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1
by brian
clean slate |
1 |
drop table if exists t1;
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2 |
CREATE TABLE t1 (
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a char(5) NOT NULL,
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4 |
b char(4) NOT NULL,
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KEY (a),
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KEY (b)
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);
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INSERT INTO t1 VALUES ('A','B'),('b','A'),('C','c'),('D','E'),('a','a');
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select * from t1,t1 as t2;
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a b a b
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11 |
A B A B
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1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
12 |
A B C c
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A B D E
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14 |
A B a a
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15 |
A B b A
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1
by brian
clean slate |
16 |
C c A B
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1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
17 |
C c C c
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18 |
C c D E
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C c a a
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C c b A
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1
by brian
clean slate |
21 |
D E A B
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1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
22 |
D E C c
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23 |
D E D E
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24 |
D E a a
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D E b A
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1
by brian
clean slate |
26 |
a a A B
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1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
27 |
a a C c
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28 |
a a D E
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29 |
a a a a
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1
by brian
clean slate |
30 |
a a b A
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1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
31 |
b A A B
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1
by brian
clean slate |
32 |
b A C c
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33 |
b A D E
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34 |
b A a a
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1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
35 |
b A b A
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1
by brian
clean slate |
36 |
explain select t1.*,t2.* from t1,t1 as t2 where t1.A=t2.B;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL a NULL NULL NULL 5
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1 SIMPLE t2 ALL b NULL NULL NULL 5 Using where; Using join buffer
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select t1.*,t2.* from t1,t1 as t2 where t1.A=t2.B order by binary t1.a,t2.a;
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a b a b
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A B a a
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A B b A
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C c C c
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a a a a
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a a b A
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b A A B
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select * from t1 where a='a';
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a b
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A B
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a a
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drop table t1;
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