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Logging to logging@openlogging.org accepted sql_union.cc, sql_select.cc, opt_range.h, opt_range.cc, opt_ft.h: Post-merge fixes Many files: new file sql/opt_ft.h: Post-merge fixes sql/opt_range.cc: Post-merge fixes sql/opt_range.h: Post-merge fixes sql/sql_select.cc: Post-merge fixes sql/sql_union.cc: Post-merge fixes BitKeeper/etc/logging_ok: Logging to logging@openlogging.org accepted
This commit is contained in:
unknown
312
mysql-test/r/index_merge.result
Normal file
312
mysql-test/r/index_merge.result
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@ -0,0 +1,312 @@
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drop table if exists t0, t1, t2, t3;
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create table t0
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(
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key1 int not null,
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INDEX i1(key1),
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);
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alter table t0 add key2 int not null, add index i2(key2);
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alter table t0 add key3 int not null, add index i3(key3);
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alter table t0 add key4 int not null, add index i4(key4);
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alter table t0 add key5 int not null, add index i5(key5);
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alter table t0 add key6 int not null, add index i6(key6);
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alter table t0 add key7 int not null, add index i7(key7);
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alter table t0 add key8 int not null, add index i8(key8);
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update t0 set key2=key1,key3=key1,key4=key1,key5=key1,key6=key1,key7=key1,key8=1024-key1;
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analyze table t0;
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Table Op Msg_type Msg_text
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test.t0 analyze status OK
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explain select * from t0 where key1 < 3 or key1 > 1020;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t0 range i1 i1 4 NULL 55 Using where
|
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explain
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select * from t0 where key1 < 3 or key2 > 1020;
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id select_type table type possible_keys key key_len ref rows Extra
|
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1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 31 Using where
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select * from t0 where key1 < 3 or key2 > 1020;
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key1 key2 key3 key4 key5 key6 key7 key8
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||||
1 1 1 1 1 1 1 1023
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2 2 2 2 2 2 2 1022
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||||
1021 1021 1021 1021 1021 1021 1021 3
|
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1022 1022 1022 1022 1022 1022 1022 2
|
||||
1023 1023 1023 1023 1023 1023 1023 1
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||||
1024 1024 1024 1024 1024 1024 1024 0
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explain select * from t0 where key1 < 3 or key2 <4;
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id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 7 Using where
|
||||
explain
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select * from t0 where (key1 > 30 and key1<35) or (key2 >32 and key2 < 40);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 9 Using where
|
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select * from t0 where (key1 > 30 and key1<35) or (key2 >32 and key2 < 40);
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key1 key2 key3 key4 key5 key6 key7 key8
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31 31 31 31 31 31 31 993
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32 32 32 32 32 32 32 992
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33 33 33 33 33 33 33 991
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34 34 34 34 34 34 34 990
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||||
35 35 35 35 35 35 35 989
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36 36 36 36 36 36 36 988
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37 37 37 37 37 37 37 987
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38 38 38 38 38 38 38 986
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39 39 39 39 39 39 39 985
|
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explain select * from t0 ignore index (i2) where key1 < 3 or key2 <4;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t0 ALL i1 NULL NULL NULL 1024 Using where
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explain select * from t0 where (key1 < 3 or key2 <4) and key3 = 50;
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id select_type table type possible_keys key key_len ref rows Extra
|
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1 SIMPLE t0 ref i1,i2,i3 i3 4 const 1 Using where
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explain select * from t0 use index (i1,i2) where (key1 < 3 or key2 <4) and key3 = 50;
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id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 7 Using where
|
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explain select * from t0 where (key1 > 1 or key2 > 2);
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||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 ALL i1,i2 NULL NULL NULL 1024 Using where
|
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explain select * from t0 force index (i1,i2) where (key1 > 1 or key2 > 2);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 1024 Using where
|
||||
explain
|
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select * from t0 where key1<3 or key2<3 or (key1>5 and key1<8) or
|
||||
(key1>10 and key1<12) or (key2>100 and key2<110);
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||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 17 Using where
|
||||
explain select * from t0 where key2 = 45 or key1 <=> null;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 range i1,i2 i2 4 NULL 1 Using where
|
||||
explain select * from t0 where key2 = 45 or key1 is not null;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 ALL i1,i2 NULL NULL NULL 1024 Using where
|
||||
explain select * from t0 where key2 = 45 or key1 is null;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 ALL i1,i2 NULL NULL NULL 1024 Using where
|
||||
explain select * from t0 where key2=10 or key3=3 or key4 <=> null;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i2,i3,i4 i2,i3 4,4 NULL 2 Using where
|
||||
explain select * from t0 where key2=10 or key3=3 or key4 is null;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 ALL i2,i3,i4 NULL NULL NULL 1024 Using where
|
||||
explain select key1 from t0 where (key1 <=> null) or (key2 < 5) or
|
||||
(key3=10) or (key4 <=> null);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2,i3,i4 i2,i3 4,4 NULL 6 Using where
|
||||
explain select key1 from t0 where (key1 <=> null) or (key1 < 5) or
|
||||
(key3=10) or (key4 <=> null);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i3,i4 i1,i3 4,4 NULL 5 Using where
|
||||
explain select * from t0 where
|
||||
(key1 < 3 or key2 < 3) and (key3 < 4 or key4 < 4) and (key5 < 5 or key6 < 5);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2,i3,i4,i5,i6 i1,i2 4,4 NULL 6 Using where
|
||||
explain
|
||||
select * from t0 where (key1 < 3 or key2 < 6) and (key1 < 7 or key3 < 4);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2,i3 i1,i2 4,4 NULL 9 Using where
|
||||
select * from t0 where (key1 < 3 or key2 < 6) and (key1 < 7 or key3 < 4);
|
||||
key1 key2 key3 key4 key5 key6 key7 key8
|
||||
1 1 1 1 1 1 1 1023
|
||||
2 2 2 2 2 2 2 1022
|
||||
3 3 3 3 3 3 3 1021
|
||||
4 4 4 4 4 4 4 1020
|
||||
5 5 5 5 5 5 5 1019
|
||||
explain select * from t0 where
|
||||
(key1 < 3 or key2 < 3) and (key3 < 4 or key4 < 4) and (key5 < 2 or key6 < 2);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2,i3,i4,i5,i6 i5,i6 4,4 NULL 4 Using where
|
||||
explain select * from t0 where
|
||||
(key1 < 3 or key2 < 3) and (key3 < 100);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 range i1,i2,i3 i3 4 NULL 96 Using where
|
||||
explain select * from t0 where
|
||||
(key1 < 3 or key2 < 3) and (key3 < 1000);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 ALL i1,i2,i3 NULL NULL NULL 1024 Using where
|
||||
explain select * from t0 where
|
||||
((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4))
|
||||
or
|
||||
key2 > 5;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 ALL i1,i2,i3 NULL NULL NULL 1024 Using where
|
||||
explain select * from t0 where
|
||||
((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4))
|
||||
or
|
||||
key1 < 7;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2,i3 i1,i2 4,4 NULL 10 Using where
|
||||
select * from t0 where
|
||||
((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4))
|
||||
or
|
||||
key1 < 7;
|
||||
key1 key2 key3 key4 key5 key6 key7 key8
|
||||
1 1 1 1 1 1 1 1023
|
||||
2 2 2 2 2 2 2 1022
|
||||
3 3 3 3 3 3 3 1021
|
||||
4 4 4 4 4 4 4 1020
|
||||
5 5 5 5 5 5 5 1019
|
||||
6 6 6 6 6 6 6 1018
|
||||
explain select * from t0 where
|
||||
((key1 < 4 or key2 < 4) and (key3 <5 or key5 < 4))
|
||||
or
|
||||
((key5 < 5 or key6 < 6) and (key7 <7 or key8 < 4));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2,i3,i5,i6,i7,i8 i1,i2,i5,i6 4,4,4,4 NULL 19 Using where
|
||||
explain select * from t0 where
|
||||
((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4))
|
||||
or
|
||||
((key7 <7 or key8 < 4) and (key5 < 5 or key6 < 6));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2,i3,i5,i6,i7,i8 i3,i5,i7,i8 4,4,4,4 NULL 21 Using where
|
||||
explain select * from t0 where
|
||||
((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4))
|
||||
or
|
||||
((key3 <7 or key5 < 2) and (key5 < 5 or key6 < 6));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2,i3,i5,i6 i3,i5 4,4 NULL 11 Using where
|
||||
explain select * from t0 where
|
||||
((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4))
|
||||
or
|
||||
(((key3 <7 and key7 < 6) or key5 < 2) and (key5 < 5 or key6 < 6));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2,i3,i5,i6,i7 i3,i5 4,4 NULL 11 Using where
|
||||
explain select * from t0 where
|
||||
((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4))
|
||||
or
|
||||
((key3 >=5 or key5 < 2) and (key5 < 5 or key6 < 6));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 ALL i1,i2,i3,i5,i6 NULL NULL NULL 1024 Using where
|
||||
explain select * from t0 force index(i1, i2, i3, i4, i5, i6 ) where
|
||||
((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4))
|
||||
or
|
||||
((key3 >=5 or key5 < 2) and (key5 < 5 or key6 < 6));
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2,i3,i5,i6 i3,i5 0,4 NULL 1024 Using where
|
||||
select * from t0 where key1 < 5 or key8 < 4 order by key1;
|
||||
key1 key2 key3 key4 key5 key6 key7 key8
|
||||
1 1 1 1 1 1 1 1023
|
||||
2 2 2 2 2 2 2 1022
|
||||
3 3 3 3 3 3 3 1021
|
||||
4 4 4 4 4 4 4 1020
|
||||
1021 1021 1021 1021 1021 1021 1021 3
|
||||
1022 1022 1022 1022 1022 1022 1022 2
|
||||
1023 1023 1023 1023 1023 1023 1023 1
|
||||
1024 1024 1024 1024 1024 1024 1024 0
|
||||
explain
|
||||
select * from t0 where key1 < 5 or key8 < 4 order by key1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i8 i1,i8 4,4 NULL 9 Using where; Using filesort
|
||||
create table t2 like t0;
|
||||
insert into t2 select * from t0;
|
||||
alter table t2 add index i1_3(key1, key3);
|
||||
alter table t2 add index i2_3(key2, key3);
|
||||
alter table t2 drop index i1;
|
||||
alter table t2 drop index i2;
|
||||
alter table t2 add index i321(key3, key2, key1);
|
||||
explain select key3 from t2 where key1 = 100 or key2 = 100;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 index_merge i1_3,i2_3 i1_3,i2_3 4,4 NULL 2 Using where
|
||||
explain select key3 from t2 where key1 <100 or key2 < 100;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 index i1_3,i2_3 i321 12 NULL 1024 Using where; Using index
|
||||
explain select key7 from t2 where key1 <100 or key2 < 100;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t2 ALL i1_3,i2_3 NULL NULL NULL 1024 Using where
|
||||
create table t4 (
|
||||
key1a int not null,
|
||||
key1b int not null,
|
||||
key2 int not null,
|
||||
key2_1 int not null,
|
||||
key2_2 int not null,
|
||||
key3 int not null,
|
||||
index i1a (key1a, key1b),
|
||||
index i1b (key1b, key1a),
|
||||
index i2_1(key2, key2_1),
|
||||
index i2_2(key2, key2_1),
|
||||
);
|
||||
insert into t4 select key1,key1,key1 div 10, key1 % 10, key1 % 10, key1 from t0;
|
||||
select * from t4 where key1a = 3 or key1b = 4;
|
||||
key1a key1b key2 key2_1 key2_2 key3
|
||||
3 3 0 3 3 3
|
||||
4 4 0 4 4 4
|
||||
explain select * from t4 where key1a = 3 or key1b = 4;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t4 index_merge i1a,i1b i1a,i1b 4,4 NULL 2 Using where
|
||||
explain select * from t4 where key2 = 1 and (key2_1 = 1 or key3 = 5);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t4 ref i2_1,i2_2 i2_1 4 const 10 Using where
|
||||
explain select * from t4 where key2 = 1 and (key2_1 = 1 or key2_2 = 5);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t4 ref i2_1,i2_2 i2_1 4 const 10 Using where
|
||||
explain select * from t4 where key2_1 = 1 or key2_2 = 5;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t4 ALL NULL NULL NULL NULL 1024 Using where
|
||||
create table t1 like t0;
|
||||
insert into t1 select * from t0;
|
||||
explain select * from t0 left join t1 on (t0.key1=t1.key1)
|
||||
where t0.key1=3 or t0.key2=4;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 2 Using where
|
||||
1 SIMPLE t1 ref i1 i1 4 test.t0.key1 1
|
||||
select * from t0 left join t1 on (t0.key1=t1.key1)
|
||||
where t0.key1=3 or t0.key2=4;
|
||||
key1 key2 key3 key4 key5 key6 key7 key8 key1 key2 key3 key4 key5 key6 key7 key8
|
||||
3 3 3 3 3 3 3 1021 3 3 3 3 3 3 3 1021
|
||||
4 4 4 4 4 4 4 1020 4 4 4 4 4 4 4 1020
|
||||
explain
|
||||
select * from t0,t1 where (t0.key1=t1.key1) and ( t0.key1=3 or t0.key2=4);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 2 Using where
|
||||
1 SIMPLE t1 ref i1 i1 4 test.t0.key1 1
|
||||
explain
|
||||
select * from t0,t1 where (t0.key1=t1.key1) and
|
||||
(t0.key1=3 or t0.key2=4) and t1.key1<200;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 2 Using where
|
||||
1 SIMPLE t1 ref i1 i1 4 test.t0.key1 1 Using where
|
||||
explain
|
||||
select * from t0,t1 where (t0.key1=t1.key1) and
|
||||
(t0.key1=3 or t0.key2<4) and t1.key1=2;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 ref i1,i2 i1 4 const 1 Using where
|
||||
1 SIMPLE t1 ref i1 i1 4 const 1 Using where
|
||||
explain select * from t0,t1 where t0.key1 = 5 and
|
||||
(t1.key1 = t0.key1 or t1.key8 = t0.key1);
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t0 ref i1 i1 4 const 1 Using where
|
||||
1 SIMPLE t1 index_merge i1,i8 i1,i8 4,4 NULL 2 Using where
|
||||
explain select * from t1 where key1=3 or key2=4
|
||||
union select * from t1 where key1<4 or key3=5;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY t1 index_merge i1,i2 i1,i2 4,4 NULL 2 Using where
|
||||
2 UNION t1 index_merge i1,i3 i1,i3 4,4 NULL 5 Using where
|
||||
explain select * from (select * from t1 where key1 = 3 or key2 =3) as Z where key8 >5;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
|
||||
2 DERIVED t1 index_merge i1,i2 i1,i2 4,4 NULL 2 Using where
|
||||
create table t3 like t0;
|
||||
insert into t3 select * from t0;
|
||||
alter table t3 add key9 int not null, add index i9(key9);
|
||||
alter table t3 add keyA int not null, add index iA(keyA);
|
||||
alter table t3 add keyB int not null, add index iB(keyB);
|
||||
alter table t3 add keyC int not null, add index iC(keyC);
|
||||
update t3 set key9=key1,keyA=key1,keyB=key1,keyC=key1;
|
||||
explain select * from t3 where
|
||||
key1=1 or key2=2 or key3=3 or key4=4 or
|
||||
key5=5 or key6=6 or key7=7 or key8=8 or
|
||||
key9=9 or keyA=10 or keyB=11 or keyC=12;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t3 index_merge i1,i2,i3,i4,i5,i6,i7,i8,i9,iA,iB,iC i1,i2,i3,i4,i5,i6,i7,i8,i9,iA,iB,iC 4,4,4,4,4,4,4,4,4,4,4,4 NULL 12 Using where
|
||||
select * from t3 where
|
||||
key1=1 or key2=2 or key3=3 or key4=4 or
|
||||
key5=5 or key6=6 or key7=7 or key8=8 or
|
||||
key9=9 or keyA=10 or keyB=11 or keyC=12;
|
||||
key1 key2 key3 key4 key5 key6 key7 key8 key9 keyA keyB keyC
|
||||
1 1 1 1 1 1 1 1023 1 1 1 1
|
||||
2 2 2 2 2 2 2 1022 2 2 2 2
|
||||
3 3 3 3 3 3 3 1021 3 3 3 3
|
||||
4 4 4 4 4 4 4 1020 4 4 4 4
|
||||
5 5 5 5 5 5 5 1019 5 5 5 5
|
||||
6 6 6 6 6 6 6 1018 6 6 6 6
|
||||
7 7 7 7 7 7 7 1017 7 7 7 7
|
||||
1016 1016 1016 1016 1016 1016 1016 8 1016 1016 1016 1016
|
||||
9 9 9 9 9 9 9 1015 9 9 9 9
|
||||
10 10 10 10 10 10 10 1014 10 10 10 10
|
||||
11 11 11 11 11 11 11 1013 11 11 11 11
|
||||
12 12 12 12 12 12 12 1012 12 12 12 12
|
||||
drop table t0, t1, t2, t3, t4;
|
||||
55
mysql-test/r/index_merge_innodb.result
Normal file
55
mysql-test/r/index_merge_innodb.result
Normal file
@ -0,0 +1,55 @@
|
||||
drop table if exists t1;
|
||||
create table t1
|
||||
(
|
||||
key1 int not null,
|
||||
key2 int not null,
|
||||
INDEX i1(key1),
|
||||
INDEX i2(key2),
|
||||
) type=innodb;
|
||||
explain select * from t1 where key1 < 5 or key2 > 197;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 index_merge i1,i2 i1,i2 4,4 NULL 8 Using where
|
||||
select * from t1 where key1 < 5 or key2 > 197;
|
||||
key1 key2
|
||||
0 200
|
||||
1 199
|
||||
2 198
|
||||
3 197
|
||||
4 196
|
||||
explain select * from t1 where key1 < 3 or key2 > 195;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 index_merge i1,i2 i1,i2 4,4 NULL 8 Using where
|
||||
select * from t1 where key1 < 3 or key2 > 195;
|
||||
key1 key2
|
||||
0 200
|
||||
1 199
|
||||
2 198
|
||||
4 196
|
||||
3 197
|
||||
alter table t1 add str1 char (255) not null,
|
||||
add zeroval int not null default 0,
|
||||
add str2 char (255) not null,
|
||||
add str3 char (255) not null;
|
||||
update t1 set str1='aaa', str2='bbb', str3=concat(key2, '-', key1 div 2, '_' ,if(key1 mod 2 = 0, 'a', 'A'));
|
||||
alter table t1 add primary key (str1, zeroval, str2, str3);
|
||||
explain select * from t1 where key1 < 5 or key2 > 197;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 index_merge i1,i2 i1,i2 4,4 NULL 8 Using where
|
||||
select * from t1 where key1 < 5 or key2 > 197;
|
||||
key1 key2 str1 zeroval str2 str3
|
||||
0 200 aaa 0 bbb 200-0_a
|
||||
1 199 aaa 0 bbb 199-0_A
|
||||
2 198 aaa 0 bbb 198-1_a
|
||||
3 197 aaa 0 bbb 197-1_A
|
||||
4 196 aaa 0 bbb 196-2_a
|
||||
explain select * from t1 where key1 < 3 or key2 > 195;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 index_merge i1,i2 i1,i2 4,4 NULL 8 Using where
|
||||
select * from t1 where key1 < 3 or key2 > 195;
|
||||
key1 key2 str1 zeroval str2 str3
|
||||
0 200 aaa 0 bbb 200-0_a
|
||||
1 199 aaa 0 bbb 199-0_A
|
||||
2 198 aaa 0 bbb 198-1_a
|
||||
4 196 aaa 0 bbb 196-2_a
|
||||
3 197 aaa 0 bbb 197-1_A
|
||||
drop table t1;
|
||||
267
mysql-test/t/index_merge.test
Normal file
267
mysql-test/t/index_merge.test
Normal file
@ -0,0 +1,267 @@
|
||||
#
|
||||
# Index merge tests
|
||||
#
|
||||
|
||||
--disable_warnings
|
||||
drop table if exists t0, t1, t2, t3;
|
||||
--enable_warnings
|
||||
|
||||
# Create and fill a table with simple keys
|
||||
create table t0
|
||||
(
|
||||
key1 int not null,
|
||||
INDEX i1(key1),
|
||||
);
|
||||
|
||||
--disable_query_log
|
||||
insert into t0 values (1),(2),(3),(4),(5),(6),(7),(8);
|
||||
|
||||
let $1=7;
|
||||
set @d=8;
|
||||
while ($1)
|
||||
{
|
||||
eval insert into t0 select key1+@d from t0;
|
||||
eval set @d=@d*2;
|
||||
dec $1;
|
||||
}
|
||||
--enable_query_log
|
||||
|
||||
alter table t0 add key2 int not null, add index i2(key2);
|
||||
alter table t0 add key3 int not null, add index i3(key3);
|
||||
alter table t0 add key4 int not null, add index i4(key4);
|
||||
alter table t0 add key5 int not null, add index i5(key5);
|
||||
alter table t0 add key6 int not null, add index i6(key6);
|
||||
alter table t0 add key7 int not null, add index i7(key7);
|
||||
alter table t0 add key8 int not null, add index i8(key8);
|
||||
|
||||
update t0 set key2=key1,key3=key1,key4=key1,key5=key1,key6=key1,key7=key1,key8=1024-key1;
|
||||
analyze table t0;
|
||||
|
||||
# 1. One index
|
||||
explain select * from t0 where key1 < 3 or key1 > 1020;
|
||||
|
||||
# 2. Simple cases
|
||||
explain
|
||||
select * from t0 where key1 < 3 or key2 > 1020;
|
||||
select * from t0 where key1 < 3 or key2 > 1020;
|
||||
|
||||
explain select * from t0 where key1 < 3 or key2 <4;
|
||||
|
||||
explain
|
||||
select * from t0 where (key1 > 30 and key1<35) or (key2 >32 and key2 < 40);
|
||||
select * from t0 where (key1 > 30 and key1<35) or (key2 >32 and key2 < 40);
|
||||
|
||||
# 3. Check that index_merge doesn't break "ignore/force/use index"
|
||||
explain select * from t0 ignore index (i2) where key1 < 3 or key2 <4;
|
||||
explain select * from t0 where (key1 < 3 or key2 <4) and key3 = 50;
|
||||
explain select * from t0 use index (i1,i2) where (key1 < 3 or key2 <4) and key3 = 50;
|
||||
|
||||
explain select * from t0 where (key1 > 1 or key2 > 2);
|
||||
explain select * from t0 force index (i1,i2) where (key1 > 1 or key2 > 2);
|
||||
|
||||
|
||||
# 4. Check if conjuncts are grouped by keyuse
|
||||
explain
|
||||
select * from t0 where key1<3 or key2<3 or (key1>5 and key1<8) or
|
||||
(key1>10 and key1<12) or (key2>100 and key2<110);
|
||||
|
||||
# 5. Check index_merge with conjuncts that are always true/false
|
||||
# verify fallback to "range" if there is only one non-confluent condition
|
||||
explain select * from t0 where key2 = 45 or key1 <=> null;
|
||||
|
||||
explain select * from t0 where key2 = 45 or key1 is not null;
|
||||
explain select * from t0 where key2 = 45 or key1 is null;
|
||||
|
||||
# the last conj. is always false and will be discarded
|
||||
explain select * from t0 where key2=10 or key3=3 or key4 <=> null;
|
||||
|
||||
# the last conj. is always true and will cause 'all' scan
|
||||
explain select * from t0 where key2=10 or key3=3 or key4 is null;
|
||||
|
||||
# some more complicated cases
|
||||
explain select key1 from t0 where (key1 <=> null) or (key2 < 5) or
|
||||
(key3=10) or (key4 <=> null);
|
||||
explain select key1 from t0 where (key1 <=> null) or (key1 < 5) or
|
||||
(key3=10) or (key4 <=> null);
|
||||
|
||||
# 6.Several ways to do index_merge, (ignored) index_merge vs. range
|
||||
explain select * from t0 where
|
||||
(key1 < 3 or key2 < 3) and (key3 < 4 or key4 < 4) and (key5 < 5 or key6 < 5);
|
||||
|
||||
explain
|
||||
select * from t0 where (key1 < 3 or key2 < 6) and (key1 < 7 or key3 < 4);
|
||||
|
||||
select * from t0 where (key1 < 3 or key2 < 6) and (key1 < 7 or key3 < 4);
|
||||
|
||||
|
||||
explain select * from t0 where
|
||||
(key1 < 3 or key2 < 3) and (key3 < 4 or key4 < 4) and (key5 < 2 or key6 < 2);
|
||||
|
||||
# now index_merge is not used at all when "range" is possible
|
||||
explain select * from t0 where
|
||||
(key1 < 3 or key2 < 3) and (key3 < 100);
|
||||
|
||||
# this even can cause "all" scan:
|
||||
explain select * from t0 where
|
||||
(key1 < 3 or key2 < 3) and (key3 < 1000);
|
||||
|
||||
|
||||
# 7. Complex cases
|
||||
# tree_or(List<SEL_IMERGE>, range SEL_TREE).
|
||||
explain select * from t0 where
|
||||
((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4))
|
||||
or
|
||||
key2 > 5;
|
||||
|
||||
explain select * from t0 where
|
||||
((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4))
|
||||
or
|
||||
key1 < 7;
|
||||
|
||||
select * from t0 where
|
||||
((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4))
|
||||
or
|
||||
key1 < 7;
|
||||
|
||||
# tree_or(List<SEL_IMERGE>, List<SEL_IMERGE>).
|
||||
explain select * from t0 where
|
||||
((key1 < 4 or key2 < 4) and (key3 <5 or key5 < 4))
|
||||
or
|
||||
((key5 < 5 or key6 < 6) and (key7 <7 or key8 < 4));
|
||||
|
||||
explain select * from t0 where
|
||||
((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4))
|
||||
or
|
||||
((key7 <7 or key8 < 4) and (key5 < 5 or key6 < 6));
|
||||
|
||||
explain select * from t0 where
|
||||
((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4))
|
||||
or
|
||||
((key3 <7 or key5 < 2) and (key5 < 5 or key6 < 6));
|
||||
|
||||
explain select * from t0 where
|
||||
((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4))
|
||||
or
|
||||
(((key3 <7 and key7 < 6) or key5 < 2) and (key5 < 5 or key6 < 6));
|
||||
|
||||
explain select * from t0 where
|
||||
((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4))
|
||||
or
|
||||
((key3 >=5 or key5 < 2) and (key5 < 5 or key6 < 6));
|
||||
|
||||
explain select * from t0 force index(i1, i2, i3, i4, i5, i6 ) where
|
||||
((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4))
|
||||
or
|
||||
((key3 >=5 or key5 < 2) and (key5 < 5 or key6 < 6));
|
||||
|
||||
# 8. Verify that "order by" after index merge uses filesort
|
||||
select * from t0 where key1 < 5 or key8 < 4 order by key1;
|
||||
|
||||
explain
|
||||
select * from t0 where key1 < 5 or key8 < 4 order by key1;
|
||||
|
||||
# 9. Check that index_merge cost is compared to 'index' where possible
|
||||
create table t2 like t0;
|
||||
insert into t2 select * from t0;
|
||||
|
||||
alter table t2 add index i1_3(key1, key3);
|
||||
alter table t2 add index i2_3(key2, key3);
|
||||
alter table t2 drop index i1;
|
||||
alter table t2 drop index i2;
|
||||
alter table t2 add index i321(key3, key2, key1);
|
||||
|
||||
# index_merge vs 'index', index_merge is better.
|
||||
explain select key3 from t2 where key1 = 100 or key2 = 100;
|
||||
|
||||
# index_merge vs 'index', 'index' is better.
|
||||
explain select key3 from t2 where key1 <100 or key2 < 100;
|
||||
|
||||
# index_merge vs 'all', index_merge is better.
|
||||
explain select key7 from t2 where key1 <100 or key2 < 100;
|
||||
|
||||
# 10. Multipart keys.
|
||||
create table t4 (
|
||||
key1a int not null,
|
||||
key1b int not null,
|
||||
key2 int not null,
|
||||
key2_1 int not null,
|
||||
key2_2 int not null,
|
||||
key3 int not null,
|
||||
|
||||
index i1a (key1a, key1b),
|
||||
index i1b (key1b, key1a),
|
||||
|
||||
index i2_1(key2, key2_1),
|
||||
index i2_2(key2, key2_1),
|
||||
);
|
||||
|
||||
insert into t4 select key1,key1,key1 div 10, key1 % 10, key1 % 10, key1 from t0;
|
||||
|
||||
# the following will be handled by index_merge:
|
||||
select * from t4 where key1a = 3 or key1b = 4;
|
||||
explain select * from t4 where key1a = 3 or key1b = 4;
|
||||
|
||||
# and the following will not
|
||||
explain select * from t4 where key2 = 1 and (key2_1 = 1 or key3 = 5);
|
||||
|
||||
explain select * from t4 where key2 = 1 and (key2_1 = 1 or key2_2 = 5);
|
||||
|
||||
explain select * from t4 where key2_1 = 1 or key2_2 = 5;
|
||||
|
||||
|
||||
# 11. Multitable selects
|
||||
create table t1 like t0;
|
||||
insert into t1 select * from t0;
|
||||
|
||||
# index_merge on first table in join
|
||||
explain select * from t0 left join t1 on (t0.key1=t1.key1)
|
||||
where t0.key1=3 or t0.key2=4;
|
||||
|
||||
select * from t0 left join t1 on (t0.key1=t1.key1)
|
||||
where t0.key1=3 or t0.key2=4;
|
||||
|
||||
explain
|
||||
select * from t0,t1 where (t0.key1=t1.key1) and ( t0.key1=3 or t0.key2=4);
|
||||
|
||||
# index_merge vs. ref
|
||||
explain
|
||||
select * from t0,t1 where (t0.key1=t1.key1) and
|
||||
(t0.key1=3 or t0.key2=4) and t1.key1<200;
|
||||
|
||||
# index_merge vs. ref
|
||||
explain
|
||||
select * from t0,t1 where (t0.key1=t1.key1) and
|
||||
(t0.key1=3 or t0.key2<4) and t1.key1=2;
|
||||
|
||||
# index_merge on second table in join
|
||||
explain select * from t0,t1 where t0.key1 = 5 and
|
||||
(t1.key1 = t0.key1 or t1.key8 = t0.key1);
|
||||
|
||||
# index_merge inside union
|
||||
explain select * from t1 where key1=3 or key2=4
|
||||
union select * from t1 where key1<4 or key3=5;
|
||||
|
||||
# index merge in subselect
|
||||
explain select * from (select * from t1 where key1 = 3 or key2 =3) as Z where key8 >5;
|
||||
|
||||
# 12. check for long index_merges.
|
||||
create table t3 like t0;
|
||||
insert into t3 select * from t0;
|
||||
alter table t3 add key9 int not null, add index i9(key9);
|
||||
alter table t3 add keyA int not null, add index iA(keyA);
|
||||
alter table t3 add keyB int not null, add index iB(keyB);
|
||||
alter table t3 add keyC int not null, add index iC(keyC);
|
||||
update t3 set key9=key1,keyA=key1,keyB=key1,keyC=key1;
|
||||
|
||||
explain select * from t3 where
|
||||
key1=1 or key2=2 or key3=3 or key4=4 or
|
||||
key5=5 or key6=6 or key7=7 or key8=8 or
|
||||
key9=9 or keyA=10 or keyB=11 or keyC=12;
|
||||
|
||||
select * from t3 where
|
||||
key1=1 or key2=2 or key3=3 or key4=4 or
|
||||
key5=5 or key6=6 or key7=7 or key8=8 or
|
||||
key9=9 or keyA=10 or keyB=11 or keyC=12;
|
||||
|
||||
|
||||
drop table t0, t1, t2, t3, t4;
|
||||
54
mysql-test/t/index_merge_innodb.test
Normal file
54
mysql-test/t/index_merge_innodb.test
Normal file
@ -0,0 +1,54 @@
|
||||
#
|
||||
# Index merge tests
|
||||
#
|
||||
-- source include/have_innodb.inc
|
||||
|
||||
--disable_warnings
|
||||
drop table if exists t1;
|
||||
--enable_warnings
|
||||
|
||||
create table t1
|
||||
(
|
||||
key1 int not null,
|
||||
key2 int not null,
|
||||
|
||||
INDEX i1(key1),
|
||||
INDEX i2(key2),
|
||||
) type=innodb;
|
||||
|
||||
--disable_query_log
|
||||
let $1=200;
|
||||
while ($1)
|
||||
{
|
||||
eval insert into t1 values (200-$1, $1);
|
||||
dec $1;
|
||||
}
|
||||
--enable_query_log
|
||||
|
||||
# No primary key
|
||||
explain select * from t1 where key1 < 5 or key2 > 197;
|
||||
|
||||
select * from t1 where key1 < 5 or key2 > 197;
|
||||
|
||||
explain select * from t1 where key1 < 3 or key2 > 195;
|
||||
select * from t1 where key1 < 3 or key2 > 195;
|
||||
|
||||
# Primary key as case-sensitive string with \0s.
|
||||
# also make primary key be longer then max. index length of MyISAM.
|
||||
alter table t1 add str1 char (255) not null,
|
||||
add zeroval int not null default 0,
|
||||
add str2 char (255) not null,
|
||||
add str3 char (255) not null;
|
||||
|
||||
update t1 set str1='aaa', str2='bbb', str3=concat(key2, '-', key1 div 2, '_' ,if(key1 mod 2 = 0, 'a', 'A'));
|
||||
|
||||
alter table t1 add primary key (str1, zeroval, str2, str3);
|
||||
|
||||
explain select * from t1 where key1 < 5 or key2 > 197;
|
||||
|
||||
select * from t1 where key1 < 5 or key2 > 197;
|
||||
|
||||
explain select * from t1 where key1 < 3 or key2 > 195;
|
||||
select * from t1 where key1 < 3 or key2 > 195;
|
||||
|
||||
drop table t1;
|
||||
Reference in New Issue
Block a user