Showing 1-90 of 6238 (Edit, Save, CSV, Feed) Show Next 90 Entries »
ID# Date Updated Type Status Sev Version OS CPU Summary
1209432026-07-16
5:53
2026-07-16
5:53
MySQL Server: OptimizerOpenS28.0.42, 8.0.44, 8.0.46, 8.4.10Any (Official mysql Docker images (Linux/aarch64))AnySemijoin duplicate-weedout discards valid rows when fed by a rowid filesort
1209412026-07-16
2:34
2026-07-16
3:21
MySQL Server: InnoDB storage engineOpen
(1 day)
S38.4.7-7AnyAnyContribution by ByteDance RDS MySQL team: InnoDB may permanently skip an undo record during shutdown
1209352026-07-15
10:45
2026-07-15
10:45
MySQL Server: OptimizerOpenS29.5.0AnyAnyDuplicate equivalent EXISTS predicate is not eliminated and causes a much slower execution plan
1209332026-07-15
9:54
2026-07-15
9:54
MySQL Server: InnoDB storage engineOpenS38.4.7-7AnyAnymysqld crash during shutdown
1209312026-07-15
2:52
2026-07-15
2:52
Tests: SystemOpenS3AnyAnyContribution: Mock ci GitHub config v2
1209292026-07-14
16:35
2026-07-14
16:35
MySQL Server: InnoDB storage engineOpenS39.7.1AnyAnyLATEST FOREIGN KEY ERROR is not printed in SHOW ENGINE INNODB STATUS
1209262026-07-14
14:07
2026-07-14
14:07
MySQL Server: OptimizerOpenS38.4.10AnyAnyWrong result with CTE, AVG(DECIMAL), GROUP BY, comparison, and UNION
1209252026-07-14
14:04
2026-07-14
14:04
MySQL Server: OptimizerOpenS38.4.10AnyAnyWrong result with VIEW, GROUP_CONCAT, JSON_QUOTE, UPPER, and UNION
1209242026-07-14
13:59
2026-07-14
13:59
MySQL Server: OptimizerOpenS38.4.10AnyAnyWrong result with VIEW, GROUP_CONCAT, JSON_QUOTE, HEX, LOWER, and self JOIN
1209232026-07-14
13:53
2026-07-14
13:53
MySQL Server: OptimizerOpenS38.4.10AnyAnyWrong result with CTE, UNION ALL, GROUP BY, and COUNT()
1209212026-07-14
13:51
2026-07-14
13:51
MySQL Server: OptimizerOpenS38.4.10AnyAnyWrong result with VIEW, GROUP BY, STDDEV(DOUBLE), and IN subquery
1209182026-07-14
10:56
2026-07-15
5:25
MySQL Server: OptimizerVerified
(2 days)
S39.5.0AnyAnyMySQL returns the wrong column alias for an empty result query
1209172026-07-14
10:34
2026-07-15
5:23
MySQL Server: OptimizerVerified
(2 days)
S39.5.0AnyAnyAdding OR FALSE to an IN-subquery predicate changes the query result
1209122026-07-13
15:04
2026-07-14
6:52
MySQL Server: Security: PrivilegesOpenS38.4.10AnyAnyREQUIRE SUBJECT/ISSUER authentication fails on OpenSSL 3.x (RHEL 9) due to X509_NAME_oneline() escaping + as \+
1209112026-07-13
13:28
2026-07-14
7:03
MySQL Server: OptimizerVerified
(3 days)
S29.6.0,9.7.0UbuntuAnyWrong result after predicate pushdown to HAVING for SUM(DOUBLE) in VIEW/CTE
1209102026-07-13
12:29
2026-07-14
12:31
MySQL Server: OptimizerVerified
(3 days)
S38.4.10AnyAnyWrong result with VIEW, EXISTS, BINARY comparison, nullable boolean expression, and RIGHT JOIN
1209092026-07-13
11:05
2026-07-14
12:38
MySQL Server: OptimizerVerified
(3 days)
S1MySQL 9.7.1AnyAnyROLLUP Incorrectly Sets Base Group Row to NULL for Constant Folded Expression
1209082026-07-13
10:50
2026-07-14
12:42
MySQL Server: OptimizerVerified
(3 days)
S1MySQL 9.7.1AnyAnyDISTINCTROW with GROUP BY in Derived Table Loses Rows Due to Incomplete Duplicate Removal Key
1209072026-07-13
10:36
2026-07-14
12:46
MySQL Server: OptimizerVerified
(3 days)
S1MySQL 9.7.1AnyAnyIndex Lookup Loses Unary Plus Operator During Condition Pushdown, Causing String-to-Integer Truncation and Wrong Match
1209062026-07-13
10:18
2026-07-14
12:50
MySQL Server: OptimizerVerified
(3 days)
S38.4.10AnyAnyWrong result with VIEW, UNION, NOT IN, NULL-safe equality, and LENGTH()
1209052026-07-13
10:06
2026-07-14
12:56
MySQL Server: OptimizerVerified
(3 days)
S1MySQL 9.7.1AnyAnyCASE Expression with Mixed FLOAT/INT Constant Returns Different Results in Single Table vs. Derived Table Due to Type In
1209042026-07-13
9:59
2026-07-13
9:59
MySQL Server: OptimizerOpenS38.4.10AnyAnyWrong/inconsistent result between VIEW and CTE with UNION ALL, EXISTS, and integer division
1209032026-07-13
9:57
2026-07-14
13:03
MySQL Server: OptimizerVerified
(3 days)
S1MySQL 9.7.1AnyAnyWITH ROLLUP in Derived Table Incorrectly Evaluates IFNULL Expression Due to Partial NULL Propagation
1209022026-07-13
9:13
2026-07-14
13:06
MySQL Server: OptimizerVerified
(3 days)
S59.7.1Linux (Ubuntu (22.04.4 LTS))x86 (x86_64, Intel(R) Xeon(R) Gold 5220)Hash join AccessPath double-applies probe-side condition filtering
1209012026-07-13
8:53
2026-07-14
13:12
MySQL Server: OptimizerVerified
(3 days)
S38.4.9, 8.4.10AnyAnySELECT ... LOCK IN SHARE MODE returns different row sets depending on index choice under RC/RU
1209002026-07-13
8:03
2026-07-15
7:51
MySQL Server: OptimizerOpen
(2 days)
S29.5.0AnyAnyRedundant OR FALSE Predicate Causes a Much Slower Plan
1208992026-07-13
7:34
2026-07-13
7:34
MySQL Server: OptimizerOpenS29.5.0AnyAnyAn equivalent query becomes much slower after a redundant duplicated IN-subquery predicate is added
1208962026-07-08
23:11
2026-07-08
23:11
MySQL Server: LoggingOpenS38.4.10AnyAnyGeneral query log inconsistency: SECURITY DEFINER function/trigger bodies logged as definer (host %); SP body not logged
1208952026-07-08
20:22
2026-07-08
20:22
MySQL Server: PackagingOpenS39.7.1Any (el8 / el9)Any9.7.1 Missing BuildRequires: when building el8 / el9 variants breaks rpm bebuilds
1208872026-07-07
10:53
2026-07-07
10:53
MySQL Server: TestsOpenS326.7.0-erMacOS (26.5.2)Anymerge_large_tests-t hanging at Bgc_ticket_manager_test.Several_tickets_test
1208742026-07-06
13:30
2026-07-07
6:42
MySQL Server: OptimizerVerified
(10 days)
S38.4.x, 9.7.xAnyAnyMySQL's INET6_NTOA function is not RFC 5952 complaint
1208702026-07-06
5:20
2026-07-07
6:30
MySQL Server: OptimizerVerified
(10 days)
S59.7.1Ubuntu (22.04.4 LTS)x86 (x86_64, Intel(R) Xeon(R) Gold 5220)Hypergraph misses BETWEEN equality, causing 100x slowdown
1208692026-07-05
10:46
2026-07-06
5:40
MySQL Server: OptimizerVerified
(11 days)
S59.7.1Ubuntu (22.04.4 LTS)x86 (x86_64, Intel(R) Xeon(R) Gold 5220)Optimizer chooses 26x slower join order due to fanout misestimation despite histograms
1208682026-07-05
8:42
2026-07-06
5:30
MySQL Server: OptimizerVerified
(11 days)
S59.7.1Linux (22.04.4 LTS)x86 (x86_64, Intel(R) Xeon(R) Gold 5220)Optimizer misses ORDER BY LIMIT optimization when ordering key is equivalent through join equality
1208672026-07-04
10:14
2026-07-06
11:36
MySQL Server: OptimizerVerified
(11 days)
S1MySQL 9.7.1AnyAnyConst Table Optimization Incorrectly Evaluates FLOAT Comparison with Extreme DOUBLE Constant Due to Overflow
1208612026-07-03
12:43
2026-07-04
13:48
MySQL Server: OptimizerVerified
(13 days)
S59.7.1Ubuntu (22.04.4 LTS)x86 (x86_64, Intel(R) Xeon(R) Gold 5220)SELECT DISTINCT inner join expands duplicate-insensitive fanout instead of using semijoin/existence semantics
1208592026-07-03
9:14
2026-07-03
9:20
MySQL Server: InnoDB storage engineOpenS38.0.30AnyAnymysqld crashes with SIGSEGV in temptable::Block::can_accommodate() due to shared_block_pool use-after-free race conditio
1208572026-07-03
6:23
2026-07-07
7:25
MySQL Server: OptimizerVerified
(10 days)
S29.6.0,9.7.0UbuntuAnyWrong result with LOWER(REVERSE(ST_AsGeoJSON())) comparison under utf8mb4_bin collation in VIEW/CTE
1208562026-07-03
6:15
2026-07-08
8:18
MySQL Server: Data TypesVerified
(9 days)
S29.7.0AnyAnyCOERCIBILITY() differs for expression-derived strings between VIEW/CTE and TEMPORARY TABLE
1208552026-07-03
6:02
2026-07-07
7:18
MySQL Server: OptimizerVerified
(10 days)
S29.6.0,9.7.0UbuntuAnyWrong result with QUOTE(NULL) in VIEW/CTE WHERE predicate
1208542026-07-03
5:49
2026-07-06
15:23
MySQL Server: OptimizerVerified
(11 days)
S29.6.0,9.7.0UbuntuAnyWrong result with COALESCE(YEAR, 0), arithmetic and window function in VIEW/CTE
1208532026-07-03
5:42
2026-07-03
10:12
MySQL Server: OptimizerVerified
(14 days)
S29.6.0,9.7.0UbuntuAnyWrong result with LOWER(JSON), UPPER() comparison and utf8mb4_bin collation in VIEW/CTE
1208522026-07-03
5:32
2026-07-03
10:09
MySQL Server: Data TypesVerified
(14 days)
S29.6.0,9.7.0UbuntuAnyWrong result with YEAR() over DATE after UNION: value displayed as 0000 but satisfies vc > 1970
1208502026-07-03
3:32
2026-07-03
9:57
MySQL Server: OptimizerVerified
(14 days)
S59.7.1Linux (Ubuntu (22.04.4 LTS))x86 (x86_64, Intel(R) Xeon(R) Gold 5220)Optimizer misses impossible INNER JOIN condition with IS NULL and normal equality
1208482026-07-02
17:43
2026-07-03
16:34
MySQL Server: Data TypesVerified
(14 days)
S29.6.0UbuntuAnyInconsistent comparison behavior for MAKETIME() expression between VIEW/CTE and TEMPORARY TABLE
1208472026-07-02
17:28
2026-07-03
9:22
MySQL Server: Data TypesVerified
(14 days)
S29.6.0UbuntuAnyInconsistent comparison behavior for ENUM-derived CASE expression between VIEW/CTE and TEMPORARY TABLE
1208462026-07-02
17:00
2026-07-03
7:49
MySQL Server: OptimizerVerified
(14 days)
S29.6.0UbuntuAnyWrong result with CTE, AVG(NUMERIC(62)), MIN() and derived table join
1208452026-07-02
16:55
2026-07-03
7:44
MySQL Server: OptimizerVerified
(14 days)
S29.6.0UbuntuAnyWrong result with CTE, nested STDDEV_POP(), GROUP BY and UNION
1208432026-07-02
16:43
2026-07-03
9:14
MySQL Server: OptimizerVerified
(14 days)
S29.6.0UbuntuAnyVIEW and CTE return wrong results with YEAR(), UNION and uncorrelated EXISTS subquery
1208422026-07-02
16:34
2026-07-02
20:22
MySQL Server: OptimizerVerified
(15 days)
S29.6.0UbuntuAnyWrong result with CTE, DISTINCT, NULL vs empty string, GROUP_CONCAT() and UNION
1208412026-07-02
16:26
2026-07-02
20:14
MySQL Server: OptimizerVerified
(15 days)
S29.6.0UbuntuAnyWrong result with CTE, ORDER BY LIMIT, GROUP BY, SUM() and outer UNION
1208402026-07-02
16:20
2026-07-02
20:09
MySQL Server: OptimizerVerified
(15 days)
S29.6.0UbuntuAnyVIEW and equivalent CTE differ when LOWER(JSON_TYPE(...)) is compared with JSON_TYPE() result in a UNION query
1208392026-07-02
15:37
2026-07-02
20:04
MySQL Server: OptimizerVerified
(15 days)
S29.6.0UbuntuAnyWrong result with CTE, YEAR column, scalar subquery, outer UNION and MAX() aggregate
1208382026-07-02
15:28
2026-07-02
19:57
MySQL Server: OptimizerVerified
(15 days)
S29.6.0UbuntuAnyWrong result with CTE, UNION, BIT column and NOT IN subquery containing NULL
1208372026-07-02
15:20
2026-07-02
19:44
MySQL Server: OptimizerVerified
(15 days)
S29.6.0AnyAnyWrong result with CTE, UNION ALL, GROUP BY/HAVING and LOCATE('', column)
1208362026-07-02
15:08
2026-07-02
19:35
MySQL Server: OptimizerVerified
(15 days)
S29.6.0UbuntuAnyWrong result with VIEW, UNION, MAKETIME(), MEDIUMTEXT and NOT IN subquery containing NULL
1208352026-07-02
14:24
2026-07-02
14:24
MySQL Server: InnoDB storage engineOpenS39.7.0AnyAnyUBSan error on log0log.log_writer test
1208342026-07-02
10:38
2026-07-02
19:03
MySQL Server: OptimizerVerified
(15 days)
S19.7.1AnyAnyAVG on Large DOUBLE Values Returns Inconsistent Results Across Execution Paths (Index Scan vs. Temporary Table)
1208332026-07-02
10:32
2026-07-03
1:33
MySQL Server: OptimizerVerified
(14 days)
S19.7.1AnyAnyIndex Lookup Truncates DOUBLE to BIGINT for IF(NULL, …) and GREATEST(string, double) in IN Conditions
1208322026-07-02
10:02
2026-07-02
18:06
MySQL Server: OptimizerVerified
(15 days)
S19.7.1AnyAnyWITH ROLLUP Super‑Aggregate Row Missing in Zero Input Rows Short‑Circuit Path
1208302026-07-02
3:11
2026-07-02
9:34
MySQL Server: OptimizerVerified
(15 days)
S59.7.1Ubuntu (22.04.4 LTS)x86 (x86_64, Intel(R) Xeon(R) Gold 5220)Optimizer chooses 2800x slower join order despite lower-cost JOIN_PREFIX plan
1208292026-07-01
22:32
2026-07-01
22:32
MySQL Server: OptimizerOpenS58.4.10, but not 9.7AnyAnyFunctional index intermittently unusable under concurrent load: possible_keys=NULL, FORCE INDEX silently ignored
1208272026-07-01
12:25
2026-07-01
12:25
MySQL Server: InnoDB storage engineOpenS58.0.45LinuxAnyClarification on deadlock during concurrent INSERT into secondary index without preceding locking reads
1208212026-07-01
8:16
2026-07-08
11:11
MySQL Server: OptimizerVerified
(9 days)
S29.5.0AnyAnySELECT DISTINCT makes an equivalent query ~170x faster on round90.t1 in MySQL 9.5.0
1208092026-06-29
7:31
2026-07-02
14:07
MySQL Server: OptimizerVerified
(15 days)
S59.7.1 and 8.0.31 Ubuntu (22.04.4 LTS)AnyOptimizer misses DISTINCT early-out and chooses 40M-row hash join Cartesian product
1208042026-06-28
13:41
2026-06-28
21:27
MySQL Server: InnoDB storage engineOpenS1mysql 8.4.9Ubuntu (20.04)x86Unexpected deadlock under RR/SER when updating a row already locked by the same transaction
1208032026-06-28
13:20
2026-06-29
2:51
MySQL Server: OptimizerVerified
(18 days)
S19.6AnyAnyCTE Materialization Causes LEAST to Degenerate from String Comparison to Numeric Comparison
1207992026-06-28
8:09
2026-06-29
17:29
MySQL Server: InnoDB storage engineOpen
(18 days)
S2mysql 8.4.9Ubuntu (20.04)x86SELECT ... LOCK IN SHARE MODE returns different row sets depending on index choice under RC/RU
1207972026-06-27
15:18
2026-07-02
13:29
MySQL Server: OptimizerVerified
(15 days)
S59.7.1Ubuntu (22.04.4 LTS)x86Poor plan for DISTINCT Cartesian product: hash join materializes full product while NO_BNL is about 50x faster
1207942026-06-27
11:54
2026-06-27
11:56
MySQL Server: CompilingOpenS39.7.0UbuntuAnyCompiling MySQL produces warnings
1207932026-06-27
11:52
2026-07-08
9:30
MySQL Server: OptimizerVerified
(9 days)
S59.7.1Ubuntu (22.04.4 LTS)x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz)Default heuristic pruning misses join-connected prefix in 3-table query, causing ~40x slower plan
1207872026-06-26
11:04
2026-06-27
2:48
MySQL Server: OptimizerDocumenting
(21 days)
S29.7.0AnyAnyIN (DATE/TIME constant list) wrongly TRUE for non-temporal string
1207822026-06-25
20:24
2026-06-26
4:47
MySQL Server: OptimizerVerified
(21 days)
S29.7.0LinuxAnyDerived merge: temporal expr ignores NULL-extended LEFT JOIN row
1207802026-06-25
20:19
2026-06-26
7:00
MySQL Server: DMLVerified
(21 days)
S29.7.0LinuxAnyNested DATE_ADD on a date string adds spurious 00:00:00, drops WHERE rows
1207792026-06-25
20:16
2026-06-26
20:48
MySQL Server: DMLDocumenting
(21 days)
S29.7.0LinuxAnyPOW(x, NULL) returns 1 instead of NULL (NULL exponent ignored)
1207772026-06-25
19:24
2026-06-26
6:29
MySQL Server: ReplicationVerified
(21 days)
S38.4.9, 9.7.0LinuxAnyReplica crash on short Format_description_event post_header_len
1207752026-06-25
16:38
2026-06-25
16:38
Tests: SystemOpenS3AnyAnyContribution: Add open source contribution workflows
1207742026-06-25
12:16
2026-06-25
12:16
MySQL Server: ReplicationOpenS28.4.8LinuxAnyreplication worker thread dealock
1207732026-06-25
11:54
2026-06-26
10:38
MySQL Server: OptimizerVerified
(21 days)
S59.7.1Ubuntu (Ubuntu (22.04.4 LTS))x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz)Hash join misses DISTINCT ORDER BY LIMIT early termination
1207722026-06-25
10:27
2026-07-08
9:03
MySQL Server: OptimizerVerified
(9 days)
S59.7.1 and 8.0.31 Ubuntu (22.04.4 LTS)x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz)UPDATE HISTOGRAM causes optimizer to use stale cardinalities and miss faster join order
1207582026-06-24
6:13
2026-07-14
14:43
MySQL Server: InnoDB storage engineOpenS3AnyAnyAdd logging for redo log scan performance statistics
1207572026-06-24
6:04
2026-07-16
20:48
MySQL Server: ReplicationPatch pending
(1 day)
S28.4AnyAny"Start Transaction" modifier in the binary log cannot be replayed on an instance that does not have binary logs enabled.
1207392026-06-22
11:42
2026-06-22
11:56
MySQL Server: ReplicationOpenS15.7.25Linuxx86Corruption of the index file caused stale binary log entries to be re-applied after executing FLUSH LOGS
1207382026-06-22
10:55
2026-06-22
11:26
MySQL Server: ReplicationOpenS15.7.25Linux (6)x86Corruption of the index file caused stale binary log entries to be re-applied after executing FLUSH LOGS
1207372026-06-22
8:28
2026-06-22
10:31
MySQL Server: OptimizerVerified
(25 days)
S18.0.45AnyAnyInconsistent CAST Handling of Out-of-Range TEXT Values in Single Table vs. View/Join Paths
1207362026-06-22
6:46
2026-07-08
8:56
MySQL Server: OptimizerVerified
(9 days)
S39.6.0AnyAnyFORCE INDEX make a query with OR (NOT NULL column <=> NULL) degrade from an index range scan to a full table scan
1207342026-06-20
14:02
2026-06-22
9:59
MySQL Server: OptimizerVerified
(25 days)
S18.0.45AnyAnyConstant Table Optimization Ignores WHERE Condition for MAX(DISTINCT), Returning Incorrect Non-NULL Value
1207332026-06-20
13:38
2026-06-22
9:29
MySQL Server: OptimizerVerified
(25 days)
S1MySQL 9.6AnyAnyDISTINCTROW with ROW_NUMBER() Derived Table and GROUP BY Causes Duplicate Removal Key to Miss a Non‑Aggregate Column, Me
1207322026-06-20
13:22
2026-06-22
6:37
MySQL Server: OptimizerVerified
(25 days)
S3MySQL 9.6Any (Storage Engine: InnoDB)AnyDerived Table Merging Causes Incorrect Duplicate Removal with DISTINCT + GROUP BY + SUM(DISTINCT EXISTS(subquery))
1207172026-06-17
13:33
2026-07-07
19:02
MySQL Server: CompilingOpen
(10 days)
S39.7.0, 26.7.0-erMacOS (26.5.1)ARMBuild fails under macOS with LLVM 18
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