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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 75668 | 2015-01-28 16:21 | 2015-01-28 20:10 | MySQL Server: Optimizer | Verified (2184 days) | S2 | 5.6.22/5.7 | FreeBSD (FreeBSD 8.4) | Any | Use of Distinct, Group_concat, and Group by together produces 1 NULL row result. |
| 75967 | 2015-02-19 12:45 | 2015-02-20 8:06 | MySQL Server: Optimizer | Verified (2161 days) | S3 | 5.6, 5.7, 5.6.24 | Any | Any | Wrong result (extra rows) with SQ and comparison to NULL, materialization=off |
| 75991 | 2015-02-21 18:12 | 2015-02-23 9:59 | MySQL Server: Optimizer | Verified (2158 days) | S3 | 5.6.14-log, 5.6.24 | Microsoft Windows (Vista) | Any | writ of ALLOW_INVALID_DATES |
| 75992 | 2015-02-21 18:29 | 2015-02-23 9:45 | MySQL Server: Optimizer | Verified (2158 days) | S3 | 5.6.14-log, 5.6.24 | Microsoft Windows (Vista) | Any | no warning when, under "ALLOW_INVALID_DATES", an invalid date is discarded |
| 76029 | 2015-02-24 14:26 | 2015-02-24 15:52 | MySQL Server: Optimizer | Verified (2157 days) | S3 | 5.6.23 | Linux | Any | IN / NOT IN doesn't return correct result when on-disk temporary table is used |
| 76501 | 2015-03-27 6:50 | 2015-03-27 15:11 | MySQL Server: Optimizer | Verified (2126 days) | S3 | 5.6.22 | Any | Any | "select + distinct + group by " works incorrectly |
| 76604 | 2015-04-07 4:29 | 2015-04-07 6:15 | MySQL Server: Optimizer | Verified (2115 days) | S3 | 5.6.23, 5.6.24, 5.6.25, 5.7.8 | Linux (CentOS 7) | Any | Assertion `length > 0 && keyparts != 0' failed in create_ref_for_key |
| 76679 | 2015-04-13 15:48 | 2017-02-01 14:28 | MySQL Server: Optimizer | Verified (2108 days) | S3 | 5.6, 5.6.24, 5.6.25, 5.7.8 | Any | Any | EXPLAIN incorrectly shows Distinct for tables using join buffer |
| 76755 | 2015-04-20 12:35 | 2015-04-25 13:23 | MySQL Server: Optimizer | Verified (2097 days) | S2 | 5.6.24 | Any | Any | Query execution plan / indexes problem |
| 77068 | 2015-05-18 10:00 | 2015-05-19 6:48 | MySQL Server: Optimizer | Verified (2074 days) | S3 | 5.1+ | Any | Any | date value add '00:00:00' generate different result |
| 77103 | 2015-05-20 12:31 | 2016-06-18 21:26 | MySQL Server: Optimizer | Verified (2071 days) | S2 | 5.6.24 and 5.1.73, 5.1.75, 5.5.45, 5.6.26, 5.7.8, 8.0.0 | Any | Any | DATE and IFNULL result is returned different |
| 77191 | 2015-05-29 9:14 | 2015-05-29 11:30 | MySQL Server: Optimizer | Verified (2063 days) | S2 | 5.6.21, 5.6.24, 5.7.8 | Any | Any | Subquery on information_schema including an IN clause, does not return results |
| 77340 | 2015-06-12 22:34 | 2015-12-18 10:58 | MySQL Server: Optimizer | Verified (1860 days) | S3 | 5.6.25, 5.7.7 | Any | Any | Optimizer chooses wrong index for LEFT JOIN query |
| 77398 | 2015-06-18 8:01 | 2019-04-29 14:01 | MySQL Server: Optimizer | Verified (1680 days) | S1 | 5.7.7 | Any | Any | row size too large in mysql 5.7 query |
| 78025 | 2015-08-11 17:43 | 2015-08-11 21:31 | MySQL Server: Optimizer | Verified (1989 days) | S3 | 5.5, 5.6, 5.7 | Any | Any | Special IS NULL logic for 0000-00-00 does not work with merge views and SQ |
| 78355 | 2015-09-07 15:53 | 2015-09-15 8:51 | MySQL Server: Optimizer | Verified (1954 days) | S5 | 5.5.41, 5.5.46, 5.5.47 | Ubuntu (x64) | Any | nested select query not work on mysql 5.5 but it works well in mysql 5.6 |
| 78612 | 2015-09-28 22:46 | 2018-10-21 9:21 | MySQL Server: Optimizer | Verified (1939 days) | S3 | 5.5.45, 5.6.26, 5.7.8,5.5.47, 5.6.28,5.7.10 | Any | Any | Optimizer chooses wrong index for ORDER BY |
| 78651 | 2015-09-30 18:44 | 2016-10-20 12:35 | MySQL Server: Optimizer | Verified (1938 days) | S3 | 5.5.45, 5.6.26, 5.7.8, 5.5.47, 5.6.28, 5.7.10 | Any | Any | Optimizer chooses wrong index for ORDER BY |
| 79203 | 2015-11-10 11:59 | 2015-11-10 13:28 | MySQL Server: Optimizer | Verified (1898 days) | S3 | 5.6.25 | Debian (Debian GNU/Linux 7.8 (wheezy)) | Any | incorrect result set with block_nested_loop=on |
| 79480 | 2015-12-01 10:59 | 2015-12-03 10:42 | MySQL Server: Optimizer | Verified (1875 days) | S3 | 5.7.9 | Any | Any | Suboptimal query plan in simple join compared to MariaDB 10.1 |
| 79677 | 2015-12-16 17:49 | 2015-12-17 13:47 | MySQL Server: Optimizer | Verified (1861 days) | S3 | 5.6.27, 5.6.28 | Any | Any | Optimizer performs a significantly wrong plan |
| 79681 | 2015-12-16 21:53 | 2016-01-13 10:41 | MySQL Server: Optimizer | Verified (1861 days) | S5 | 5.7, 5.7.10 | Red Hat (Redhat 6 update 5) | Any | Queries running much slower in version 5.7 versus 5.6 |
| 80067 | 2016-01-20 10:50 | 2020-06-17 23:13 | MySQL Server: Optimizer | Verified (1827 days) | S3 | 5.6.28, 5.7.10 | Any | Any | Index on BIT column is NOT used when column name only is used in WHERE clause |
| 80206 | 2016-01-30 6:13 | 2016-01-30 6:13 | MySQL Server: Optimizer | Verified | S3 | 5.7.10 | Any | Any | EQ_REF extension should be skipped for the last joined table |
| 80224 | 2016-02-01 19:13 | 2016-02-15 9:00 | MySQL Server: Optimizer | Verified (1801 days) | S3 | 5.5.46, 5.6.28, 5.7.11 | Any | Any | CONCAT_WS duplication of arguments when used in conjunction with HAVING |
| 80390 | 2016-02-16 10:14 | 2016-02-16 16:34 | MySQL Server: Optimizer | Verified (1800 days) | S5 | 5.6.30 | Any | Any | Clustered primary key included in index merge may cause higher execution times |
| 80455 | 2016-02-20 23:21 | 2016-02-21 22:05 | MySQL Server: Optimizer | Verified (1795 days) | S3 | 5.5, 5.6 | Linux | Any | Non-grouping field error with tables that have the same column names |
| 80802 | 2016-03-21 9:22 | 2016-03-21 10:56 | MySQL Server: Optimizer | Verified (1766 days) | S3 | 5..1/5.5/5.6/57 | Any | Any | "ORDER BY expression" does not allow alias to aggregate |
| 81469 | 2016-05-17 21:51 | 2016-05-18 6:54 | MySQL Server: Optimizer | Verified (1708 days) | S3 | 5.6.30, 5.7.12 | Any | Any | Slow performance for IN subquery and UNION |
| 81803 | 2016-06-10 12:35 | 2016-06-15 16:58 | MySQL Server: Optimizer | Verified (1680 days) | S5 | >=5.1 | Any | Any | Mysql 5.1 and later Update performance regression |
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