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Support of the extended syntax for ANALYZE.

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This commit is contained in:
Igor Babaev
2012-05-22 20:55:07 -07:00
parent 2a1afc29f2
commit 055477ae52
7 changed files with 255 additions and 16 deletions
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59
mysql-test/r/statistics.result
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@ -219,6 +219,65 @@ WHERE t1.e IS NOT NULL AND t1.b IS NOT NULL AND t1.d IS NOT NULL)
AS 'ARITY 3';
ARITY 1 ARITY 2 ARITY 3
6.2000 1.6875 1.1304
DELETE FROM mysql.table_stat;
DELETE FROM mysql.column_stat;
DELETE FROM mysql.index_stat;
ANALYZE TABLE t1 PERSISTENT FOR COLUMNS() INDEXES();
Table Op Msg_type Msg_text
test.t1 analyze status Table is already up to date
SELECT * FROM table_stat;
db_name table_name cardinality
test t1 40
SELECT * FROM column_stat;
db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency
SELECT * FROM index_stat;
db_name table_name index_name prefix_arity avg_frequency
ANALYZE TABLE t1 PERSISTENT FOR COLUMNS(c,e,b) INDEXES(idx2,idx4);
Table Op Msg_type Msg_text
test.t1 analyze status Table is already up to date
SELECT * FROM table_stat;
db_name table_name cardinality
test t1 40
SELECT * FROM column_stat;
db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency
test t1 b vvvvvvvvvvvvv zzzzzzzzzzzzzzzzzz 0.2000 17.1250 6.4000
test t1 c aaaa dddddddd 0.1250 6.6571 7.0000
test t1 e 0.01 0.112 0.2250 8.0000 6.2000
SELECT * FROM index_stat;
db_name table_name index_name prefix_arity avg_frequency
test t1 idx2 1 7.0000
test t1 idx2 2 2.3846
test t1 idx4 1 6.2000
test t1 idx4 2 1.6875
test t1 idx4 3 1.1304
DELETE FROM mysql.table_stat;
DELETE FROM mysql.column_stat;
DELETE FROM mysql.index_stat;
ANALYZE TABLE t1 PERSISTENT FOR COLUMNS ALL INDEXES ALL;
Table Op Msg_type Msg_text
test.t1 analyze status Table is already up to date
SELECT * FROM table_stat;
db_name table_name cardinality
test t1 40
SELECT * FROM column_stat;
db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency
test t1 a 0 49 0.0000 4.0000 1.0000
test t1 b vvvvvvvvvvvvv zzzzzzzzzzzzzzzzzz 0.2000 17.1250 6.4000
test t1 c aaaa dddddddd 0.1250 6.6571 7.0000
test t1 d 1989-03-12 1999-07-23 0.1500 3.0000 8.5000
test t1 e 0.01 0.112 0.2250 8.0000 6.2000
test t1 f 1 5 0.2000 1.0000 6.4000
SELECT * FROM index_stat;
db_name table_name index_name prefix_arity avg_frequency
test t1 PRIMARY 1 1.0000
test t1 idx1 1 6.4000
test t1 idx1 2 1.6875
test t1 idx2 1 7.0000
test t1 idx2 2 2.3846
test t1 idx3 1 8.5000
test t1 idx4 1 6.2000
test t1 idx4 2 1.6875
test t1 idx4 3 1.1304
CREATE TABLE t2 LIKE t1;
ALTER TABLE t2 ENGINE=InnoDB;
INSERT INTO t2 SELECT * FROM t1;