Showing all 443 (Edit, Save, CSV, Feed)
ID# Date Updated Type Status Sev Version OS CPU Summary
1208072026-06-29
5:19		2026-06-29
14:32		MySQL Server: CompilingDuplicate
(57 days)		S2MacOSAnyFail to compile https://github.com/mysql/mysql-server with clang 21
1198082026-01-29
14:44		2026-07-08
12:18		MySQL Server: DMLVerified
(48 days)		S2AnyAnyError 3569 with HIGH_PRIORITY + VIEW + GROUP BY + FOR UPDATE
1198202026-01-31
11:14		2026-01-31
12:37		MySQL Server: DMLNot a Bug
(206 days)		S2AnyAnyUpdate Temporary table: Can't reopen table
1199932026-03-06
7:57		2026-03-09
8:14		MySQL Server: OptimizerDuplicate
(169 days)		S2Linuxx86Incorrect result with LEFT/RIGHT JOIN when using functional index and boolean expression comparison
1199942026-03-06
8:20		2026-03-09
8:17		MySQL Server: OptimizerDuplicate
(169 days)		S2Linuxx86Incorrect result with LEFT/RIGHT JOIN using functional index and boolean expression comparison
1202972026-04-20
8:44		2026-04-20
10:04		MySQL Server: OptimizerVerified
(127 days)		S2 8.0.32AnyAnyquery_term.cc:320 assert(false) crash — UNION query triggers unhandled AccessPath
1191452025-10-13
12:53		2026-01-21
11:10		MySQL Server: OptimizerDuplicate
(216 days)		S2 8.4.6Any (windows )Any (x64)INNER JOIN and INTERSECT of LEFT/RIGHT JOINs return different results with complex boolean conditions
1189162025-08-31
18:26		2025-09-05
8:21		MySQL Server: OptimizerDuplicate
(354 days)		S2 9.4.0 AnyAnyIncorrect result set when querying view with LEFT JOIN, COALESCE and EXISTS subquery
1189182025-09-01
7:30		2026-04-03
10:48		MySQL Server: OptimizerDuplicate
(144 days)		S2 9.4.0 AnyAnyInconsistent NULL handling in CTE LEFT JOIN results
1189372025-09-04
4:36		2025-09-10
0:43		MySQL Server: OptimizerVerified
(350 days)		S2 9.4.0 AnyAny LEFT JOIN with constant functions returns incorrect results when condition is ON FALSE
1190682025-09-25
8:43		2025-10-01
14:05		MySQL Server: OptimizerVerified
(330 days)		S2 9.4.0 Linuxx86RIGHT JOIN on VIEW with IN subquery returns incorrect non-NULL value instead of NULL
1190742025-09-26
4:46		2026-04-02
6:15		MySQL Server: OptimizerDuplicate
(145 days)		S2 9.4.0 Linuxx86Incorrect result with derived_condition_pushdown optimization in correlated subquery with LEFT JOIN ON FALSE
1191002025-10-01
1:00		2026-04-02
6:17		MySQL Server: OptimizerDuplicate
(145 days)		S2 9.4.0 Linuxx86WHERE alias IS NULL Fails for Derived Column Using subquery
1203532026-04-27
11:55		2026-04-29
11:43		MySQL Server: InnoDB storage engineCan't repeat
(118 days)		S2<=8.0.42-debugAnyAny InnoDB crashes with assertion failure (ut_dbg_assertion_failed) when creating index with ALGORITHM COPY on table with F
1210512026-08-04
6:20		2026-08-06
7:41		MySQL Server: PackagingOpen
(21 days)		S226.7.0, 9.7.2Fedora (Fedora 44)AnyPackage dependency issues on Fedora 44
1194452025-11-23
4:32		2025-11-23
4:32		MySQL Server: InnoDB storage engineOpenS25.7UbuntuAnyALTER TABLE ... AUTO_INCREMENT allows values outside column datatype range → later INSERT fails
1194572025-11-25
9:00		2025-11-27
12:42		MySQL Server: InnoDB storage engineOpen
(271 days)		S25.7AnyAnyimport tablespace cost too long
1196512026-01-09
2:19		2026-01-09
7:39		MySQL Server: Memory storage engineUnsupported
(228 days)		S25.7AnyAnyA core dump occurred during heap scan.
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
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
1189122025-08-28
16:24		2025-09-04
11:48		MySQL Server: OptimizerVerified
(358 days)		S18 and above, 8.0.42, 8.4.5, 9.3.0AnyAnyMismatch in Column values with SUM of IFNULL vs IFNULL of SUM
1191362025-10-13
3:14		2026-04-22
21:05		MySQL Server: OptimizerClosed
(125 days)		S28.0AnyAnyIncompatible behavior between integer columns when comparing with datetime
1194322025-11-20
8:47		2025-12-07
21:44		MySQL Server: Data TypesVerified
(261 days)		S18.0AnyAnyInconsistent time conversion behaviors between text and integer
1194532025-11-24
14:12		2025-12-07
22:36		MySQL Server: OptimizerVerified
(261 days)		S28.0AnyAnyDEFAULT(column) returns wrong result when column is to the right of left join
1195282025-12-09
9:49		2025-12-10
12:38		MySQL Server: OptimizerVerified
(258 days)		S28.0AnyAnyhash join result incorrect
1196022025-12-28
21:11		2025-12-29
10:39		MySQL Server: InnoDB storage engineOpenS28.0AnyAnyInconsistent data
1196032025-12-29
1:19		2026-01-04
20:40		MySQL Server: OptimizerVerified
(233 days)		S28.0AnyAnyTRUE >= ALL(...) returns incorrect result (1) when comparing against a NOT NULL column
1196192026-01-04
14:07		2026-01-04
21:17		MySQL Server: OptimizerVerified
(233 days)		S18.0AnyAnyIncorrect results for REPLACE function
1196282026-01-05
22:20		2026-05-06
15:44		MySQL Server: InnoDB storage engineOpen
(111 days)		S18.0AnyAnyUndo Truncation Bug, not fixed in 8.0, leads to Data Corruption.
1199572026-02-28
7:28		2026-02-28
7:28		MySQL Server: ReplicationOpenS28.0AnyAnyContribution by Tencent: Replica Crash Due to Stale fts_doc_id in HASH_SCAN Replication Path
1206412026-06-09
10:23		2026-07-20
11:12		MySQL Server: OptimizerVerified
(77 days)		S18.0Any (Storage Engine: InnoDB)AnyDerived condition pushdown causes wrong row filtering due to incorrect constant folding with any_value() aggregation
1210472026-08-01
1:37		2026-08-01
1:37		MySQL Server: Data DictionaryOpenS28.0Linuxx86Replica crash in `dd_first_index` on empty `dd::Table::indexes()` collection under concurrent DD
1211172026-08-18
12:41		2026-08-18
12:41		MySQL Server: Data DictionaryOpenS18.0 all versionLinuxx86SIGSEGV in rec_convert_dtuple_to_rec_comp during ALTER TABLE ... COALESCE PARTITION on a partitioned InnoDB
1195412025-12-11
12:32		2026-08-13
14:48		MySQL Server: OptimizerPatch pending
(256 days)		S28.0, 8.4, 9.5AnyAnyPerformance regression due to record buffer in index range scan
1210562026-08-04
22:19		2026-08-04
22:26		MySQL Server: ReplicationOpen
(21 days)		S28.0, 8.4, 9.7 and 26.7.0AnyAnyThe recovery recommendations in Last_IO_Error "fatal error 1236" are wrong (since 8.0.17).
1199442026-02-25
22:14		2026-02-26
13:13		MySQL Server: OptimizerVerified
(180 days)		S18.0, 8.4, 9.XAnyAnyFeature Request: Extend TIMESTAMP range beyond 2038-01-19 by switching to 64-bit signed storage (Year 2038 Problem)
1192042025-10-22
8:10		2025-10-23
10:04		MySQL Server: DMLVerified
(306 days)		S28.0,9.5AnyAnyThe change of join order may lead to inconsistent update data
1201052026-03-19
7:42		2026-04-17
17:11		MySQL Server: InnoDB storage engineCan't repeat
(137 days)		S28.0.22AnyAnymysql crash on fil_report_invalid_page_access_low
1191862025-10-18
2:55		2025-10-18
9:06		MySQL Server: Clone PluginCan't repeat
(311 days)		S18.0.25AnyAnyafter clone over,mysql crash.
1190412025-09-19
8:19		2025-09-23
9:57		MySQL Server: OptimizerVerified
(336 days)		S28.0.25 8.0.40AnyAnystatistics automatic update cause poor execution plan
1196122025-12-31
2:10		2025-12-31
5:02		MySQL Server: InnoDB storage engineOpenS28.0.25 8.0.40AnyAnydict_stats_analyze_index() may always discard optimal index-based access paths
1202082026-04-03
7:57		2026-05-04
1:00		MySQL Server: DMLNo Feedback
(114 days)		S18.0.28Any (Aurora MySQL 3.04.4)AnySIGSEGV crash in TABLE_LIST::query_block_id_for_explain() when running EXPLAIN on CTE (WITH clause) query
1211662026-08-25
1:41		2026-08-25
1:43		MySQL Server: InnoDB storage engineOpenS28.0.30AnyAnyconcurrent updates make FK ON UPDATE CASCADE miss child rows
1195672025-12-17
2:53		2025-12-18
2:10		MySQL Server: InnoDB storage engineOpen
(250 days)		S28.0.30/9.4.0/8.4.6AnyAnysignal 6 crashed when too many connections
1200042026-03-07
19:38		2026-03-09
9:48		MySQL Server: OptimizerVerified
(169 days)		S28.0.31 AnyAnyIndexSkipScanIterator Assertion Failure
1201852026-03-31
8:58		2026-04-06
4:47		MySQL Server: DMLCan't repeat
(141 days)		S28.0.32-debugAnyAny Assertion Failure in add_key_fields with Nested CTE
1194582025-11-25
9:23		2025-11-25
9:31		MySQL Server: Group ReplicationOpen
(273 days)		S28.0.32, 8.4.4AnyAnyserver cannot restart after crash when relay_log_recovery=1 and have both mgr and normal slave
1196302026-01-06
7:59		2026-01-21
18:56		MySQL Server: OptimizerDuplicate
(216 days)		S28.0.33Any (22.04)AnyOptimizer incorrectly merges derived table with type conversion and WHERE clause, causing wrong query results
1196312026-01-06
12:13		2026-01-21
12:16		MySQL Server: OptimizerDuplicate
(216 days)		S28.0.33Any (22.04)AnyCTE with type conversion and WHERE condition in IN/EXISTS subquery returns all rows instead of filtered rows
1196462026-01-08
7:46		2026-01-21
20:24		MySQL Server: OptimizerDuplicate
(216 days)		S28.0.33Ubuntu (22.04)AnyView + Type Conversion + IN Subquery Returns Wrong Result
1209742026-07-21
18:54		2026-07-22
8:43		MySQL Server: Information schemaOpen
(34 days)		S28.0.34-26AnyAnyClient connection kill command doesn't kill process
1194362025-11-20
15:36		2025-11-27
7:03		MySQL Server: Security: PrivilegesOpenS28.0.35Ubuntu (EC2 instance)x86User Privileges are Missed On Replica Server
1194412025-11-21
20:09		2025-11-21
20:09		MySQL Server: Group ReplicationOpenS28.0.35Linux (Rocky Linux release 8.10)x86Group replication binds to ipv6 wildcard address
1197962026-01-27
19:12		2026-01-29
4:32		MySQL Server: DDLCan't repeat
(208 days)		S28.0.35AnyAnyEncrypted data changes when adding columns
1204372026-05-11
8:47		2026-06-26
7:08		MySQL Server: Information schemaVerified
(60 days)		S28.0.35, 8.4.8, 9.3.0, 9.7.0AnyAnyinformation_schema.partitions returns UINT64_MAX (18446744073709551615) for DATA_LENGTH of partition dropped during conc
1196482026-01-08
11:37		2026-01-09
6:09		MySQL Server: InnoDB storage engineOpenS28.0.39AnyAnyNon-repeatable Reads in REPEATABLE READ Isolation Level
1201702026-03-28
8:33		2026-03-28
8:33		MySQL Server: InnoDB storage engineOpenS28.0.39AnyAny Missing Update in READ COMMITTED during concurrent UPDATE with row re-evaluation failure.
1193962025-11-14
10:58		2025-11-14
15:12		MySQL Server: InnoDB storage engineOpen
(284 days)		S18.0.40AnyAnyIncrease in undo log size , slower purging and no truncation even after restart
1195782025-12-19
14:06		2025-12-19
14:11		MySQL Server: InnoDB storage engineOpenS18.0.40Anyx86Repeated MySQL Crashes During Online ALTER on Multi -TB Tables
1190492025-09-22
7:23		2025-09-22
7:53		MySQL Server: OptimizerClosed
(337 days)		S28.0.41Linux (5.10.134-19.al8.x86_64)x86 (x86_64)Performance regression in 8.0.41 compared to 5.7.37 for queries using limit
1191562025-10-15
2:01		2026-01-13
11:13		MySQL Server: OptimizerVerified
(224 days)		S28.0.41CentOSx86Query returns incorrect result (12 vs 2) when using FORCE INDEX compared to optimizer's automatic index selection, when
1192412025-10-27
11:25		2025-10-27
11:29		MySQL Server: DDLOpen
(302 days)		S28.0.41AnyAnyException when creating index instance
1194672025-11-27
6:05		2025-11-27
6:05		MySQL Server: DDLOpenS28.0.41AnyAnyCreating the index directly works, but the operation fails when wrapped in an IF() function,
1194742025-11-29
9:29		2025-12-01
4:16		MySQL Server: OptimizerVerified
(267 days)		S28.0.41AnyAnyResult error caused by the subquery_to_derived optimizer switch
1194922025-12-02
11:57		2025-12-03
3:38		MySQL Server: OptimizerClosed
(265 days)		S28.0.41AnyAnyInconsistent data types of the IN condition in JOIN queries leads to incorrect query results.
1195262025-12-09
3:13		2026-01-11
1:00		MySQL Server: OptimizerNo Feedback
(227 days)		S28.0.41AnyAnyInconsistent query results caused by the NO_MERGE hint
1196012025-12-28
11:55		2026-02-08
13:32		MySQL Server: OptimizerVerified
(198 days)		S28.0.41CentOSAny (x86)Crash for show processlist when use cursor
1200192026-03-10
12:29		2026-03-10
14:40		MySQL Server: OptimizerVerified
(168 days)		S28.0.41AnyAnyquery result change after removing partitioning
1205742026-05-29
14:05		2026-08-04
13:50		MySQL Server: OptimizerDuplicate
(21 days)		S28.0.41AnyAnyRange optimizer exceeds memory limit and chooses bad range plan for large IN lists
1205862026-06-01
9:25		2026-06-01
9:48		MySQL Server: OptimizerDuplicate
(85 days)		S28.0.41AnyAny Incorrect duplicate rows caused by lost IN predicate during semijoin materialization with view column using COLLATE
1211422026-08-20
1:50		2026-08-20
5:21		MySQL Server: OptimizerDuplicate
(5 days)		S18.0.41, 8.4.11, 9.4.0, 9.7.1 AnyAnygroup skip scan for deduplication collapses each group to one row before a semijoin/antijoin condition on a later index
1189132025-08-29
3:40		2025-09-01
10:19		MySQL Server: OptimizerVerified
(358 days)		S28.0.41, 9.4.0AnyAnyqueries have different results for non primary key table and table with primary key
1189042025-08-28
3:20		2025-09-04
11:46		MySQL Server: OptimizerVerified
(358 days)		S28.0.41+AnyAnyIncorrect results could be returned when using index condition pushdown and Range checked for each record
1205752026-05-30
6:57		2026-08-04
14:17		MySQL Server: OptimizerDuplicate
(21 days)		S28.0.41+AnyAnyRange optimizer chooses bad range plan for large IN lists and execution is very slow and memory usage spikes.
1208172026-06-30
8:54		2026-07-08
11:08		MySQL Server: InnoDB storage engineCan't repeat
(48 days)		S18.0.42Other (kylinV10)x86 (intel)mysqld startup error
1191332025-10-11
6:55		2025-10-11
6:56		MySQL Server: InnoDB storage engineOpen
(318 days)		S28.0.42AnyAnyUnder the RC isolation level, updating data after a SELECT FOR UPDATE may lead to data read inconsistency.
1196062025-12-29
14:23		2026-01-21
20:58		MySQL Server: OptimizerDuplicate
(221 days)		S28.0.42Linux (Linux (x86_64))AnyAssertion failure in item_func.cc:3937: !unsigned_flag || !arg_val.is_negative() during JOIN optimization
1196392026-01-07
9:05		2026-01-21
21:05		MySQL Server: OptimizerDuplicate
(216 days)		S28.0.42AnyAnyAssertion Failure in LEAST() Function with Unsigned Columns
1197592026-01-22
18:55		2026-05-12
20:31		MySQL Server: InnoDB storage engineOpen
(215 days)		S28.0.42AnyAnyInnoDB allow reads on non-durable data, which can be lost after crash(visibility before durability window)
1202812026-04-17
9:21		2026-04-17
11:32		MySQL Server: ReplicationOpen
(130 days)		S28.0.42Linux (any)Anyreplica_preserve_commit_order causes infinite deadlock in group commit pipeline, blocking all application writes
1209432026-07-16
5:53		2026-07-21
16:53		MySQL Server: OptimizerDuplicate
(35 days)		S28.0.42, 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
1210262026-07-29
3:26		2026-07-31
11:37		MySQL Server: OptimizerVerified
(25 days)		S28.0.42, 8.0.46, 8.4.9, 9.7.2Any (official mysql Docker images, linux/arm64 and linux/amd64)AnySemijoin duplicate-weedout missing from plan: EXISTS + NOT EXISTS returns duplicate rows
1198022026-01-28
13:49		2026-01-28
15:52		MySQL Server: OptimizerVerified
(209 days)		S28.0.42+AnyAnyAssertion 'is_nullable()' failed in Item_typecast_signed::val_int()
1198772026-02-10
12:42		2026-02-11
9:52		MySQL Server: InnoDB storage engineOpenS28.0.42+AnyAnyInnoDB Buffer Pool Flush State Mutex Contention (8.0.42-debug)
1210302026-07-29
21:55		2026-07-31
7:56		MySQL Server: Data DictionaryVerified
(25 days)		S28.0.42+ and 8.4.5+AnyAnyUpgrade fails with MY-013135 on tables with CHECK constraints/generated columns/partitions
1203632026-04-28
6:58		2026-06-04
8:42		MySQL Server: OptimizerVerified
(82 days)		S28.0.43Any (Docker container)Any (x86_64)LEFT JOIN ON FALSE causes incorrect NULL comparison result in MySQL
1204722026-05-14
4:07		2026-06-04
8:43		MySQL Server: OptimizerVerified
(82 days)		S28.0.43AnyAnyWrong Result After Removing Semantically Redundant RIGHT JOIN ... ON FALSE
1192562025-10-28
7:12		2025-10-28
7:12		MySQL Server: ReplicationOpenS28.0.43AnyAnyReplication with additional column on source can cause data loss and should not be allowed
1195542025-12-15
16:22		2026-05-06
4:57		MySQL Server: InnoDB storage engineDuplicate
(111 days)		S28.0.43CentOS ( 7.9.2009 (Core))AnyCRASH SERVER after Truncate
1199552026-02-27
5:03		2026-06-04
8:37		MySQL Server: OptimizerVerified
(82 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)Semantically equivalent scalar expressions yield different result sets in WHERE clause involving RPAD()
1201522026-03-25
8:50		2026-06-04
8:38		MySQL Server: OptimizerVerified
(82 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)Unexpected behavior of LEFT JOIN + empty subquery with NULL comparison in WHERE clause
1201592026-03-26
11:41		2026-06-04
8:38		MySQL Server: OptimizerVerified
(82 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)RIGHT JOIN + Complex Subqueries Returns Extra Rows
1201792026-03-30
10:54		2026-06-04
8:39		MySQL Server: OptimizerVerified
(82 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)NoREC Test: COUNT(*) vs SUM(CASE...) produces inconsistent results with RIGHT JOIN + LEFT JOIN
1201802026-03-30
13:32		2026-06-30
5:29		MySQL Server: OptimizerVerified
(56 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)NoREC Bug: COUNT(*) and SUM(CASE WHEN ...) return inconsistent results with string-length expression and NULL-sensitive
1201872026-03-31
11:46		2026-06-30
5:37		MySQL Server: OptimizerVerified
(56 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)Bug: COUNT(*) vs SUM(CASE WHEN ...) returns inconsistent results with NULL-sensitive joins
1201892026-03-31
12:43		2026-06-30
6:11		MySQL Server: OptimizerVerified
(56 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)TLP Bug: COUNT(*) on orders returns 5, but equivalent TLP-style with complex NULLIF and CASE expressions return 10
1201902026-03-31
13:04		2026-06-30
5:22		MySQL Server: OptimizerVerified
(56 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)TLP Bug: COUNT(*) returns 20, while TLP-partitioned queries return 0 under RIGHT JOIN with LATERAL subqueries
1201912026-03-31
13:32		2026-07-08
12:40		MySQL Server: OptimizerVerified
(48 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)TLP bug: Incorrect result under Ternary Logic Partitioning (TLP) with complex RIGHT JOIN chains
1202242026-04-07
12:25		2026-06-04
8:41		MySQL Server: OptimizerVerified
(82 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)Inconsistent row counts for DELETE vs SELECT with EXISTS and lateral subquery on the same table
1202252026-04-07
13:40		2026-06-04
8:41		MySQL Server: OptimizerVerified
(82 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)Inconsistent behavior between SELECT and DELETE/UPDATE with EXISTS and LEFT JOIN subquery
1202712026-04-15
10:54		2026-06-04
8:42		MySQL Server: OptimizerVerified
(82 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)Logic error: EXISTS subquery treated as constant TRUE yields different result than literal TRUE
1202792026-04-17
7:23		2026-06-04
8:42		MySQL Server: OptimizerVerified
(82 days)		S28.0.43 (MySQL Community Server - GPL)AnyAnySevere performance degradation with window function + joins (works fast in PostgreSQL/DuckDB/TiDB)
1203402026-04-24
9:13		2026-07-09
5:42		MySQL Server: OptimizerNot a Bug
(47 days)		S28.0.43 (MySQL Community Server - GPL)AnyAnyInconsistent evaluation of NULLIF(ROUND(VAR_SAMP(...)), const) <= value between MySQL and PostgreSQL/DuckDB causes diffe
1203772026-04-29
8:45		2026-06-04
8:43		MySQL Server: OptimizerVerified
(82 days)		S28.0.43 (MySQL Community Server - GPL)Any (Docker container)Any (x86_64)Incorrect row count in MySQL when using LATERAL derived table with DISTINCT and CASE
1196212026-01-05
11:11		2026-02-24
12:06		MySQL Server: JSONVerified
(182 days)		S28.0.43 / 8.4.7AnyAnyquery on partitioned table report "the JSON binary value contains invalid data"
1204712026-05-14
0:08		2026-05-18
9:15		MySQL Server: ReplicationOpen
(103 days)		S18.0.43, 8.0.46, 8.4.9, 9.7.0Any (reproduced on macOS and Linux)Anybinary log violates read after write (commit) consistency
1193812025-11-13
8:14		2026-01-13
19:17		MySQL Server: DMLVerified
(224 days)		S28.0.43, 9.4.0AnyAnyContribution by Tencent: Duplicate auto-increment values happened with partitioned tables and uk conflict
1192362025-10-27
4:15		2026-06-16
11:25		MySQL Server: Prepared statementsClosed
(124 days)		S28.0.44AnyAnyThe SQL reprepare bug results in 100% CPU load.
1194512025-11-24
9:50		2026-01-21
3:17		MySQL Server: LockingOpen
(216 days)		S28.0.44AnyAnyThe schema's MDL lock is held for too long after opening the table
1194602025-11-25
10:08		2026-01-21
3:17		MySQL Server: InnoDB storage engineOpen
(216 days)		S28.0.44AnyAnyInnoDB transaction may get stuck in an infinite loop when releasing Read Locks
1195702025-12-17
10:08		2025-12-18
6:06		MySQL Server: InnoDB storage engineOpenS28.0.44Ubuntu (24.04)x86 (running under Virtual Box 7.2.2, Win11 host)Reports of "database page corruption", and server restart
1195822025-12-22
6:49		2025-12-22
19:27		MySQL Server: OptimizerVerified
(246 days)		S28.0.44AnyAnyInconsistency functional dependency in ONLY_FULL_GROUP_BY mode between derived tables and physical tables
1195882025-12-24
3:03		2025-12-26
17:23		MySQL Server: OptimizerVerified
(242 days)		S18.0.44AnyAnyIncorrect result in JOIN with IN subquery
1195912025-12-24
7:27		2025-12-26
17:48		MySQL Server: Data TypesVerified
(242 days)		S18.0.44AnyAnyIncorrect result type for NULLIF(DOUBLE,BIGINT) function
1195972025-12-26
2:37		2025-12-26
17:57		MySQL Server: OptimizerVerified
(242 days)		S18.0.44AnyAnyWHERE ... IN ... incorrectly returns rows
1196612026-01-12
13:19		2026-01-12
13:19		MySQL Server: InnoDB storage engineOpenS28.0.44AnyAnyDrop multiple FTS will cause permanent leakage of its AUX tables
1196692026-01-13
13:27		2026-01-13
14:53		MySQL Server: OptimizerVerified
(224 days)		S18.0.44AnyAnyInconsistent behaviour between normal query and prepared statement
1196702026-01-13
13:46		2026-01-13
14:51		MySQL Server: OptimizerVerified
(224 days)		S18.0.44AnyAnyIncorrect result caused by index
1196762026-01-14
6:26		2026-01-14
13:11		MySQL Server: ReplicationOpenS28.0.44AnyAnyColumn statistic (histograms) is not replicated in read_only replica mode
1196832026-01-14
15:35		2026-01-15
12:57		MySQL Server: OptimizerVerified
(222 days)		S18.0.44Linuxx86Different results for INNER JOIN and STRAIGHT_JOIN with GREATEST() IN predicate
1196862026-01-15
8:37		2026-01-15
13:11		MySQL Server: OptimizerVerified
(222 days)		S28.0.44Linuxx86Incorrect result when joined table has PRIMARY KEY and WHERE predicate involves CASE
1196872026-01-15
10:23		2026-01-15
13:18		MySQL Server: OptimizerVerified
(222 days)		S18.0.44AnyAnyInconsistent behaviour between normal and prepared INSERT
1196922026-01-16
5:23		2026-01-16
8:09		MySQL Server: OptimizerVerified
(221 days)		S18.0.44AnyAnyThe normal query generated a non-optimal query plan.
1197082026-01-16
14:58		2026-02-08
12:32		MySQL Server: OptimizerVerified
(198 days)		S28.0.44LinuxAnyINNER JOIN and STRAIGHT_JOIN produce different results with FLOAT UNIQUE column on MEMORY table
1197162026-01-19
1:36		2026-01-19
9:16		MySQL Server: OptimizerVerified
(218 days)		S18.0.44AnyAnySuboptimal query plan generated by normal query compare to prepared statement
1197412026-01-22
7:00		2026-01-22
8:35		MySQL Server: OptimizerVerified
(215 days)		S18.0.44AnyAnyinternal_tmp_mem_storage_engine = MEMORY setting makes the DISTINCTROW returns incorrect result on 0 and -0
1197662026-01-23
19:18		2026-01-23
19:18		MySQL Server: Performance SchemaOpenS28.0.44AnyAnyRows unexpectedly added in performance_schema for failed connections
1197902026-01-27
10:14		2026-01-27
12:07		MySQL Server: OptimizerVerified
(210 days)		S18.0.44AnyAnyUnexpected result of expression IN NULL
1200112026-03-09
10:29		2026-03-09
11:16		MySQL Server: OptimizerVerified
(169 days)		S18.0.44AnyAnyThe normal query generated a non-optimal query plan with index.
1203042026-04-20
22:05		2026-05-06
4:55		MySQL Server: InnoDB storage engineDuplicate
(111 days)		S18.0.44CentOS (07)x86 (x86_64)MySQL 8.0.44 crashes with InnoDB assertion failure on replica when TRUNCATE TABLE is applied to a table whose tablespace
1205812026-05-31
9:02		2026-06-01
6:17		MySQL Server: OptimizerVerified
(85 days)		S28.0.44MacOSAnyunique index causes incorrect result for IN comparison with implicit type conversion
1206982026-06-16
3:17		2026-07-01
2:39		MySQL Server: InnoDB storage engineOpen
(55 days)		S18.0.44AnyAnyContribution by Tencent: Compressed pages' records may out of order when using change buffer
1206342026-06-09
4:07		2026-06-25
2:28		MySQL Server: InnoDB storage engineOpenS18.0.44 8.4.9AnyAnybuf_stat_per_index inc/dec is not paired: root page inc is never decremented, causing unbounded growth of ut_lock_free_h
1202782026-04-17
2:44		2026-05-12
2:31		MySQL Server: ReplicationOpen
(105 days)		S28.0.44 8.4.9AnyAnymts_event_coord_cmp() uses strcmp() for binlog filename comparison, causing incorrect ordering when binlog index exceeds
1210442026-07-31
10:50		2026-07-31
11:01		MySQL Server: InnoDB storage engineOpen
(25 days)		S18.0.44, 8.0.45, 8.4.7, 8.4.8Linux (Official mysql Docker image (Oracle Linux 9); also Azure Database for MySQL Flexible Server)ARM (aarch64 (local repro); production/test instances affected are x86_64)mysqld crashes (signal 11) building multi-valued index via ALTER TABLE on JSON column holding both empty and non-empty a
1197062026-01-16
10:46		2026-06-08
11:37		MySQL Server: OptimizerVerified
(78 days)		S28.0.44, 9.5.0AnyAnyIncorrect Results from ALL/ANY Subquery MIN/MAX Optimization with Type Mismatch
1194702025-11-27
14:30		2025-11-28
13:06		MySQL Server: OptimizerVerified
(270 days)		S18.0.44+AnyAnysql injection
1194872025-12-01
14:45		2026-02-05
19:41		MySQL Server: OptimizerVerified
(201 days)		S28.0.45Ubuntu (22.04)AnyJOIN, STRAIGHT_JOON Return Different Results
1197722026-01-25
11:30		2026-01-26
13:23		MySQL Server: DMLDuplicate
(212 days)		S28.0.45CentOSAny[8.0.45-debug] Lost connection to MySQL server during query
1198052026-01-29
3:21		2026-08-07
14:35		MySQL Server: DMLClosed
(42 days)		S28.0.45AnyAnycreate_tmp_field assert fail
1198212026-01-31
16:25		2026-02-01
12:58		MySQL Server: DMLNot a Bug
(205 days)		S28.0.45AnyAnyMySQL and TiDB return different results
1198222026-01-31
17:35		2026-01-31
22:04		MySQL Server: OptimizerVerified
(206 days)		S28.0.45AnyAnyMySQL and TiDB return different results
1199122026-02-15
4:33		2026-02-15
12:09		MySQL Server: OptimizerVerified
(191 days)		S28.0.45LinuxAnyJOIN query returns different results depending on index visibility
1199272026-02-20
10:28		2026-02-25
8:56		MySQL Server: OptimizerVerified
(181 days)		S28.0.45LinuxAnyInconsistent results between direct query and derived table with BIGINT column and FLOAT predicate (IN clause)
1199472026-02-26
9:19		2026-02-26
9:30		MySQL Server: ReplicationOpenS28.0.45AnyAnyordered_commit some transactions had flush errors, but committed successfully.resulting in master-slave inconsistency
1199582026-02-28
13:09		2026-03-02
13:02		MySQL Server: OptimizerVerified
(176 days)		S18.0.45AnyAnyEXISTS subquery result behaves inconsistently based on source table
1199722026-03-02
19:47		2026-03-03
9:47		MySQL Server: OptimizerVerified
(175 days)		S18.0.45AnyAnyIncorrect Result from IN Subquery with UNIQUE Index
1199732026-03-02
21:01		2026-03-03
8:45		MySQL Server: OptimizerVerified
(175 days)		S18.0.45AnyAnyInconsistent results depending on whether the column has a PRIMARY KEY index
1199912026-03-06
5:56		2026-03-06
11:27		MySQL Server: OptimizerVerified
(172 days)		S28.0.45Linuxx86Incorrect result with LEFT/RIGHT JOIN when comparing boolean expression with = 0 in presence of functional index
1199922026-03-06
6:23		2026-03-09
8:07		MySQL Server: OptimizerDuplicate
(169 days)		S28.0.45Linuxx86Incorrect result for LEFT/RIGHT JOIN when using IS TRUE / IS FALSE expressions on the right table with NULL padding.
1199952026-03-06
9:51		2026-06-16
11:31		MySQL Server: OptimizerClosed
(120 days)		S28.0.45AnyAnyFunction find_in_set return wrong result
1200102026-03-09
9:56		2026-04-03
10:55		MySQL Server: OptimizerDuplicate
(145 days)		S18.0.45AnyAnyIncorrect result set when evaluating IS NULL on a derived table containing logical AND expressions
1200152026-03-09
13:48		2026-04-02
6:16		MySQL Server: OptimizerDuplicate
(145 days)		S18.0.45AnyAnyIncorrect retention of NULL rows due to CASE evaluation error in WHERE clause.
1200512026-03-13
9:31		2026-03-13
21:16		MySQL Server: OptimizerVerified
(165 days)		S18.0.45Linux (ubuntu 20.04)AnyWrong result for derived-table rewrite of GROUP BY ... HAVING query
1200752026-03-16
14:26		2026-03-25
12:47		MySQL Server: OptimizerVerified
(160 days)		S18.0.45Linux (ubuntu 20.04)x86Silent Data Truncation of DOUBLE (DBL_MAX) in Subqueries/Temporary Tables
1200832026-03-17
8:59		2026-03-17
11:38		MySQL Server: OptimizerVerified
(161 days)		S28.0.45Linuxx86incorrect result when comparing floating constant in OUTER JOIN condition
1200872026-03-17
13:12		2026-03-18
4:58		MySQL Server: OptimizerVerified
(160 days)		S28.0.45Linuxx86Incorrect result with RIGHT JOIN and IS NULL predicate on partitioned indexed table
1200942026-03-18
8:29		2026-03-18
9:35		MySQL Server: OptimizerVerified
(160 days)		S18.0.45AnyAnyQuery returns incorrect results due to incorrect handling of predicate logic
1200972026-03-18
9:34		2026-03-18
9:48		MySQL Server: OptimizerVerified
(160 days)		S18.0.45AnyAnyIncorrect result set when use INTERSECT ALL
1200982026-03-18
9:58		2026-03-18
10:59		MySQL Server: OptimizerVerified
(160 days)		S18.0.45AnyAnyIncorrect result when using EXISTS with INTERSECT ALL and correlated subquery
1200992026-03-18
12:08		2026-03-19
8:04		MySQL Server: OptimizerVerified
(159 days)		S18.0.45AnyAnyQuery returns wrong result when condition involves CAST(division AS CHAR)
1201062026-03-19
7:49		2026-03-19
8:33		MySQL Server: OptimizerVerified
(159 days)		S18.0.45AnyAnyOptimizer incorrectly handles constant derived table in RIGHT JOIN
1201452026-03-25
6:05		2026-03-25
19:22		MySQL Server: OptimizerVerified
(153 days)		S28.0.45Linux (ubuntu 20.04)x86Incorrect empty result after relocating a HAVING predicate into a derived-table boolean column with WHERE ref1
1201582026-03-26
6:04		2026-03-29
19:37		MySQL Server: OptimizerVerified
(149 days)		S28.0.45Ubuntu (Ubuntu 20.04.4 LTS)x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))Incorrect result (NULL included) in index lookup/MAX() on FLOAT ZEROFILL column when filtering by 0.0
1202032026-04-02
2:35		2026-04-04
19:49		MySQL Server: OptimizerVerified
(143 days)		S28.0.45AnyAnyMySQL returns an incorrect result for an indexed comparison between an `INT` column and a non-integer function value.
1202632026-04-14
5:30		2026-04-14
10:56		MySQL Server: JSONVerified
(133 days)		S28.0.45AnyAnyInconsistent results for query with JSON_CONTAINS and CAST(... AS SIGNED)
1202692026-04-15
7:40		2026-06-08
9:29		MySQL Server: JSONVerified
(78 days)		S18.0.45AnyAnyWrong result in string comparison with JSON_UNQUOTE(JSON_EXTRACT(...))
1202702026-04-15
9:49		2026-04-16
21:20		MySQL Server: OptimizerVerified
(131 days)		S18.0.45AnyAnyIncorrect result for INTERSECT ALL with semantically equivalent EXCEPT operands when right EXCEPT left operand is wrap
1202722026-04-15
11:21		2026-04-22
9:30		MySQL Server: InnoDB storage engineVerified
(125 days)		S28.0.45AnyAnyddl stuck in Waiting for clone PAGE_COPY state
1202732026-04-15
15:39		2026-04-16
22:33		MySQL Server: Memory storage engineVerified
(131 days)		S28.0.45Ubuntu (22.04)x86Incorrect COUNT result when "SET SESSION internal_tmp_mem_storage_engine = MEMORY" is used
1202752026-04-16
7:10		2026-04-20
6:51		MySQL Server: OptimizerVerified
(127 days)		S28.0.45Ubuntu (Ubuntu 20.04.4 LTS)x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))DATE Index Lookup Loses Existing JOIN Matches Even with Explicit CAST(MEDIUMTEXT AS DATE), Causing S1/S2 Divergence
1202832026-04-17
13:00		2026-04-20
7:22		MySQL Server: OptimizerNot a Bug
(127 days)		S28.0.45Ubuntu (Ubuntu 20.04.4 LTS)x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))DATE Column Printed as NULL Still Satisfies `IS NOT NULL`,Allowing a Contradictory Predicate to Return Rows
1202842026-04-18
15:46		2026-04-20
7:33		MySQL Server: OptimizerVerified
(127 days)		S28.0.45Ubuntu (Ubuntu 20.04.4 LTS)x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))Materialized `IN (subquery)` Loses VARCHAR-to-YEAR Coercion,Causing Plan-Dependent Result Divergence
1202852026-04-18
15:49		2026-06-30
6:34		MySQL Server: OptimizerVerified
(56 days)		S28.0.45Ubuntu (Ubuntu 20.04.4 LTS)x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))Materialized Semijoin + Outer ORDER BY Loses Rows for Correlated EXISTS,Causing Plan-Dependent Result Divergence
1202862026-04-19
5:14		2026-04-20
7:53		MySQL Server: OptimizerVerified
(127 days)		S28.0.45AnyAny`SUM(DISTINCT pk)` returns `NULL` with a window function when a secondary index is used for group-by scanning
1202882026-04-19
14:29		2026-04-20
8:04		MySQL Server: OptimizerVerified
(127 days)		S28.0.45Linux (Observed on Linux via the `mysql:9.6` )AnyWindow function logic mismatch in indexed `NOT IN`
1202962026-04-20
7:50		2026-04-20
9:24		MySQL Server: OptimizerVerified
(127 days)		S28.0.45Ubuntu (Ubuntu 20.04.4 LTS)x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))Materialized Correlated EXISTS Loses Implicit VARCHAR-to-YEAR Coercion,Causing Plan-Dependent Result Divergence
1203002026-04-20
9:02		2026-04-20
11:03		MySQL Server: OptimizerVerified
(127 days)		S28.0.45Any (Observed on Linux via the `mysql:9.6` )AnyWindow function logic mismatch across engines
1205242026-05-22
9:40		2026-05-26
6:27		MySQL Server: OptimizerVerified
(91 days)		S28.0.45Ubuntu (Ubuntu 20.04.4 LTS)x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))Materialized Correlated EXISTS Returns Positive COUNT(*) But No Rows for Implicit VARCHAR-to-YEAR Comparison
1205252026-05-22
9:41		2026-08-04
6:38		MySQL Server: OptimizerVerified
(91 days)		S28.0.45Ubuntu (Ubuntu 20.04.4 LTS)x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache))Append-Only Growth Breaks Subset Monotonicity for Implicit VARCHAR-to-DECIMAL IN-Subquery Comparison
1205312026-05-23
12:33		2026-05-26
7:24		MySQL Server: OptimizerVerified
(91 days)		S28.0.45Ubuntux86A NULL comparison inside an IN subquery becomes spuriously true in the original path
1205332026-05-23
12:35		2026-05-26
8:30		MySQL Server: OptimizerVerified
(91 days)		S28.0.45Ubuntux86A LEFT JOIN over DECIMAL ZEROFILL UNIQUE wrongly loses an obvious match
1205552026-05-27
8:22		2026-05-27
11:39		MySQL Server: OptimizerVerified
(90 days)		S28.0.45UbuntuAnyEquivalent VIEW and CTE queries return different row counts with EXISTS, BINARY ENUM comparison, and LEFT JOIN
1205842026-06-01
5:18		2026-06-01
7:16		MySQL Server: OptimizerVerified
(85 days)		S28.0.45AnyAnyOptimizer picks BIGINT gen col index for DECIMAL expression, BIGINT truncation falsely matches fractional values
1207162026-06-17
12:31		2026-06-17
12:53		MySQL Server: OptimizerVerified
(69 days)		S18.0.45Any (Storage Engine: MEMORY)AnyMEMORY Engine Empty Outer Join Derived Table Causes Incorrect Aggregate Result (Should Be NULL)
1207342026-06-20
14:02		2026-06-22
9:59		MySQL Server: OptimizerVerified
(64 days)		S18.0.45AnyAnyConstant Table Optimization Ignores WHERE Condition for MAX(DISTINCT), Returning Incorrect Non-NULL Value
1207372026-06-22
8:28		2026-06-22
10:31		MySQL Server: OptimizerVerified
(64 days)		S18.0.45AnyAnyInconsistent CAST Handling of Out-of-Range TEXT Values in Single Table vs. View/Join Paths
1198252026-02-01
12:02		2026-02-02
3:51		MySQL Server: OptimizerVerified
(204 days)		S28.0.45, 8.4.8, 9.6AnyAnyInconsistent results between INNER JOIN and STRAIGHT_JOIN when comparing DOUBLE constant with INT UNIQUE column
1199382026-02-25
7:36		2026-03-04
3:50		MySQL Server: PartitionsVerified
(174 days)		S28.0.45, 8.4.8, 9.6.0AnyAnyselect partition table with virtual column return wong result
1203562026-04-27
14:52		2026-04-27
17:21		MySQL Server: DDLDuplicate
(120 days)		S28.0.46Linux (Debian 12)x86ERROR 1118 Row size too large (> 8126) on 8.0.46
1203702026-04-28
16:33		2026-06-23
3:32		MySQL Server: DDLDuplicate
(63 days)		S28.0.46AnyAnyRegression (from 8.0.45) on Row size too large
1204562026-05-12
15:02		2026-05-17
23:00		MySQL Server: OptimizerVerified
(100 days)		S28.0.46LinuxAnySemijoin Nested Loop index lookup uses raw VARCHAR keys against a DOUBLE B-tree, causing mismatches when the string over
1204752026-05-14
9:09		2026-05-18
10:20		MySQL Server: OptimizerVerified
(99 days)		S28.0.46LinuxAnyIndex Merge Intersection incorrectly drops matching rows in SELECT with OR predicate, returning wrong result count
1204912026-05-18
5:53		2026-05-18
12:22		MySQL Server: OptimizerVerified
(99 days)		S28.0.46CentOSAnySemijoin returns wrong results for VARCHAR-to-DECIMAL comparison with non-canonical numeric strings
1206392026-06-09
10:08		2026-06-09
10:52		MySQL Server: OptimizerVerified
(77 days)		S18.0.46Any (Storage Engine: InnoDB)AnyCOUNT(*) on an indexed integer column produces incorrect results when the WHERE clause uses NOT (IFNULL(non-integer cons
1208142026-06-30
2:27		2026-06-30
10:28		MySQL Server: OptimizerDuplicate
(56 days)		S28.0.46AnyAnyWrong result with indexed INT comparison to fractional DECIMAL/function expression
1208332026-07-02
10:32		2026-07-21
16:27		MySQL Server: OptimizerVerified
(53 days)		S18.0.46, 8.4.10, 9.7.1AnyAnyIndex Lookup Truncates DOUBLE to BIGINT for IF(NULL, …) and GREATEST(string, double) in IN Conditions
1208342026-07-02
10:38		2026-07-21
16:25		MySQL Server: OptimizerVerified
(54 days)		S18.0.46, 8.4.10, 9.7.1AnyAnyAVG on Large DOUBLE Values Returns Inconsistent Results Across Execution Paths (Index Scan vs. Temporary Table)
1208672026-07-04
10:14		2026-07-21
15:50		MySQL Server: OptimizerVerified
(50 days)		S18.0.46, 8.4.10, 9.7.1AnyAnyConst Table Optimization Incorrectly Evaluates FLOAT Comparison with Extreme DOUBLE Constant Due to Overflow
1208992026-07-13
7:34		2026-08-03
13:59		MySQL Server: OptimizerVerified
(22 days)		S28.0.46, 8.4.10, 9.7.1AnyAnyAn equivalent query becomes much slower after a redundant duplicated IN-subquery predicate is added
1209002026-07-13
8:03		2026-08-06
14:48		MySQL Server: OptimizerPatch pending
(22 days)		S28.0.46, 8.4.10, 9.7.1AnyAnyRedundant OR FALSE Predicate Causes a Much Slower Plan
1209032026-07-13
9:57		2026-07-21
15:45		MySQL Server: OptimizerVerified
(42 days)		S18.0.46, 8.4.10, 9.7.1AnyAnyWITH ROLLUP in Derived Table Incorrectly Evaluates IFNULL Expression Due to Partial NULL Propagation
1209072026-07-13
10:36		2026-07-21
15:19		MySQL Server: OptimizerVerified
(42 days)		S18.0.46, 8.4.10, 9.7.1AnyAnyIndex Lookup Loses Unary Plus Operator During Condition Pushdown, Causing String-to-Integer Truncation and Wrong Match
1209092026-07-13
11:05		2026-07-21
15:16		MySQL Server: OptimizerVerified
(42 days)		S18.0.46, 8.4.10, 9.7.1AnyAnyROLLUP Incorrectly Sets Base Group Row to NULL for Constant Folded Expression
1209352026-07-15
10:45		2026-07-22
14:06		MySQL Server: OptimizerVerified
(34 days)		S28.0.46, 8.4.10, 9.7.1AnyAnyDuplicate equivalent EXISTS predicate is not eliminated and causes a much slower execution plan
1209562026-07-19
12:30		2026-07-22
14:02		MySQL Server: OptimizerVerified
(34 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyMySQL does not normalize duplicated OR predicates, causing a ~158x execution-time difference for equivalent WHERE clause
1209662026-07-21
5:58		2026-07-22
8:41		MySQL Server: OptimizerVerified
(34 days)		S18.0.46, 8.4.10, 9.7.1AnyAnyLEAST Expression Incorrectly Evaluated as Integer for Index Lookup in IN Condition
1209712026-07-21
9:01		2026-08-20
5:52		MySQL Server: OptimizerVerified
(34 days)		S28.0.46, 8.4.10, 9.7.1AnyAnyRedundant IS NOT NULL on SHA2() expression causes extra evaluation and slower execution
1209722026-07-21
13:42		2026-07-22
12:09		MySQL Server: OptimizerVerified
(34 days)		S28.0.46, 8.4.10, 9.7.1AnyAnyRedundant outer DISTINCT creates a second temporary-table deduplication above EXCEPT in MySQL
1209752026-07-22
4:42		2026-07-22
9:05		MySQL Server: OptimizerVerified
(34 days)		S18.0.46, 8.4.10, 9.7.1AnyAnyMixed-Type IFNULL Constant Causes Wrong Integer Conversion in Index Lookup
1209842026-07-23
10:19		2026-07-30
6:55		MySQL Server: OptimizerVerified
(26 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyInconsistent type metadata and display for COALESCE() on a BIT column before and after CREATE TABLE AS SELECT
1209862026-07-23
12:12		2026-08-21
7:53		MySQL Server: OptimizerNot a Bug
(4 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyInconsistent comparison result between JSON scalar and dynamic comparison expression vs CTAS materialized boolean/intege
1209872026-07-23
12:16		2026-08-06
7:44		MySQL Server: OptimizerVerified
(19 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyInconsistent boolean evaluation of LEAST(TIME, VARCHAR) between dynamic calculation and CTAS materialized column
1209882026-07-23
12:31		2026-08-03
6:40		MySQL Server: OptimizerVerified
(22 days)		S28.0.46, 8.4.10, 9.7.1AnyAnyRedundant DISTINCT in UNION, INTERSECT and EXCEPT branches is not eliminated
1209902026-07-23
12:50		2026-08-03
6:49		MySQL Server: OptimizerVerified
(22 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyInconsistent boolean evaluation between MAX(ENUM) aggregate expression and CTAS materialized ENUM column
1209912026-07-23
12:59		2026-08-03
6:50		MySQL Server: OptimizerVerified
(22 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyInconsistent comparison behavior between integer and ADDDATE(DATETIME, 0) expression vs CTAS materialized column
1209922026-07-23
13:06		2026-08-03
6:53		MySQL Server: OptimizerVerified
(22 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyInconsistent comparison behavior between CHARSET() string expression vs CTAS materialized column against hex literal (0x
1209942026-07-23
14:09		2026-08-03
8:57		MySQL Server: OptimizerVerified
(22 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyInconsistent JOIN result when comparing TEXT and DECIMAL columns with and without UNIQUE index
1209972026-07-23
15:31		2026-08-25
7:29		MySQL Server: OptimizerVerified
(19 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyIncorrect index lookup range pushdown/coercion for IN (COALESCE(decimal, string)) on integer indexed column violates TLP
1209982026-07-23
15:39		2026-08-03
10:55		MySQL Server: OptimizerVerified
(22 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyInconsistent evaluation of NOT ((CASE WHEN ... LIKE a) OR a) on SMALLINT ZEROFILL UNIQUE column causes duplicate rows
1210012026-07-23
16:12		2026-07-28
13:13		MySQL Server: OptimizerVerified
(28 days)		S28.0.46, 8.4.10, 9.7.1UbuntuAnyIncorrect evaluation of NOT (A AND NOT A AND (A IS NOT NULL)) drops NULL rows due to invalid ternary logic simplificatio
1210062026-07-24
8:32		2026-07-28
13:19		MySQL Server: OptimizerDuplicate
(28 days)		S28.0.46, 8.4.10, 9.7.1AnyAnyEmpty INTERSECT branch does not prevent scanning the other input
1210192026-07-28
6:04		2026-08-10
5:53		MySQL Server: OptimizerVerified
(15 days)		S28.0.46, 8.4.10, 9.7.1MacOSARMsubquery_to_derived + semijoin=off produces wrong WHERE-clause EXISTS results with LIMIT (dual boundary interaction, sil
1210402026-07-30
9:06		2026-08-03
8:00		MySQL Server: OptimizerVerified
(22 days)		S28.0.46, 8.4.10, 9.7.1MacOSARMderived condition pushdown across a set operation ignores collation equality, breaking predicate monotonicity (default)
1210912026-08-13
14:00		2026-08-14
11:08		MySQL Server: OptimizerVerified
(11 days)		S28.0.46, 8.4.11, 9.7.2AnyAnyWrapping a SET column in VIEW/CTE changes `HAVING MAX(set_col) > numeric_literal` semantics
1211412026-08-20
1:50		2026-08-20
5:26		MySQL Server: OptimizerVerified
(5 days)		S18.0.46, 8.4.11, 9.7.2AnyAnygroup skip scan for deduplication collapses each group to one row before a semijoin/antijoin condition on a later index
1202062026-04-02
19:48		2026-08-22
14:48		MySQL Server: PartitionsDocumenting
(61 days)		S28.0.46, 8.4.9, 9.6.0AnyAnyEXCHANGE PARTITION bypasses CHECK CONSTRAINT validation
1204032026-05-05
13:47		2026-08-12
18:33		MySQL Server: OptimizerClosed
(13 days)		S28.0.46, 8.4.9, 9.7.0AnyAnyRegression in MySQL 8.0.46, 8.4.9 & 9.7.0: WHERE equality condition fails to match existing row
1206022026-06-02
11:44		2026-06-03
8:05		MySQL Server: InnoDB storage engineVerified
(83 days)		S28.0.46, 8.4.9, 9.7.0AnyAnyMemory leak in fil_ibd_same_as_default_path()
1211022026-08-17
1:29		2026-08-21
14:11		MySQL Server: InnoDB storage engineVerified
(4 days)		S28.0.46,8.4.11,9.7.2, 26.10.0AnyAnyINPLACE rebuild may corrupt long-prefix secondary indexes
1189412025-09-05
8:19		2025-09-10
14:45		MySQL Server: OptimizerVerified
(349 days)		S28.0.x, 8.4.xAnyAnyBug Report: DECIMAL(22,2) Column Comparison with -0.001 Excludes 0.00 Row
1190042025-09-12
16:07		2026-01-13
1:00		MySQL Server: Group ReplicationNo Feedback
(225 days)		S28.0+AnyAnyUNREACHABLE member is not expelled after the group_replication_member_expel_timeout delay
1189552025-09-08
9:35		2025-09-09
23:51		MySQL Server: Connection HandlingNot a Bug
(350 days)		S18.043MacOS (15.6)x86 (15.6)Qt应用程序无法通过ODBC驱动程序从MySQL检索数据，而插入和删除操作工作正常
1191402025-10-13
8:01		2026-01-06
14:56		MySQL Server: OptimizerVerified
(231 days)		S18.4AnyAnyDISTINCT works inconsistently in normal SELECT and prepared statement for 0 and -0
1195212025-12-08
3:23		2025-12-10
6:47		MySQL Server: InnoDB storage engineOpenS28.4AnyAnyFalse positive deadlock detected involving SELECT FOR SHARE / LOCK IN SHARE MODE
1197702026-01-24
19:09		2026-01-27
10:03		MySQL Server: OptimizerDuplicate
(210 days)		S28.4AnyAnyMySQL 8.4 optimizer uses full table scan for IN (...) on prefix index, but works in 8.0
1198002026-01-28
8:53		2026-01-28
11:54		MySQL Server: CompilingOpen
(209 days)		S18.4AnyAnyAn error occurred in ssl.cmake reading version information from opensslv.h, causing HAVE_TLSv13 to fail to compile.
1203262026-04-22
19:32		2026-04-23
6:32		MySQL Server: Data DictionaryVerified
(124 days)		S28.4AnyAnyUpgrade fails on partitioned tables due to stale THD error from stored procedure compilation
1207572026-06-24
6:04		2026-08-17
8:48		MySQL Server: ReplicationDocumenting
(40 days)		S28.4AnyAny"Start Transaction" modifier in the binary log cannot be replayed on an instance that does not have binary logs enabled.
1191522025-10-14
12:01		2025-10-14
12:01		MySQL Server: InnoDB storage engineOpenS28.4, 8.0.22AnyAny​​Anomalous transaction snapshot version behavior under the RR isolation level.​
1189232025-09-02
7:49		2025-09-04
11:46		MySQL Server: InnoDB storage engineVerified
(356 days)		S28.4, 8.0.22, 9.4.0AnyAnyAbnormal read phenomena are observed under MySQL's Read Committed isolation level
1210652026-08-07
9:16		2026-08-11
12:42		MySQL Server: InnoDB storage engineOpenS18.4.10, 8.0.45, 5.7.39Linuxx86mysqld crashes with signal 11 while OPTIMIZE and concurrent DML on the same table
1211442026-08-20
11:08		2026-08-20
11:20		MySQL Server: Performance SchemaOpen
(5 days)		S28.4.4 (Any)AnyAnyPerformance Schema reports ROWS_EXAMINED inside stored programs wrongly as a running total
1191172025-10-09
4:15		2025-12-16
9:22		MySQL Server: OptimizerDuplicate
(252 days)		S28.4.6WindowsOther (x64)INNER JOIN returns results when join condition evaluates to false
1191212025-10-09
11:06		2025-12-16
9:26		MySQL Server: OptimizerDuplicate
(252 days)		S28.4.6WindowsOther (x64)STRAIGHT_JOIN returns fewer rows than expected when ON condition is true for multiple rows
1191272025-10-10
11:58		2025-12-17
8:20		MySQL Server: OptimizerVerified
(251 days)		S28.4.6AnyAnyINNER JOIN and INTERSECT of LEFT/RIGHT JOINs return different results when unique index is present
1191442025-10-13
12:49		2026-01-06
12:48		MySQL Server: OptimizerVerified
(231 days)		S28.4.6WindowsAny (x64)INNER JOIN and STRAIGHT_JOIN return different results with identical ABS function conditions
1191542025-10-14
13:24		2026-01-13
10:22		MySQL Server: Data TypesVerified
(224 days)		S18.4.6AnyAnyIncorrect BIT_COUNT value for TEXT column
1191982025-10-20
19:44		2026-08-13
16:21		MySQL Server: OptimizerClosed
(12 days)		S28.4.6AnyAnyOptimizer with reverse index range scan gives incorrect query result
1192202025-10-23
14:55		2025-11-07
9:22		MySQL Server: OptimizerVerified
(291 days)		S28.4.6Anyx86Subquery materialization in LEFT JOIN ON clause loses WHERE conditions
1192732025-10-30
14:14		2026-01-15
10:29		MySQL Server: InnoDB storage engineOpen
(299 days)		S28.4.6Red Hat (5.14.0-570.25.1.el9_6.x86_64)x86disk-based Temptable gives "Table './tmp/#sql2730_2b2_4' doesn't exist"
1194332025-11-20
9:30		2025-12-07
21:58		MySQL Server: Data TypesVerified
(261 days)		S18.4.6AnyAnyInconsistent date conversion behaviors between text and integer
1195532025-12-15
14:00		2025-12-15
14:00		MySQL Server: Federated storage engineOpenS28.4.6Linuxx86Mutex deadlock between THR_LOCK_servers and federated_mutex
1202742026-04-16
5:53		2026-05-12
6:59		MySQL Server: Connection HandlingOpenS28.4.6Red Hat (Rocky Linux 8.8)x86 (4.18.0-477.27.1.el8_8.x86_64)Specific account authentication permanently fails with "Public Key Retrieval is not allowed" after FLUSH PRIVILEGES
1194712025-11-27
17:03		2026-05-06
17:03		MySQL Server: Connection HandlingOpen
(111 days)		S28.4.7Ubuntu (25.10 questing)x86 (64 bits)"Bad handshake" during each connection to a replication source server
1194912025-12-02
8:21		2025-12-08
21:10		MySQL Server: OptimizerVerified
(260 days)		S18.4.7AnyAnyIncorrect results for make_set operation against longtext column
1195302025-12-09
12:38		2025-12-11
9:31		MySQL Server: OptimizerVerified
(257 days)		S18.4.7AnyAnyIncorrect results for NULLIF functions
1195862025-12-23
9:09		2025-12-26
16:50		MySQL Server: Data TypesVerified
(242 days)		S18.4.7AnyAnyInconsistent results for date conversion
1200052026-03-08
0:14		2026-03-10
8:04		MySQL Server: OptimizerVerified
(168 days)		S28.4.7AnyAnyWrong results with subquery with semijoin=on and antijoin optimization
1194982025-12-03
9:07		2026-01-09
1:00		MySQL Server: OptimizerNo Feedback
(229 days)		S18.4.7-TLSAnyAnyThe different sorting results are caused by the range query.
1202552026-04-13
11:24		2026-04-13
13:04		MySQL Server: OptimizerVerified
(134 days)		S28.4.8AnyAnyCREATE VIEW materialization changes grouped results when replacing a grouped CTE or derived input
1202562026-04-13
11:44		2026-04-13
12:48		MySQL Server: OptimizerVerified
(134 days)		S28.4.8AnyAnyCREATE VIEW materialization turns zero datetime values into runtime timestamps in UNION ALL output
1202582026-04-14
2:07		2026-04-14
4:45		MySQL Server: OptimizerVerified
(133 days)		S28.4.8AnyAnyCREATE VIEW materialization changes NULL aggregate outputs into numeric values after GROUP BY
1202592026-04-14
2:43		2026-04-14
4:49		MySQL Server: OptimizerVerified
(133 days)		S28.4.8AnyAnyCREATE VIEW materialization changes byte-valued UNION results
1202602026-04-14
2:48		2026-06-01
12:28		MySQL Server: OptimizerDuplicate
(85 days)		S28.4.8AnyAnyCREATE VIEW materialization changes byte-valued outputs after aggregate or window processing
1202612026-04-14
2:52		2026-06-01
9:09		MySQL Server: OptimizerDuplicate
(85 days)		S28.4.8AnyAnyCREATE VIEW materialization changes a key scalar output
1202622026-04-14
2:54		2026-04-16
20:55		MySQL Server: OptimizerNot a Bug
(131 days)		S28.4.8AnyAnyCREATE VIEW materialization changes INTERSECT result cardinality for an aggregate branch
1205432026-05-25
9:57		2026-05-27
5:37		MySQL Server: OptimizerVerified
(90 days)		S28.4.8AnyAnyMySQL `MERGE` vs `TEMPTABLE` view evaluation changes `MAX(SET)` result
1206652026-06-12
10:19		2026-08-03
12:11		MySQL Server: OptimizerDuplicate
(22 days)		S28.4.8AnyAnyNon optimal query plan chosen for DML
1207742026-06-25
12:16		2026-06-25
12:16		MySQL Server: ReplicationOpenS28.4.8LinuxAnyreplication worker thread dealock
1197432026-01-22
9:16		2026-01-22
9:20		MySQL Server: PackagingOpen
(215 days)		S28.4.8,9.6.0Fedora (43)x86Removing mysql-community-server causes issues
1203232026-04-22
12:51		2026-08-05
15:56		MySQL Server: DDLClosed
(20 days)		S18.4.9Debian (12)x86Regression : "Row size too large (> 8126)" error with table using InnoDb DYNAMIC row format
1204822026-05-15
10:46		2026-05-24
15:09		MySQL Server: Data DictionaryOpen
(98 days)		S28.4.9Linux (Red Hat Enterprise Linux 9.6 (Plow )x86Upgrade from 8.0.35 to 8.0.45 or 8.4.9 failed due [ERROR] [MY-013135] and [Warning] [MY-014078]
1204882026-05-17
11:04		2026-05-18
7:14		MySQL Server: Group ReplicationOpenS28.4.9Linux (rocky linux 9.7)x86 (9.7)MySQL 8.4 Group Replication memory pools not released to OS srv_worker_thread 44,772x total/current ratio; xcom_cache ho
1210792026-08-12
12:49		2026-08-12
17:31		MySQL Server: OptimizerVerified
(13 days)		S28.4.9LinuxAnyWrong result: quantified comparison subquery (>= ALL etc.) evaluates FALSE under double negation
1196542026-01-09
10:01		2026-01-09
10:01		MySQL Server: InnoDB storage engineOpenS28.xLinuxAnyassert fail at mach_write_to_2 with a value larger than 0xFFFF.
1208322026-07-02
10:02		2026-07-20
11:08		MySQL Server: OptimizerVerified
(54 days)		S19.1AnyAnyWITH ROLLUP Super‑Aggregate Row Missing in Zero Input Rows Short‑Circuit Path
1209052026-07-13
10:06		2026-07-20
11:02		MySQL Server: OptimizerVerified
(42 days)		S19.1AnyAnyCASE Expression with Mixed FLOAT/INT Constant Returns Different Results in Single Table vs. Derived Table Due to Type In
1209082026-07-13
10:50		2026-07-20
11:16		MySQL Server: OptimizerVerified
(42 days)		S19.1AnyAnyDISTINCTROW with GROUP BY in Derived Table Loses Rows Due to Incomplete Duplicate Removal Key
1189492025-09-05
13:57		2025-09-10
0:42		MySQL Server: OptimizerVerified
(351 days)		S29.2.0Linux (ubuntu 20.04)AnyMySQL 9.2.0: Complex CASE in JOIN makes INNER vs INTERSECT yield different rows
1190322025-09-18
7:52		2025-09-23
0:51		MySQL Server: OptimizerVerified
(337 days)		S29.2.0AnyAnyInconsistency with MySQL 8.0.36 in MySQL 9.2.0: Equivalent INTERSECT query does not match INNER JOIN result and returns
1190592025-09-23
3:44		2025-09-25
16:07		MySQL Server: OptimizerVerified
(336 days)		S29.2.0, 9.4.0AnyAnyInconsistent result behavior when using EXCEPT equivalent NATRUAL JOIN
1209762026-07-22
4:45		2026-07-22
9:34		MySQL Server: OptimizerVerified
(34 days)		S19.3AnyAnyLATERAL Derived Table Causes IFNULL to Ignore Inner Table Column, Returning NULL for All Rows
1192902025-11-02
15:06		2025-11-07
7:43		MySQL Server: InnoDB storage engineOpen
(291 days)		S29.3.0, 9.5.0AnyAnySELECT statement is affected by concurrent transaction under Read Uncommitted
1189822025-09-10
6:55		2025-09-26
12:01		MySQL Server: OptimizerNot a Bug
(333 days)		S19.4.0LinuxAnyUnexpected result of IN operator
1190222025-09-17
12:40		2025-09-23
0:51		MySQL Server: OptimizerVerified
(337 days)		S29.4.0AnyAnycolumn value change cased by Union ALL
1190482025-09-21
12:57		2025-09-23
1:27		MySQL Server: Prepared statementsVerified
(337 days)		S29.4.0AnyAnyinconsistent result of two equivalent query with operator ~
1190582025-09-23
0:57		2025-09-25
16:08		MySQL Server: Prepared statementsVerified
(336 days)		S19.4.0AnyAny`\` is inconsistent in prepared statement and normal query
1191102025-10-07
5:19		2026-04-02
9:45		MySQL Server: OptimizerDuplicate
(145 days)		S29.4.0Linuxx86Incorrect NULL filtering in CTE with UNION ALL over view containing LEFT JOIN on FALSE
1191392025-10-13
7:30		2025-12-18
8:56		MySQL Server: OptimizerVerified
(250 days)		S19.4.0AnyAnyUnexpected error `Incorrect DECIMAL value: '0' for column '' at row -1`
1191592025-10-15
9:23		2025-10-15
9:23		MySQL Server: InnoDB storage engineOpenS29.4.0AnyAnySome data is not rolled back successfully
1191872025-10-18
4:41		2026-04-02
9:30		MySQL Server: OptimizerDuplicate
(145 days)		S29.4.0Linuxx86CTE with correlated EXISTS subquery causes incorrect NULL handling in WHERE clause with IS NULL predicate
1193862025-11-13
11:44		2026-01-15
12:35		MySQL Server: OptimizerVerified
(222 days)		S19.4.0AnyAnyunexpected error "Can't write; duplicate key in table '/tmp/#sql1_372_1'"
1194542025-11-24
16:04		2025-11-27
5:11		MySQL Server: OptimizerVerified
(271 days)		S29.4.0AnyAnyHash join has wrong result when the join equality involves FLOAT or DECIMAL column
1196672026-01-13
11:42		2026-07-31
11:52		MySQL Server: InnoDB storage engineClosed
(25 days)		S29.4.0Ubuntu (22.04)x86 (x86_64)Assertion failure ddl0buffer.cc:197 with innodb-ddl-threads=4 + O_DIRECT
1197692026-01-24
14:46		2026-03-09
10:48		MySQL Server: InnoDB storage engineOpen
(170 days)		S29.4.0AnyAnyThe transaction reads the value inserted by the blocked statement
1201992026-04-01
8:00		2026-06-19
12:42		MySQL Server: InnoDB storage engineOpen
(67 days)		S29.4.0AnyAnyTwo transactions simultaneously acquire the same exclusive lock
1202042026-04-02
7:52		2026-04-02
7:52		MySQL Server: InnoDB storage engineOpenS29.4.0AnyAnyUPDATE statements fail to update rows or acquire locks after being released
1206842026-06-15
3:22		2026-06-15
3:28		MySQL Server: InnoDB storage engineOpen
(71 days)		S29.4.0AnyAnyInconsistent deadlock of UPDATE and SELECT FOR UPDATE with the same WHERE clause
1194882025-12-01
14:52		2025-12-02
4:37		MySQL Server: OptimizerVerified
(266 days)		S29.4.0, 9.5.0Ubuntu (22.04)AnyNTERSECT Bug: NULL-Handling Inconsistency Returns Non-Intersecting Row from Outer Joins with NULL Comparisons
1192802025-10-31
11:55		2026-06-20
21:50		MySQL Server: InnoDB storage engineOpen
(88 days)		S29.5.0AnyAnyINSTANT ADD succeeds even when the size of a row crosses row_size_limit
1193252025-11-07
7:33		2025-11-07
7:33		MySQL Server: InnoDB storage engineOpenS29.5.0AnyAnySELECT does not create a snapshot when the WHERE condition evaluates to false
1194632025-11-26
6:23		2026-02-05
20:07		MySQL Server: CharsetsVerified
(201 days)		S29.5.0AnyAnysome charactor may be truncated use utf8mb4_general_ci collation_connection
1195202025-12-06
17:55		2025-12-08
3:51		MySQL Server: OptimizerVerified
(260 days)		S29.5.0Ubuntu (22.04)AnyInconsistent NULL and Negative Zero Handling in EXISTS Subquery with HAVING Clause
1195902025-12-24
6:41		2025-12-26
6:22		MySQL Server: OptimizerVerified
(242 days)		S19.5.0AnyAnyEXCEPT (SELECT NULL) returns incorrect result (missing row) on DECIMAL primary key column
1195942025-12-24
14:03		2025-12-26
6:21		MySQL Server: OptimizerVerified
(242 days)		S19.5.0AnyAnyINTERSECT (SELECT NULL) incorrectly returns non-NULL rows when column is PRIMARY KEY
1196502026-01-09
2:04		2026-04-22
20:58		MySQL Server: OptimizerClosed
(125 days)		S19.5.0AnyAnyIN operator returns unexpected result when one of values in the list is NULL
1196522026-01-09
5:20		2026-01-09
8:45		MySQL Server: OptimizerNot a Bug
(228 days)		S29.5.0WindowsAnyInconsistent behavior: Query throws "Incorrect arguments" vs returns Empty Set depending on execution plan
1197932026-01-27
10:32		2026-02-04
16:32		MySQL Server: Prepared statementsVerified
(202 days)		S19.5.0AnyAnyIncorrect result of prepared SELECT when running with JDBC
1199092026-02-12
21:31		2026-07-08
12:22		MySQL Server: OptimizerVerified
(48 days)		S29.5.0AnyAnyWrong result due to unsafe Item_max optimization triggering on homogeneous subqueries but not heterogeneous ones
1199492026-02-26
14:21		2026-03-03
9:28		MySQL Server: InnoDB storage engineOpen
(175 days)		S29.5.0AnyAnyDELETE statement fails to delete the row after blocking is resumed
1200452026-03-13
2:54		2026-03-30
13:41		MySQL Server: OptimizerDuplicate
(148 days)		S19.5.0AnyAnyINTERSECT Returns Inconsistent Results Based on optimizer_switch and WHERE Clause
1200532026-03-13
10:58		2026-03-13
15:09		MySQL Server: OptimizerDuplicate
(165 days)		S19.5.0AnyAnyEXCEPT Returns Different Results Based on Composite Primary Key, WHERE Conditions, BNL Optimization
1201212026-03-20
4:51		2026-03-20
9:41		MySQL Server: OptimizerDuplicate
(158 days)		S19.5.0AnyAnyPhantom Drift: Wrong Result in INTERSECT with NULL caused by Prefix Primary Key and Cartesian Join
1208212026-07-01
8:16		2026-07-08
11:11		MySQL Server: OptimizerVerified
(48 days)		S29.5.0AnyAnySELECT DISTINCT makes an equivalent query ~170x faster on round90.t1 in MySQL 9.5.0
1209152026-07-14
7:17		2026-07-14
10:23		MySQL Server: OptimizerNot a Bug
(42 days)		S29.5.0AnyAnyAdding Redundant OR FALSE Lets Optimizer Detect Impossible WHERE
1194852025-12-01
14:10		2025-12-02
5:32		MySQL Server: OptimizerVerified
(266 days)		S29.5.0,8.0.41AnyAnyWrong result with left joins
1194992025-12-03
15:20		2026-08-13
17:43		MySQL Server: OptimizerClosed
(12 days)		S29.5.0,8.0.41AnyAnyItem_view_ref::used_tables() is wrong, leads to wrong query result
1199962026-03-06
11:07		2026-07-14
11:42		MySQL Server: DDLClosed
(42 days)		S29.6AnyAnyRow delete from a table with selfreferental FK breaks replication
1202892026-04-19
14:35		2026-04-20
8:13		MySQL Server: OptimizerVerified
(127 days)		S29.6Linux (Observed on Linux via the `mysql:9.6` )AnyMismatch in indexed `IN` under windows function query
1202992026-04-20
9:00		2026-04-20
10:41		MySQL Server: OptimizerVerified
(127 days)		S29.6Linux (Observed on Linux via the `mysql:9.6` )Anymismatch in `DELETE ... EXISTS` under window function query
1203072026-04-21
14:02		2026-04-22
4:23		MySQL Server: OptimizerVerified
(125 days)		S29.6Linux (Observed on Linux via the `mysql:9.6` )AnyWrong result for `<= ANY (subquery)` in a window-function query
1203082026-04-21
14:03		2026-04-22
4:27		MySQL Server: OptimizerVerified
(125 days)		S29.6Linux (Observed on Linux via the `mysql:9.6` )AnyWrong result for string-vs-`BIT` comparison in a window-function query
1203102026-04-21
16:45		2026-04-22
4:34		MySQL Server: OptimizerVerified
(125 days)		S29.6Linux (Observed on Linux via the `mysql:9.6` )AnyWrong result for MAX(BIT(8)) UNION ALL BLOB after view extraction in a window-function workload
1203112026-04-21
16:52		2026-04-22
4:38		MySQL Server: OptimizerVerified
(125 days)		S29.6Linux (Observed on Linux via the `mysql:9.6` )AnyWrong result for grouped SUM(DISTINCT ...) with DENSE_RANK() after view extraction
1203122026-04-21
16:58		2026-04-22
4:40		MySQL Server: OptimizerVerified
(125 days)		S29.6Linux (Observed on Linux via the `mysql:9.6` )AnyWrong result for MIN(TIME) UNION ALL DATE after view extraction
1203132026-04-21
17:11		2026-04-22
4:43		MySQL Server: OptimizerVerified
(125 days)		S19.6Linux (Observed on Linux via the `mysql:9.6` )AnyWrong result when only GROUP BY key order is changed in a join query with nested window-function input
1208032026-06-28
13:20		2026-06-29
2:51		MySQL Server: OptimizerVerified
(57 days)		S19.6AnyAnyCTE Materialization Causes LEAST to Degenerate from String Comparison to Numeric Comparison
1203442026-04-26
6:43		2026-04-27
4:04		MySQL Server: OptimizerVerified
(120 days)		S29.6.0AnyAnyVIEW and equivalent CTE return different results with UNION, YEAR(0), and repeated reference in subquery
1203502026-04-27
8:35		2026-04-28
4:31		MySQL Server: OptimizerVerified
(119 days)		S29.6.0LinuxAnyPrefix index on TEXT column causes range scan to miss qualifying rows in MySQL
1203522026-04-27
9:34		2026-04-28
4:26		MySQL Server: OptimizerVerified
(119 days)		S29.6.0LinuxAnyPrefix index with length 1 causes incorrect "Zero rows" optimization with float overflow literal in range condition
1204762026-05-14
11:53		2026-05-18
8:25		MySQL Server: OptimizerVerified
(99 days)		S29.6.0LinuxAnyIndex Merge Union returns duplicate row for overlapping OR conditions, producing wrong result count
1204992026-05-20
5:02		2026-05-20
5:02		MySQL Server: Stored RoutinesOpenS29.6.0Linuxx86 (AMD EPYC 9K65)Recursive stored procedure with max_sp_recursion_depth >= 250 crashes mysqld
1205272026-05-22
11:47		2026-06-01
9:39		MySQL Server: OptimizerVerified
(85 days)		S29.6.0LinuxAnyFULLTEXT index scan with ORDER BY and numeric WHERE filter returns empty result set
1205392026-05-24
15:26		2026-05-24
15:26		MySQL Server: FULLTEXT searchOpenS29.6.0LinuxAnyDuplicate FULLTEXT index on a column returns wrong MATCH...AGAINST results when combined with a STORED generated column
1205852026-06-01
9:13		2026-06-01
9:42		MySQL Server: OptimizerDuplicate
(85 days)		S29.6.0AnyAnyInnoDB FULLTEXT index scan silently drops rows when ORDER BY combines with type-coerced equality
1208362026-07-02
15:08		2026-07-02
19:35		MySQL Server: OptimizerVerified
(54 days)		S29.6.0UbuntuAnyWrong result with VIEW, UNION, MAKETIME(), MEDIUMTEXT and NOT IN subquery containing NULL
1208372026-07-02
15:20		2026-07-02
19:44		MySQL Server: OptimizerVerified
(54 days)		S29.6.0AnyAnyWrong result with CTE, UNION ALL, GROUP BY/HAVING and LOCATE('', column)
1208382026-07-02
15:28		2026-08-10
18:00		MySQL Server: OptimizerVerified
(15 days)		S29.6.0UbuntuAnyWrong result with CTE, UNION, BIT column and NOT IN subquery containing NULL
1208392026-07-02
15:37		2026-07-02
20:04		MySQL Server: OptimizerVerified
(54 days)		S29.6.0UbuntuAnyWrong result with CTE, YEAR column, scalar subquery, outer UNION and MAX() aggregate
1208402026-07-02
16:20		2026-07-02
20:09		MySQL Server: OptimizerVerified
(54 days)		S29.6.0UbuntuAnyVIEW and equivalent CTE differ when LOWER(JSON_TYPE(...)) is compared with JSON_TYPE() result in a UNION query
1208412026-07-02
16:26		2026-07-02
20:14		MySQL Server: OptimizerVerified
(54 days)		S29.6.0UbuntuAnyWrong result with CTE, ORDER BY LIMIT, GROUP BY, SUM() and outer UNION
1208422026-07-02
16:34		2026-07-02
20:22		MySQL Server: OptimizerVerified
(54 days)		S29.6.0UbuntuAnyWrong result with CTE, DISTINCT, NULL vs empty string, GROUP_CONCAT() and UNION
1208432026-07-02
16:43		2026-07-03
9:14		MySQL Server: OptimizerVerified
(53 days)		S29.6.0UbuntuAnyVIEW and CTE return wrong results with YEAR(), UNION and uncorrelated EXISTS subquery
1208442026-07-02
16:47		2026-07-03
16:21		MySQL Server: OptimizerCan't repeat
(53 days)		S29.6.0UbuntuAnyWrong result with VIEW, DAYNAME(), UNION and NOT IN subquery
1208452026-07-02
16:55		2026-07-03
7:44		MySQL Server: OptimizerVerified
(53 days)		S29.6.0UbuntuAnyWrong result with CTE, nested STDDEV_POP(), GROUP BY and UNION
1208462026-07-02
17:00		2026-07-03
7:49		MySQL Server: OptimizerVerified
(53 days)		S29.6.0UbuntuAnyWrong result with CTE, AVG(NUMERIC(62)), MIN() and derived table join
1208472026-07-02
17:28		2026-07-03
9:22		MySQL Server: Data TypesVerified
(53 days)		S29.6.0UbuntuAnyInconsistent comparison behavior for ENUM-derived CASE expression between VIEW/CTE and TEMPORARY TABLE
1208482026-07-02
17:43		2026-07-03
16:34		MySQL Server: Data TypesVerified
(53 days)		S29.6.0UbuntuAnyInconsistent comparison behavior for MAKETIME() expression between VIEW/CTE and TEMPORARY TABLE
1208492026-07-02
17:52		2026-07-03
11:01		MySQL Server: Data TypesDuplicate
(53 days)		S29.6.0UbuntuAnyWrong result / inconsistent comparison behavior for SEC_TO_TIME() expression between VIEW/CTE and TEMPORARY TABLE
1209932026-07-23
13:58		2026-08-03
7:19		MySQL Server: OptimizerDuplicate
(22 days)		S29.6.0UbuntuAnyIncorrect query result when evaluating IN predicate with BIT_COUNT(NULL)/LEAST(NULL) on table without UNIQUE index
1197442026-01-22
9:52		2026-01-22
9:52		MySQL Server: InnoDB storage engineOpenS29.6.0AnyAny mysqlbackup_page_track_purge_up_to not working
1197672026-01-24
12:57		2026-08-19
3:06		MySQL Server: CompilingVerified
(6 days)		S29.6.0FreeBSD (15)x86MySQL fails to build on FreeBSD
1197752026-01-26
6:37		2026-01-26
6:37		MySQL Server: MyISAM storage engineOpenS29.6.0AnyAnyExternal locking should be removed
1199182026-02-17
8:12		2026-02-17
8:31		MySQL Server: OptimizerVerified
(189 days)		S29.6.0AnyAnyTree based explain format doesn't work well with MySQL Client or MySQL Shell
1200132026-03-09
11:27		2026-03-09
13:50		MySQL Server: OptimizerNot a Bug
(169 days)		S19.6.0AnyAnyInconsistent results between equivalent queries involving logical predicates and set operations
1201462026-03-25
6:22		2026-06-08
11:29		MySQL Server: OptimizerVerified
(78 days)		S29.6.0Linux (ubuntu 20.04)x86Wrong result due to incorrect const-table pruning for NOT IN on FLOAT UNIQUE column in MEMORY engine
1202222026-04-07
12:02		2026-04-09
19:30		MySQL Server: Data TypesVerified
(138 days)		S29.6.0LinuxAnyVECTOR(n) dimension silently wraps to wrong value due to integer overflow in parser
1202232026-04-07
12:06		2026-04-09
19:33		MySQL Server: Data TypesVerified
(138 days)		S29.6.0LinuxAnyVECTOR(0) silently accepted, produces unusable column with corrupted metadata (dimension 4294967295)
1202442026-04-10
12:40		2026-04-10
13:51		MySQL Server: DDLOpenS19.6.0AnyAnyUnexpected error `'0' for column '' at row -1` triggered by ALTER
1202452026-04-10
13:14		2026-04-10
13:55		MySQL Server: DDLOpenS19.6.0AnyAnyUnexpected error `Got error -1 - 'Unknown error -1' from storage engine`
1202512026-04-12
11:47		2026-04-13
4:58		MySQL Server: DDLVerified
(134 days)		S29.6.0AnyAnyREPLACE INTO silently bypasses ON DELETE FK rules with innodb_native_foreign_keys=OFF
1202542026-04-13
10:04		2026-04-14
8:48		MySQL Server: OptimizerNot a Bug
(133 days)		S19.6.0AnyAnyEquivalent queries show different behavior due to short-circuit optimization failure
1202652026-04-14
8:24		2026-04-14
9:47		MySQL Server: OptimizerVerified
(133 days)		S19.6.0AnyAnyQuery returns with UNION, INTERSECT ALL and Derived SELECT DISTINCT
1202912026-04-19
16:45		2026-04-27
13:16		MySQL Server: OptimizerVerified
(120 days)		S29.6.0AnyAnyInconsistent results between VIEW and CTE involving EXISTS subquery and LEFT JOIN
1203022026-04-20
9:51		2026-04-20
11:26		MySQL Server: OptimizerVerified
(127 days)		S29.6.0AnyAnyInconsistent results between VIEW and CTE involving YEAR(DATETIME), UNION, and JOIN.
1208512026-07-03
5:24		2026-07-03
16:17		MySQL Server: Data TypesDuplicate
(53 days)		S29.6.0,9.7.0UbuntuAnyWrong result / inconsistent comparison behavior for TIME() expression between VIEW/CTE and TEMPORARY TABLE
1208522026-07-03
5:32		2026-07-03
10:09		MySQL Server: Data TypesVerified
(53 days)		S29.6.0,9.7.0UbuntuAnyWrong result with YEAR() over DATE after UNION: value displayed as 0000 but satisfies vc > 1970
1208532026-07-03
5:42		2026-07-03
10:12		MySQL Server: OptimizerVerified
(53 days)		S29.6.0,9.7.0UbuntuAnyWrong result with LOWER(JSON), UPPER() comparison and utf8mb4_bin collation in VIEW/CTE
1208542026-07-03
5:49		2026-07-06
15:23		MySQL Server: OptimizerVerified
(50 days)		S29.6.0,9.7.0UbuntuAnyWrong result with COALESCE(YEAR, 0), arithmetic and window function in VIEW/CTE
1208552026-07-03
6:02		2026-07-07
7:18		MySQL Server: OptimizerVerified
(49 days)		S29.6.0,9.7.0UbuntuAnyWrong result with QUOTE(NULL) in VIEW/CTE WHERE predicate
1208572026-07-03
6:23		2026-07-07
7:25		MySQL Server: OptimizerVerified
(49 days)		S29.6.0,9.7.0UbuntuAnyWrong result with LOWER(REVERSE(ST_AsGeoJSON())) comparison under utf8mb4_bin collation in VIEW/CTE
1209112026-07-13
13:28		2026-07-14
7:03		MySQL Server: OptimizerVerified
(42 days)		S29.6.0,9.7.0UbuntuAnyWrong result after predicate pushdown to HAVING for SUM(DOUBLE) in VIEW/CTE
1209852026-07-23
10:39		2026-08-06
12:46		MySQL Server: OptimizerVerified
(19 days)		S29.6.0,9.7.0UbuntuAnyENUM comparison with a CHAR() binary-string expression changes after CREATE TABLE AS SELECT materialization
1209952026-07-23
14:15		2026-08-03
10:48		MySQL Server: OptimizerNot a Bug
(22 days)		S29.6.0,9.7.0UbuntuAnyInconsistent result for IN predicate with IF(FLOAT, FLOAT, VARCHAR) expression on FLOAT column with UNIQUE index
1209992026-07-23
15:41		2026-07-28
14:03		MySQL Server: OptimizerDuplicate
(28 days)		S29.6.0,9.7.0UbuntuAnyIncorrect index lookup range pushdown for NOT IN / IN (decimal) on TINYINT column violates TLP partitioning
1210002026-07-23
15:43		2026-07-28
13:55		MySQL Server: OptimizerDuplicate
(28 days)		S29.6.0,9.7.0UbuntuAnyIncorrect index lookup range pushdown for (decimal constant NOT IN (indexed_int_column)) negation causes duplicate rows
1202922026-04-19
17:01		2026-04-27
14:09		MySQL Server: OptimizerVerified
(120 days)		S29.6.0; 8.0.45AnyAnyInconsistent results between VIEW and CTE involving IN subquery and RIGHT JOIN
1202932026-04-19
17:10		2026-04-27
14:10		MySQL Server: OptimizerVerified
(120 days)		S19.6.0; 8.0.45AnyAnyQuery result inconsistency between VIEW and CTE involving a UNION of scalar aggregation and grouped aggregation
1204572026-05-12
15:03		2026-05-28
1:13		MySQL Server: OptimizerPatch pending
(100 days)		S29.7CentOSx86Hypergraph optimizer returns wrong results for LEFT JOIN LATERAL with SEMI JOIN when derived_merge
1206812026-06-14
5:43		2026-06-14
5:43		MySQL Server: FULLTEXT searchOpenS29.7Debian (Debian GNU/Linux 12 (bookworm))x86 ((86_64)ngram FULLTEXT parser fails to match certain Latin tokens (e.g. "Sarah") in any query mode
1210612026-08-06
8:37		2026-08-13
2:36		MySQL Server: InnoDB storage engineOpen
(12 days)		S29.7, 8.4, 26.7, 8.0.46AnyAnyInnoDB wrong result for a full-column secondary index on an externally stored field during MVCC lookup
1203942026-05-04
5:31		2026-05-04
5:31		MySQL Server: PackagingOpenS29.7.0AnyAnymissing build dependency: libedit-devel
1203972026-05-04
9:27		2026-05-04
9:27		MySQL Server: PackagingOpenS29.7.0AnyAnymissing build dependency: libzstd-devel
1203982026-05-04
9:29		2026-05-04
9:29		MySQL Server: PackagingOpenS29.7.0AnyAnymissing build dependency: libevent-devel
1203992026-05-04
9:31		2026-05-04
9:31		MySQL Server: PackagingOpenS29.7.0AnyAnymissing build dependency: lz4-devel
1204292026-05-10
7:04		2026-08-13
17:35		MySQL Server: OptimizerClosed
(12 days)		S29.7.0Windows (Windows Server 2022)AnyIFNULL function does not handle NULL
1205322026-05-23
12:34		2026-05-27
13:43		MySQL Server: OptimizerDuplicate
(90 days)		S29.7.0Ubuntux86An unused derived subquery triggers a DISTINCT/IFNULL wrong-result in the original path
1205382026-05-24
13:46		2026-05-27
13:53		MySQL Server: OptimizerDuplicate
(90 days)		S29.7.0Ubuntux86A RIGHT JOIN predicate treats IFNULL(NULL, non-NULL DECIMAL ZEROFILL) as non-matching and drops obvious rows
1205402026-05-25
1:44		2026-08-13
17:21		MySQL Server: OptimizerClosed
(12 days)		S29.7.0Ubuntux86A negated `IS TRUE` guard can still match a DECIMAL row for which the guarded predicate is true
1205832026-06-01
2:10		2026-06-01
5:33		MySQL Server: OptimizerVerified
(85 days)		S29.7.0AnyAnyJOIN_ORDER hint causes "Optimizer failed to find a plan" with a leading derived table and same table names in nested sql
1207152026-06-17
8:28		2026-06-18
2:12		MySQL Server: InnoDB storage engineOpen
(68 days)		S29.7.0AnyAnyUnexpected deadlock when one of the two transactions does not acquire any locks
1207792026-06-25
20:16		2026-06-26
20:48		MySQL Server: DMLDocumenting
(60 days)		S29.7.0LinuxAnyPOW(x, NULL) returns 1 instead of NULL (NULL exponent ignored)
1207802026-06-25
20:19		2026-06-26
7:00		MySQL Server: DMLVerified
(60 days)		S29.7.0LinuxAnyNested DATE_ADD on a date string adds spurious 00:00:00, drops WHERE rows
1207812026-06-25
20:22		2026-06-26
6:48		MySQL Server: DMLDuplicate
(60 days)		S29.7.0LinuxAnyDECIMAL BETWEEN returns NULL for every row evaluated after a NULL row
1207822026-06-25
20:24		2026-06-26
4:47		MySQL Server: OptimizerVerified
(60 days)		S29.7.0LinuxAnyDerived merge: temporal expr ignores NULL-extended LEFT JOIN row
1207872026-06-26
11:04		2026-06-27
2:48		MySQL Server: OptimizerDocumenting
(60 days)		S29.7.0AnyAnyIN (DATE/TIME constant list) wrongly TRUE for non-temporal string
1207882026-06-26
11:11		2026-07-15
14:13		MySQL Server: JSONClosed
(41 days)		S29.7.0AnyAnyJSON_VALUE RETURNING DATETIME DEFAULT returns a garbage date
1208562026-07-03
6:15		2026-07-08
8:18		MySQL Server: Data TypesVerified
(48 days)		S29.7.0AnyAnyCOERCIBILITY() differs for expression-derived strings between VIEW/CTE and TEMPORARY TABLE
1204222026-05-08
8:56		2026-07-02
1:00		MySQL Server: OptimizerNo Feedback
(55 days)		S29.7.0 (also reproducible in 8.0.x)AnyAnyORDER BY ignored when internal_tmp_mem_storage_engine = TempTable with GROUP BY on CTE
1206992026-06-16
5:52		2026-06-16
13:31		MySQL Server: OptimizerDuplicate
(70 days)		S29.7.0, 9.6.0AnyAnyWHERE clause incorrectly returns rows when using COALESCE/IFNULL/LEAST/GREATEST on DECIMAL column
1209702026-07-21
6:38		2026-07-21
17:36		MySQL Server: OptimizerDuplicate
(35 days)		S19.7.1AnyAnyTempTable Engine Incorrectly Treats XOR Result Value 1 as NULL in GROUP BY, Merging Groups
1209732026-07-21
13:44		2026-07-22
12:10		MySQL Server: OptimizerDuplicate
(34 days)		S29.7.1AnyAnyRedundant outer DISTINCT creates a second temporary-table deduplication above INTERSECT in MySQL
1209812026-07-23
9:11		2026-07-29
11:57		MySQL Server: OptimizerDuplicate
(27 days)		S19.7.1AnyAnyIFNULL(NULL, column) Returns NULL in STRAIGHT_JOIN Covering Index Scan, Filtering All Rows
1209832026-07-23
10:07		2026-07-29
10:20		MySQL Server: OptimizerVerified
(27 days)		S29.7.1UbuntuAnyWrong result for NOT IN subquery on a BIT column while an equivalent materialized query returns the expected row
1210182026-07-28
5:43		2026-07-29
6:07		MySQL Server: OptimizerVerified
(27 days)		S29.7.1MacOSARMsubquery_to_derived produces wrong EXISTS/NOT EXISTS results with LIMIT (silent corruption)
1210202026-07-28
6:11		2026-07-29
9:47		MySQL Server: OptimizerVerified
(27 days)		S29.7.1MacOSARMsubquery_to_derived transforms LIMIT 1 into MIN aggregate when subquery is inside derived table (= fast-path context fai
1210282026-07-29
6:09		2026-07-31
11:49		MySQL Server: OptimizerVerified
(25 days)		S29.7.1MacOSARMCardinality Check Granularity Error in subquery_to_derived
1210382026-07-30
8:59		2026-08-04
14:48		MySQL Server: OptimizerPatch pending
(22 days)		S19.7.1MacOSARMhypergraph_optimizer=on silently updates/deletes the wrong rows for single-table UPDATE/DELETE with ORDER BY when the WH
1211162026-08-18
11:25		2026-08-18
11:25		MySQL Server: PartitionsOpenS29.7.1MacOSARMindex scan on a subpartitioned table silently omits rows when a secondary index contains a VIRTUAL generated column
1211492026-08-21
13:17		2026-08-21
20:37		MySQL Server: OptimizerVerified
(4 days)		S29.7.1AnyAnyMySQL temporal implicit conversion changes `TIMEDIFF` predicate results after materialization
1211532026-08-22
6:36		2026-08-22
10:52		MySQL Server: Data TypesNot a Bug
(3 days)		S29.7.1AnyAnyMaterializing a UNION prefix in a CTE changes TIME values in the final UNION result
1211542026-08-22
10:17		2026-08-25
7:12		MySQL Server: OptimizerDuplicateS29.7.1AnyAnyCTE derived merge incorrectly preserves a NULL-complemented LEFT JOIN row rejected by the WHERE predicate
1211552026-08-22
15:02		2026-08-22
15:02		MySQL Server: OptimizerOpenS29.7.1AnyAnyMySQL loses LEFT JOIN preserved rows when an empty temporary table is used with DISTINCT and a window function
1211572026-08-23
6:37		2026-08-23
6:40		MySQL Server: OptimizerOpen
(2 days)		S19.7.1 AnyAnyTimezone-dependent generated column breaks UNIQUE and makes table unrestorable
1211582026-08-23
6:41		2026-08-23
7:55		MySQL Server: DDLOpen
(2 days)		S19.7.1AnyAnyALTER COLLATE skips validation of UNIQUE functional index, leaving duplicate keys
1211622026-08-23
7:59		2026-08-23
7:59		MySQL Server: PartitionsOpenS19.7.1AnyAnyEXCHANGE PARTITION definition check ignores expressions and CHECK constraints
1194442025-11-22
11:32		2026-02-05
20:32		MySQL Server: OptimizerNot a Bug
(201 days)		S2anyAnyAnyUnion with bound variable silently trims result
1203272026-04-23
7:46		2026-04-23
12:40		MySQL Server: ReplicationOpenS2MySQL 8.4AnyAnyUnsigned integer wraparound in Binlog_sender::run() when binlog_row_event_max_size is set to a large value
1190972025-09-30
9:04		2025-12-15
11:15		MySQL Server: OptimizerVerified
(253 days)		S2MySQL 8.4.6WindowsOther (x64)STRAIGHT_JOIN returns different results compared to INNER JOIN with identical conditions
1203192026-04-22
7:11		2026-04-22
9:43		MySQL Server: OptimizerDuplicate
(125 days)		S2MySQL 8.4.6 LTSAnyAnyIN() clause containing over-length string values for VARCHAR(N) column causes full table scan in MySQL 8.4.x, while sing
1210632026-08-07
1:37		2026-08-14
2:55		MySQL Server: Group ReplicationOpen
(11 days)		S1MySQL 8.4.8 - 8.4.11AnyAnyMembers of one Group Replication group assign different GNOs to the same transaction
1207992026-06-28
8:09		2026-06-29
17:29		MySQL Server: InnoDB storage engineOpen
(57 days)		S2mysql 8.4.9Ubuntu (20.04)x86SELECT ... LOCK IN SHARE MODE returns different row sets depending on index choice under RC/RU
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
1206422026-06-09
10:44		2026-06-10
7:44		MySQL Server: OptimizerNot a Bug
(76 days)		S1MySQL 9.6Any (Storage Engine: InnoDB)AnyDerived table merging loses FLOAT display formatting context, causing inconsistent aggregated output
1207212026-06-18
1:41		2026-06-18
11:41		MySQL Server: OptimizerDuplicate
(68 days)		S1MySQL 9.6Any (Storage Engine: InnoDB)AnyAuto-Key Data Type Truncation During Materialized Derived Table Lookup Causes Incorrect IN Match (Should Return Empty)
1207332026-06-20
13:38		2026-06-22
9:29		MySQL Server: OptimizerVerified
(64 days)		S1MySQL 9.6AnyAnyDISTINCTROW with ROW_NUMBER() Derived Table and GROUP BY Causes Duplicate Removal Key to Miss a Non‑Aggregate Column, Me
1207352026-06-21
14:10		2026-06-22
10:19		MySQL Server: OptimizerNot a Bug
(64 days)		S1MySQL 9.6AnyAnyIndex Range Scan Incorrectly Shrinks Range for IN Predicate with EXISTS and CAST(NULL AS SIGNED), Missing Rows
1207852026-06-26
4:17		2026-06-26
9:20		MySQL Server: OptimizerDuplicate
(60 days)		S1MySQL 9.6AnyAnyTemporary Table Deduplication Uses Binary Comparison for FLOAT -0 and +0, Incorrectly Treating Them as Distinct Values
1207862026-06-26
4:51		2026-06-26
8:50		MySQL Server: OptimizerDuplicate
(60 days)		S1MySQL 9.6AnyAnyDerived Table Materialization with Pushed-Down IN Condition Causes Empty Result Instead of NULL for Aggregate
1208002026-06-28
11:51		2026-06-29
2:48		MySQL Server: OptimizerNot a Bug
(57 days)		S1MySQL 9.6AnyAnyLATERAL Derived Table Merge Causes Type Propagation Error, FLOAT Precision Loss in CASE Expression Constants
1208012026-06-28
12:22		2026-06-29
6:15		MySQL Server: OptimizerNot a Bug
(57 days)		S1MySQL 9.6AnyAnyROW_NUMBER() Aligned Derived Table Causes Inconsistent Comparison Behavior for LEAST(Double, Double) = BIGINT Condition
1208022026-06-28
12:34		2026-06-28
20:51		MySQL Server: OptimizerCan't repeat
(58 days)		S1MySQL 9.6AnyAnyIndex Lookup with COALESCE Constant Causes Truncation to 0, Incorrectly Matching BIGINT Column
1208632026-07-04
9:15		2026-07-04
13:46		MySQL Server: OptimizerDuplicate
(52 days)		S1MySQL 9.7.1AnyAnyScalar Subquery Column Loses Non‑NULL Values in DISTINCT Temporary Table, All Rows Become NULL
1208642026-07-04
9:34		2026-07-04
13:47		MySQL Server: OptimizerDuplicate
(52 days)		S1MySQL 9.7.1AnyAnyAGGREGATE_THEN_MERGE Causes Incorrect Column Mapping for GROUP BY Expression, Returning NULL Instead of Actual Value
1208652026-07-04
9:50		2026-07-04
13:47		MySQL Server: OptimizerDuplicate
(52 days)		S1MySQL 9.7.1AnyAnyMIN(DISTINCT IFNULL(NULL, col)) Returns NULL After JOIN with JSON Subquery Due to Incorrect DISTINCT Temporary Table Han
1208662026-07-04
10:08		2026-07-06
5:46		MySQL Server: OptimizerDuplicate
(50 days)		S1MySQL 9.7.1AnyAnyHash Join with CTE Materialization Incorrectly Treats Non‑NULL Columns as NULL, Causing LEAST to Return NULL
1209672026-07-21
6:04		2026-07-21
17:28		MySQL Server: OptimizerDuplicate
(35 days)		S1MySQL 9.7.1AnyAnyDECIMAL DESC Index with Index Condition Pushdown Mis‑evaluates CASE Expression, Incorrectly Keeping Rows
1209682026-07-21
6:13		2026-07-21
17:21		MySQL Server: OptimizerDuplicate
(35 days)		S1MySQL 9.7.1AnyAnyRIGHT JOIN to LEFT JOIN Rewrite Causes IFNULL Field Mapping to Wrong Table, Returning NULL
1209692026-07-21
6:27		2026-07-21
17:38		MySQL Server: OptimizerDuplicate
(35 days)		S1MySQL 9.7.1AnyAnyCovering Index Scan Incorrectly Interprets DECIMAL Values as NULL, Causing Wrong Filtering
1189802025-09-10
2:52		2025-09-15
16:00		MySQL Server: OptimizerVerified
(348 days)		S2MySQL8.0.41 AnyAnyqueries have different results using and without index
1208622026-07-04
9:09		2026-07-04
13:45		MySQL Server: OptimizerDuplicate
(52 days)		S1MySQL9.7.1AnyAnyLEFT JOIN Rewrite with Condition Pushdown Incorrectly Binds Column to Right Table, Causing All Rows to Be Filtered Out
1204412026-05-11
11:29		2026-07-28
15:59		MySQL Server: InnoDB storage engineClosed
(28 days)		S2trunk 8.0.24 8.4.9 AnyAnyInnoDB btr_create() can hold page latches for a long time because buf_stat_per_index->inc() may synchronously run ut_loc
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