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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
commit | 3f619478f796eddbba6e39502fe941b285dd97b1 (patch) | |
tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysql-test/main/stat_tables_innodb.result | |
parent | Initial commit. (diff) | |
download | mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip |
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/main/stat_tables_innodb.result')
-rw-r--r-- | mysql-test/main/stat_tables_innodb.result | 1045 |
1 files changed, 1045 insertions, 0 deletions
diff --git a/mysql-test/main/stat_tables_innodb.result b/mysql-test/main/stat_tables_innodb.result new file mode 100644 index 00000000..bce9e884 --- /dev/null +++ b/mysql-test/main/stat_tables_innodb.result @@ -0,0 +1,1045 @@ +SET SESSION DEFAULT_STORAGE_ENGINE='InnoDB'; +set @save_optimizer_switch_for_stat_tables_test=@@optimizer_switch; +set optimizer_switch='extended_keys=on'; +set @innodb_stats_persistent_save= @@innodb_stats_persistent; +set @innodb_stats_persistent_sample_pages_save= +@@innodb_stats_persistent_sample_pages; +set global innodb_stats_persistent= 1; +set global innodb_stats_persistent_sample_pages=100; +select @@global.use_stat_tables; +@@global.use_stat_tables +COMPLEMENTARY +select @@session.use_stat_tables; +@@session.use_stat_tables +COMPLEMENTARY +set @save_use_stat_tables=@@use_stat_tables; +set @save_histogram_size=@@global.histogram_size; +set @@global.histogram_size=0,@@local.histogram_size=0; +set optimizer_use_condition_selectivity=4; +set use_stat_tables='preferably'; +set @save_histogram_type=@@histogram_type; +set histogram_type='single_prec_hb'; +DROP DATABASE IF EXISTS dbt3_s001; +CREATE DATABASE dbt3_s001; +use dbt3_s001; +set @save_optimizer_switch=@@optimizer_switch; +set optimizer_switch='extended_keys=off'; +select * from mysql.table_stats; +db_name table_name cardinality +dbt3_s001 customer 150 +dbt3_s001 lineitem 6005 +dbt3_s001 nation 25 +dbt3_s001 orders 1500 +dbt3_s001 part 200 +dbt3_s001 partsupp 700 +dbt3_s001 region 5 +dbt3_s001 supplier 10 +select * from mysql.index_stats; +db_name table_name index_name prefix_arity avg_frequency +dbt3_s001 customer PRIMARY 1 1.0000 +dbt3_s001 customer i_c_nationkey 1 6.0000 +dbt3_s001 lineitem PRIMARY 1 4.0033 +dbt3_s001 lineitem PRIMARY 2 1.0000 +dbt3_s001 lineitem i_l_shipdate 1 2.6500 +dbt3_s001 lineitem i_l_suppkey_partkey 1 30.0250 +dbt3_s001 lineitem i_l_suppkey_partkey 2 8.5786 +dbt3_s001 lineitem i_l_partkey 1 30.0250 +dbt3_s001 lineitem i_l_suppkey 1 600.5000 +dbt3_s001 lineitem i_l_receiptdate 1 2.6477 +dbt3_s001 lineitem i_l_orderkey 1 4.0033 +dbt3_s001 lineitem i_l_orderkey_quantity 1 4.0033 +dbt3_s001 lineitem i_l_orderkey_quantity 2 1.0404 +dbt3_s001 lineitem i_l_commitdate 1 2.7160 +dbt3_s001 nation PRIMARY 1 1.0000 +dbt3_s001 nation i_n_regionkey 1 5.0000 +dbt3_s001 orders PRIMARY 1 1.0000 +dbt3_s001 orders i_o_orderdate 1 1.3321 +dbt3_s001 orders i_o_custkey 1 15.0000 +dbt3_s001 part PRIMARY 1 1.0000 +dbt3_s001 part i_p_retailprice 1 1.0000 +dbt3_s001 partsupp PRIMARY 1 3.5000 +dbt3_s001 partsupp PRIMARY 2 1.0000 +dbt3_s001 partsupp i_ps_partkey 1 3.5000 +dbt3_s001 partsupp i_ps_suppkey 1 70.0000 +dbt3_s001 region PRIMARY 1 1.0000 +dbt3_s001 supplier PRIMARY 1 1.0000 +dbt3_s001 supplier i_s_nationkey 1 1.1111 +set optimizer_switch=@save_optimizer_switch; +set @save_optimizer_switch=@@optimizer_switch; +set optimizer_switch='index_condition_pushdown=off'; +EXPLAIN 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; +id select_type table type possible_keys key key_len ref rows Extra +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 Using index +1 SIMPLE customer ref PRIMARY,i_c_nationkey i_c_nationkey 5 dbt3_s001.nation.n_nationkey 6 Using index +1 SIMPLE orders ref|filter PRIMARY,i_o_orderdate,i_o_custkey i_o_custkey|i_o_orderdate 5|4 dbt3_s001.customer.c_custkey 15 (14%) Using where; Using rowid filter +1 SIMPLE lineitem ref PRIMARY,i_l_suppkey,i_l_orderkey,i_l_orderkey_quantity i_l_suppkey 9 dbt3_s001.supplier.s_suppkey,dbt3_s001.orders.o_orderkey 1 +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; +n_name revenue +PERU 321915.87150000007 +ARGENTINA 69817.1451 +set optimizer_switch=@save_optimizer_switch; +delete from mysql.index_stats; +select * from mysql.table_stats; +db_name table_name cardinality +dbt3_s001 customer 150 +dbt3_s001 lineitem 6005 +dbt3_s001 nation 25 +dbt3_s001 orders 1500 +dbt3_s001 part 200 +dbt3_s001 partsupp 700 +dbt3_s001 region 5 +dbt3_s001 supplier 10 +select * from mysql.index_stats; +db_name table_name index_name prefix_arity avg_frequency +dbt3_s001 customer PRIMARY 1 1.0000 +dbt3_s001 customer i_c_nationkey 1 6.0000 +dbt3_s001 customer i_c_nationkey 2 1.0000 +dbt3_s001 lineitem PRIMARY 1 4.0033 +dbt3_s001 lineitem PRIMARY 2 1.0000 +dbt3_s001 lineitem i_l_shipdate 1 2.6500 +dbt3_s001 lineitem i_l_shipdate 2 1.0149 +dbt3_s001 lineitem i_l_shipdate 3 1.0000 +dbt3_s001 lineitem i_l_suppkey_partkey 1 30.0250 +dbt3_s001 lineitem i_l_suppkey_partkey 2 8.5786 +dbt3_s001 lineitem i_l_suppkey_partkey 3 1.0030 +dbt3_s001 lineitem i_l_suppkey_partkey 4 1.0000 +dbt3_s001 lineitem i_l_partkey 1 30.0250 +dbt3_s001 lineitem i_l_partkey 2 1.0089 +dbt3_s001 lineitem i_l_partkey 3 1.0000 +dbt3_s001 lineitem i_l_suppkey 1 600.5000 +dbt3_s001 lineitem i_l_suppkey 2 1.2073 +dbt3_s001 lineitem i_l_suppkey 3 1.0000 +dbt3_s001 lineitem i_l_receiptdate 1 2.6477 +dbt3_s001 lineitem i_l_receiptdate 2 1.0152 +dbt3_s001 lineitem i_l_receiptdate 3 1.0000 +dbt3_s001 lineitem i_l_orderkey 1 4.0033 +dbt3_s001 lineitem i_l_orderkey 2 1.0000 +dbt3_s001 lineitem i_l_orderkey_quantity 1 4.0033 +dbt3_s001 lineitem i_l_orderkey_quantity 2 1.0404 +dbt3_s001 lineitem i_l_orderkey_quantity 3 1.0000 +dbt3_s001 lineitem i_l_commitdate 1 2.7160 +dbt3_s001 lineitem i_l_commitdate 2 1.0364 +dbt3_s001 lineitem i_l_commitdate 3 1.0000 +dbt3_s001 nation PRIMARY 1 1.0000 +dbt3_s001 nation i_n_regionkey 1 5.0000 +dbt3_s001 nation i_n_regionkey 2 1.0000 +dbt3_s001 orders PRIMARY 1 1.0000 +dbt3_s001 orders i_o_orderdate 1 1.3321 +dbt3_s001 orders i_o_orderdate 2 1.0000 +dbt3_s001 orders i_o_custkey 1 15.0000 +dbt3_s001 orders i_o_custkey 2 1.0000 +dbt3_s001 part PRIMARY 1 1.0000 +dbt3_s001 part i_p_retailprice 1 1.0000 +dbt3_s001 part i_p_retailprice 2 1.0000 +dbt3_s001 partsupp PRIMARY 1 3.5000 +dbt3_s001 partsupp PRIMARY 2 1.0000 +dbt3_s001 partsupp i_ps_partkey 1 3.5000 +dbt3_s001 partsupp i_ps_partkey 2 1.0000 +dbt3_s001 partsupp i_ps_suppkey 1 70.0000 +dbt3_s001 partsupp i_ps_suppkey 2 1.0000 +dbt3_s001 region PRIMARY 1 1.0000 +dbt3_s001 supplier PRIMARY 1 1.0000 +dbt3_s001 supplier i_s_nationkey 1 1.1111 +dbt3_s001 supplier i_s_nationkey 2 1.0000 +select * from mysql.table_stats where table_name='orders'; +db_name table_name cardinality +dbt3_s001 orders 1500 +select * from mysql.index_stats where table_name='orders'; +db_name table_name index_name prefix_arity avg_frequency +dbt3_s001 orders PRIMARY 1 1.0000 +dbt3_s001 orders i_o_orderdate 1 1.3321 +dbt3_s001 orders i_o_orderdate 2 1.0000 +dbt3_s001 orders i_o_custkey 1 15.0000 +dbt3_s001 orders i_o_custkey 2 1.0000 +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; +n_distinct +1126.0416 +select count(distinct o_orderdate) from orders; +count(distinct o_orderdate) +1126 +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; +n_distinct +100.0000 +select count(distinct o_custkey) from orders; +count(distinct o_custkey) +100 +show index from orders; +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment Ignored +orders 0 PRIMARY 1 o_orderkey A 1500 NULL NULL BTREE NO +orders 1 i_o_orderdate 1 o_orderDATE A 1126 NULL NULL YES BTREE NO +orders 1 i_o_custkey 1 o_custkey A 100 NULL NULL YES BTREE NO +select index_name, column_name, cardinality from information_schema.statistics +where table_name='orders'; +index_name column_name cardinality +PRIMARY o_orderkey 1500 +i_o_orderdate o_orderDATE 1126 +i_o_custkey o_custkey 100 +set @save_optimizer_switch=@@optimizer_switch; +set optimizer_switch='index_condition_pushdown=off'; +EXPLAIN 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; +id select_type table type possible_keys key key_len ref rows Extra +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 Using index +1 SIMPLE customer ref PRIMARY,i_c_nationkey i_c_nationkey 5 dbt3_s001.nation.n_nationkey 6 Using index +1 SIMPLE orders ref|filter PRIMARY,i_o_orderdate,i_o_custkey i_o_custkey|i_o_orderdate 5|4 dbt3_s001.customer.c_custkey 15 (14%) Using where; Using rowid filter +1 SIMPLE lineitem ref PRIMARY,i_l_suppkey,i_l_orderkey,i_l_orderkey_quantity i_l_suppkey 9 dbt3_s001.supplier.s_suppkey,dbt3_s001.orders.o_orderkey 1 +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; +n_name revenue +PERU 321915.87150000007 +ARGENTINA 69817.1451 +set optimizer_switch=@save_optimizer_switch; +EXPLAIN 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; +id select_type table type possible_keys key key_len ref rows Extra +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_partkey 5 dbt3_s001.part.p_partkey 30 Using where +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 Using where +1 SIMPLE n1 eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.customer.c_nationkey 1 Using where +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; +o_year mkt_share +1995 0.4495521838895718 +1996 0.024585468215352495 +EXPLAIN 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; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE supplier index PRIMARY,i_s_nationkey i_s_nationkey 5 NULL 10 Using where; Using index; Using temporary; Using filesort +1 SIMPLE nation eq_ref PRIMARY PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 +1 SIMPLE partsupp ref PRIMARY,i_ps_partkey,i_ps_suppkey i_ps_suppkey 4 dbt3_s001.supplier.s_suppkey 70 +1 SIMPLE part eq_ref PRIMARY PRIMARY 4 dbt3_s001.partsupp.ps_partkey 1 Using where +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 10 dbt3_s001.partsupp.ps_partkey,dbt3_s001.supplier.s_suppkey 8 +1 SIMPLE orders eq_ref PRIMARY PRIMARY 4 dbt3_s001.lineitem.l_orderkey 1 +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; +nation o_year sum_profit +ARGENTINA 1997 18247.873399999993 +ARGENTINA 1996 7731.089399999995 +ARGENTINA 1995 134490.5697 +ARGENTINA 1994 36767.101500000004 +ARGENTINA 1993 35857.08 +ARGENTINA 1992 35740 +ETHIOPIA 1998 2758.7801999999992 +ETHIOPIA 1997 19419.294599999997 +ETHIOPIA 1995 51231.87439999999 +ETHIOPIA 1994 3578.9478999999974 +ETHIOPIA 1992 1525.8234999999986 +IRAN 1998 37817.229600000006 +IRAN 1997 52643.77359999999 +IRAN 1996 70143.7761 +IRAN 1995 84094.58260000001 +IRAN 1994 18140.925599999995 +IRAN 1993 78655.1676 +IRAN 1992 87142.23960000002 +IRAQ 1998 22860.8082 +IRAQ 1997 93676.24359999999 +IRAQ 1996 45103.3242 +IRAQ 1994 36010.728599999995 +IRAQ 1993 33221.9399 +IRAQ 1992 47755.05900000001 +KENYA 1998 44194.831999999995 +KENYA 1997 57578.36259999999 +KENYA 1996 59195.90210000001 +KENYA 1995 79262.6278 +KENYA 1994 102360.66609999999 +KENYA 1993 128422.0196 +KENYA 1992 181517.2089 +MOROCCO 1998 41797.823199999984 +MOROCCO 1997 23685.801799999994 +MOROCCO 1996 62115.19579999998 +MOROCCO 1995 42442.64300000001 +MOROCCO 1994 48655.878000000004 +MOROCCO 1993 22926.744400000003 +MOROCCO 1992 32239.8088 +PERU 1998 86999.36459999997 +PERU 1997 121110.41070000001 +PERU 1996 177040.40759999995 +PERU 1995 122247.94520000002 +PERU 1994 88046.25329999998 +PERU 1993 49379.813799999996 +PERU 1992 80646.86050000001 +UNITED KINGDOM 1998 50577.25560000001 +UNITED KINGDOM 1997 114288.8605 +UNITED KINGDOM 1996 147684.46480000002 +UNITED KINGDOM 1995 225267.65759999998 +UNITED KINGDOM 1994 140595.5864 +UNITED KINGDOM 1993 322548.49210000003 +UNITED KINGDOM 1992 67747.88279999999 +UNITED STATES 1998 3957.0431999999996 +UNITED STATES 1997 94729.5704 +UNITED STATES 1996 79297.85670000002 +UNITED STATES 1995 62201.23360000001 +UNITED STATES 1994 43075.629899999985 +UNITED STATES 1993 27168.486199999996 +UNITED STATES 1992 34092.366 +set @save_optimizer_switch=@@optimizer_switch; +set optimizer_switch='extended_keys=on'; +EXPLAIN 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; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE part range PRIMARY,i_p_retailprice i_p_retailprice 9 NULL 1 Using where; Using index +1 SIMPLE orders ref PRIMARY,i_o_orderdate i_o_orderdate 4 const 1 Using index +1 SIMPLE lineitem ref PRIMARY,i_l_suppkey_partkey,i_l_partkey,i_l_orderkey,i_l_orderkey_quantity i_l_partkey 9 dbt3_s001.part.p_partkey,dbt3_s001.orders.o_orderkey 1 Using index +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; +o_orderkey p_partkey +5895 200 +set optimizer_switch=@save_optimizer_switch; +DROP DATABASE dbt3_s001; +use test; +# +# Bug mdev-473: ANALYZE table locked for write +# +set use_stat_tables='complementary'; +create table t1 (i int); +lock table t1 write; +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +alter table t1 add column a varchar(8); +drop table t1; +# +# Bug mdev-487: memory leak in ANALYZE with stat tables +# +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; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +DROP TABLE t1; +# +# Bug mdev-518: corrupted/missing statistical tables +# +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; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 +FLUSH TABLES; +SET use_stat_tables='preferably'; +EXPLAIN SELECT * FROM t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 +DROP TABLE t1; +set use_stat_tables=@save_use_stat_tables; +# +# Bug mdev-5204: invalid impossible where after reading const tables +# when use_stat_tables = 'preferably' +# +set use_stat_tables = 'preferably'; +CREATE TABLE t1 (id int PRIMARY KEY) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(2); +ANALYZE TABLE t1; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +CREATE TABLE t2 (name char(3)) ENGINE=MyISAM; +ANALYZE TABLE t2; +Table Op Msg_type Msg_text +test.t2 analyze status Engine-independent statistics collected +test.t2 analyze status Table is already up to date +INSERT INTO t2 VALUES ('USA'),('AUS'); +SELECT * FROM t1 STRAIGHT_JOIN t2 WHERE name IN ( 'AUS','YEM' ) AND id = 1; +id name +1 AUS +EXPLAIN +SELECT * FROM t1 STRAIGHT_JOIN t2 WHERE name IN ( 'AUS','YEM' ) AND id = 1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index +1 SIMPLE t2 ALL NULL NULL NULL NULL 0 Using where +ANALYZE TABLE t2; +Table Op Msg_type Msg_text +test.t2 analyze status Engine-independent statistics collected +test.t2 analyze status OK +SELECT * FROM t1 STRAIGHT_JOIN t2 WHERE name IN ( 'AUS','YEM' ) AND id = 1; +id name +1 AUS +EXPLAIN +SELECT * FROM t1 STRAIGHT_JOIN t2 WHERE name IN ( 'AUS','YEM' ) AND id = 1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index +1 SIMPLE t2 ALL NULL NULL NULL NULL 2 Using where +DROP TABLE t1,t2; +# +# MDEV-7370: Server deadlocks on renaming a table for which persistent statistics exists +# +drop database if exists db1; +drop database if exists db1; +create database db1; +create database db2; +use db1; +# +# First, run the original testcase: +# +create table t1 (i int); +insert into t1 values (10),(20); +analyze table t1 persistent for all; +Table Op Msg_type Msg_text +db1.t1 analyze status Engine-independent statistics collected +db1.t1 analyze status OK +rename table t1 to db2.t1; +# Verify that stats in the old database are gone: +select * from mysql.column_stats where db_name='db1' and table_name='t1'; +db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram +select * from mysql.table_stats where db_name='db1' and table_name='t1'; +db_name table_name cardinality +# Verify that stats are present in the new database: +select * from mysql.column_stats where db_name='db2' and table_name='t1'; +db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram +db2 t1 i 10 20 0.0000 4.0000 1.0000 0 NULL NULL +select * from mysql.table_stats where db_name='db2' and table_name='t1'; +db_name table_name cardinality +db2 t1 2 +# +# Now, try with more than one column and with indexes: +# +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; +Table Op Msg_type Msg_text +db1.t2 analyze status Engine-independent statistics collected +db1.t2 analyze status OK +alter table t2 rename db2.t2; +# Verify that stats in the old database are gone: +select * from mysql.table_stats where db_name='db1' and table_name='t2'; +db_name table_name cardinality +select * from mysql.column_stats where db_name='db1' and table_name='t2'; +db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram +select * from mysql.index_stats where db_name='db1' and table_name='t2'; +db_name table_name index_name prefix_arity avg_frequency +# Verify that stats are present in the new database: +select * from mysql.table_stats where db_name='db2' and table_name='t2'; +db_name table_name cardinality +db2 t2 10 +select * from mysql.column_stats where db_name='db2' and table_name='t2'; +db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram +db2 t2 a 0 1 0.0000 4.0000 5.0000 0 NULL NULL +db2 t2 b 0 5 0.0000 4.0000 1.6667 0 NULL NULL +db2 t2 c 0 9 0.0000 4.0000 1.0000 0 NULL NULL +select * from mysql.index_stats where db_name='db2' and table_name='t2'; +db_name table_name index_name prefix_arity avg_frequency +db2 t2 IDX1 1 5.0000 +db2 t2 IDX2 1 5.0000 +db2 t2 IDX2 2 1.6667 +use db2; +# +# Now, rename within the same database and verify: +# +rename table t2 to t3; +# No stats under old name: +select * from mysql.table_stats where db_name='db2' and table_name='t2'; +db_name table_name cardinality +select * from mysql.column_stats where db_name='db2' and table_name='t2'; +db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram +select * from mysql.index_stats where db_name='db2' and table_name='t2'; +db_name table_name index_name prefix_arity avg_frequency +# Stats under the new name: +select * from mysql.table_stats where db_name='db2' and table_name='t3'; +db_name table_name cardinality +db2 t3 10 +select * from mysql.column_stats where db_name='db2' and table_name='t3'; +db_name table_name column_name min_value max_value nulls_ratio avg_length avg_frequency hist_size hist_type histogram +db2 t3 a 0 1 0.0000 4.0000 5.0000 0 NULL NULL +db2 t3 b 0 5 0.0000 4.0000 1.6667 0 NULL NULL +db2 t3 c 0 9 0.0000 4.0000 1.0000 0 NULL NULL +select * from mysql.index_stats where db_name='db2' and table_name='t3'; +db_name table_name index_name prefix_arity avg_frequency +db2 t3 IDX1 1 5.0000 +db2 t3 IDX2 1 5.0000 +db2 t3 IDX2 2 1.6667 +use test; +drop database db1; +drop database db2; +drop table t1; +# +# MDEV-16552: [10.0] ASAN global-buffer-overflow in is_stat_table / statistics_for_tables_is_needed +# +SET use_stat_tables = PREFERABLY; +SELECT CONVERT_TZ( '1991-09-20 10:11:02', '+00:00', 'GMT' ); +CONVERT_TZ( '1991-09-20 10:11:02', '+00:00', 'GMT' ) +NULL +set use_stat_tables=@save_use_stat_tables; +# +# MDEV-16757: manual addition of min/max statistics for BLOB +# +SET use_stat_tables= PREFERABLY; +CREATE TABLE t1 (pk INT PRIMARY KEY, t TEXT); +INSERT INTO t1 VALUES (1,'foo'),(2,'bar'); +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 't' +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 +test t1 pk 1 2 0.0000 4.0000 1.0000 NULL NULL NULL +DELETE FROM mysql.column_stats +WHERE db_name='test' AND table_name='t1' AND column_name='t'; +INSERT INTO mysql.column_stats VALUES +('test','t1','t','bar','foo', 0.0, 3.0, 1.0, 0, NULL, NULL); +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 pk 1 2 0.0000 4.0000 1.0000 NULL NULL NULL +test t1 t bar foo 0.0000 3.0000 1.0000 0 NULL NULL +SELECT pk FROM t1; +pk +1 +2 +DROP TABLE t1; +set use_stat_tables=@save_use_stat_tables; +# +# MDEV-16760: CREATE OR REPLACE TABLE after ANALYZE TABLE +# +SET use_stat_tables= PREFERABLY; +CREATE TABLE t1 (pk int PRIMARY KEY, c varchar(32)); +INSERT INTO t1 VALUES (1,'foo'),(2,'bar'); +ANALYZE TABLE t1; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +SELECT * FROM t1; +pk c +1 foo +2 bar +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 pk 1 2 0.0000 4.0000 1.0000 NULL NULL NULL +test t1 c bar foo 0.0000 3.0000 1.0000 0 NULL NULL +CREATE OR REPLACE TABLE t1 (pk int PRIMARY KEY, a char(7)); +SELECT * FROM t1; +pk a +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 +DROP TABLE t1; +set use_stat_tables=@save_use_stat_tables; +# +# MDEV-17023: Crash during read_histogram_for_table with optimizer_use_condition_selectivity set to 4 +# +set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity; +set @@optimizer_use_condition_selectivity=4; +set @@use_stat_tables= PREFERABLY; +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 global_priv ALL NULL NULL NULL NULL 5 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; +CREATE TABLE t1 (pk INT PRIMARY KEY, t CHAR(60)); +INSERT INTO t1 VALUES (1,'foo'),(2,'bar'); +ANALYZE TABLE t1; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +CREATE OR REPLACE TABLE t1 (pk INT PRIMARY KEY, t TEXT); +SELECT MAX(pk) FROM t1; +MAX(pk) +NULL +DROP TABLE t1; +set use_stat_tables=@save_use_stat_tables; +# +# MDEV-17605: SHOW INDEXES with use_stat_tables='preferably' +# +set use_stat_tables='preferably'; +CREATE DATABASE dbt3_s001; +use dbt3_s001; +set @save_optimizer_switch=@@optimizer_switch; +set optimizer_switch='extended_keys=off'; +select * from mysql.table_stats; +db_name table_name cardinality +dbt3_s001 lineitem 6005 +select * from mysql.index_stats; +db_name table_name index_name prefix_arity avg_frequency +dbt3_s001 lineitem PRIMARY 1 4.0033 +dbt3_s001 lineitem PRIMARY 2 1.0000 +dbt3_s001 lineitem i_l_shipdate 1 2.6500 +dbt3_s001 lineitem i_l_suppkey_partkey 1 30.0250 +dbt3_s001 lineitem i_l_suppkey_partkey 2 8.5786 +dbt3_s001 lineitem i_l_partkey 1 30.0250 +dbt3_s001 lineitem i_l_suppkey 1 600.5000 +dbt3_s001 lineitem i_l_receiptdate 1 2.6477 +dbt3_s001 lineitem i_l_orderkey 1 4.0033 +dbt3_s001 lineitem i_l_orderkey_quantity 1 4.0033 +dbt3_s001 lineitem i_l_orderkey_quantity 2 1.0404 +dbt3_s001 lineitem i_l_commitdate 1 2.7160 +SHOW INDEXES FROM lineitem; +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment Ignored +lineitem 0 PRIMARY 1 l_orderkey A 1500 NULL NULL BTREE NO +lineitem 0 PRIMARY 2 l_linenumber A 6005 NULL NULL BTREE NO +lineitem 1 i_l_shipdate 1 l_shipDATE A 2266 NULL NULL YES BTREE NO +lineitem 1 i_l_suppkey_partkey 1 l_partkey A 200 NULL NULL YES BTREE NO +lineitem 1 i_l_suppkey_partkey 2 l_suppkey A 699 NULL NULL YES BTREE NO +lineitem 1 i_l_partkey 1 l_partkey A 200 NULL NULL YES BTREE NO +lineitem 1 i_l_suppkey 1 l_suppkey A 10 NULL NULL YES BTREE NO +lineitem 1 i_l_receiptdate 1 l_receiptDATE A 2268 NULL NULL YES BTREE NO +lineitem 1 i_l_orderkey 1 l_orderkey A 1500 NULL NULL BTREE NO +lineitem 1 i_l_orderkey_quantity 1 l_orderkey A 1500 NULL NULL BTREE NO +lineitem 1 i_l_orderkey_quantity 2 l_quantity A 5771 NULL NULL YES BTREE NO +lineitem 1 i_l_commitdate 1 l_commitDATE A 2210 NULL NULL YES BTREE NO +SELECT * FROM INFORMATION_SCHEMA.STATISTICS WHERE table_name='lineitem'; +TABLE_CATALOG TABLE_SCHEMA TABLE_NAME NON_UNIQUE INDEX_SCHEMA INDEX_NAME SEQ_IN_INDEX COLUMN_NAME COLLATION CARDINALITY SUB_PART PACKED NULLABLE INDEX_TYPE COMMENT INDEX_COMMENT IGNORED +def dbt3_s001 lineitem 0 dbt3_s001 PRIMARY 1 l_orderkey A 1500 NULL NULL BTREE NO +def dbt3_s001 lineitem 0 dbt3_s001 PRIMARY 2 l_linenumber A 6005 NULL NULL BTREE NO +def dbt3_s001 lineitem 1 dbt3_s001 i_l_shipdate 1 l_shipDATE A 2266 NULL NULL YES BTREE NO +def dbt3_s001 lineitem 1 dbt3_s001 i_l_suppkey_partkey 1 l_partkey A 200 NULL NULL YES BTREE NO +def dbt3_s001 lineitem 1 dbt3_s001 i_l_suppkey_partkey 2 l_suppkey A 699 NULL NULL YES BTREE NO +def dbt3_s001 lineitem 1 dbt3_s001 i_l_partkey 1 l_partkey A 200 NULL NULL YES BTREE NO +def dbt3_s001 lineitem 1 dbt3_s001 i_l_suppkey 1 l_suppkey A 10 NULL NULL YES BTREE NO +def dbt3_s001 lineitem 1 dbt3_s001 i_l_receiptdate 1 l_receiptDATE A 2268 NULL NULL YES BTREE NO +def dbt3_s001 lineitem 1 dbt3_s001 i_l_orderkey 1 l_orderkey A 1500 NULL NULL BTREE NO +def dbt3_s001 lineitem 1 dbt3_s001 i_l_orderkey_quantity 1 l_orderkey A 1500 NULL NULL BTREE NO +def dbt3_s001 lineitem 1 dbt3_s001 i_l_orderkey_quantity 2 l_quantity A 5771 NULL NULL YES BTREE NO +def dbt3_s001 lineitem 1 dbt3_s001 i_l_commitdate 1 l_commitDATE A 2210 NULL NULL YES BTREE NO +SELECT +COUNT(DISTINCT l_orderkey), COUNT(DISTINCT l_orderkey,l_linenumber), +COUNT(DISTINCT l_shipDATE), +COUNT(DISTINCT l_partkey), COUNT(DISTINCT l_partkey,l_suppkey), +COUNT(DISTINCT l_suppkey), COUNT(DISTINCT l_receiptDATE), +COUNT(DISTINCT l_orderkey, l_quantity), COUNT(DISTINCT l_commitDATE) +FROM lineitem; +COUNT(DISTINCT l_orderkey) COUNT(DISTINCT l_orderkey,l_linenumber) COUNT(DISTINCT l_shipDATE) COUNT(DISTINCT l_partkey) COUNT(DISTINCT l_partkey,l_suppkey) COUNT(DISTINCT l_suppkey) COUNT(DISTINCT l_receiptDATE) COUNT(DISTINCT l_orderkey, l_quantity) COUNT(DISTINCT l_commitDATE) +1500 6005 2266 200 700 10 2268 5772 2211 +set optimizer_switch=@save_optimizer_switch; +DROP DATABASE dbt3_s001; +USE test; +delete from mysql.table_stats; +delete from mysql.column_stats; +delete from mysql.index_stats; +# +# MDEV-19352: Server crash in alloc_histograms_for_table_share upon query from information schema +# +use test; +set @save_optimizer_use_condition_selectivity= @@optimizer_use_condition_selectivity; +set @@optimizer_use_condition_selectivity= 4; +set use_stat_tables='preferably'; +CREATE TABLE t1 (a INT); +CREATE TABLE t2 (b INT); +CREATE VIEW v AS SELECT * FROM t1 JOIN t2; +INSERT INTO t2 SELECT * FROM x; +ERROR 42S02: Table 'test.x' doesn't exist +select * from information_schema.tables where table_name='v'; +TABLE_CATALOG TABLE_SCHEMA TABLE_NAME TABLE_TYPE ENGINE VERSION ROW_FORMAT TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE AUTO_INCREMENT CREATE_TIME UPDATE_TIME CHECK_TIME TABLE_COLLATION CHECKSUM CREATE_OPTIONS TABLE_COMMENT MAX_INDEX_LENGTH TEMPORARY +def test v VIEW NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL VIEW NULL NULL +set @@optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; +drop table t1,t2; +drop view v; +# +# MDEV-19407: Assertion `field->table->stats_is_read' failed in is_eits_usable +# +set @save_optimizer_use_condition_selectivity= @@optimizer_use_condition_selectivity; +set @@optimizer_use_condition_selectivity= 1; +set @@use_stat_tables='never'; +create table t1(pk int); +insert into t1 values (4),(3); +set @@optimizer_use_condition_selectivity= 4; +set use_stat_tables='preferably'; +INSERT INTO t1 SELECT * FROM x; +ERROR 42S02: Table 'test.x' doesn't exist +CREATE TABLE t2 SELECT pk FROM t1 WHERE pk>2; +select * from t2; +pk +4 +3 +drop table t1,t2; +create table t1(a int,b int, key k1(a) ); +insert into t1 values(1,1),(2,2),(3,3); +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +select * from mysql.index_stats, t1 where index_name='k1' and t1.a > 1 and t1.b > 1; +db_name table_name index_name prefix_arity avg_frequency a b +test t1 k1 1 1.0000 2 2 +test t1 k1 1 1.0000 3 3 +drop table t1; +set @@optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity; +set @save_optimizer_switch=@@optimizer_switch; +set use_stat_tables=@save_use_stat_tables; +# +# MDEV-18899: Server crashes in Field::set_warning_truncated_wrong_value +# +set names utf8; +set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity; +set optimizer_use_condition_selectivity=4; +set use_stat_tables=preferably; +set histogram_size=255; +create table t1 ( a varchar(255) character set utf8); +insert into t1 values (REPEAT('ӥ',255)), (REPEAT('ç',255)); +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +select HEX(RIGHT(min_value, 1)), length(min_value) from mysql.column_stats where db_name='test' and table_name='t1'; +HEX(RIGHT(min_value, 1)) length(min_value) +A7 254 +select HEX(RIGHT(max_value, 1)), length(max_value) from mysql.column_stats where db_name='test' and table_name='t1'; +HEX(RIGHT(max_value, 1)) length(max_value) +A5 254 +analyze select * from t1 where a >= 'ӥ'; +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 2 2.00 50.00 50.00 Using where +set @save_sql_mode= @@sql_mode; +set sql_mode='ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'; +update mysql.column_stats set min_value= REPEAT('ӥ',255) where db_name='test' and table_name='t1'; +Warnings: +Warning 1265 Data truncated for column 'min_value' at row 1 +select HEX(RIGHT(min_value, 1)), length(min_value) from mysql.column_stats where db_name='test' and table_name='t1'; +HEX(RIGHT(min_value, 1)) length(min_value) +D3 255 +analyze select * from t1 where a >= 'ӥ'; +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 2 2.00 50.00 50.00 Using where +set names latin1; +drop table t1; +CREATE TABLE t1 (col1 date); +INSERT INTO t1 VALUES('2004-01-01'),('2004-02-29'); +INSERT INTO t1 VALUES('0000-10-31'); +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +update mysql.column_stats set min_value='2004-0-31123' where db_name='test' and table_name='t1'; +select min_value from mysql.column_stats where db_name='test' and table_name='t1'; +min_value +2004-0-31123 +select * from t1; +col1 +2004-01-01 +2004-02-29 +0000-10-31 +set @@sql_mode= @save_sql_mode; +set @@use_stat_tables=@save_use_stat_tables; +set @@histogram_size= @save_histogram_size; +set @@histogram_type=@save_histogram_type; +set @@optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity; +drop table t1; +# +# MDEV-20589: Server still crashes in Field::set_warning_truncated_wrong_value +# +set names utf8; +create table t1 ( a varchar(255) character set utf8); +insert into t1 values (REPEAT('ӥ',255)), (REPEAT('ç',255)); +set use_stat_tables='preferably'; +analyze table t1 persistent for all; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +set @save_sql_mode= @@sql_mode; +set sql_mode='ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'; +update mysql.column_stats set min_value= REPEAT('ӥ',256) where db_name='test' and table_name='t1'; +Warnings: +Warning 1265 Data truncated for column 'min_value' at row 1 +set @@sql_mode= @save_sql_mode; +select length(a) from t1 where a=REPEAT('ӥ',255); +length(a) +510 +set names latin1; +set @@use_stat_tables=@save_use_stat_tables; +drop table t1; +# +# MDEV-23753: SIGSEGV in Column_stat::store_stat_fields +# +CREATE TABLE t1 (a INT, b INT) PARTITION BY HASH (b) PARTITIONS 2; +LOCK TABLES t1 WRITE; +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 +ANALYZE TABLE t1 PERSISTENT FOR COLUMNS (nonexisting) INDEXES (nonexisting); +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze error Invalid argument +DROP TABLE t1; +# please keep this at the last +set @@global.histogram_size=@save_histogram_size; +# Start of 10.4 tests +set histogram_size=0; +# +# 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 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 +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 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 +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 @@global.histogram_size=@save_histogram_size; +# +# End of 10.4 tests +# +# +# MDEV-29693 ANALYZE TABLE still flushes table definition cache +# when engine-independent statistics is used +# +create table t1 (a int); +insert into t1 select seq from seq_0_to_99; +analyze table t1 persistent for all; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +analyze table t1 persistent for all; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +explain extended select count(*) from t1 where a < 50; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 100 50.51 Using where +Warnings: +Note 1003 select count(0) AS `count(*)` from `test`.`t1` where `test`.`t1`.`a` < 50 +connect con1, localhost, root,,; +connection con1; +explain extended select count(*) from t1 where a < 50; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 100 50.51 Using where +Warnings: +Note 1003 select count(0) AS `count(*)` from `test`.`t1` where `test`.`t1`.`a` < 50 +connection default; +update t1 set a= a +100; +# Explain shows outdated statistics: +explain extended select count(*) from t1 where a < 50; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 100 50.51 Using where +Warnings: +Note 1003 select count(0) AS `count(*)` from `test`.`t1` where `test`.`t1`.`a` < 50 +connection con1; +explain extended select count(*) from t1 where a < 50; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 100 50.51 Using where +Warnings: +Note 1003 select count(0) AS `count(*)` from `test`.`t1` where `test`.`t1`.`a` < 50 +connection default; +analyze table t1 persistent for all; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +# Now explain shows updated statistics: +explain extended select count(*) from t1 where a < 50; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 100 1.00 Using where +Warnings: +Note 1003 select count(0) AS `count(*)` from `test`.`t1` where `test`.`t1`.`a` < 50 +connection con1; +explain extended select count(*) from t1 where a < 50; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 100 1.00 Using where +Warnings: +Note 1003 select count(0) AS `count(*)` from `test`.`t1` where `test`.`t1`.`a` < 50 +connection con1; +# Run update and analyze in con1: +update t1 set a= a - 150; +analyze table t1 persistent for all; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +connection default; +# Explain shows updated statistics: +explain extended select count(*) from t1 where a < 50; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 100 100.00 Using where +Warnings: +Note 1003 select count(0) AS `count(*)` from `test`.`t1` where `test`.`t1`.`a` < 50 +disconnect con1; +drop table t1; +# +# End of 10.6 tests +# +set global innodb_stats_persistent= @innodb_stats_persistent_save; +set global innodb_stats_persistent_sample_pages= +@innodb_stats_persistent_sample_pages_save; +set optimizer_switch=@save_optimizer_switch_for_stat_tables_test; +# +# MDEV-22851: Engine independent index statistics are incorrect for large tables on Windows. +# +CREATE TABLE t1(a INT) ENGINE=INNODB; +INSERT INTO t1 SELECT 1 FROM seq_1_to_60000; +SET @save_use_stat_tables= @@use_stat_tables; +SET use_stat_tables= preferably; +SELECT count(*) FROM t1; +count(*) +60000 +CREATE INDEX idx ON t1(a); +ANALYZE TABLE t1 PERSISTENT FOR COLUMNS (a) INDEXES (idx); +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +SELECT * FROM mysql.index_stats where table_name='t1'; +db_name table_name index_name prefix_arity avg_frequency +test t1 idx 1 60000.0000 +SELECT * FROM mysql.column_stats where table_name='t1'; +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 1 0.0000 4.0000 60000.0000 0 NULL NULL +SET use_stat_tables= @save_use_stat_tables; +DROP TABLE t1; +# end of 10.1 tests +SET SESSION DEFAULT_STORAGE_ENGINE=DEFAULT; |