diff options
Diffstat (limited to 'mysql-test/main/stat_tables.test')
| -rw-r--r-- | mysql-test/main/stat_tables.test | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/mysql-test/main/stat_tables.test b/mysql-test/main/stat_tables.test new file mode 100644 index 00000000000..4cbaa9e27c8 --- /dev/null +++ b/mysql-test/main/stat_tables.test @@ -0,0 +1,308 @@ +--source include/have_stat_tables.inc + +select @@global.use_stat_tables; +select @@session.use_stat_tables; + +set @save_use_stat_tables=@@use_stat_tables; + +set use_stat_tables='preferably'; + +--disable_warnings +DROP DATABASE IF EXISTS dbt3_s001; +--enable_warnings + +CREATE DATABASE dbt3_s001; + +use dbt3_s001; + +set @save_optimizer_switch=@@optimizer_switch; +set optimizer_switch='extended_keys=off'; + +--disable_query_log +--disable_result_log +--disable_warnings +--source include/dbt3_s001.inc +create index i_p_retailprice on part(p_retailprice); +delete from mysql.table_stats; +delete from mysql.column_stats; +delete from mysql.index_stats; +ANALYZE TABLE +customer, lineitem, nation, orders, part, partsupp, region, supplier; +FLUSH TABLE mysql.table_stats, mysql.index_stats; +--enable_warnings +--enable_result_log +--enable_query_log + +select * from mysql.table_stats; +select * from mysql.index_stats; + +set optimizer_switch=@save_optimizer_switch; + +set @save_optimizer_switch=@@optimizer_switch; +set optimizer_switch='index_condition_pushdown=off'; + +let $Q5= +select n_name, sum(l_extendedprice * (1 - l_discount)) as revenue +from customer, orders, lineitem, supplier, nation, region +where c_custkey = o_custkey and l_orderkey = o_orderkey + and l_suppkey = s_suppkey and c_nationkey = s_nationkey + and s_nationkey = n_nationkey and n_regionkey = r_regionkey + and r_name = 'AMERICA' and o_orderdate >= date '1995-01-01' + and o_orderdate < date '1995-01-01' + interval '1' year +group by n_name +order by revenue desc; + +eval EXPLAIN $Q5; +eval $Q5; + +set optimizer_switch=@save_optimizer_switch; + +delete from mysql.index_stats; + +--disable_query_log +--disable_result_log +--disable_warnings +ANALYZE TABLE +customer, lineitem, nation, orders, part, partsupp, region, supplier; +FLUSH TABLE mysql.table_stats, mysql.index_stats; +--enable_warnings +--enable_result_log +--enable_query_log + +select * from mysql.table_stats; +select * from mysql.index_stats; + +select * from mysql.table_stats where table_name='orders'; +select * from mysql.index_stats where table_name='orders'; +select (select cardinality from mysql.table_stats where table_name='orders') / + (select avg_frequency from mysql.index_stats + where index_name='i_o_orderdate' and prefix_arity=1) as n_distinct; +select count(distinct o_orderdate) from orders; +select (select cardinality from mysql.table_stats where table_name='orders') / + (select avg_frequency from mysql.index_stats + where index_name='i_o_custkey' and prefix_arity=1) as n_distinct; +select count(distinct o_custkey) from orders; +show index from orders; +select index_name, column_name, cardinality from information_schema.statistics + where table_name='orders'; + +set @save_optimizer_switch=@@optimizer_switch; +set optimizer_switch='index_condition_pushdown=off'; + +eval EXPLAIN $Q5; +eval $Q5; + +set optimizer_switch=@save_optimizer_switch; + +let $Q8= +select o_year, + sum(case when nation = 'UNITED STATES' then volume else 0 end) / + sum(volume) as mkt_share +from (select extract(year from o_orderdate) as o_year, + l_extendedprice * (1-l_discount) as volume, + n2.n_name as nation + from part, supplier, lineitem, orders, customer, + nation n1, nation n2, region + where p_partkey = l_partkey and s_suppkey = l_suppkey + and l_orderkey = o_orderkey and o_custkey = c_custkey + and c_nationkey = n1.n_nationkey and n1.n_regionkey = r_regionkey + and r_name = 'AMERICA' and s_nationkey = n2.n_nationkey + and o_orderdate between date '1995-01-01' and date '1996-12-31' + and p_type = 'STANDARD BRUSHED STEEL' ) as all_nations +group by o_year +order by o_year; + +eval EXPLAIN $Q8; +eval $Q8; + + +let $Q9= +select nation, o_year, sum(amount) as sum_profit +from (select n_name as nation, + extract(year from o_orderdate) as o_year, + l_extendedprice * (1 - l_discount) - ps_supplycost * l_quantity as amount + from part, supplier, lineitem, partsupp, orders, nation + where s_suppkey = l_suppkey and ps_suppkey = l_suppkey + and ps_partkey = l_partkey and p_partkey = l_partkey + and o_orderkey = l_orderkey and s_nationkey = n_nationkey + and p_name like '%green%') as profit +group by nation, o_year +order by nation, o_year desc; + +eval EXPLAIN $Q9; +eval $Q9; + + +set @save_optimizer_switch=@@optimizer_switch; +set optimizer_switch='extended_keys=on'; + +let $QQ1= +select o_orderkey, p_partkey + from part, lineitem, orders + where p_retailprice > 1100 and o_orderdate='1997-01-01' + and o_orderkey=l_orderkey and p_partkey=l_partkey; + +eval EXPLAIN $QQ1; +eval $QQ1; + +set optimizer_switch=@save_optimizer_switch; + + +DROP DATABASE dbt3_s001; + +use test; + +--echo # +--echo # Bug mdev-473: ANALYZE table locked for write +--echo # + +set use_stat_tables='complementary'; + +create table t1 (i int); + +lock table t1 write; +analyze table t1; +alter table t1 add column a varchar(8); + +drop table t1; + +--echo # +--echo # Bug mdev-487: memory leak in ANALYZE with stat tables +--echo # + +SET use_stat_tables = 'preferably'; + +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (1),(2); +DELETE FROM t1 WHERE a=1; + +ANALYZE TABLE t1; + +DROP TABLE t1; + +--echo # +--echo # Bug mdev-518: corrupted/missing statistical tables +--echo # + +CREATE TABLE t1 (i int) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(2); + +FLUSH TABLE t1; +SET use_stat_tables='never'; +EXPLAIN SELECT * FROM t1; + +--move_file $MYSQLTEST_VARDIR/mysqld.1/data/mysql/table_stats.MYD $MYSQLTEST_VARDIR/mysqld.1/data/mysql/table_stats.MYD.save + +FLUSH TABLES; +SET use_stat_tables='preferably'; +--disable_warnings +EXPLAIN SELECT * FROM t1; +--enable_warnings + +# Cleanup +--move_file $MYSQLTEST_VARDIR/mysqld.1/data/mysql/table_stats.MYD.save $MYSQLTEST_VARDIR/mysqld.1/data/mysql/table_stats.MYD +DROP TABLE t1; + +set use_stat_tables=@save_use_stat_tables; + +--echo # +--echo # Bug mdev-5204: invalid impossible where after reading const tables +--echo # when use_stat_tables = 'preferably' +--echo # + +set use_stat_tables = 'preferably'; + +CREATE TABLE t1 (id int PRIMARY KEY) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(2); +ANALYZE TABLE t1; + +CREATE TABLE t2 (name char(3)) ENGINE=MyISAM; +ANALYZE TABLE t2; +INSERT INTO t2 VALUES ('USA'),('AUS'); + +SELECT * FROM t1 STRAIGHT_JOIN t2 WHERE name IN ( 'AUS','YEM' ) AND id = 1; +EXPLAIN +SELECT * FROM t1 STRAIGHT_JOIN t2 WHERE name IN ( 'AUS','YEM' ) AND id = 1; + +ANALYZE TABLE t2; + +SELECT * FROM t1 STRAIGHT_JOIN t2 WHERE name IN ( 'AUS','YEM' ) AND id = 1; +EXPLAIN +SELECT * FROM t1 STRAIGHT_JOIN t2 WHERE name IN ( 'AUS','YEM' ) AND id = 1; + +DROP TABLE t1,t2; + +--echo # +--echo # MDEV-7370: Server deadlocks on renaming a table for which persistent statistics exists +--echo # + +--disable_warnings +drop database if exists db1; +drop database if exists db1; +--enable_warnings + +create database db1; +create database db2; +use db1; +--echo # +--echo # First, run the original testcase: +--echo # +create table t1 (i int); +insert into t1 values (10),(20); +analyze table t1 persistent for all; +rename table t1 to db2.t1; + +--echo # Verify that stats in the old database are gone: +select * from mysql.column_stats where db_name='db1' and table_name='t1'; +select * from mysql.table_stats where db_name='db1' and table_name='t1'; + +--echo # Verify that stats are present in the new database: +select * from mysql.column_stats where db_name='db2' and table_name='t1'; +select * from mysql.table_stats where db_name='db2' and table_name='t1'; + + +--echo # +--echo # Now, try with more than one column and with indexes: +--echo # +use test; +create table t1(a int primary key); +insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); + + +use db1; +create table t2 (a int, b int, c int, key IDX1(a), key IDX2(a,b)); +insert into t2 select a/10, a/2, a from test.t1; +analyze table t2 persistent for all; + +alter table t2 rename db2.t2; + +--echo # Verify that stats in the old database are gone: +select * from mysql.table_stats where db_name='db1' and table_name='t2'; +select * from mysql.column_stats where db_name='db1' and table_name='t2'; +select * from mysql.index_stats where db_name='db1' and table_name='t2'; + +--echo # Verify that stats are present in the new database: +select * from mysql.table_stats where db_name='db2' and table_name='t2'; +select * from mysql.column_stats where db_name='db2' and table_name='t2'; +select * from mysql.index_stats where db_name='db2' and table_name='t2'; + +use db2; +--echo # +--echo # Now, rename within the same database and verify: +--echo # +rename table t2 to t3; +--echo # No stats under old name: +select * from mysql.table_stats where db_name='db2' and table_name='t2'; +select * from mysql.column_stats where db_name='db2' and table_name='t2'; +select * from mysql.index_stats where db_name='db2' and table_name='t2'; +--echo # Stats under the new name: +select * from mysql.table_stats where db_name='db2' and table_name='t3'; +select * from mysql.column_stats where db_name='db2' and table_name='t3'; +select * from mysql.index_stats where db_name='db2' and table_name='t3'; + +use test; +drop database db1; +drop database db2; +drop table t1; + +set use_stat_tables=@save_use_stat_tables; |