Igor Babaev

Related bugs


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Critical
Confirmed
#914569 Serious performance regression with default settings for Q20 from DBT-3
MariaDB 6
Critical
Fix Committed
#999251 Q13 from DBT3 uses table scan instead of covering index scan
MariaDB 6
Critical
Fix Committed
#1002564 Wrong result for a lookup query from a heap table
MariaDB 6
Critical
Fix Committed
#1008293 SET key_cache_segments leads to crashes in get_partitioned_key_cache_statistics, or safe_mutex_lock, or partitioned_key_cache_statistics
MariaDB 12
High
In Progress
#637962 Considerable performance regression on certain queries in maria-5.1-wl24
MariaDB 6
High
Confirmed
#825075 Wrong result with GROUP BY + multipart key + MIN/MAX loose scan
MariaDB 6
High
In Progress
#929838 Downport of InnoDB/ICP from mysql 5.6 increased Innodb_buffer_pool_read_requests
MariaDB 8
High
In Progress
#992942 Wrong result with enabled index condition pushdown and disabled subquery materialization.
MariaDB 12
High
Confirmed
#993718 Wrong result from a query with GROUP BY, ORDER BY and LIMIT
MariaDB 6
High
New
#998340 Valgrind complains on simple selects containing expression DAY(FROM_UNIXTIME(-1))
MariaDB 6
High
Confirmed
#1002126 Assertion abort on SELECT @user_var
MariaDB 6
High
Confirmed
#1002546 Wrong result from a query with an empty derived table
MariaDB 6
Medium
Confirmed
#770012 Optimizer chooses a suboptimal plan for a join
MariaDB 6
Medium
Confirmed
#884636 No conversion of outer join into inner join when a view is used
MariaDB 6
Medium
Confirmed
#992947 Wrong error message when attempting to create a view for a database that does not exists
MariaDB 6
Medium
Fix Committed
#993103 Wrong result with LAST_DAY('0000-00-00 00:00:00') IS NULL in WHERE condition
MariaDB 6
Medium
Confirmed
#1001092 Query with GROUP BY returns an extra row
MariaDB 6
Medium
Confirmed
#1002108 Wrong result from a query with duplicated field in the group list and a limit clause
MariaDB 6
Medium
Confirmed
#1002131 Unexpected warning emitted when inserting into a float number
MariaDB 6
Medium
Confirmed
#1002139 Unsorted result for query with ORDER BY if ref_or_null access is used
MariaDB 6
Medium
Confirmed
#1002146 Unneeded filesort when executing a GROUP BY query
MariaDB 6
Medium
Confirmed
#1002162 Temporary MERGE table with temporary underlying is broken by ALTER
MariaDB 6
Medium
Confirmed
#1002508 The number of expected rows to be examined is off for a query with ORDER BY
MariaDB 6
Medium
Fix Committed
#1058071 crash with small join_buffer_size
MariaDB 6
Low
Confirmed
#731069 Needless look-ups for NULL keys in equi-joins
MariaDB 6
Low
Confirmed
#882981 Query that violates ONLY_FULL_GROUP by is accepted under derived_merge=on
MariaDB 6
Low
In Progress
#921773 Suboptimal plan chosen for Q16 of a MyISAM DBT-3 database
MariaDB 6
Low
Confirmed
#927458 The optimizer does not use ref access to the tables of a dependent subquery if ref is built over outer fields.
MariaDB 6
Undecided
Confirmed
#666347 Valgrind warnings around create_sort_index()
MariaDB 6
Undecided
New
#686353 2.7x performance regression with correlated indexes and sort_intersection in maria-5.1-wl21
MariaDB 6
Undecided
New
#789796 mtr errors with index_intersect_innodb
MariaDB 6
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