2012-10-15 13:43 | MySQL Server: Optimizer | Closed (4208 days) | S2 | 5.1-bzr, 5.6.99-m4, mysql-next-mr-opt-backporting | Any | Any | GROUP BY loses effect with JOIN + ORDER BY + LIMIT and join caching |
| 54437 | 2010-06-11 16:55 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | next-mr-opt-backporting | Any | Any | Extra rows with LEFT JOIN + semijoin (firstmatch and duplicates weedout) |
| 54359 | 2010-06-09 8:49 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | bzr_next-mr-opt-backporting, 6.0.14 | Any | Any | Extra rows with join_cache_level=7,8 and two joins and multi-column index |
| 54235 | 2010-06-04 14:42 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | next-mr-opt-backporting | Linux | Any | Extra rows with join_cache_level=4,6,8 and two LEFT JOIN |
| 53970 | 2010-05-25 11:55 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (5080 days) | S3 | next-mr-opt-backporting | Any | Any | join cache unduly disabled for incremental buffers with semijoin |
| 53305 | 2010-04-30 9:23 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | 6.0-codebase-bugfixing | Any | Any | Duplicate weedout + join buffer (join cache level=7,8) loses rows |
| 53298 | 2010-04-29 21:15 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | 6.0-codebase-bugfixing | Any | Any | wrong result with semijoin (no semijoin strategy chosen) |
| 52636 | 2010-04-06 21:22 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | 6.0-codebase-bugfixing | Any | Any | 6.0 allowing JOINs on NULL values w/ optimizer_join_cache_level = 5-8 |
| 52540 | 2010-04-01 20:27 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4902 days) | S3 | mysql-6.0-codebase-bugfixing | Any | Any | Crash in JOIN_CACHE::set_match_flag_if_none () at sql_join_cache.cc:1883 |
| 52394 | 2010-03-26 14:54 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | mysql-6.0-codebase-bugfixing | Any | Any | Segfault in JOIN_CACHE::get_offset () at sql_select.h:445 |
| 51215 | 2010-02-16 18:15 | 2011-02-16 23:44 | MySQL Server: Logging | Closed (5154 days) | S3 | 5.5.99 | Any | Any | log-error partially works with version 5.5 |
| 51018 | 2010-02-09 9:19 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | 6.0-codebase-bugfixing | Any | Any | Batched key access gives wrong results for SELECT with semijoin and NULL |
| 50595 | 2010-01-25 16:28 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4854 days) | S3 | 6.0 | Solaris (Solaris 10 sparc32 debug, sparc64) | Any | funcs_1.myisam_views takes longer time on 6.0 branch than 5.1 branch |
| 50361 | 2010-01-15 11:35 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | 6.0 | Any | Any | Doublenested noncorrelated subquery with FirstMatch and join cache wrong result |
| 50358 | 2010-01-15 10:01 | 2011-02-16 23:44 | MySQL Server: Optimizer | Closed (4900 days) | S3 | 6.0-codebase | Any | Any | semijoin execution of subquery with outerjoin yields wrong result |
| 50120 | 2010-01-06 21:33 | 2011-02-16 23:44 | Tools: MTR / mysql-test-run | Closed (5215 days) | S3 | 5.5.99-m3, 6.0-codebase | Linux (64-bit) | Any | Valgrind errors in any test, inside mysqltest |
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