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| Current File : //usr/opt/mysql57/mysql-test/t/group_min_max.test |
# The include statement below is a temp one for tests that are yet to
#be ported to run with InnoDB,
#but needs to be kept for tests that would need MyISAM in future.
--source include/force_myisam_default.inc
#
# Test file for WL#1724 (Min/Max Optimization for Queries with Group By Clause).
# The queries in this file test query execution via QUICK_GROUP_MIN_MAX_SELECT.
#
#
# TODO:
# Add queries with:
# - C != const
# - C IS NOT NULL
# - HAVING clause
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1 (
a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(248) default ' '
);
insert into t1 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'),
('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'),
('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'),
('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'),
('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4'),
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4'),
('d','a','a','a411','xy1'),('d','a','a','b411','xy2'),('d','a','a','c411','xy3'),('d','a','a','d411','xy4'),
('d','a','b','e412','xy1'),('d','a','b','f412','xy2'),('d','a','b','g412','xy3'),('d','a','b','h412','xy4'),
('d','b','a','i421','xy1'),('d','b','a','j421','xy2'),('d','b','a','k421','xy3'),('d','b','a','l421','xy4'),
('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4');
create index idx_t1_0 on t1 (a1);
create index idx_t1_1 on t1 (a1,a2,b,c);
create index idx_t1_2 on t1 (a1,a2,b);
analyze table t1;
# t2 is the same as t1, but with some NULLs in the MIN/MAX column, and
# one more nullable attribute
--disable_warnings
drop table if exists t2;
--enable_warnings
create table t2 (
a1 char(64), a2 char(64) not null, b char(16), c char(16), d char(16), dummy char(248) default ' '
);
insert into t2 select * from t1;
# add few rows with NULL's in the MIN/MAX column
insert into t2 (a1, a2, b, c, d) values
('a','a',NULL,'a777','xyz'),('a','a',NULL,'a888','xyz'),('a','a',NULL,'a999','xyz'),
('a','a','a',NULL,'xyz'),
('a','a','b',NULL,'xyz'),
('a','b','a',NULL,'xyz'),
('c','a',NULL,'c777','xyz'),('c','a',NULL,'c888','xyz'),('c','a',NULL,'c999','xyz'),
('d','b','b',NULL,'xyz'),
('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),
('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),
('a','a',NULL,'a777','xyz'),('a','a',NULL,'a888','xyz'),('a','a',NULL,'a999','xyz'),
('a','a','a',NULL,'xyz'),
('a','a','b',NULL,'xyz'),
('a','b','a',NULL,'xyz'),
('c','a',NULL,'c777','xyz'),('c','a',NULL,'c888','xyz'),('c','a',NULL,'c999','xyz'),
('d','b','b',NULL,'xyz'),
('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),('e','a','a',NULL,'xyz'),
('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz'),('e','a','b',NULL,'xyz');
create index idx_t2_0 on t2 (a1);
create index idx_t2_1 on t2 (a1,a2,b,c);
create index idx_t2_2 on t2 (a1,a2,b);
analyze table t2;
# Table t3 is the same as t1, but with smaller column lenghts.
# This allows to test different branches of the cost computation procedure
# when the number of keys per block are less than the number of keys in the
# sub-groups formed by predicates over non-group attributes.
--disable_warnings
drop table if exists t3;
--enable_warnings
create table t3 (
a1 char(1), a2 char(1), b char(1), c char(4) not null, d char(3), dummy char(1) default ' '
);
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
insert into t3 (a1, a2, b, c, d) values
('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'),
('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'),
('a','b','a','i121','xy1'),('a','b','a','j121','xy2'),('a','b','a','k121','xy3'),('a','b','a','l121','xy4'),
('a','b','b','m122','xy1'),('a','b','b','n122','xy2'),('a','b','b','o122','xy3'),('a','b','b','p122','xy4'),
('b','a','a','a211','xy1'),('b','a','a','b211','xy2'),('b','a','a','c211','xy3'),('b','a','a','d211','xy4'),
('b','a','b','e212','xy1'),('b','a','b','f212','xy2'),('b','a','b','g212','xy3'),('b','a','b','h212','xy4'),
('b','b','a','i221','xy1'),('b','b','a','j221','xy2'),('b','b','a','k221','xy3'),('b','b','a','l221','xy4'),
('b','b','b','m222','xy1'),('b','b','b','n222','xy2'),('b','b','b','o222','xy3'),('b','b','b','p222','xy4'),
('c','a','a','a311','xy1'),('c','a','a','b311','xy2'),('c','a','a','c311','xy3'),('c','a','a','d311','xy4'),
('c','a','b','e312','xy1'),('c','a','b','f312','xy2'),('c','a','b','g312','xy3'),('c','a','b','h312','xy4'),
('c','b','a','i321','xy1'),('c','b','a','j321','xy2'),('c','b','a','k321','xy3'),('c','b','a','l321','xy4'),
('c','b','b','m322','xy1'),('c','b','b','n322','xy2'),('c','b','b','o322','xy3'),('c','b','b','p322','xy4');
create index idx_t3_0 on t3 (a1);
create index idx_t3_1 on t3 (a1,a2,b,c);
create index idx_t3_2 on t3 (a1,a2,b);
analyze table t3;
#
# Queries without a WHERE clause. These queries do not use ranges.
#
# plans
explain select a1, min(a2) from t1 group by a1;
explain select a1, max(a2) from t1 group by a1;
explain select a1, min(a2), max(a2) from t1 group by a1;
explain select a1, a2, b, min(c), max(c) from t1 group by a1,a2,b;
explain select a1,a2,b,max(c),min(c) from t1 group by a1,a2,b;
--replace_column 8 # 10 #
explain select a1,a2,b,max(c),min(c) from t2 group by a1,a2,b;
# Select fields in different order
explain select min(a2), a1, max(a2), min(a2), a1 from t1 group by a1;
explain select a1, b, min(c), a1, max(c), b, a2, max(c), max(c) from t1 group by a1, a2, b;
explain select min(a2) from t1 group by a1;
explain select a2, min(c), max(c) from t1 group by a1,a2,b;
# queries
select a1, min(a2) from t1 group by a1;
select a1, max(a2) from t1 group by a1;
select a1, min(a2), max(a2) from t1 group by a1;
select a1, a2, b, min(c), max(c) from t1 group by a1,a2,b;
select a1,a2,b,max(c),min(c) from t1 group by a1,a2,b;
select a1,a2,b,max(c),min(c) from t2 group by a1,a2,b;
# Select fields in different order
select min(a2), a1, max(a2), min(a2), a1 from t1 group by a1;
select a1, b, min(c), a1, max(c), b, a2, max(c), max(c) from t1 group by a1, a2, b;
select min(a2) from t1 group by a1;
select a2, min(c), max(c) from t1 group by a1,a2,b;
#
# Queries with a where clause
#
# A) Preds only over the group 'A' attributes
# plans
explain select a1,a2,b,min(c),max(c) from t1 where a1 < 'd' group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where a1 >= 'b' group by a1,a2,b;
explain select a1,a2,b, max(c) from t1 where a1 >= 'c' or a1 < 'b' group by a1,a2,b;
explain select a1, max(c) from t1 where a1 >= 'c' or a1 < 'b' group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where a1 >= 'c' or a2 < 'b' group by a1,a2,b;
explain select a1,a2,b, max(c) from t1 where a1 = 'z' or a1 = 'b' or a1 = 'd' group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where a1 = 'z' or a1 = 'b' or a1 = 'd' group by a1,a2,b;
explain select a1,a2,b, max(c) from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') group by a1,a2,b;
explain select a1,min(c),max(c) from t1 where a1 >= 'b' group by a1,a2,b;
explain select a1, max(c) from t1 where a1 in ('a','b','d') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b, max(c) from t2 where a1 < 'd' group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where a1 < 'd' group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where a1 >= 'b' group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b, max(c) from t2 where a1 >= 'c' or a1 < 'b' group by a1,a2,b;
--replace_column 10 #
explain select a1, max(c) from t2 where a1 >= 'c' or a1 < 'b' group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where a1 >= 'c' or a2 < 'b' group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b, max(c) from t2 where a1 = 'z' or a1 = 'b' or a1 = 'd' group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where a1 = 'z' or a1 = 'b' or a1 = 'd' group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b, max(c) from t2 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') group by a1,a2,b;
--replace_column 10 #
explain select a1,min(c),max(c) from t2 where a1 >= 'b' group by a1,a2,b;
--replace_column 10 #
explain select a1, max(c) from t2 where a1 in ('a','b','d') group by a1,a2,b;
# queries
select a1,a2,b,min(c),max(c) from t1 where a1 < 'd' group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where a1 >= 'b' group by a1,a2,b;
select a1,a2,b, max(c) from t1 where a1 >= 'c' or a1 < 'b' group by a1,a2,b;
select a1, max(c) from t1 where a1 >= 'c' or a1 < 'b' group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where a1 >= 'c' or a2 < 'b' group by a1,a2,b;
select a1,a2,b, max(c) from t1 where a1 = 'z' or a1 = 'b' or a1 = 'd' group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where a1 = 'z' or a1 = 'b' or a1 = 'd' group by a1,a2,b;
select a1,a2,b, max(c) from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') group by a1,a2,b;
select a1,min(c),max(c) from t1 where a1 >= 'b' group by a1,a2,b;
select a1, max(c) from t1 where a1 in ('a','b','d') group by a1,a2,b;
select a1,a2,b, max(c) from t2 where a1 < 'd' group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where a1 < 'd' group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where a1 >= 'b' group by a1,a2,b;
select a1,a2,b, max(c) from t2 where a1 >= 'c' or a1 < 'b' group by a1,a2,b;
select a1, max(c) from t2 where a1 >= 'c' or a1 < 'b' group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where a1 >= 'c' or a2 < 'b' group by a1,a2,b;
select a1,a2,b, max(c) from t2 where a1 = 'z' or a1 = 'b' or a1 = 'd' group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where a1 = 'z' or a1 = 'b' or a1 = 'd' group by a1,a2,b;
select a1,a2,b, max(c) from t2 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') group by a1,a2,b;
select a1,min(c),max(c) from t2 where a1 >= 'b' group by a1,a2,b;
select a1, max(c) from t2 where a1 in ('a','b','d') group by a1,a2,b;
# B) Equalities only over the non-group 'B' attributes
# plans
explain select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1;
explain select a1,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1;
explain select a1,a2,b, max(c) from t1 where (b = 'b') group by a1,a2;
explain select a1,a2,b,min(c),max(c) from t1 where (b = 'b') group by a1,a2;
explain select a1,a2, max(c) from t1 where (b = 'b') group by a1,a2;
explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') group by a1;
explain select a1,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') group by a1;
explain select a1,a2,b, max(c) from t2 where (b = 'b') group by a1,a2;
explain select a1,a2,b,min(c),max(c) from t2 where (b = 'b') group by a1,a2;
explain select a1,a2, max(c) from t2 where (b = 'b') group by a1,a2;
# these queries test case 2) in TRP_GROUP_MIN_MAX::update_cost()
explain select a1,a2,b,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1;
explain select a1,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1;
# queries
select a1,a2,b,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1;
select a1,max(c),min(c) from t1 where (a2 = 'a') and (b = 'b') group by a1;
select a1,a2,b, max(c) from t1 where (b = 'b') group by a1,a2;
select a1,a2,b,min(c),max(c) from t1 where (b = 'b') group by a1,a2;
select a1,a2, max(c) from t1 where (b = 'b') group by a1,a2;
select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') group by a1;
select a1,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') group by a1;
select a1,a2,b, max(c) from t2 where (b = 'b') group by a1,a2;
select a1,a2,b,min(c),max(c) from t2 where (b = 'b') group by a1,a2;
select a1,a2, max(c) from t2 where (b = 'b') group by a1,a2;
# these queries test case 2) in TRP_GROUP_MIN_MAX::update_cost()
select a1,a2,b,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1;
select a1,max(c),min(c) from t3 where (a2 = 'a') and (b = 'b') group by a1;
# IS NULL (makes sense for t2 only)
# plans
# SQL standard does not impose recognition of 'b IS NULL' as
# a functional dependency of {b} on {}.
# These queries are home-grown.
--source include/turn_off_only_full_group_by.inc
explain select a1,a2,b,min(c) from t2 where (a2 = 'a') and b is NULL group by a1;
explain select a1,a2,b,max(c) from t2 where (a2 = 'a') and b is NULL group by a1;
explain select a1,a2,b,min(c) from t2 where b is NULL group by a1,a2;
explain select a1,a2,b,max(c) from t2 where b is NULL group by a1,a2;
explain select a1,a2,b,min(c),max(c) from t2 where b is NULL group by a1,a2;
explain select a1,a2,b,min(c),max(c) from t2 where b is NULL group by a1,a2;
# queries
select a1,a2,b,min(c) from t2 where (a2 = 'a') and b is NULL group by a1;
select a1,a2,b,max(c) from t2 where (a2 = 'a') and b is NULL group by a1;
select a1,a2,b,min(c) from t2 where b is NULL group by a1,a2;
select a1,a2,b,max(c) from t2 where b is NULL group by a1,a2;
select a1,a2,b,min(c),max(c) from t2 where b is NULL group by a1,a2;
select a1,a2,b,min(c),max(c) from t2 where b is NULL group by a1,a2;
--source include/restore_sql_mode_after_turn_off_only_full_group_by.inc
# C) Range predicates for the MIN/MAX attribute
# plans
--replace_column 10 #
explain select a1,a2,b, max(c) from t1 where (c > 'b1') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (c > 'b1') group by a1,a2,b;
explain select a1,a2,b, max(c) from t1 where (c > 'f123') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (c > 'f123') group by a1,a2,b;
explain select a1,a2,b, max(c) from t1 where (c < 'a0') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (c < 'a0') group by a1,a2,b;
explain select a1,a2,b, max(c) from t1 where (c < 'k321') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (c < 'k321') group by a1,a2,b;
explain select a1,a2,b, max(c) from t1 where (c < 'a0') or (c > 'b1') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (c < 'a0') or (c > 'b1') group by a1,a2,b;
explain select a1,a2,b, max(c) from t1 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (c > 'b111') and (c <= 'g112') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (c < 'c5') or (c = 'g412') or (c = 'k421') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where ((c > 'b111') and (c <= 'g112')) or ((c > 'd000') and (c <= 'i110')) group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (c between 'b111' and 'g112') or (c between 'd000' and 'i110') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b, max(c) from t2 where (c > 'b1') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (c > 'b1') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b, max(c) from t2 where (c > 'f123') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (c > 'f123') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b, max(c) from t2 where (c < 'a0') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (c < 'a0') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b, max(c) from t2 where (c < 'k321') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (c < 'k321') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b, max(c) from t2 where (c < 'a0') or (c > 'b1') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (c < 'a0') or (c > 'b1') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b, max(c) from t2 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (c > 'b111') and (c <= 'g112') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (c < 'c5') or (c = 'g412') or (c = 'k421') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where ((c > 'b111') and (c <= 'g112')) or ((c > 'd000') and (c <= 'i110')) group by a1,a2,b;
# queries
select a1,a2,b, max(c) from t1 where (c > 'b1') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (c > 'b1') group by a1,a2,b;
select a1,a2,b, max(c) from t1 where (c > 'f123') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (c > 'f123') group by a1,a2,b;
select a1,a2,b, max(c) from t1 where (c < 'a0') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (c < 'a0') group by a1,a2,b;
select a1,a2,b, max(c) from t1 where (c < 'k321') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (c < 'k321') group by a1,a2,b;
select a1,a2,b, max(c) from t1 where (c < 'a0') or (c > 'b1') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (c < 'a0') or (c > 'b1') group by a1,a2,b;
select a1,a2,b, max(c) from t1 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (c > 'b111') and (c <= 'g112') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (c < 'c5') or (c = 'g412') or (c = 'k421') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where ((c > 'b111') and (c <= 'g112')) or ((c > 'd000') and (c <= 'i110')) group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (c between 'b111' and 'g112') or (c between 'd000' and 'i110') group by a1,a2,b;
select a1,a2,b, max(c) from t2 where (c > 'b1') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (c > 'b1') group by a1,a2,b;
select a1,a2,b, max(c) from t2 where (c > 'f123') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (c > 'f123') group by a1,a2,b;
select a1,a2,b, max(c) from t2 where (c < 'a0') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (c < 'a0') group by a1,a2,b;
select a1,a2,b, max(c) from t2 where (c < 'k321') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (c < 'k321') group by a1,a2,b;
select a1,a2,b, max(c) from t2 where (c < 'a0') or (c > 'b1') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (c < 'a0') or (c > 'b1') group by a1,a2,b;
select a1,a2,b, max(c) from t2 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (c > 'b1') or (c <= 'g1') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (c > 'b111') and (c <= 'g112') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (c < 'c5') or (c = 'g412') or (c = 'k421') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where ((c > 'b111') and (c <= 'g112')) or ((c > 'd000') and (c <= 'i110')) group by a1,a2,b;
# analyze the sub-select
explain select a1,a2,b,min(c),max(c) from t1
where exists ( select * from t2 where t2.c = t1.c )
group by a1,a2,b;
# the sub-select is unrelated to MIN/MAX
explain select a1,a2,b,min(c),max(c) from t1
where exists ( select * from t2 where t2.c > 'b1' )
group by a1,a2,b;
# A,B,C) Predicates referencing mixed classes of attributes
# plans
explain select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (c > 'b111') group by a1,a2,b;
explain select a1,a2,b,min(c),max(c) from t1 where (a2 >= 'b') and (b = 'a') and (c > 'b111') group by a1,a2,b;
explain select a1,a2,b,min(c) from t1 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c < 'h112') or (c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122')) group by a1,a2,b;
explain select a1,a2,b,min(c) from t1 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122') or (c < 'h112') or (c = 'c111')) group by a1,a2,b;
explain select a1,a2,b,min(c) from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
explain select a1,a2,b,min(c) from t1 where (ord(a1) > 97) and (ord(a2) + ord(a1) > 194) and (b = 'c') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (a1 >= 'c' or a2 < 'b') and (c > 'b111') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c),max(c) from t2 where (a2 >= 'b') and (b = 'a') and (c > 'b111') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c) from t2 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c < 'h112') or (c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122')) group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c) from t2 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122') or (c < 'h112') or (c = 'c111')) group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,min(c) from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
# queries
select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (c > 'b111') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t1 where (a2 >= 'b') and (b = 'a') and (c > 'b111') group by a1,a2,b;
select a1,a2,b,min(c) from t1 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c < 'h112') or (c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122')) group by a1,a2,b;
select a1,a2,b,min(c) from t1 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122') or (c < 'h112') or (c = 'c111')) group by a1,a2,b;
select a1,a2,b,min(c) from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
select a1,a2,b,min(c) from t1 where (ord(a1) > 97) and (ord(a2) + ord(a1) > 194) and (b = 'c') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (a1 >= 'c' or a2 < 'b') and (c > 'b111') group by a1,a2,b;
select a1,a2,b,min(c),max(c) from t2 where (a2 >= 'b') and (b = 'a') and (c > 'b111') group by a1,a2,b;
select a1,a2,b,min(c) from t2 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c < 'h112') or (c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122')) group by a1,a2,b;
select a1,a2,b,min(c) from t2 where ((a1 > 'a') or (a1 < '9')) and ((a2 >= 'b') and (a2 < 'z')) and (b = 'a') and ((c = 'j121') or (c > 'k121' and c < 'm122') or (c > 'o122') or (c < 'h112') or (c = 'c111')) group by a1,a2,b;
select a1,a2,b,min(c) from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
#
# GROUP BY queries without MIN/MAX
#
# plans
explain select a1,a2,b from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b;
explain select a1,a2,b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
explain select a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b;
explain select a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b from t2 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b;
--replace_column 10 #
explain select a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
# queries
select a1,a2,b from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b;
select a1,a2,b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
select a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b;
select a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
select a1,a2,b from t2 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b;
select a1,a2,b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
select a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b;
select a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
#
# DISTINCT queries
#
# plans
explain select distinct a1,a2,b from t1;
explain select distinct a1,a2,b from t1 where (a2 >= 'b') and (b = 'a');
explain extended select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121');
explain select distinct a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c');
explain select distinct b from t1 where (a2 >= 'b') and (b = 'a');
--replace_column 10 #
explain select distinct a1,a2,b from t2;
--replace_column 10 #
explain select distinct a1,a2,b from t2 where (a2 >= 'b') and (b = 'a');
explain extended select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121');
--replace_column 10 #
explain select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c');
explain select distinct b from t2 where (a2 >= 'b') and (b = 'a');
# queries
select distinct a1,a2,b from t1;
select distinct a1,a2,b from t1 where (a2 >= 'b') and (b = 'a');
select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121');
select distinct a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c');
select distinct b from t1 where (a2 >= 'b') and (b = 'a');
select distinct a1,a2,b from t2;
select distinct a1,a2,b from t2 where (a2 >= 'b') and (b = 'a');
select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121');
select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c');
select distinct b from t2 where (a2 >= 'b') and (b = 'a');
# BUG #6303
select distinct t_00.a1
from t1 t_00
where exists ( select * from t2 where a1 = t_00.a1 );
# BUG #8532 - SELECT DISTINCT a, a causes server to crash
select distinct a1,a1 from t1;
select distinct a2,a1,a2,a1 from t1;
select distinct t1.a1,t2.a1 from t1,t2;
#
# DISTINCT queries with GROUP-BY
#
# plans
#--source include/turn_off_only_full_group_by.inc
explain select distinct a1,a2,b from t1;
explain select distinct a1,a2,b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
explain select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b;
explain select distinct a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
explain select distinct b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
--replace_column 10 #
explain select distinct a1,a2,b from t2;
--replace_column 10 #
explain select distinct a1,a2,b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
--replace_column 10 #
explain select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b;
--replace_column 10 #
explain select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
--replace_column 10 #
explain select distinct b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
# queries
select distinct a1,a2,b from t1;
select distinct a1,a2,b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b;
select distinct a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
select distinct b from t1 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
select distinct a1,a2,b from t2;
select distinct a1,a2,b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a') and (c = 'i121') group by a1,a2,b;
select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
select distinct b from t2 where (a2 >= 'b') and (b = 'a') group by a1,a2,b;
#--source include/restore_sql_mode_after_turn_off_only_full_group_by.inc
#
# COUNT (DISTINCT cols) queries
#
explain select count(distinct a1,a2,b) from t1 where (a2 >= 'b') and (b = 'a');
explain select count(distinct a1,a2,b,c) from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121');
explain extended select count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c');
explain select count(distinct b) from t1 where (a2 >= 'b') and (b = 'a');
explain extended select 98 + count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a');
select count(distinct a1,a2,b) from t1 where (a2 >= 'b') and (b = 'a');
select count(distinct a1,a2,b,c) from t1 where (a2 >= 'b') and (b = 'a') and (c = 'i121');
select count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c');
select count(distinct b) from t1 where (a2 >= 'b') and (b = 'a');
select 98 + count(distinct a1,a2,b) from t1 where (a1 > 'a') and (a2 > 'a');
#
# Queries with expressions in the select clause
#
explain select a1,a2,b, concat(min(c), max(c)) from t1 where a1 < 'd' group by a1,a2,b;
explain select concat(a1,min(c)),b from t1 where a1 < 'd' group by a1,a2,b;
explain select concat(a1,min(c)),b,max(c) from t1 where a1 < 'd' group by a1,a2,b;
explain select concat(a1,a2),b,min(c),max(c) from t1 where a1 < 'd' group by a1,a2,b;
explain select concat(ord(min(b)),ord(max(b))),min(b),max(b) from t1 group by a1,a2;
select a1,a2,b, concat(min(c), max(c)) from t1 where a1 < 'd' group by a1,a2,b;
select concat(a1,min(c)),b from t1 where a1 < 'd' group by a1,a2,b;
select concat(a1,min(c)),b,max(c) from t1 where a1 < 'd' group by a1,a2,b;
select concat(a1,a2),b,min(c),max(c) from t1 where a1 < 'd' group by a1,a2,b;
select concat(ord(min(b)),ord(max(b))),min(b),max(b) from t1 group by a1,a2;
#
# Negative examples: queries that should NOT be treated as optimizable by
# QUICK_GROUP_MIN_MAX_SELECT
#
# select a non-indexed attribute
--source include/turn_off_only_full_group_by.inc
explain select a1,a2,b,d,min(c),max(c) from t1 group by a1,a2,b;
explain select a1,a2,b,d from t1 group by a1,a2,b;
# predicate that references an attribute that is after the MIN/MAX argument
# in the index
explain extended select a1,a2,min(b),max(b) from t1
where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (c > 'a111') group by a1,a2;
# predicate that references a non-indexed attribute
explain extended select a1,a2,b,min(c),max(c) from t1
where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (d > 'xy2') group by a1,a2,b;
explain extended select a1,a2,b,c from t1
where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (d > 'xy2') group by a1,a2,b,c;
# non-equality predicate for a non-group select attribute
explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') or (b < 'b') group by a1;
explain extended select a1,a2,b from t1 where (a1 = 'b' or a1 = 'd' or a1 = 'a' or a1 = 'c') and (a2 > 'a') and (c > 'a111') group by a1,a2,b;
# non-group field with an equality predicate that references a keypart after the
# MIN/MAX argument
explain select a1,a2,min(b),c from t2 where (a2 = 'a') and (c = 'a111') group by a1;
select a1,a2,min(b),c from t2 where (a2 = 'a') and (c = 'a111') group by a1;
# disjunction for a non-group select attribute
explain select a1,a2,b,max(c),min(c) from t2 where (a2 = 'a') and (b = 'b') or (b = 'a') group by a1;
--source include/restore_sql_mode_after_turn_off_only_full_group_by.inc
# non-range predicate for the MIN/MAX attribute
explain select a1,a2,b,min(c),max(c) from t2
where (c > 'a000') and (c <= 'd999') and (c like '_8__') group by a1,a2,b;
# not all attributes are indexed by one index
explain select a1, a2, b, c, min(d), max(d) from t1 group by a1,a2,b,c;
# other aggregate functions than MIN/MAX
explain select a1,a2,count(a2) from t1 group by a1,a2,b;
explain extended select a1,a2,count(a2) from t1 where (a1 > 'a') group by a1,a2,b;
explain extended select sum(ord(a1)) from t1 where (a1 > 'a') group by a1,a2,b;
#
# Bug #16710: select distinct doesn't return all it should
#
explain select distinct(a1) from t1 where ord(a2) = 98;
select distinct(a1) from t1 where ord(a2) = 98;
#
# BUG#11044: DISTINCT or GROUP BY queries with equality predicates instead of MIN/MAX.
#
explain select a1 from t1 where a2 = 'b' group by a1;
select a1 from t1 where a2 = 'b' group by a1;
explain select distinct a1 from t1 where a2 = 'b';
select distinct a1 from t1 where a2 = 'b';
#
# Bug #12672: primary key implcitly included in every innodb index
#
# Test case moved to group_min_max_innodb
#
# Bug #6142: a problem with the empty innodb table
#
# Test case moved to group_min_max_innodb
#
# Bug #9798: group by with rollup
#
# Test case moved to group_min_max_innodb
#
# Bug #13293 Wrongly used index results in endless loop.
#
# Test case moved to group_min_max_innodb
drop table t1,t2,t3;
#
# Bug #14920 Ordering aggregated result sets with composite primary keys
# corrupts resultset
#
create table t1 (c1 int not null,c2 int not null, primary key(c1,c2));
insert into t1 (c1,c2) values
(10,1),(10,2),(10,3),(20,4),(20,5),(20,6),(30,7),(30,8),(30,9);
select distinct c1, c2 from t1 order by c2;
select c1,min(c2) as c2 from t1 group by c1 order by c2;
select c1,c2 from t1 group by c1,c2 order by c2;
drop table t1;
#
# Bug #16203: Analysis for possible min/max optimization erroneously
# returns impossible range
#
CREATE TABLE t1 (a varchar(5), b int(11), PRIMARY KEY (a,b));
INSERT INTO t1 VALUES ('AA',1), ('AA',2), ('AA',3), ('BB',1), ('AA',4);
OPTIMIZE TABLE t1;
SELECT a FROM t1 WHERE a='AA' GROUP BY a;
SELECT a FROM t1 WHERE a='BB' GROUP BY a;
EXPLAIN SELECT a FROM t1 WHERE a='AA' GROUP BY a;
EXPLAIN SELECT a FROM t1 WHERE a='BB' GROUP BY a;
SELECT DISTINCT a FROM t1 WHERE a='BB';
SELECT DISTINCT a FROM t1 WHERE a LIKE 'B%';
SELECT a FROM t1 WHERE a LIKE 'B%' GROUP BY a;
DROP TABLE t1;
#
# Bug #15102: select distinct returns empty result, select count
# distinct > 0 (correct)
#
CREATE TABLE t1 (
a int(11) NOT NULL DEFAULT '0',
b varchar(16) COLLATE latin1_general_ci NOT NULL DEFAULT '',
PRIMARY KEY (a,b)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
delimiter |;
CREATE PROCEDURE a(x INT)
BEGIN
DECLARE rnd INT;
DECLARE cnt INT;
WHILE x > 0 DO
SET rnd= x % 100;
SET cnt = (SELECT COUNT(*) FROM t1 WHERE a = rnd);
INSERT INTO t1(a,b) VALUES (rnd, CAST(cnt AS CHAR));
SET x= x - 1;
END WHILE;
END|
DELIMITER ;|
CALL a(1000);
SELECT a FROM t1 WHERE a=0;
SELECT DISTINCT a FROM t1 WHERE a=0;
SELECT COUNT(DISTINCT a) FROM t1 WHERE a=0;
DROP TABLE t1;
DROP PROCEDURE a;
#
# Bug #18068: SELECT DISTINCT
#
CREATE TABLE t1 (a varchar(64) NOT NULL default '', PRIMARY KEY(a));
INSERT INTO t1 (a) VALUES
(''), ('CENTRAL'), ('EASTERN'), ('GREATER LONDON'),
('NORTH CENTRAL'), ('NORTH EAST'), ('NORTH WEST'), ('SCOTLAND'),
('SOUTH EAST'), ('SOUTH WEST'), ('WESTERN');
EXPLAIN SELECT DISTINCT a,a FROM t1 ORDER BY a;
SELECT DISTINCT a,a FROM t1 ORDER BY a;
DROP TABLE t1;
#
# Bug #21007: NATURAL JOIN (any JOIN (2 x NATURAL JOIN)) crashes the server
#
CREATE TABLE t1 (id1 INT, id2 INT);
CREATE TABLE t2 (id2 INT, id3 INT, id5 INT);
CREATE TABLE t3 (id3 INT, id4 INT);
CREATE TABLE t4 (id4 INT);
CREATE TABLE t5 (id5 INT, id6 INT);
CREATE TABLE t6 (id6 INT);
INSERT INTO t1 VALUES(1,1);
INSERT INTO t2 VALUES(1,1,1);
INSERT INTO t3 VALUES(1,1);
INSERT INTO t4 VALUES(1);
INSERT INTO t5 VALUES(1,1);
INSERT INTO t6 VALUES(1);
# original bug query
SELECT * FROM
t1
NATURAL JOIN
(t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6)
ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5));
# inner join swapped
SELECT * FROM
t1
NATURAL JOIN
(((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6) on t3.id4 = t5.id5) JOIN t2
ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5));
# one join less, no ON cond
SELECT * FROM t1 NATURAL JOIN ((t3 join (t5 NATURAL JOIN t6)) JOIN t2);
# wrong error message: 'id2' - ambiguous column
SELECT * FROM
(t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6)
ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5))
NATURAL JOIN
t1;
SELECT * FROM
(t2 JOIN ((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6)))
NATURAL JOIN
t1;
DROP TABLE t1,t2,t3,t4,t5,t6;
#
# Bug#22342: No results returned for query using max and group by
#
CREATE TABLE t1 (a int, b int, PRIMARY KEY (a,b), KEY b (b));
INSERT INTO t1 VALUES (1,1),(1,2),(1,0),(1,3);
INSERT INTO t1 VALUES (2,1),(2,2),(2,0),(2,3);
INSERT INTO t1 VALUES (3,1),(3,2),(3,0),(3,3);
ANALYZE TABLE t1;
explain SELECT MAX(b), a FROM t1 WHERE b < 2 AND a = 1 GROUP BY a;
SELECT MAX(b), a FROM t1 WHERE b < 2 AND a = 1 GROUP BY a;
SELECT MIN(b), a FROM t1 WHERE b > 1 AND a = 1 GROUP BY a;
CREATE TABLE t2 (a int, b int, c int, PRIMARY KEY (a,b,c));
INSERT INTO t2 SELECT a,b,b FROM t1;
ANALYZE TABLE t2;
explain SELECT MIN(c) FROM t2 WHERE b = 2 and a = 1 and c > 1 GROUP BY a;
SELECT MIN(c) FROM t2 WHERE b = 2 and a = 1 and c > 1 GROUP BY a;
DROP TABLE t1,t2;
#
# Bug#24156: Loose index scan not used with CREATE TABLE ...SELECT and similar statements
#
CREATE TABLE t1 (a INT, b INT, INDEX (a,b));
INSERT INTO t1 (a, b) VALUES (1,1), (1,2), (1,3), (1,4), (1,5),
(2,2), (2,3), (2,1), (3,1), (4,1), (4,2), (4,3), (4,4), (4,5), (4,6),
(5,1), (5,2), (5,3), (5,4), (5,5);
EXPLAIN SELECT max(b), a FROM t1 GROUP BY a;
FLUSH STATUS;
SELECT max(b), a FROM t1 GROUP BY a;
SHOW STATUS LIKE 'handler_read__e%';
EXPLAIN SELECT max(b), a FROM t1 GROUP BY a;
FLUSH STATUS;
CREATE TABLE t2 SELECT max(b), a FROM t1 GROUP BY a;
SHOW STATUS LIKE 'handler_read__e%';
FLUSH STATUS;
SELECT * FROM (SELECT max(b), a FROM t1 GROUP BY a) b;
SHOW STATUS LIKE 'handler_read__e%';
FLUSH STATUS;
(SELECT max(b), a FROM t1 GROUP BY a) UNION
(SELECT max(b), a FROM t1 GROUP BY a);
SHOW STATUS LIKE 'handler_read__e%';
EXPLAIN (SELECT max(b), a FROM t1 GROUP BY a) UNION
(SELECT max(b), a FROM t1 GROUP BY a);
EXPLAIN SELECT (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) x
FROM t1 AS t1_outer;
EXPLAIN SELECT 1 FROM t1 AS t1_outer WHERE EXISTS
(SELECT max(b) FROM t1 GROUP BY a HAVING a < 2);
EXPLAIN SELECT 1 FROM t1 AS t1_outer WHERE
(SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) > 12;
EXPLAIN SELECT 1 FROM t1 AS t1_outer WHERE
a IN (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2);
EXPLAIN SELECT 1 FROM t1 AS t1_outer GROUP BY a HAVING
a > (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2);
EXPLAIN SELECT 1 FROM t1 AS t1_outer1 JOIN t1 AS t1_outer2
ON t1_outer1.a = (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2)
AND t1_outer1.b = t1_outer2.b;
EXPLAIN SELECT (SELECT (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) x
FROM t1 AS t1_outer) x2 FROM t1 AS t1_outer2;
CREATE TABLE t3 LIKE t1;
FLUSH STATUS;
INSERT INTO t3 SELECT a,MAX(b) FROM t1 GROUP BY a;
SHOW STATUS LIKE 'handler_read__e%';
DELETE FROM t3;
FLUSH STATUS;
INSERT INTO t3 SELECT 1, (SELECT MAX(b) FROM t1 GROUP BY a HAVING a < 2)
FROM t1 LIMIT 1;
SHOW STATUS LIKE 'handler_read__e%';
FLUSH STATUS;
DELETE FROM t3 WHERE (SELECT MAX(b) FROM t1 GROUP BY a HAVING a < 2) > 10000;
SHOW STATUS LIKE 'handler_read__e%';
FLUSH STATUS;
--error ER_SUBQUERY_NO_1_ROW
DELETE FROM t3 WHERE (SELECT (SELECT MAX(b) FROM t1 GROUP BY a HAVING a < 2) x
FROM t1) > 10000;
SHOW STATUS LIKE 'handler_read__e%';
DROP TABLE t1,t2,t3;
#
# Bug#25602: queries with DISTINCT and SQL_BIG_RESULT hint
# for which loose scan optimization is applied
#
CREATE TABLE t1 (a int, INDEX idx(a));
INSERT INTO t1 VALUES
(4), (2), (1), (2), (4), (2), (1), (4),
(4), (2), (1), (2), (2), (4), (1), (4),
(4), (2), (1), (2), (2), (4), (1), (4);
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT DISTINCT(a) FROM t1;
SELECT DISTINCT(a) FROM t1;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT SQL_BIG_RESULT DISTINCT(a) FROM t1;
SELECT SQL_BIG_RESULT DISTINCT(a) FROM t1;
DROP TABLE t1;
#
# Bug #32268: Indexed queries give bogus MIN and MAX results
#
CREATE TABLE t1 (a INT, b INT);
INSERT INTO t1 (a, b) VALUES (1,1), (1,2), (1,3);
INSERT INTO t1 SELECT a + 1, b FROM t1;
INSERT INTO t1 SELECT a + 2, b FROM t1;
INSERT INTO t1 SELECT a + 4, b FROM t1;
EXPLAIN
SELECT a, MIN(b), MAX(b) FROM t1 GROUP BY a ORDER BY a DESC;
SELECT a, MIN(b), MAX(b) FROM t1 GROUP BY a ORDER BY a DESC;
CREATE INDEX break_it ON t1 (a, b);
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN
SELECT a, MIN(b), MAX(b) FROM t1 GROUP BY a ORDER BY a;
SELECT a, MIN(b), MAX(b) FROM t1 GROUP BY a ORDER BY a;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN
SELECT a, MIN(b), MAX(b) FROM t1 GROUP BY a ORDER BY a DESC;
SELECT a, MIN(b), MAX(b) FROM t1 GROUP BY a ORDER BY a DESC;
EXPLAIN
SELECT a, MIN(b), MAX(b), AVG(b) FROM t1 GROUP BY a ORDER BY a DESC;
SELECT a, MIN(b), MAX(b), AVG(b) FROM t1 GROUP BY a ORDER BY a DESC;
DROP TABLE t1;
#
# Bug#38195: Incorrect handling of aggregate functions when loose index scan is
# used causes server crash.
#
create table t1 (a int, b int, primary key (a,b), key `index` (a,b)) engine=MyISAM;
insert into t1 (a,b) values
(0,0),(0,1),(0,2),(0,3),(0,4),(0,5),(0,6),
(0,7),(0,8),(0,9),(0,10),(0,11),(0,12),(0,13),
(1,0),(1,1),(1,2),(1,3),(1,4),(1,5),(1,6),
(1,7),(1,8),(1,9),(1,10),(1,11),(1,12),(1,13),
(2,0),(2,1),(2,2),(2,3),(2,4),(2,5),(2,6),
(2,7),(2,8),(2,9),(2,10),(2,11),(2,12),(2,13),
(3,0),(3,1),(3,2),(3,3),(3,4),(3,5),(3,6),
(3,7),(3,8),(3,9),(3,10),(3,11),(3,12),(3,13);
insert into t1 (a,b) select a, max(b)+1 from t1 where a = 0 group by a;
select * from t1;
explain extended select sql_buffer_result a, max(b)+1 from t1 where a = 0 group by a;
drop table t1;
#
# Bug #41610: key_infix_len can be overwritten causing some group by queries
# to return no rows
#
CREATE TABLE t1 (a int, b int, c int, d int,
KEY foo (c,d,a,b), KEY bar (c,a,b,d));
INSERT INTO t1 VALUES (1, 1, 1, 1), (1, 1, 1, 2), (1, 1, 1, 3), (1, 1, 1, 4);
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT a,b,c+1,d FROM t1;
#Should be non-empty
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT DISTINCT c FROM t1 WHERE d=4;
SELECT DISTINCT c FROM t1 WHERE d=4;
DROP TABLE t1;
--echo #
--echo # Bug #45386: Wrong query result with MIN function in field list,
--echo # WHERE and GROUP BY clause
--echo #
CREATE TABLE t (a INT, b INT, INDEX (a,b));
INSERT INTO t VALUES (2,0), (2,0), (2,1), (2,1);
INSERT INTO t SELECT * FROM t;
INSERT INTO t SELECT * FROM t;
INSERT INTO t SELECT * FROM t;
--echo # test MIN
--echo #should use range with index for group by
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN
SELECT a, MIN(b) FROM t WHERE b <> 0 GROUP BY a;
--echo #should return 1 row
SELECT a, MIN(b) FROM t WHERE b <> 0 GROUP BY a;
--echo # test MAX
--echo #should use range with index for group by
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN
SELECT a, MAX(b) FROM t WHERE b <> 1 GROUP BY a;
--echo #should return 1 row
SELECT a, MAX(b) FROM t WHERE b <> 1 GROUP BY a;
--echo # test 3 ranges and use the middle one
INSERT INTO t SELECT a, 2 FROM t;
--echo #should use range with index for group by
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN
SELECT a, MAX(b) FROM t WHERE b > 0 AND b < 2 GROUP BY a;
--echo #should return 1 row
SELECT a, MAX(b) FROM t WHERE b > 0 AND b < 2 GROUP BY a;
DROP TABLE t;
--echo #
--echo # Bug #48472: Loose index scan inappropriately chosen for some WHERE
--echo # conditions
--echo #
CREATE TABLE t (a INT, b INT, INDEX (a,b));
INSERT INTO t VALUES (2,0), (2,0), (2,1), (2,1);
INSERT INTO t SELECT * FROM t;
SELECT a, MAX(b) FROM t WHERE 0=b+0 GROUP BY a;
DROP TABLE t;
--echo End of 5.0 tests
--echo #
--echo # Bug #46607: Assertion failed: (cond_type == Item::FUNC_ITEM) results in
--echo # server crash
--echo #
CREATE TABLE t (a INT, b INT, INDEX (a,b));
INSERT INTO t VALUES (2,0), (2,0), (2,1), (2,1);
INSERT INTO t SELECT * FROM t;
SELECT a, MAX(b) FROM t WHERE b GROUP BY a;
DROP TABLE t;
#
# BUG#49902 - SELECT returns incorrect results
#
CREATE TABLE t1(a INT NOT NULL, b INT NOT NULL, KEY (b));
INSERT INTO t1 VALUES(1,1),(2,1);
ANALYZE TABLE t1;
SELECT 1 AS c, b FROM t1 WHERE b IN (1,2) GROUP BY c, b;
SELECT a FROM t1 WHERE b=1;
DROP TABLE t1;
--echo #
--echo # Bug#47762: Incorrect result from MIN() when WHERE tests NOT NULL column
--echo # for NULL
--echo #
--echo ## Test for NULLs allowed
CREATE TABLE t1 ( a INT, KEY (a) );
INSERT INTO t1 VALUES (1), (2), (3);
--source include/min_null_cond.inc
INSERT INTO t1 VALUES (NULL), (NULL);
--source include/min_null_cond.inc
DROP TABLE t1;
--echo ## Test for NOT NULLs
CREATE TABLE t1 ( a INT NOT NULL PRIMARY KEY);
INSERT INTO t1 VALUES (1), (2), (3);
--echo #
--echo # NULL-safe operator test disabled for non-NULL indexed columns.
--echo #
--echo # See bugs
--echo #
--echo # - Bug#52173: Reading NULL value from non-NULL index gives
--echo # wrong result in embedded server
--echo #
--echo # - Bug#52174: Sometimes wrong plan when reading a MAX value from
--echo # non-NULL index
--echo #
--let $skip_null_safe_test= 1
--source include/min_null_cond.inc
DROP TABLE t1;
--echo #
--echo # Bug#53859: Valgrind: opt_sum_query(TABLE_LIST*, List<Item>&, Item*) at
--echo # opt_sum.cc:305
--echo #
CREATE TABLE t1 ( a INT, KEY (a) );
INSERT INTO t1 VALUES (1), (2), (3);
SELECT MIN( a ) AS min_a
FROM t1
WHERE a > 1 AND a IS NULL
ORDER BY min_a;
DROP TABLE t1;
--echo End of 5.1 tests
--echo #
--echo # WL#3220 (Loose index scan for COUNT DISTINCT)
--echo #
CREATE TABLE t1 (a INT, b INT, c INT, KEY (a,b));
INSERT INTO t1 VALUES (1,1,1), (1,2,1), (1,3,1), (1,4,1);
INSERT INTO t1 SELECT a, b + 4, 1 FROM t1;
INSERT INTO t1 SELECT a + 1, b, 1 FROM t1;
INSERT INTO t1 SELECT a + 2, b + 8, 1 FROM t1;
CREATE TABLE t2 (a INT, b INT, c INT, d INT, e INT, f INT, KEY (a,b,c));
INSERT INTO t2 VALUES (1,1,1,1,1,1), (1,2,1,1,1,1), (1,3,1,1,1,1),
(1,4,1,1,1,1);
INSERT INTO t2 SELECT a, b + 4, c,d,e,f FROM t2;
INSERT INTO t2 SELECT a + 1, b, c,d,e,f FROM t2;
INSERT INTO t2 SELECT a + 2, b + 8, c,d,e,f FROM t2;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT COUNT(DISTINCT a) FROM t1;
SELECT COUNT(DISTINCT a) FROM t1;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT COUNT(DISTINCT a,b) FROM t1;
SELECT COUNT(DISTINCT a,b) FROM t1;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT COUNT(DISTINCT b,a) FROM t1;
SELECT COUNT(DISTINCT b,a) FROM t1;
EXPLAIN SELECT COUNT(DISTINCT b) FROM t1;
SELECT COUNT(DISTINCT b) FROM t1;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT COUNT(DISTINCT a) FROM t1 GROUP BY a;
SELECT COUNT(DISTINCT a) FROM t1 GROUP BY a;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT COUNT(DISTINCT b) FROM t1 GROUP BY a;
SELECT COUNT(DISTINCT b) FROM t1 GROUP BY a;
EXPLAIN SELECT COUNT(DISTINCT a) FROM t1 GROUP BY b;
SELECT COUNT(DISTINCT a) FROM t1 GROUP BY b;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT DISTINCT COUNT(DISTINCT a) FROM t1;
SELECT DISTINCT COUNT(DISTINCT a) FROM t1;
EXPLAIN SELECT COUNT(DISTINCT a, b + 0) FROM t1;
SELECT COUNT(DISTINCT a, b + 0) FROM t1;
EXPLAIN SELECT COUNT(DISTINCT a) FROM t1 HAVING COUNT(DISTINCT b) < 20;
SELECT COUNT(DISTINCT a) FROM t1 HAVING COUNT(DISTINCT b) < 20;
EXPLAIN SELECT COUNT(DISTINCT a) FROM t1 HAVING COUNT(DISTINCT c) < 10;
SELECT COUNT(DISTINCT a) FROM t1 HAVING COUNT(DISTINCT c) < 10;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT 1 FROM t1 HAVING COUNT(DISTINCT a) < 10;
SELECT 1 FROM t1 HAVING COUNT(DISTINCT a) < 10;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT 1 FROM t1 GROUP BY a HAVING COUNT(DISTINCT b) > 1;
SELECT 1 FROM t1 GROUP BY a HAVING COUNT(DISTINCT b) > 1;
EXPLAIN SELECT COUNT(DISTINCT t1_1.a) FROM t1 t1_1, t1 t1_2 GROUP BY t1_1.a;
SELECT COUNT(DISTINCT t1_1.a) FROM t1 t1_1, t1 t1_2 GROUP BY t1_1.a;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT COUNT(DISTINCT a), 12 FROM t1;
SELECT COUNT(DISTINCT a), 12 FROM t1;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT COUNT(DISTINCT a, b, c) FROM t2;
SELECT COUNT(DISTINCT a, b, c) FROM t2;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT COUNT(DISTINCT a), SUM(DISTINCT a), AVG(DISTINCT a) FROM t2;
SELECT COUNT(DISTINCT a), SUM(DISTINCT a), AVG(DISTINCT a) FROM t2;
EXPLAIN SELECT COUNT(DISTINCT a), SUM(DISTINCT a), AVG(DISTINCT f) FROM t2;
SELECT COUNT(DISTINCT a), SUM(DISTINCT a), AVG(DISTINCT f) FROM t2;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, a) FROM t2;
SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, a) FROM t2;
EXPLAIN SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, f) FROM t2;
SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, f) FROM t2;
EXPLAIN SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, d) FROM t2;
SELECT COUNT(DISTINCT a, b), COUNT(DISTINCT b, d) FROM t2;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT a, c, COUNT(DISTINCT c, a, b) FROM t2 GROUP BY a, b, c;
SELECT a, c, COUNT(DISTINCT c, a, b) FROM t2 GROUP BY a, b, c;
EXPLAIN SELECT COUNT(DISTINCT c, a, b) FROM t2
WHERE a > 5 AND b BETWEEN 10 AND 20 GROUP BY a, b, c;
SELECT COUNT(DISTINCT c, a, b) FROM t2
WHERE a > 5 AND b BETWEEN 10 AND 20 GROUP BY a, b, c;
EXPLAIN SELECT COUNT(DISTINCT b), SUM(DISTINCT b) FROM t2 WHERE a = 5
GROUP BY b;
SELECT COUNT(DISTINCT b), SUM(DISTINCT b) FROM t2 WHERE a = 5
GROUP BY b;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT a, COUNT(DISTINCT b), SUM(DISTINCT b) FROM t2 GROUP BY a;
SELECT a, COUNT(DISTINCT b), SUM(DISTINCT b) FROM t2 GROUP BY a;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT COUNT(DISTINCT b), SUM(DISTINCT b) FROM t2 GROUP BY a;
SELECT COUNT(DISTINCT b), SUM(DISTINCT b) FROM t2 GROUP BY a;
EXPLAIN SELECT COUNT(DISTINCT a, b) FROM t2 WHERE c = 13 AND d = 42;
SELECT COUNT(DISTINCT a, b) FROM t2 WHERE c = 13 AND d = 42;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT a, COUNT(DISTINCT a), SUM(DISTINCT a) FROM t2
WHERE b = 13 AND c = 42 GROUP BY a;
SELECT a, COUNT(DISTINCT a), SUM(DISTINCT a) FROM t2
WHERE b = 13 AND c = 42 GROUP BY a;
--echo # This query could have been resolved using loose index scan since
--echo # the second part of count(..) is defined by a constant predicate
EXPLAIN SELECT COUNT(DISTINCT a, b), SUM(DISTINCT a) FROM t2 WHERE b = 42;
SELECT COUNT(DISTINCT a, b), SUM(DISTINCT a) FROM t2 WHERE b = 42;
EXPLAIN SELECT SUM(DISTINCT a), MAX(b) FROM t2 GROUP BY a;
SELECT SUM(DISTINCT a), MAX(b) FROM t2 GROUP BY a;
# On 32 bit platform the rows estimate is 10 vs 11 on 64 bit platforms.
--replace_result 11 10
EXPLAIN SELECT 42 * (a + c + COUNT(DISTINCT c, a, b)) FROM t2 GROUP BY a, b, c;
SELECT 42 * (a + c + COUNT(DISTINCT c, a, b)) FROM t2 GROUP BY a, b, c;
EXPLAIN SELECT (SUM(DISTINCT a) + MAX(b)) FROM t2 GROUP BY a;
SELECT (SUM(DISTINCT a) + MAX(b)) FROM t2 GROUP BY a;
DROP TABLE t1,t2;
--echo # end of WL#3220 tests
--echo #
--echo # Bug#50539: Wrong result when loose index scan is used for an aggregate
--echo # function with distinct
--echo #
CREATE TABLE t1 (
f1 int(11) NOT NULL DEFAULT '0',
f2 char(1) NOT NULL DEFAULT '',
PRIMARY KEY (f1,f2)
) ;
insert into t1 values(1,'A'),(1 , 'B'), (1, 'C'), (2, 'A'),
(3, 'A'), (3, 'B'), (3, 'C'), (3, 'D');
SELECT f1, COUNT(DISTINCT f2) FROM t1 GROUP BY f1;
explain SELECT f1, COUNT(DISTINCT f2) FROM t1 GROUP BY f1;
drop table t1;
--echo # End of test#50539.
--echo #
--echo # Bug#18497308 WRONG COST ESTIMATE FOR LOOSE INDEX SCAN WHEN
--echo # INDEX STATISTICS IS MISSING
--echo #
CREATE TABLE t1 (
a INTEGER,
b INTEGER,
c INTEGER,
d INTEGER,
KEY foo (a,b,c,d)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1, 1, 1, 1), (1, 2, 1, 2), (1, 3, 1, 3), (1, 4, 1, 4);
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
INSERT INTO t1 SELECT * FROM t1;
let query=
SELECT DISTINCT a FROM t1 WHERE b=4;
eval EXPLAIN $query;
eval $query;
DROP TABLE t1;
--echo #
--echo # Bug#17217128 - BAD INTERACTION BETWEEN MIN/MAX AND
--echo # "HAVING SUM(DISTINCT)": WRONG RESULTS.
--echo #
CREATE TABLE t (a INT, b INT, KEY(a,b));
INSERT INTO t VALUES (1,1), (2,2), (3,3), (4,4), (1,0), (3,2), (4,5);
let $DEFAULT_TRACE_MEM_SIZE=1048576; # 1MB
eval set optimizer_trace_max_mem_size=$DEFAULT_TRACE_MEM_SIZE;
set @@session.optimizer_trace='enabled=on';
set end_markers_in_json=on;
ANALYZE TABLE t;
SELECT a, SUM(DISTINCT a), MIN(b) FROM t GROUP BY a;
EXPLAIN SELECT a, SUM(DISTINCT a), MIN(b) FROM t GROUP BY a;
SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
SELECT a, SUM(DISTINCT a), MAX(b) FROM t GROUP BY a;
EXPLAIN SELECT a, SUM(DISTINCT a), MAX(b) FROM t GROUP BY a;
SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
SELECT a, MAX(b) FROM t GROUP BY a HAVING SUM(DISTINCT a);
EXPLAIN SELECT a, MAX(b) FROM t GROUP BY a HAVING SUM(DISTINCT a);
SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
SELECT SUM(DISTINCT a), MIN(b), MAX(b) FROM t;
EXPLAIN SELECT SUM(DISTINCT a), MIN(b), MAX(b) FROM t;
SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
SELECT a, SUM(DISTINCT a), MIN(b), MAX(b) FROM t GROUP BY a;
EXPLAIN SELECT a, SUM(DISTINCT a), MIN(b), MAX(b) FROM t GROUP BY a;
SELECT TRACE RLIKE 'have_both_agg_distinct_and_min_max' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
SET optimizer_trace_max_mem_size=DEFAULT;
SET optimizer_trace=DEFAULT;
SET end_markers_in_json=DEFAULT;
DROP TABLE t;
--echo #
--echo # Bug #18066518: THE COST VALUE IS A NEGATIVE NUMBER FOR MERGE ENGINE
--echo # TABLE
--echo #
CREATE TABLE t(a INT PRIMARY KEY)
ENGINE = MERGE;
EXPLAIN SELECT DISTINCT(a) FROM t;
SELECT DISTINCT(a) FROM t;
DROP TABLE t;
--echo # End of test#18066518.
--echo #
--echo # Bug #18486293: ASSERTION FAILED: KEYS >= 0.0 IN
--echo # COST_MODEL_TABLE::KEY_COMPARE_COST
--echo #
CREATE TABLE t (b INT, KEY b_key (b)) ENGINE=INNODB
PARTITION BY RANGE COLUMNS(b) (PARTITION p_part VALUES LESS THAN (0));
SELECT 1 FROM t WHERE b IN ('') GROUP BY b ;
DROP TABLE t;
--echo # End of test#18486293.
--echo #
--echo # Bug#18109609: LOOSE INDEX SCAN IS NOT USED WHEN IT SHOULD
--echo #
CREATE TABLE t1 (
id INT AUTO_INCREMENT PRIMARY KEY,
c1 INT,
c2 INT,
KEY(c1,c2));
INSERT INTO t1(c1,c2) VALUES
(1, 1), (1,2), (2,1), (2,2), (3,1), (3,2), (3,3), (4,1), (4,2), (4,3),
(4,4), (4,5), (4,6), (4,7), (4,8), (4,9), (4,10), (4,11), (4,12), (4,13),
(4,14), (4,15), (4,16), (4,17), (4,18), (4,19), (4,20),(5,5);
EXPLAIN SELECT MAX(c2), c1 FROM t1 WHERE c1 = 4 GROUP BY c1;
FLUSH STATUS;
SELECT MAX(c2), c1 FROM t1 WHERE c1 = 4 GROUP BY c1;
SHOW SESSION STATUS LIKE 'Handler_read%';
DROP TABLE t1;
--echo # End of test for Bug#18109609
--echo #
--echo # Bug#24423143 - WRONG RESULTS FOR AGGREGATE QUERY
--echo #
--echo # Test index merge tree scenario
CREATE TABLE a (
aggr_col int,
group_by_col int,
KEY aggr_col_key (aggr_col),
KEY group_by_col_key (group_by_col, aggr_col)
) ENGINE=InnoDB;
let $DEFAULT_TRACE_MEM_SIZE=1048576; # 1MB
eval set optimizer_trace_max_mem_size=$DEFAULT_TRACE_MEM_SIZE;
set @@session.optimizer_trace='enabled=on';
set end_markers_in_json=on;
INSERT INTO a VALUES (2,3),(5,6),(6,3),(7,NULL),(9,NULL),(10,6);
ANALYZE TABLE a;
SELECT group_by_col, MIN(aggr_col) FROM a
WHERE (group_by_col IN (70, 9)) OR (aggr_col > 2) GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col) FROM a
WHERE (group_by_col IN (70 ,9)) OR (aggr_col > 2) GROUP BY group_by_col;
SELECT TRACE RLIKE 'disjuntive_predicate_present' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
SELECT group_by_col, MAX(aggr_col) FROM a
WHERE (group_by_col IN (70, 9)) OR (aggr_col < 9) GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MAX(aggr_col) FROM a
WHERE (group_by_col IN (70 , 9)) OR (aggr_col < 9) GROUP BY group_by_col;
SELECT TRACE RLIKE 'disjuntive_predicate_present' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Test IMPOSSIBLE TREE scenario
ALTER TABLE a DROP KEY aggr_col_key;
SELECT group_by_col, MIN(aggr_col) FROM a
WHERE (group_by_col IN (70 ,9)) OR (aggr_col > 2) GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col) FROM a
WHERE (group_by_col IN (70, 9)) OR (aggr_col > 2) GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
SELECT group_by_col, MAX(aggr_col) FROM a
WHERE (group_by_col IN (70, 9)) OR (aggr_col < 9) GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MAX(aggr_col) FROM a
WHERE (group_by_col IN (70, 9)) OR (aggr_col < 9) GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Scenario 3: aggregate field used as equal expression.
SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE (group_by_col IN (3, 9)) OR (aggr_col = 9) GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE (group_by_col IN (3, 9)) OR (aggr_col = 9) GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Scenario 4: non aggregate field used as equal expression.
SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE (group_by_col = 3) OR (aggr_col > 8) GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE (group_by_col = 3) OR (aggr_col > 8) GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Scenario 5: aggregate field used as non-zero expression.
INSERT INTO a VALUES(0, 3);
INSERT INTO a VALUES(0, 9);
INSERT INTO a VALUES(8, 0);
ANALYZE TABLE a;
SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE (group_by_col = 9) OR aggr_col GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE group_by_col = 9 OR aggr_col GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Scenario 6: non aggregate field used as non-zero expression.
SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE group_by_col OR (aggr_col < 9) GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE group_by_col OR (aggr_col < 9) GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Scenario 7: aggregate field used in equal exp without a CONST
INSERT INTO a VALUES(1,1),(1,2),(2,1);
SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE aggr_col = group_by_col GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE aggr_col = group_by_col GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Scenario 8: aggregate field used in a non-eq exp without a CONST
SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE aggr_col < group_by_col GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE aggr_col < group_by_col GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Scenario 8
INSERT INTO a VALUES(0,1),(1,0),(0,0);
SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE aggr_col OR group_by_col GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE aggr_col OR group_by_col GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Scenario 9
SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE aggr_col AND group_by_col GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE aggr_col AND group_by_col GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Scenario 10: Added for completion. This fix does not have an impact.
SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE aggr_col<>0 AND group_by_col<>0 GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE aggr_col<>0 AND group_by_col<>0 GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
--echo # Scenario 11: ITEM_FUNC as an argument of ITEM_FUNC
SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE group_by_col OR (group_by_col < (aggr_col = 1)) GROUP BY group_by_col;
EXPLAIN SELECT group_by_col, MIN(aggr_col), MAX(aggr_col) FROM a
WHERE group_by_col OR (group_by_col < (aggr_col = 1)) GROUP BY group_by_col;
SELECT TRACE RLIKE 'minmax_keypart_in_disjunctive_query' AS OK
FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
SET optimizer_trace_max_mem_size=DEFAULT;
SET optimizer_trace=DEFAULT;
SET end_markers_in_json=DEFAULT;
DROP TABLE a;
--echo # End of test for Bug#24423143