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ID# Date Updated Type Status Sev Version OS CPU Summary
1214022026-09-30
3:07		2026-09-30
8:42		MySQL Server: OptimizerVerifiedS38.0.46Ubuntu (Ubuntu 22.04)AnyNOT EXISTS subquery with tautological OR condition ignores NULL semantics
1214012026-09-30
2:15		2026-09-30
7:30		MySQL Server: OptimizerVerifiedS58.0.46, 8.4.11, 9.7.2, 26.07Ubuntu (22.04.4 LTS)x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz)Join-order enumeration and final AccessPath disagree on equality-derived filter cost, causing ~230x slowdown
1213992026-09-29
18:04		2026-09-30
7:26		MySQL Server: OptimizerVerifiedS29.7.2, 26.07LinuxAnysubquery_to_derived=on incorrectly filters rows for ALL over an empty subquery inside CASE
1213982026-09-29
17:27		2026-09-30
8:45		MySQL Server: OptimizerVerifiedS226.10.0LinuxAnyUNION loses a distinct DATE value after changing sql_mode on a partitioned table
1213952026-09-29
9:54		2026-09-30
7:16		MySQL Server: OptimizerVerifiedS28.0.46, 8.4.11, 9.7.2, 26.07LinuxAnyBIGINT UNSIGNED column incorrectly matches a negative value in an IN (...) list when that value is derived from a non-co
1213942026-09-29
8:27		2026-09-30
7:12		MySQL Server: DMLVerifiedS28.4.11, 9.7.2, 26.10.0-erAnyAnyBuffered multi table update stores NULL instead of DEFAULT when asked for DEFAULT
1213932026-09-29
8:03		2026-09-30
7:10		MySQL Server: GISVerifiedS38.0.46, 8.4.11, 9.7.2, 26.07AnyAnyTrigger prevents GEOMETRY NOT NULL guard from working
1213922026-09-29
8:00		2026-09-30
6:35		MySQL Server: OptimizerVerifiedS28.0.46, 8.4.11, 9.7.2, 26.07LinuxAnySELECT DISTINCT with a COLLATE-qualified WHERE predicate incorrectly drops matching rows when the optimizer uses an inde
1213912026-09-29
7:50		2026-09-30
6:28		MySQL Server: GISVerifiedS38.0.46, 8.4.11, 9.7.2, 26.07AnyAnyUPDATE IGNORE set geometry DEFAULT fails after DROP DEFAULT where INSERT IGNORE stores NULL
1213892026-09-29
1:05		2026-09-29
5:28		MySQL Server: OptimizerVerified
(1 day)		S28.0.46, 8.4.11, 9.7.2, 26.07AnyAnyCOUNT(DISTINCT) returns a wrong (too small) result on a partitioned table when loose index scan is chosen
1213882026-09-28
14:46		2026-09-28
17:40		MySQL Server: OptimizerVerified
(2 days)		S4AnyAnyContribution: Add DELETE ... RETURNING clause support
1213792026-09-28
8:25		2026-09-29
11:21		MySQL Server: OptimizerVerified
(1 day)		S28.0.46, 8.4.11, 9.7.2, 26.07LinuxAnyIdentical UNION operands return different values when counting an EXCEPT ALL CTE
1213772026-09-28
7:07		2026-09-29
10:30		MySQL Server: OptimizerVerified
(1 day)		S28.0.46, 8.4.11, 9.7.2, 26.07LinuxAnyLIKE with an equivalent computed numeric pattern returns inconsistent results under utf16_unicode_ci
1213742026-09-27
18:59		2026-09-28
5:07		MySQL Server: OptimizerVerified
(2 days)		S28.0.46, 8.4.11, 9.7.2AnyAnyQueries using a JSON array index silently return incomplete results in joins (realworld bug)
1213682026-09-24
8:43		2026-09-24
11:00		MySQL Server: GISVerified
(6 days)		S38.4.11, 9.7.2, 26.7.0AnyAnyPossible to store an empty value into a non-NULL GEOMETRY column
1213672026-09-24
7:45		2026-09-24
10:44		MySQL Server: DMLVerified
(6 days)		S29.7.2Ubuntu (Used Docker Image for testing)AnyON DELETE CASCADE only deletes first child
1213602026-09-23
10:51		2026-09-24
8:27		MySQL Server: DMLVerified
(6 days)		S38.4.11, 9.7.2, 26.7.0AnyAnyNo-op UPDATE assigning NULL to an already-NULL executes update, firing triggers etc
1213582026-09-23
7:46		2026-09-23
10:29		MySQL Server: OptimizerVerified
(7 days)		S29.7.2UbuntuAnyPrepared statement does not reflect updated group_concat_max_len during execution
1213522026-09-22
17:01		2026-09-23
10:12		MySQL Server: DocumentationVerified
(7 days)		S28.0.46, 9.4.11, 9.7.2UbuntuAnyPrepared statement returns an unexpected WEEK() result after changing default_week_format
1213362026-09-21
10:42		2026-09-23
6:51		MySQL Server: OptimizerVerified
(7 days)		S28.0.46, 8.4.11, 9.7.2Ubuntu (24.04)x86SQL_BUFFER_RESULT causes aggregate row failing HAVING predicate to be returned
1213312026-09-21
5:05		2026-09-21
9:29		MySQL Server: OptimizerVerified
(9 days)		S38.4.12, 9.7.3, 26.7.1LinuxAnyOptimizer discards the chosen range access and falls back to a table scan for antijoin / LEFT JOIN queries
1213282026-09-21
2:41		2026-09-21
12:26		MySQL Server: OptimizerVerified
(9 days)		S38.0.46, 8.4.11, 9.7.2AnyAny`LAST_INSERT_ID(expr)` returns different results when the same non-NULL `LONGTEXT` value is passed directly or through a
1213262026-09-20
20:03		2026-09-21
12:29		MySQL Server: OptimizerVerified
(9 days)		S28.0.46, 8.4.11, 9.7.2AnyAnyYEAR column compared to a non-integral constant returns and drops wrong rows
1213252026-09-20
20:01		2026-09-21
8:46		MySQL Server: OptimizerVerified
(9 days)		S28.0.46, 8.4.11, 9.7.2, 26.10.0AnyAnyMIN()/MAX() with BETWEEN and a non-integral bound returns NULL while rows match
1213232026-09-20
13:59		2026-09-21
8:39		MySQL Server: OptimizerVerified
(9 days)		S28.0.46, 8.4.11, 9.7.2LinuxAnyUNION truncates the result of REPLACE() when the replacement increases string length
1213222026-09-20
13:42		2026-09-21
8:21		MySQL Server: OptimizerVerified
(9 days)		S28.0.46, 8.4.11, 9.7.2LinuxAnyGROUP_CONCAT() returns incorrectly ordered results with a leading constant ORDER BY item
1213132026-09-18
5:38		2026-09-18
7:59		MySQL Server: OptimizerVerified
(12 days)		S39.7.2AnyAnyREPLACE() Produces Different Results Depending on Whether GROUP BY Is Applied
1213122026-09-18
2:56		2026-09-18
8:00		MySQL Server: OptimizerVerified
(12 days)		S39.7.2AnyAny`DISTINCTROW` causes `REPEAT()` with a scalar subquery to return an incorrectly duplicated value.
1213112026-09-18
2:48		2026-09-18
7:50		MySQL Server: Data TypesVerified
(12 days)		S326.7.0MacOS (15.6.1)ARM (Apple Silicon)Inconsistent handling of FLOAT ZEROFILL in UPPER() and CHARACTER_LENGTH()
1213062026-09-17
10:07		2026-09-28
16:23		MySQL WorkbenchVerified
(2 days)		S326.7.0MacOS (27.0)ARMObject Info missing
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