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-rw-r--r--mysql-test/r/mysqld--help.result13
-rw-r--r--mysql-test/r/selectivity.result114
-rw-r--r--mysql-test/r/selectivity_innodb.result119
3 files changed, 246 insertions, 0 deletions
diff --git a/mysql-test/r/mysqld--help.result b/mysql-test/r/mysqld--help.result
index d29631eabc0..afa3a2ac3af 100644
--- a/mysql-test/r/mysqld--help.result
+++ b/mysql-test/r/mysqld--help.result
@@ -500,6 +500,18 @@ The following options may be given as the first argument:
partial_match_table_scan, semijoin, semijoin_with_cache,
subquery_cache, table_elimination, extended_keys,
exists_to_in } and val is one of {on, off, default}
+ --optimizer-use-condition-selectivity=#
+ Controls selectivity of which conditions the optimizer
+ takes into account to calculate cardinality of a partial
+ join when it searches for the best execution plan
+ Meaning: 1 - use selectivity of index backed range
+ conditions to calculate cardinality of the partial join
+ if the last joined table is accessed by full table scan
+ or an index scan 2 - use selectivity of index backed
+ range conditions to calculate cardinality of the partial
+ join in any case 3 - additionally always use selectivity
+ of range conditions that are not backed by any index to
+ calculate cardinality of the partial join
--performance-schema
Enable the performance schema.
--performance-schema-events-waits-history-long-size=#
@@ -1004,6 +1016,7 @@ old-style-user-limits FALSE
optimizer-prune-level 1
optimizer-search-depth 62
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on
+optimizer-use-condition-selectivity 1
performance-schema FALSE
performance-schema-events-waits-history-long-size 10000
performance-schema-events-waits-history-size 10
diff --git a/mysql-test/r/selectivity.result b/mysql-test/r/selectivity.result
new file mode 100644
index 00000000000..3db8da46ea2
--- /dev/null
+++ b/mysql-test/r/selectivity.result
@@ -0,0 +1,114 @@
+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 use_stat_tables='preferably';
+DROP DATABASE IF EXISTS dbt3_s001;
+CREATE DATABASE dbt3_s001;
+use dbt3_s001;
+set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity;
+EXPLAIN EXTENDED select sql_calc_found_rows
+s_name, s_address
+from supplier, nation
+where s_suppkey in (select ps_suppkey from partsupp
+where ps_partkey in (select p_partkey from part
+where p_name like 'g%')
+and ps_availqty >
+(select 0.5 * sum(l_quantity)
+from lineitem
+where l_partkey = ps_partkey
+and l_suppkey = ps_suppkey
+and l_shipdate >= date('1993-01-01')
+and l_shipdate < date('1993-01-01') +
+interval '1' year ))
+and s_nationkey = n_nationkey
+and n_name = 'UNITED STATES'
+order by s_name
+limit 10;
+id select_type table type possible_keys key key_len ref rows filtered Extra
+1 PRIMARY supplier ALL PRIMARY,i_s_nationkey NULL NULL NULL 10 100.00 Using where; Using filesort
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
+1 PRIMARY nation eq_ref PRIMARY PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 100.00 Using where
+2 MATERIALIZED part ALL PRIMARY NULL NULL NULL 200 100.00 Using where
+2 MATERIALIZED partsupp ref PRIMARY,i_ps_partkey,i_ps_suppkey PRIMARY 4 dbt3_s001.part.p_partkey 3 100.00 Using where
+4 DEPENDENT SUBQUERY lineitem ref i_l_shipdate,i_l_suppkey_partkey,i_l_partkey,i_l_suppkey i_l_suppkey_partkey 10 dbt3_s001.partsupp.ps_partkey,dbt3_s001.partsupp.ps_suppkey 8 100.00 Using where
+Warnings:
+Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
+Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
+Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where ((`dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey`) and (`dbt3_s001`.`nation`.`n_name` = 'UNITED STATES') and (`dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey`) and (`dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select (0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`)) from `dbt3_s001`.`lineitem` where ((`dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`) and (`dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey`) and (`dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date))) and (`dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>((cast('1993-01-01' as date) + interval '1' year))))))) and (`dbt3_s001`.`part`.`p_name` like 'g%')) order by `dbt3_s001`.`supplier`.`s_name` limit 10
+select sql_calc_found_rows
+s_name, s_address
+from supplier, nation
+where s_suppkey in (select ps_suppkey from partsupp
+where ps_partkey in (select p_partkey from part
+where p_name like 'g%')
+and ps_availqty >
+(select 0.5 * sum(l_quantity)
+from lineitem
+where l_partkey = ps_partkey
+and l_suppkey = ps_suppkey
+and l_shipdate >= date('1993-01-01')
+and l_shipdate < date('1993-01-01') +
+interval '1' year ))
+and s_nationkey = n_nationkey
+and n_name = 'UNITED STATES'
+order by s_name
+limit 10;
+s_name s_address
+Supplier#000000010 Saygah3gYWMp72i PY
+set optimizer_use_condition_selectivity=3;
+EXPLAIN EXTENDED select sql_calc_found_rows
+s_name, s_address
+from supplier, nation
+where s_suppkey in (select ps_suppkey from partsupp
+where ps_partkey in (select p_partkey from part
+where p_name like 'g%')
+and ps_availqty >
+(select 0.5 * sum(l_quantity)
+from lineitem
+where l_partkey = ps_partkey
+and l_suppkey = ps_suppkey
+and l_shipdate >= date('1993-01-01')
+and l_shipdate < date('1993-01-01') +
+interval '1' year ))
+and s_nationkey = n_nationkey
+and n_name = 'UNITED STATES'
+order by s_name
+limit 10;
+id select_type table type possible_keys key key_len ref rows filtered Extra
+1 PRIMARY nation ALL PRIMARY NULL NULL NULL 25 4.00 Using where; Using temporary; Using filesort
+1 PRIMARY supplier ref PRIMARY,i_s_nationkey i_s_nationkey 5 dbt3_s001.nation.n_nationkey 1 100.00
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
+2 MATERIALIZED part ALL PRIMARY NULL NULL NULL 200 4.17 Using where
+2 MATERIALIZED partsupp ref PRIMARY,i_ps_partkey,i_ps_suppkey PRIMARY 4 dbt3_s001.part.p_partkey 3 100.00 Using where
+4 DEPENDENT SUBQUERY lineitem ref i_l_shipdate,i_l_suppkey_partkey,i_l_partkey,i_l_suppkey i_l_suppkey_partkey 10 dbt3_s001.partsupp.ps_partkey,dbt3_s001.partsupp.ps_suppkey 8 100.00 Using where
+Warnings:
+Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
+Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
+Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where ((`dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey`) and (`dbt3_s001`.`nation`.`n_name` = 'UNITED STATES') and (`dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey`) and (`dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select (0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`)) from `dbt3_s001`.`lineitem` where ((`dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`) and (`dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey`) and (`dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date))) and (`dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>((cast('1993-01-01' as date) + interval '1' year))))))) and (`dbt3_s001`.`part`.`p_name` like 'g%')) order by `dbt3_s001`.`supplier`.`s_name` limit 10
+select sql_calc_found_rows
+s_name, s_address
+from supplier, nation
+where s_suppkey in (select ps_suppkey from partsupp
+where ps_partkey in (select p_partkey from part
+where p_name like 'g%')
+and ps_availqty >
+(select 0.5 * sum(l_quantity)
+from lineitem
+where l_partkey = ps_partkey
+and l_suppkey = ps_suppkey
+and l_shipdate >= date('1993-01-01')
+and l_shipdate < date('1993-01-01') +
+interval '1' year ))
+and s_nationkey = n_nationkey
+and n_name = 'UNITED STATES'
+order by s_name
+limit 10;
+s_name s_address
+Supplier#000000010 Saygah3gYWMp72i PY
+DROP DATABASE dbt3_s001;
+set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity;
+set use_stat_tables=@save_use_stat_tables;
diff --git a/mysql-test/r/selectivity_innodb.result b/mysql-test/r/selectivity_innodb.result
new file mode 100644
index 00000000000..0a6abfd66d3
--- /dev/null
+++ b/mysql-test/r/selectivity_innodb.result
@@ -0,0 +1,119 @@
+SET SESSION STORAGE_ENGINE='InnoDB';
+set @save_optimizer_switch_for_selectivity_test=@@optimizer_switch;
+set optimizer_switch='extended_keys=on';
+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 use_stat_tables='preferably';
+DROP DATABASE IF EXISTS dbt3_s001;
+CREATE DATABASE dbt3_s001;
+use dbt3_s001;
+set @save_optimizer_use_condition_selectivity=@@optimizer_use_condition_selectivity;
+EXPLAIN EXTENDED select sql_calc_found_rows
+s_name, s_address
+from supplier, nation
+where s_suppkey in (select ps_suppkey from partsupp
+where ps_partkey in (select p_partkey from part
+where p_name like 'g%')
+and ps_availqty >
+(select 0.5 * sum(l_quantity)
+from lineitem
+where l_partkey = ps_partkey
+and l_suppkey = ps_suppkey
+and l_shipdate >= date('1993-01-01')
+and l_shipdate < date('1993-01-01') +
+interval '1' year ))
+and s_nationkey = n_nationkey
+and n_name = 'UNITED STATES'
+order by s_name
+limit 10;
+id select_type table type possible_keys key key_len ref rows filtered Extra
+1 PRIMARY supplier ALL PRIMARY,i_s_nationkey NULL NULL NULL 10 100.00 Using where; Using filesort
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
+1 PRIMARY nation eq_ref PRIMARY PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 100.00 Using where
+2 MATERIALIZED part ALL PRIMARY NULL NULL NULL 200 100.00 Using where
+2 MATERIALIZED partsupp ref PRIMARY,i_ps_partkey,i_ps_suppkey PRIMARY 4 dbt3_s001.part.p_partkey 3 100.00 Using where
+4 DEPENDENT SUBQUERY lineitem ref i_l_shipdate,i_l_suppkey_partkey,i_l_partkey,i_l_suppkey i_l_suppkey_partkey 10 dbt3_s001.partsupp.ps_partkey,dbt3_s001.partsupp.ps_suppkey 8 100.00 Using where
+Warnings:
+Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
+Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
+Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where ((`dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey`) and (`dbt3_s001`.`nation`.`n_name` = 'UNITED STATES') and (`dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey`) and (`dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select (0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`)) from `dbt3_s001`.`lineitem` where ((`dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`) and (`dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey`) and (`dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date))) and (`dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>((cast('1993-01-01' as date) + interval '1' year))))))) and (`dbt3_s001`.`part`.`p_name` like 'g%')) order by `dbt3_s001`.`supplier`.`s_name` limit 10
+select sql_calc_found_rows
+s_name, s_address
+from supplier, nation
+where s_suppkey in (select ps_suppkey from partsupp
+where ps_partkey in (select p_partkey from part
+where p_name like 'g%')
+and ps_availqty >
+(select 0.5 * sum(l_quantity)
+from lineitem
+where l_partkey = ps_partkey
+and l_suppkey = ps_suppkey
+and l_shipdate >= date('1993-01-01')
+and l_shipdate < date('1993-01-01') +
+interval '1' year ))
+and s_nationkey = n_nationkey
+and n_name = 'UNITED STATES'
+order by s_name
+limit 10;
+s_name s_address
+Supplier#000000010 Saygah3gYWMp72i PY
+set optimizer_use_condition_selectivity=3;
+EXPLAIN EXTENDED select sql_calc_found_rows
+s_name, s_address
+from supplier, nation
+where s_suppkey in (select ps_suppkey from partsupp
+where ps_partkey in (select p_partkey from part
+where p_name like 'g%')
+and ps_availqty >
+(select 0.5 * sum(l_quantity)
+from lineitem
+where l_partkey = ps_partkey
+and l_suppkey = ps_suppkey
+and l_shipdate >= date('1993-01-01')
+and l_shipdate < date('1993-01-01') +
+interval '1' year ))
+and s_nationkey = n_nationkey
+and n_name = 'UNITED STATES'
+order by s_name
+limit 10;
+id select_type table type possible_keys key key_len ref rows filtered Extra
+1 PRIMARY nation ALL PRIMARY NULL NULL NULL 25 4.00 Using where; Using temporary; Using filesort
+1 PRIMARY supplier ref PRIMARY,i_s_nationkey i_s_nationkey 5 dbt3_s001.nation.n_nationkey 1 100.00
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
+2 MATERIALIZED part ALL PRIMARY NULL NULL NULL 200 4.17 Using where
+2 MATERIALIZED partsupp ref PRIMARY,i_ps_partkey,i_ps_suppkey PRIMARY 4 dbt3_s001.part.p_partkey 3 100.00 Using where
+4 DEPENDENT SUBQUERY lineitem ref i_l_shipdate,i_l_suppkey_partkey,i_l_partkey,i_l_suppkey i_l_suppkey_partkey 10 dbt3_s001.partsupp.ps_partkey,dbt3_s001.partsupp.ps_suppkey 8 100.00 Using where
+Warnings:
+Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
+Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
+Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where ((`dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey`) and (`dbt3_s001`.`nation`.`n_name` = 'UNITED STATES') and (`dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey`) and (`dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select (0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`)) from `dbt3_s001`.`lineitem` where ((`dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`) and (`dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey`) and (`dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date))) and (`dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>((cast('1993-01-01' as date) + interval '1' year))))))) and (`dbt3_s001`.`part`.`p_name` like 'g%')) order by `dbt3_s001`.`supplier`.`s_name` limit 10
+select sql_calc_found_rows
+s_name, s_address
+from supplier, nation
+where s_suppkey in (select ps_suppkey from partsupp
+where ps_partkey in (select p_partkey from part
+where p_name like 'g%')
+and ps_availqty >
+(select 0.5 * sum(l_quantity)
+from lineitem
+where l_partkey = ps_partkey
+and l_suppkey = ps_suppkey
+and l_shipdate >= date('1993-01-01')
+and l_shipdate < date('1993-01-01') +
+interval '1' year ))
+and s_nationkey = n_nationkey
+and n_name = 'UNITED STATES'
+order by s_name
+limit 10;
+s_name s_address
+Supplier#000000010 Saygah3gYWMp72i PY
+DROP DATABASE dbt3_s001;
+set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity;
+set use_stat_tables=@save_use_stat_tables;
+set optimizer_switch=@save_optimizer_switch_for_selectivity_test;
+SET SESSION STORAGE_ENGINE=DEFAULT;
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