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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 120256 | 2026-04-13 11:44 | 2026-04-13 12:48 | MySQL Server: Optimizer | Verified | S2 | 8.4.8 | Any | Any | CREATE VIEW materialization turns zero datetime values into runtime timestamps in UNION ALL output |
| 120255 | 2026-04-13 11:24 | 2026-04-13 13:04 | MySQL Server: Optimizer | Verified | S2 | 8.4.8 | Any | Any | CREATE VIEW materialization changes grouped results when replacing a grouped CTE or derived input |
| 120253 | 2026-04-13 9:14 | 2026-04-13 10:18 | MySQL Server: Optimizer | Verified | S3 | 8.0.45 | Ubuntu (Ubuntu 20.04.4 LTS) | x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache)) | Index Lookup Skips CAST for LONGTEXT-to-DATE Coercion in JOIN,Causing Plan-Dependent Result Divergence |
| 120251 | 2026-04-12 11:47 | 2026-04-13 4:58 | MySQL Server: DDL | Verified | S2 | 9.6.0 | Any | Any | REPLACE INTO silently bypasses ON DELETE FK rules with innodb_native_foreign_keys=OFF |
| 120248 | 2026-04-11 9:16 | 2026-04-13 4:56 | MySQL Server: Optimizer | Verified | S3 | 8.4.8 | Ubuntu | Any | Changing the order of GROUPING columns gives wrong results |
| 120247 | 2026-04-11 9:03 | 2026-04-13 5:02 | MySQL Server: Optimizer | Verified | S3 | 8.4.8 | Ubuntu | Any | CREATE VIEW materialization changes RIGHT JOIN preserved-side filtering result cardinality |
| 120237 | 2026-04-08 17:05 | 2026-04-09 8:59 | MySQL Server: DDL | Verified (4 days) | S3 | 9.6 and 8.4 | Any | Any | DEFAULT(UUID()) allowed at CREATE TABLE but rejected in ALTER TABLE with binary logging enabled |
| 120231 | 2026-04-08 4:55 | 2026-04-11 11:50 | MySQL Server: Documentation | Verified (2 days) | S3 | 8.0.29 | Any | Any | Typo in MySQL 8.0.29 release note |
| 120226 | 2026-04-07 14:59 | 2026-04-09 15:35 | MySQL Server: Optimizer | Verified (5 days) | S2 | 9.7.0-er2 | Linux (Ubuntu 22.04 (Docker, native x86_64)) | x86 | Hypergraph optimizer: ROR intersect OverflowBitset capacity mismatch causes server crash (SIGABRT/SIGSEGV) |
| 120225 | 2026-04-07 13:40 | 2026-04-08 4:30 | MySQL Server: Optimizer | Verified (5 days) | S3 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | Inconsistent behavior between SELECT and DELETE/UPDATE with EXISTS and LEFT JOIN subquery |
| 120224 | 2026-04-07 12:25 | 2026-04-08 4:34 | MySQL Server: Optimizer | Verified (5 days) | S3 | 8.0.43 (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 |
| 120223 | 2026-04-07 12:06 | 2026-04-09 19:33 | MySQL Server: Data Types | Verified (4 days) | S2 | 9.6.0 | Linux | Any | VECTOR(0) silently accepted, produces unusable column with corrupted metadata (dimension 4294967295) |
| 120222 | 2026-04-07 12:02 | 2026-04-09 19:30 | MySQL Server: Data Types | Verified (4 days) | S2 | 9.6.0 | Linux | Any | VECTOR(n) dimension silently wraps to wrong value due to integer overflow in parser |
| 120217 | 2026-04-05 12:27 | 2026-04-06 5:24 | MySQL Server: Optimizer | Verified (7 days) | S3 | 9.6.0 | Ubuntu (22.04) | Any | GROUPING() in ORDER BY of EXISTS/IN/ALL/ANY subquery: invalid arguments not rejected |
| 120215 | 2026-04-04 16:59 | 2026-04-06 5:38 | MySQL Server: Optimizer | Verified (7 days) | S3 | 9.6.0 | Ubuntu (22.04) | Any | Inconsistent window aggregate results with GROUP BY ... WITH ROLLUP |
| 120209 | 2026-04-03 9:39 | 2026-04-13 1:41 | MySQL Server: DDL | Verified (2 days) | S4 | 8.4.7 | Any | Any | Feature Request: EXPLAIN ALTER TABLE |
| 120203 | 2026-04-02 2:35 | 2026-04-04 19:49 | MySQL Server: Optimizer | Verified (9 days) | S2 | 8.0.45 | Any | Any | MySQL returns an incorrect result for an indexed comparison between an `INT` column and a non-integer function value. |
| 120179 | 2026-03-30 10:54 | 2026-03-30 12:26 | MySQL Server: Optimizer | Verified (14 days) | S3 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | NoREC Test: COUNT(*) vs SUM(CASE...) produces inconsistent results with RIGHT JOIN + LEFT JOIN |
| 120174 | 2026-03-28 9:25 | 2026-03-29 20:21 | MySQL Server: Optimizer | Verified (15 days) | S3 | 8.0.45 | Ubuntu (22.04) | Any | Incorrect empty result for BETWEEN on binary string columns when a UNIQUE index is used |
| 120172 | 2026-03-28 9:14 | 2026-03-29 20:15 | MySQL Server: Optimizer | Verified (15 days) | S3 | 8.0.45 | Ubuntu (22.04) | Any | Inconsistent result: NOT IN (subquery on BIT column) differs when using secondary index vs IGNORE INDEX |
| 120171 | 2026-03-28 8:58 | 2026-03-29 20:06 | MySQL Server: Optimizer | Verified (15 days) | S3 | 8.0.45 | Ubuntu (22.04) | Any | Wrong result: LEFT JOIN empty derived table + WHERE equality uses literal from SELECT list |
| 120159 | 2026-03-26 11:41 | 2026-03-27 4:57 | MySQL Server: Optimizer | Verified (18 days) | S3 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | RIGHT JOIN + Complex Subqueries Returns Extra Rows |
| 120158 | 2026-03-26 6:04 | 2026-03-29 19:37 | MySQL Server: Optimizer | Verified (15 days) | S2 | 8.0.45 | Ubuntu (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 |
| 120152 | 2026-03-25 8:50 | 2026-03-26 9:05 | MySQL Server: Optimizer | Verified (18 days) | S3 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | Unexpected behavior of LEFT JOIN + empty subquery with NULL comparison in WHERE clause |
| 120145 | 2026-03-25 6:05 | 2026-03-25 19:22 | MySQL Server: Optimizer | Verified (19 days) | S2 | 8.0.45 | Linux (ubuntu 20.04) | x86 | Incorrect empty result after relocating a HAVING predicate into a derived-table boolean column with WHERE ref1 |
| 120142 | 2026-03-25 3:09 | 2026-03-25 20:29 | MySQL Server: JSON | Verified (19 days) | S3 | 8.0.45 | Any | Any | Incorrect result with DISTINCTROW and JSON_OBJECTAGG when replacing COALESCE(SUM(NULL),0) with constant |
| 120132 | 2026-03-23 11:28 | 2026-03-24 7:45 | MySQL Server: Optimizer | Verified (20 days) | S3 | 8.4.8 | Any | Any | Unexpected Query Results Caused by Prefix Index on TEXT Column |
| 120131 | 2026-03-23 11:27 | 2026-03-24 7:40 | MySQL Server: Optimizer | Verified (20 days) | S3 | 8.0.45 | Any | Any | Bug in Query Behavior due to ZEROFILL in DOUBLE Column |
| 120128 | 2026-03-23 8:14 | 2026-04-08 9:03 | MySQL Server: Replication | Verified (5 days) | S3 | 8.0.* | Any | Any | When explicit_defaults_for_timestamp is off, inserting a null value causes replication exceptions. |
| 120123 | 2026-03-20 7:15 | 2026-03-20 12:18 | MySQL Server: Optimizer | Verified (24 days) | S3 | 8.0.45 | Any | Any | Inconsistent query results when using EXISTS subqueries with MyISAM engine in derived tables. |
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