diff options
Diffstat (limited to 'mysql-test/main/stat_tables.result')
| -rw-r--r-- | mysql-test/main/stat_tables.result | 113 |
1 files changed, 94 insertions, 19 deletions
diff --git a/mysql-test/main/stat_tables.result b/mysql-test/main/stat_tables.result index 9a5c023a72f..56efb53aab9 100644 --- a/mysql-test/main/stat_tables.result +++ b/mysql-test/main/stat_tables.result @@ -64,12 +64,12 @@ and r_name = 'AMERICA' and o_orderdate >= date '1995-01-01' group by n_name order by revenue desc; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE orders range PRIMARY,i_o_orderdate,i_o_custkey i_o_orderdate 4 NULL 179 Using where; Using temporary; Using filesort -1 SIMPLE customer eq_ref PRIMARY,i_c_nationkey PRIMARY 4 dbt3_s001.orders.o_custkey 1 Using where -1 SIMPLE nation eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.customer.c_nationkey 1 -1 SIMPLE region ALL PRIMARY NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join) +1 SIMPLE region ALL PRIMARY NULL NULL NULL 5 Using where; Using temporary; Using filesort +1 SIMPLE nation ref PRIMARY,i_n_regionkey i_n_regionkey 5 dbt3_s001.region.r_regionkey 5 +1 SIMPLE supplier ref PRIMARY,i_s_nationkey i_s_nationkey 5 dbt3_s001.nation.n_nationkey 1 +1 SIMPLE customer ref PRIMARY,i_c_nationkey i_c_nationkey 5 dbt3_s001.nation.n_nationkey 6 +1 SIMPLE orders ref PRIMARY,i_o_orderdate,i_o_custkey i_o_custkey 5 dbt3_s001.customer.c_custkey 15 Using where 1 SIMPLE lineitem ref PRIMARY,i_l_suppkey,i_l_orderkey,i_l_orderkey_quantity PRIMARY 4 dbt3_s001.orders.o_orderkey 4 Using where -1 SIMPLE supplier eq_ref PRIMARY,i_s_nationkey PRIMARY 4 dbt3_s001.lineitem.l_suppkey 1 Using where 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 @@ -80,7 +80,7 @@ and r_name = 'AMERICA' and o_orderdate >= date '1995-01-01' group by n_name order by revenue desc; n_name revenue -PERU 321915.8715 +PERU 321915.87150000007 ARGENTINA 69817.1451 set optimizer_switch=@save_optimizer_switch; delete from mysql.index_stats; @@ -171,12 +171,12 @@ and r_name = 'AMERICA' and o_orderdate >= date '1995-01-01' group by n_name order by revenue desc; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE orders range PRIMARY,i_o_orderdate,i_o_custkey i_o_orderdate 4 NULL 179 Using where; Using temporary; Using filesort -1 SIMPLE customer eq_ref PRIMARY,i_c_nationkey PRIMARY 4 dbt3_s001.orders.o_custkey 1 Using where -1 SIMPLE nation eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.customer.c_nationkey 1 -1 SIMPLE region ALL PRIMARY NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join) +1 SIMPLE region ALL PRIMARY NULL NULL NULL 5 Using where; Using temporary; Using filesort +1 SIMPLE nation ref PRIMARY,i_n_regionkey i_n_regionkey 5 dbt3_s001.region.r_regionkey 5 +1 SIMPLE supplier ref PRIMARY,i_s_nationkey i_s_nationkey 5 dbt3_s001.nation.n_nationkey 1 +1 SIMPLE customer ref PRIMARY,i_c_nationkey i_c_nationkey 5 dbt3_s001.nation.n_nationkey 6 +1 SIMPLE orders ref PRIMARY,i_o_orderdate,i_o_custkey i_o_custkey 5 dbt3_s001.customer.c_custkey 15 Using where 1 SIMPLE lineitem ref PRIMARY,i_l_suppkey,i_l_orderkey,i_l_orderkey_quantity PRIMARY 4 dbt3_s001.orders.o_orderkey 4 Using where -1 SIMPLE supplier eq_ref PRIMARY,i_s_nationkey PRIMARY 4 dbt3_s001.lineitem.l_suppkey 1 Using where 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 @@ -187,7 +187,7 @@ and r_name = 'AMERICA' and o_orderdate >= date '1995-01-01' group by n_name order by revenue desc; n_name revenue -PERU 321915.8715 +PERU 321915.87150000007 ARGENTINA 69817.1451 set optimizer_switch=@save_optimizer_switch; EXPLAIN select o_year, @@ -207,14 +207,14 @@ and o_orderdate between date '1995-01-01' and date '1996-12-31' group by o_year order by o_year; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE orders ALL PRIMARY,i_o_orderdate,i_o_custkey NULL NULL NULL 1500 Using where; Using temporary; Using filesort -1 SIMPLE customer eq_ref PRIMARY,i_c_nationkey PRIMARY 4 dbt3_s001.orders.o_custkey 1 Using where -1 SIMPLE n1 eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.customer.c_nationkey 1 -1 SIMPLE region ALL PRIMARY NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join) -1 SIMPLE lineitem ref PRIMARY,i_l_suppkey_partkey,i_l_partkey,i_l_suppkey,i_l_orderkey,i_l_orderkey_quantity PRIMARY 4 dbt3_s001.orders.o_orderkey 4 Using where -1 SIMPLE part eq_ref PRIMARY PRIMARY 4 dbt3_s001.lineitem.l_partkey 1 Using where +1 SIMPLE region ALL PRIMARY NULL NULL NULL 5 Using where; Using temporary; Using filesort +1 SIMPLE part ALL PRIMARY NULL NULL NULL 200 Using where; Using join buffer (flat, BNL join) +1 SIMPLE lineitem ref PRIMARY,i_l_suppkey_partkey,i_l_partkey,i_l_suppkey,i_l_orderkey,i_l_orderkey_quantity i_l_suppkey_partkey 5 dbt3_s001.part.p_partkey 30 Using index condition 1 SIMPLE supplier eq_ref PRIMARY,i_s_nationkey PRIMARY 4 dbt3_s001.lineitem.l_suppkey 1 Using where 1 SIMPLE n2 eq_ref PRIMARY PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 +1 SIMPLE orders eq_ref PRIMARY,i_o_orderdate,i_o_custkey PRIMARY 4 dbt3_s001.lineitem.l_orderkey 1 Using where +1 SIMPLE customer eq_ref PRIMARY,i_c_nationkey PRIMARY 4 dbt3_s001.orders.o_custkey 1 +1 SIMPLE n1 ref PRIMARY,i_n_regionkey i_n_regionkey 5 dbt3_s001.region.r_regionkey 5 Using where select o_year, sum(case when nation = 'UNITED STATES' then volume else 0 end) / sum(volume) as mkt_share @@ -587,10 +587,29 @@ explain SELECT * FROM INFORMATION_SCHEMA.PROFILING, mysql.user; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE PROFILING ALL NULL NULL NULL NULL NULL -1 SIMPLE user ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) +1 SIMPLE global_priv ALL NULL NULL NULL NULL 4 Using join buffer (flat, BNL join) set @@optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity; set use_stat_tables=@save_use_stat_tables; # +# MDEV-17734: AddressSanitizer: use-after-poison in create_key_parts_for_pseudo_indexes +# +set @@use_stat_tables= PREFERABLY; +set @save_optimizer_use_condition_selectivity= @@optimizer_use_condition_selectivity; +set @@optimizer_use_condition_selectivity=4; +set @save_use_stat_tables= @@use_stat_tables; +create table t1 (a int, b int); +insert into t1(a,b) values (1,2),(1,3),(1,4),(1,5),(2,6),(2,7),(3,8),(3,9),(3,9),(4,10); +analyze table t1 persistent for columns (a) indexes (); +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +select * from t1 where a=1 and b=3; +a b +1 3 +set @@optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; +set use_stat_tables=@save_use_stat_tables; +drop table t1; +# # MDEV-16711:CREATE OR REPLACE TABLE introducing BLOB column # SET use_stat_tables= PREFERABLY; @@ -606,3 +625,59 @@ MAX(pk) NULL DROP TABLE t1; set use_stat_tables=@save_use_stat_tables; +# +# MDEV-17255: New optimizer defaults and ANALYZE TABLE +# +create table t1 (a int, b int); +insert into t1(a,b) values (1,2),(1,3),(1,4),(1,5),(2,6),(2,7),(3,8),(3,9),(3,9),(4,10); +set use_stat_tables= preferably_for_queries; +# +# with use_stat_tables= PREFERABLY_FOR_QUERIES +# analyze table t1 will not collect statistics +# +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status OK +select * from mysql.column_stats; +db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram +analyze +select * from t1 where a = 1 and b=3; +id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10.00 100.00 10.00 Using where +# +# with use_stat_tables= PREFERABLY_FOR_QUERIES +# analyze table t1 will collect statistics if we use PERSISTENT +# for columns, indexes or everything +# +analyze table t1 persistent for columns (a) indexes (); +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status Table is already up to date +select * from mysql.column_stats; +db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram +test t1 a 1 4 0.0000 4.0000 2.5000 0 NULL NULL +# filtered shows that we used the data from stat tables +analyze +select * from t1 where a = 1 and b=3; +id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10.00 25.00 10.00 Using where +# +# with use_stat_tables= PREFERABLY +# analyze table t1 will collect statistics +# +set use_stat_tables=PREFERABLY; +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status Table is already up to date +select * from mysql.column_stats; +db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram +test t1 a 1 4 0.0000 4.0000 2.5000 0 NULL NULL +test t1 b 2 10 0.0000 4.0000 1.1111 0 NULL NULL +# filtered shows that we used the data from stat tables +analyze +select * from t1 where a=1 and b=3; +id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10.00 2.78 10.00 Using where +drop table t1; +set use_stat_tables=@save_use_stat_tables; |