Showing 1-10 of 97 (Edit, Save, CSV, Feed) Show Next 10 Entries »
ID# Date Updated Type Status Sev Version OS CPU Summary
81132005-01-24
15:43
2018-09-09
20:45
MySQL Server: OptimizerVerified
(5337 days)
S55.0, 5.1, azalea bzrAnyAnySelect with between optimization
242512006-11-13
10:58
2018-09-09
20:45
MySQL Server: OptimizerIn progress
(5240 days)
S55.0.30-BK, 5.1.12Linux (Linux, Win XP SP2)AnyNon-optimal choice of indexes for queries
247702006-12-02
0:37
2018-09-09
20:45
MySQL Server: OptimizerIn progress
(4757 days)
S55.1Any (all)Anyupdate with subquery slow
268322007-03-04
18:17
2011-04-05
14:46
MySQL Server: OptimizerVerified
(4742 days)
S55.5AnyAnyENUM types not optimized
303422007-08-09
18:52
2015-10-07
14:54
MySQL Server: OptimizerVerified
(3096 days)
S55.0.37, 5.6.17AnyAnyEquality propagation can make optimization much slower
333812007-12-19
19:27
2018-09-09
20:45
MySQL Server: Data TypesVerified
(5288 days)
S55.0.45, 5.0.52, 5.1.40LinuxAnyTemporary table created on disk when it should be in ram
343102008-02-05
14:51
2018-09-09
20:45
MySQL Server: OptimizerVerified
(3754 days)
S55.0.51a-log, 5.0.54, 5.6.14LinuxAnyOptimizer is inefficient by using ORDER BY function() and LIMIT
385502008-08-04
21:47
2018-09-09
20:45
MySQL Server: OptimizerVerified
(5643 days)
S55.0.60, 5.1AnyAnymultiple optimizer bugs for queries with references from preceding table
412202008-12-04
9:59
2018-09-09
20:45
MySQL Server: OptimizerVerified
(5337 days)
S55.1.30, 5.0, 5.1, azalea bzrAnyAnyLEFT JOIN with compound clause uses table scan, while INNER JOIN uses indexes
418712009-01-05
15:47
2018-09-09
20:45
MySQL Server: MyISAM storage engineVerified
(5292 days)
S55.1.30Any (MS Windows, Mac OS X)AnySelect + Index + Limit + offset on large MyIsam tables give very bad performance
  Showing 1-10 of 97 (Edit, Save, CSV, Feed) Show Next 10 Entries »