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MDEV-15253: Default optimizer setting changes for MariaDB 10.4

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use_stat_tables= PREFERABLY
optimizer_use_condition_selectivity= 4
This commit is contained in:
Varun Gupta
2018-05-31 15:51:59 +05:30
committed by Varun Gupta
parent a25ce5ab4b
commit 93c360e3a5
248 changed files with 3685 additions and 1747 deletions
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6
mysql-test/suite/sys_vars/r/myisam_stats_method_func.result
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@ -20,6 +20,7 @@ INSERT INTO t1 SELECT NULL FROM t1;
SET myisam_stats_method = nulls_unequal;
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
@ -38,6 +39,7 @@ INSERT INTO t1 VALUES (11);
DELETE FROM t1 WHERE a = 11;
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
@ -49,7 +51,7 @@ Table Op Msg_type Msg_text
test.t1 check status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 1 a 1 a A 5 NULL NULL YES BTREE
t1 1 a 1 a A 10 NULL NULL YES BTREE
'Set nulls to be ignored'
SET myisam_stats_method = nulls_ignored;
SHOW VARIABLES LIKE 'myisam_stats_method';
@ -66,6 +68,7 @@ INSERT INTO t1 VALUES ('bce','def1', 'yuu', NULL);
INSERT INTO t1 VALUES ('bce','def2', NULL, 'quux');
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
@ -76,6 +79,7 @@ t1 1 a 4 d A 4 NULL NULL YES BTREE
DELETE FROM t1;
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
SHOW INDEX FROM t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment