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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 120735 | 2026-06-21 14:10 | 2026-06-21 14:10 | MySQL Server: Optimizer | Open | S1 | MySQL 9.6 | Any | Any | Index Range Scan Incorrectly Shrinks Range for IN Predicate with EXISTS and CAST(NULL AS SIGNED), Missing Rows |
| 120734 | 2026-06-20 14:02 | 2026-06-20 14:02 | MySQL Server: Optimizer | Open | S1 | MySQL 9.6 | Any | Any | Constant Table Optimization Ignores WHERE Condition for MAX(DISTINCT), Returning Incorrect Non-NULL Value |
| 120733 | 2026-06-20 13:38 | 2026-06-20 13:38 | MySQL Server: Optimizer | Open | S1 | MySQL 9.6 | Any | Any | DISTINCTROW with ROW_NUMBER() Derived Table and GROUP BY Causes Duplicate Removal Key to Miss a Non‑Aggregate Column, Me |
| 120732 | 2026-06-20 13:22 | 2026-06-20 13:22 | MySQL Server: Optimizer | Open | S3 | MySQL 9.6 | Any (Storage Engine: InnoDB) | Any | Derived Table Merging Causes Incorrect Duplicate Removal with DISTINCT + GROUP BY + SUM(DISTINCT EXISTS(subquery)) |
| 120713 | 2026-06-17 7:11 | 2026-06-17 14:41 | MySQL Server | Open | S5 | 8.0.24, 8.0.33 | Any | Any | Optimizer incorrectly prefers ordering index over selective index for ORDER BY … LIMIT 1 |
| 120712 | 2026-06-17 6:44 | 2026-06-17 6:44 | MySQL Server: Optimizer | Open | S3 | 9.7.0 | Any | Any | Inconsistent EXPLAIN row estimation |
| 120683 | 2026-06-14 15:21 | 2026-06-14 15:21 | MySQL Server: Optimizer | Open | S5 | 9.7.0 | Any | Any | Optimizer overestimates cost and rows for LIMIT 1 without ORDER BY on a primary key index |
| 120680 | 2026-06-13 17:35 | 2026-06-13 17:35 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `NOT (col != COALESCE(NULL, ...))` |
| 120679 | 2026-06-13 17:35 | 2026-06-13 17:35 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `NOT (col NOT IN IFNULL(...))` |
| 120678 | 2026-06-13 17:34 | 2026-06-13 17:34 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `NOT IN (LEAST(NULL, ...)) IS UNKNOWN` |
| 120677 | 2026-06-13 17:33 | 2026-06-13 17:33 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `col OR GREATEST(...)` |
| 120676 | 2026-06-13 17:33 | 2026-06-13 17:33 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `COALESCE(...) && (literal IN col)` |
| 120675 | 2026-06-13 17:32 | 2026-06-13 17:32 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `CAST(NULL) IN col || CASE ... IN col` |
| 120674 | 2026-06-13 17:32 | 2026-06-13 17:32 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `CASE with EXISTS` compared to column |
| 120673 | 2026-06-13 17:31 | 2026-06-13 17:31 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `NOT (literal NOT IN col)` |
| 120665 | 2026-06-12 10:19 | 2026-06-15 8:49 | MySQL Server: Optimizer | Open (7 days) | S2 | 8.4.8 | Any | Any | Non optimal query plan chosen for DML |
| 120599 | 2026-06-02 8:24 | 2026-06-02 12:53 | MySQL Server | Open (20 days) | S3 | 8.0.43 | Any | Any | Field_set::sql_type() Corrupts 4-byte UTF-8 Characters, Breaking Replication |
| 120575 | 2026-05-30 6:57 | 2026-05-30 6:57 | MySQL Server: Optimizer | Open | S2 | 8.0.41+ | Any | Any | Range optimizer chooses bad range plan for large IN lists and execution is very slow and memory usage spikes. |
| 120574 | 2026-05-29 14:05 | 2026-05-29 14:12 | MySQL Server: Optimizer | Open | S2 | 8.0.41 | Any | Any | Range optimizer exceeds memory limit and chooses bad range plan for large IN lists |
| 120482 | 2026-05-15 10:46 | 2026-05-24 15:09 | MySQL Server: Data Dictionary | Open (34 days) | S2 | 8.4.9 | Linux (Red Hat Enterprise Linux 9.6 (Plow ) | x86 | Upgrade from 8.0.35 to 8.0.45 or 8.4.9 failed due [ERROR] [MY-013135] and [Warning] [MY-014078] |
| 120340 | 2026-04-24 9:13 | 2026-06-04 8:42 | MySQL Server | Open (18 days) | S2 | 8.0.43 (MySQL Community Server - GPL) | Any | Any | Inconsistent evaluation of NULLIF(ROUND(VAR_SAMP(...)), const) <= value between MySQL and PostgreSQL/DuckDB causes diffe |
| 120285 | 2026-04-18 15:49 | 2026-04-18 15:54 | MySQL Server: Optimizer | Open (65 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)) | Materialized Semijoin + Outer ORDER BY Loses Rows for Correlated EXISTS,Causing Plan-Dependent Result Divergence |
| 120191 | 2026-03-31 13:32 | 2026-06-04 8:41 | MySQL Server | Open (18 days) | S2 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | TLP bug: Incorrect result under Ternary Logic Partitioning (TLP) with complex RIGHT JOIN chains |
| 120190 | 2026-03-31 13:04 | 2026-06-04 8:40 | MySQL Server | Open (18 days) | S2 | 8.0.43 (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 |
| 120189 | 2026-03-31 12:43 | 2026-06-04 8:40 | MySQL Server | Open (18 days) | S2 | 8.0.43 (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 |
| 120188 | 2026-03-31 12:00 | 2026-03-31 12:24 | MySQL Server | Open (83 days) | S3 | 9.6, 8.0.45 | Any | Any | Executing the EXPLAIN ANALYZE statement in a loop within a stored procedure triggers a error |
| 120187 | 2026-03-31 11:46 | 2026-06-04 8:40 | MySQL Server | Open (18 days) | S2 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | Bug: COUNT(*) vs SUM(CASE WHEN ...) returns inconsistent results with NULL-sensitive joins |
| 120183 | 2026-03-30 21:14 | 2026-03-30 21:14 | MySQL Server: General | Open | S3 | Any | Any | Contribution: Consolidate duplicated cmake flags in MySQL RPM spec using sh ... | |
| 120182 | 2026-03-30 21:14 | 2026-03-30 21:14 | MySQL Server: General | Open | S3 | Any | Any | Contribution: Consolidate duplicated cmake flags in MySQL DEB packaging usi ... | |
| 120180 | 2026-03-30 13:32 | 2026-06-04 8:39 | MySQL Server | Open (18 days) | S2 | 8.0.43 (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 |
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