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derive index filters for mv index paths
sig/planner
SIG: Planner
type/enhancement
#54876
opened Jul 24, 2024 by
time-and-fate
optimal range is not built for Customers have encountered this bug.
sig/planner
SIG: Planner
type/enhancement
(a,b) in ((1,1),(2,2)) and c >= 10 and c <= 50
on (b,c)
index
report/customer
#54454
opened Jul 4, 2024 by
time-and-fate
large overestimation when where conditions contain OR and matches several indexes with different selectivity
affects-5.4
This bug affects 5.4.x versions.
affects-6.1
affects-6.5
affects-7.1
affects-7.5
affects-8.1
sig/planner
SIG: Planner
type/enhancement
#54323
opened Jun 28, 2024 by
time-and-fate
Limit executor can't finish SIG execution
type/enhancement
Close()
quickly after reading required rows
sig/execution
#50377
opened Jan 12, 2024 by
time-and-fate
Make the row count estimation for SIG: Planner
type/enhancement
Range
able to make use more stats when stats on this index are unavailable
sig/planner
#46375
opened Aug 24, 2023 by
time-and-fate
Avoid unnecessary trigger loading statistics
sig/planner
SIG: Planner
type/enhancement
#46374
opened Aug 24, 2023 by
time-and-fate
tidb can't use range scan when using SIG: Planner
type/enhancement
BETWEEN '1' AND '2'
filter on single column int primary key
sig/planner
#45149
opened Jul 4, 2023 by
time-and-fate
TiDB reports This issue is related to Table Partition of TiDB.
sig/sql-infra
SIG: SQL Infra
type/enhancement
Unknown partition ...
error when running the same TRUNCATE PARTITION
stmt concurrently
component/tablepartition
#45111
opened Jul 2, 2023 by
time-and-fate
Correct the row count used to calculate the index lookup index side cost when offset is large
epic/cost-model
the optimizer cost model
sig/planner
SIG: Planner
type/enhancement
#45077
opened Jun 30, 2023 by
time-and-fate
try to download a nonexistent plan replayer file will cause panic when tidb running on unistore
severity/moderate
sig/planner
SIG: Planner
type/bug
This issue is a bug.
#43623
opened May 8, 2023 by
time-and-fate
plan replayer dump from SQL file can't handle SIG: Planner
type/bug
This issue is a bug.
;
in the SQL
severity/moderate
sig/planner
#43621
opened May 8, 2023 by
time-and-fate
Improve the method of estimating the table scan tasks for index lookup
sig/planner
SIG: Planner
type/enhancement
#43503
opened Apr 28, 2023 by
time-and-fate
Record detailed diagnostic information during query optimization and dump to plan replayer
sig/planner
SIG: Planner
type/enhancement
#43069
opened Apr 14, 2023 by
time-and-fate
Escape the strings in the execution plan to make it easier to understand
sig/planner
SIG: Planner
type/enhancement
#43045
opened Apr 13, 2023 by
time-and-fate
Add This issue is related to Table Partition of TiDB.
type/enhancement
PARTITION_NAME
column to TABLE_STORAGE_STATS
system table
component/tablepartition
#42860
opened Apr 7, 2023 by
time-and-fate
let plan replayer sql return proper information even when it meets error
sig/planner
SIG: Planner
type/enhancement
#42495
opened Mar 22, 2023 by
time-and-fate
panic or wrong results when db or index name contains SIG: SQL Infra
type/bug
This issue is a bug.
:
when reading from slow_query
table
affects-8.1
severity/moderate
sig/sql-infra
#39940
opened Dec 14, 2022 by
time-and-fate
PhysicalLimit
should always be pushed down when possible
severity/minor
sig/planner
#39839
opened Dec 12, 2022 by
time-and-fate
Record COM_STMT_PREPARE, COM_STMT_CLOSE... into the general log
type/enhancement
#37723
opened Sep 8, 2022 by
time-and-fate
Consider filter condition of index access path in skyline pruning
epic/cardinality-estimation
the optimizer cardinality estimation
sig/planner
SIG: Planner
type/enhancement
#37689
opened Sep 7, 2022 by
time-and-fate
Build join instead of apply for non-correlated subquery
sig/planner
SIG: Planner
type/enhancement
#37522
opened Aug 31, 2022 by
time-and-fate
Make PointGet/BatchPointGet support parallel apply
sig/planner
SIG: Planner
type/enhancement
#34874
opened May 22, 2022 by
time-and-fate
Items in slow log file may not be ordered by time
type/enhancement
#34381
opened May 5, 2022 by
time-and-fate
improve cardinality estimation of the optimizer
sig/planner
SIG: Planner
type/enhancement
#32758
opened Mar 2, 2022 by
time-and-fate
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