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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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9
mysql-test/suite/innodb/r/innodb-index-online.result
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@ -123,6 +123,8 @@ ERROR 23000: Duplicate entry '4' for key 'c2'
ALTER TABLE t1 STATS_PERSISTENT=1;
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze Warning Engine-independent statistics are not collected for column 'c3'
test.t1 analyze status OK
UPDATE mysql.innodb_index_stats SET stat_value = 5
WHERE database_name = 'test' AND table_name= 't1' AND index_name = 'PRIMARY'
@ -141,6 +143,9 @@ ALTER TABLE t1_c2_stats ENGINE=INNODB;
DROP INDEX c2 ON t1;
ANALYZE TABLE t1_c2_stats;
Table Op Msg_type Msg_text
test.t1_c2_stats analyze status Engine-independent statistics collected
test.t1_c2_stats analyze Note Data truncated for column 'avg_length' at row 1
test.t1_c2_stats analyze Note Data truncated for column 'nulls_ratio' at row 1
test.t1_c2_stats analyze status OK
SELECT * FROM mysql.innodb_index_stats WHERE table_name IN ('t1', 't1_c2_stats');
database_name table_name index_name last_update stat_name stat_value sample_size stat_description
@ -184,9 +189,11 @@ INSERT INTO t1 SELECT 20 + c1, c2, c3 FROM t1;
INSERT INTO t1 SELECT 40 + c1, c2, c3 FROM t1;
EXPLAIN SELECT COUNT(*) FROM t1 WHERE c2 > 3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 80 Using where
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using where
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze Warning Engine-independent statistics are not collected for column 'c3'
test.t1 analyze status OK
connection con1;
UPDATE t1_c2_stats SET index_name = 'c2d';