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MDEV-17484: New defaults for eq_range_index_dive_limit in 10.4

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The default value for eq_range_index_dive_limit is set to 10
This commit is contained in:
Varun Gupta
2019-02-01 23:43:38 +05:30
parent 923415ffdb
commit 74eb4fc9fc
5 changed files with 11 additions and 11 deletions
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6
mysql-test/suite/sys_vars/r/sysvars_server_embedded.result
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@ -881,10 +881,10 @@ ENUM_VALUE_LIST NULL
READ_ONLY NO
COMMAND_LINE_ARGUMENT NULL
VARIABLE_NAME EQ_RANGE_INDEX_DIVE_LIMIT
SESSION_VALUE 0
GLOBAL_VALUE 0
SESSION_VALUE 10
GLOBAL_VALUE 10
GLOBAL_VALUE_ORIGIN COMPILE-TIME
DEFAULT_VALUE 0
DEFAULT_VALUE 10
VARIABLE_SCOPE SESSION
VARIABLE_TYPE INT UNSIGNED
VARIABLE_COMMENT The optimizer will use existing index statistics instead of doing index dives for equality ranges if the number of equality ranges for the index is larger than or equal to this number. If set to 0, index dives are always used.