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ID# Date Updated Type Status Sev Version OS CPU Summary
1101112023-02-17
12:53
2023-02-20
12:35
MySQL Server: OptimizerVerified
(819 days)
S58.0.31AnyAnyOptimizer chooses worst plan when index condition pushdown opportunity
1108482023-04-27
15:04
2023-05-03
9:59
MySQL Server: OptimizerVerified
(747 days)
S58.0.28, 8.0.33AnyAnymissing considering on order by and limit clause in cost calculation
1114312023-06-15
8:47
2023-06-26
14:48
MySQL Server: OptimizerVerified
(704 days)
S38.0.33Ubuntu (22.04)Other (x86_64)condition_fanout_filter optimizer wrong result?
1129022023-10-31
14:39
2024-06-10
11:08
MySQL Server: OptimizerVerified
(448 days)
S58.0.31, 8.0.35Linux (n.a.)x86 (x86_64)Optimizer in MySQL 8 is significantly slower on dependent subqueries than 5.7
1158152024-08-12
2:56
2024-08-12
8:03
MySQL Server: OptimizerVerified
(280 days)
S28.4.2AnyAnyContribute by tencent: EXPLAIN FORMAT=TREE Incorrectly Shows Cost of Statement
1163352024-10-10
16:53
2024-10-11
8:04
MySQL Server: OptimizerVerified
(220 days)
S58.0.39AnyAnyMulti-valued index isn't used with some range scans on composite indexes
1167102024-11-19
12:47
2024-11-20
11:02
MySQL Server: OptimizerVerified
(180 days)
S38.0AnyAnyexplain shows wrong cost value
1169372024-12-11
8:25
2024-12-11
15:33
MySQL Server: OptimizerVerified
(159 days)
S38.0, 8.0.40AnyAnyestimation of REF is modified by index diving of INDEX MERGE
1171642025-01-09
6:17
2025-01-09
7:08
MySQL Server: OptimizerVerified
(130 days)
S38.0.36, 8.0.40AnyAnyRange estimation (index dives) overestimates the rows count on large ranges. It almost doubles the actual number of rows
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