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1
by brian
clean slate |
1 |
DROP TABLE IF EXISTS t0,t1,t2,t3,t4,t5,t6,t7,t8,t9;
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CREATE TABLE t0 (a int, b int, c int);
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CREATE TABLE t1 (a int, b int, c int);
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CREATE TABLE t2 (a int, b int, c int);
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CREATE TABLE t3 (a int, b int, c int);
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CREATE TABLE t4 (a int, b int, c int);
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CREATE TABLE t5 (a int, b int, c int);
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CREATE TABLE t6 (a int, b int, c int);
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CREATE TABLE t7 (a int, b int, c int);
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CREATE TABLE t8 (a int, b int, c int);
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CREATE TABLE t9 (a int, b int, c int);
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INSERT INTO t0 VALUES (1,1,0), (1,2,0), (2,2,0);
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INSERT INTO t1 VALUES (1,3,0), (2,2,0), (3,2,0);
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INSERT INTO t2 VALUES (3,3,0), (4,2,0), (5,3,0);
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INSERT INTO t3 VALUES (1,2,0), (2,2,0);
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INSERT INTO t4 VALUES (3,2,0), (4,2,0);
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INSERT INTO t5 VALUES (3,1,0), (2,2,0), (3,3,0);
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INSERT INTO t6 VALUES (3,2,0), (6,2,0), (6,1,0);
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INSERT INTO t7 VALUES (1,1,0), (2,2,0);
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INSERT INTO t8 VALUES (0,2,0), (1,2,0);
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INSERT INTO t9 VALUES (1,1,0), (1,2,0), (3,3,0);
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SELECT t2.a,t2.b
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FROM t2;
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a b
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3 3
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4 2
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5 3
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SELECT t3.a,t3.b
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FROM t3;
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a b
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1 2
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2 2
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SELECT t4.a,t4.b
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FROM t4;
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a b
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3 2
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4 2
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SELECT t3.a,t3.b,t4.a,t4.b
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FROM t3,t4;
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a b a b
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1 2 3 2
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2 2 3 2
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1 2 4 2
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2 2 4 2
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SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
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FROM t2
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LEFT JOIN
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(t3, t4)
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ON t2.b=t4.b;
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a b a b a b
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3 3 NULL NULL NULL NULL
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4 2 1 2 3 2
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4 2 1 2 4 2
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4 2 2 2 3 2
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4 2 2 2 4 2
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5 3 NULL NULL NULL NULL
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SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
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FROM t2
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LEFT JOIN
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(t3, t4)
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ON t3.a=1 AND t2.b=t4.b;
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a b a b a b
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3 3 NULL NULL NULL NULL
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4 2 1 2 3 2
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4 2 1 2 4 2
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5 3 NULL NULL NULL NULL
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EXPLAIN EXTENDED
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SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
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FROM t2
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LEFT JOIN
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(t3, t4)
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ON t2.b=t4.b
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WHERE t3.a=1 OR t3.c IS NULL;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00
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1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
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1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00
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Warnings:
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352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
79 |
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t2` left join (`test`.`t3` join `test`.`t4`) on((`test`.`t4`.`b` = `test`.`t2`.`b`)) where ((`test`.`t3`.`a` = 1) or isnull(`test`.`t3`.`c`))
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1
by brian
clean slate |
80 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
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81 |
FROM t2
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LEFT JOIN
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(t3, t4)
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ON t2.b=t4.b
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WHERE t3.a=1 OR t3.c IS NULL;
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a b a b a b
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3 3 NULL NULL NULL NULL
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4 2 1 2 3 2
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4 2 1 2 4 2
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5 3 NULL NULL NULL NULL
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SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
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FROM t2
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LEFT JOIN
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(t3, t4)
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ON t2.b=t4.b
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WHERE t3.a>1 OR t3.c IS NULL;
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a b a b a b
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3 3 NULL NULL NULL NULL
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4 2 2 2 3 2
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4 2 2 2 4 2
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5 3 NULL NULL NULL NULL
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SELECT t5.a,t5.b
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FROM t5;
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a b
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3 1
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2 2
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3 3
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SELECT t3.a,t3.b,t4.a,t4.b,t5.a,t5.b
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FROM t3,t4,t5;
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a b a b a b
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1 2 3 2 3 1
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2 2 3 2 3 1
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1 2 4 2 3 1
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2 2 4 2 3 1
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1 2 3 2 2 2
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2 2 3 2 2 2
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1 2 4 2 2 2
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2 2 4 2 2 2
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1 2 3 2 3 3
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2 2 3 2 3 3
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1 2 4 2 3 3
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2 2 4 2 3 3
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SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,t5.a,t5.b
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FROM t2
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LEFT JOIN
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(t3, t4, t5)
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ON t2.b=t4.b;
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a b a b a b a b
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3 3 NULL NULL NULL NULL NULL NULL
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4 2 1 2 3 2 3 1
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4 2 1 2 3 2 2 2
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4 2 1 2 3 2 3 3
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4 2 1 2 4 2 3 1
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4 2 1 2 4 2 2 2
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4 2 1 2 4 2 3 3
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4 2 2 2 3 2 3 1
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4 2 2 2 3 2 2 2
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4 2 2 2 3 2 3 3
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4 2 2 2 4 2 3 1
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4 2 2 2 4 2 2 2
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4 2 2 2 4 2 3 3
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5 3 NULL NULL NULL NULL NULL NULL
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143 |
EXPLAIN EXTENDED
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144 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,t5.a,t5.b
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145 |
FROM t2
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146 |
LEFT JOIN
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(t3, t4, t5)
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148 |
ON t2.b=t4.b
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WHERE t3.a>1 OR t3.c IS NULL;
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150 |
id select_type table type possible_keys key key_len ref rows filtered Extra
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151 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00
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1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
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153 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00
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154 |
1 SIMPLE t5 ALL NULL NULL NULL NULL 3 100.00
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155 |
Warnings:
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352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
156 |
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b` from `test`.`t2` left join (`test`.`t3` join `test`.`t4` join `test`.`t5`) on((`test`.`t4`.`b` = `test`.`t2`.`b`)) where ((`test`.`t3`.`a` > 1) or isnull(`test`.`t3`.`c`))
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1
by brian
clean slate |
157 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,t5.a,t5.b
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158 |
FROM t2
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159 |
LEFT JOIN
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160 |
(t3, t4, t5)
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161 |
ON t2.b=t4.b
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162 |
WHERE t3.a>1 OR t3.c IS NULL;
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163 |
a b a b a b a b
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164 |
3 3 NULL NULL NULL NULL NULL NULL
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165 |
4 2 2 2 3 2 3 1
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166 |
4 2 2 2 3 2 2 2
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167 |
4 2 2 2 3 2 3 3
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168 |
4 2 2 2 4 2 3 1
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169 |
4 2 2 2 4 2 2 2
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170 |
4 2 2 2 4 2 3 3
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171 |
5 3 NULL NULL NULL NULL NULL NULL
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172 |
EXPLAIN EXTENDED
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173 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,t5.a,t5.b
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174 |
FROM t2
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175 |
LEFT JOIN
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176 |
(t3, t4, t5)
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177 |
ON t2.b=t4.b
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178 |
WHERE (t3.a>1 OR t3.c IS NULL) AND
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179 |
(t5.a<3 OR t5.c IS NULL);
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180 |
id select_type table type possible_keys key key_len ref rows filtered Extra
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181 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00
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182 |
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
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183 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00
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184 |
1 SIMPLE t5 ALL NULL NULL NULL NULL 3 100.00 Using where
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185 |
Warnings:
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352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
186 |
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b` from `test`.`t2` left join (`test`.`t3` join `test`.`t4` join `test`.`t5`) on((`test`.`t4`.`b` = `test`.`t2`.`b`)) where (((`test`.`t3`.`a` > 1) or isnull(`test`.`t3`.`c`)) and ((`test`.`t5`.`a` < 3) or isnull(`test`.`t5`.`c`)))
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1
by brian
clean slate |
187 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,t5.a,t5.b
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188 |
FROM t2
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189 |
LEFT JOIN
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190 |
(t3, t4, t5)
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191 |
ON t2.b=t4.b
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192 |
WHERE (t3.a>1 OR t3.c IS NULL) AND
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193 |
(t5.a<3 OR t5.c IS NULL);
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194 |
a b a b a b a b
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195 |
3 3 NULL NULL NULL NULL NULL NULL
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196 |
4 2 2 2 3 2 2 2
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197 |
4 2 2 2 4 2 2 2
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198 |
5 3 NULL NULL NULL NULL NULL NULL
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199 |
SELECT t6.a,t6.b
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200 |
FROM t6;
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201 |
a b
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202 |
3 2
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203 |
6 2
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204 |
6 1
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205 |
SELECT t7.a,t7.b
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206 |
FROM t7;
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207 |
a b
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208 |
1 1
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209 |
2 2
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210 |
SELECT t6.a,t6.b,t7.a,t7.b
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211 |
FROM t6,t7;
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212 |
a b a b
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213 |
3 2 1 1
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214 |
3 2 2 2
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215 |
6 2 1 1
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216 |
6 2 2 2
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217 |
6 1 1 1
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218 |
6 1 2 2
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219 |
SELECT t8.a,t8.b
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220 |
FROM t8;
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221 |
a b
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222 |
0 2
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223 |
1 2
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224 |
EXPLAIN EXTENDED
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225 |
SELECT t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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226 |
FROM (t6, t7)
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227 |
LEFT JOIN
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228 |
t8
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229 |
ON t7.b=t8.b AND t6.b < 10;
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230 |
id select_type table type possible_keys key key_len ref rows filtered Extra
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231 |
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00
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232 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using join buffer
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233 |
1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00
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234 |
Warnings:
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352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
235 |
Note 1003 select `test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b` from `test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t7`.`b` = `test`.`t8`.`b`) and (`test`.`t6`.`b` < 10))) where 1
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1
by brian
clean slate |
236 |
SELECT t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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237 |
FROM (t6, t7)
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238 |
LEFT JOIN
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239 |
t8
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240 |
ON t7.b=t8.b AND t6.b < 10;
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241 |
a b a b a b
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242 |
3 2 1 1 NULL NULL
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243 |
3 2 2 2 0 2
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244 |
3 2 2 2 1 2
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245 |
6 2 1 1 NULL NULL
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246 |
6 2 2 2 0 2
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247 |
6 2 2 2 1 2
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248 |
6 1 1 1 NULL NULL
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249 |
6 1 2 2 0 2
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250 |
6 1 2 2 1 2
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251 |
SELECT t5.a,t5.b
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252 |
FROM t5;
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253 |
a b
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254 |
3 1
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255 |
2 2
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256 |
3 3
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257 |
SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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258 |
FROM t5
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259 |
LEFT JOIN
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260 |
(
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261 |
(t6, t7)
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262 |
LEFT JOIN
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263 |
t8
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264 |
ON t7.b=t8.b AND t6.b < 10
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265 |
)
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266 |
ON t6.b >= 2 AND t5.b=t7.b;
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267 |
a b a b a b a b
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268 |
3 1 3 2 1 1 NULL NULL
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269 |
3 1 6 2 1 1 NULL NULL
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270 |
2 2 3 2 2 2 0 2
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271 |
2 2 3 2 2 2 1 2
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272 |
2 2 6 2 2 2 0 2
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273 |
2 2 6 2 2 2 1 2
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274 |
3 3 NULL NULL NULL NULL NULL NULL
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275 |
SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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|
276 |
FROM t5
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277 |
LEFT JOIN
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|
278 |
(
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279 |
(t6, t7)
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280 |
LEFT JOIN
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|
281 |
t8
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282 |
ON t7.b=t8.b AND t6.b < 10
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283 |
)
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284 |
ON t6.b >= 2 AND t5.b=t7.b AND
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|
285 |
(t8.a < 1 OR t8.c IS NULL);
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|
286 |
a b a b a b a b
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|
287 |
3 1 3 2 1 1 NULL NULL
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288 |
3 1 6 2 1 1 NULL NULL
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|
289 |
2 2 3 2 2 2 0 2
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290 |
2 2 6 2 2 2 0 2
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|
291 |
3 3 NULL NULL NULL NULL NULL NULL
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|
292 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
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|
293 |
FROM t2
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|
294 |
LEFT JOIN
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|
295 |
(t3, t4)
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296 |
ON t3.a=1 AND t2.b=t4.b;
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|
297 |
a b a b a b
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298 |
3 3 NULL NULL NULL NULL
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|
299 |
4 2 1 2 3 2
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|
300 |
4 2 1 2 4 2
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|
301 |
5 3 NULL NULL NULL NULL
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|
302 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
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303 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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|
304 |
FROM t2
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|
305 |
LEFT JOIN
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|
306 |
(t3, t4)
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|
307 |
ON t3.a=1 AND t2.b=t4.b,
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|
308 |
t5
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|
309 |
LEFT JOIN
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|
310 |
(
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|
311 |
(t6, t7)
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|
312 |
LEFT JOIN
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|
313 |
t8
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|
314 |
ON t7.b=t8.b AND t6.b < 10
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|
315 |
)
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|
316 |
ON t6.b >= 2 AND t5.b=t7.b;
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|
317 |
a b a b a b a b a b a b a b
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|
318 |
3 3 NULL NULL NULL NULL 3 1 3 2 1 1 NULL NULL
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|
319 |
3 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL
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|
320 |
4 2 1 2 3 2 3 1 3 2 1 1 NULL NULL
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|
321 |
4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL
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|
322 |
4 2 1 2 4 2 3 1 3 2 1 1 NULL NULL
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|
323 |
4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL
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|
324 |
5 3 NULL NULL NULL NULL 3 1 3 2 1 1 NULL NULL
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|
325 |
5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL
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|
326 |
3 3 NULL NULL NULL NULL 2 2 3 2 2 2 0 2
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|
327 |
3 3 NULL NULL NULL NULL 2 2 3 2 2 2 1 2
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|
328 |
3 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2
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|
329 |
3 3 NULL NULL NULL NULL 2 2 6 2 2 2 1 2
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|
330 |
4 2 1 2 3 2 2 2 3 2 2 2 0 2
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|
331 |
4 2 1 2 3 2 2 2 3 2 2 2 1 2
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|
332 |
4 2 1 2 3 2 2 2 6 2 2 2 0 2
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|
333 |
4 2 1 2 3 2 2 2 6 2 2 2 1 2
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|
334 |
4 2 1 2 4 2 2 2 3 2 2 2 0 2
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|
335 |
4 2 1 2 4 2 2 2 3 2 2 2 1 2
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|
336 |
4 2 1 2 4 2 2 2 6 2 2 2 0 2
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|
337 |
4 2 1 2 4 2 2 2 6 2 2 2 1 2
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|
338 |
5 3 NULL NULL NULL NULL 2 2 3 2 2 2 0 2
|
|
339 |
5 3 NULL NULL NULL NULL 2 2 3 2 2 2 1 2
|
|
340 |
5 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2
|
|
341 |
5 3 NULL NULL NULL NULL 2 2 6 2 2 2 1 2
|
|
342 |
3 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL
|
|
343 |
4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
344 |
4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
345 |
5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL
|
|
346 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
|
347 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
|
|
348 |
FROM t2
|
|
349 |
LEFT JOIN
|
|
350 |
(t3, t4)
|
|
351 |
ON t3.a=1 AND t2.b=t4.b,
|
|
352 |
t5
|
|
353 |
LEFT JOIN
|
|
354 |
(
|
|
355 |
(t6, t7)
|
|
356 |
LEFT JOIN
|
|
357 |
t8
|
|
358 |
ON t7.b=t8.b AND t6.b < 10
|
|
359 |
)
|
|
360 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
361 |
WHERE t2.a > 3 AND
|
|
362 |
(t6.a < 6 OR t6.c IS NULL);
|
|
363 |
a b a b a b a b a b a b a b
|
|
364 |
4 2 1 2 3 2 3 1 3 2 1 1 NULL NULL
|
|
365 |
4 2 1 2 4 2 3 1 3 2 1 1 NULL NULL
|
|
366 |
5 3 NULL NULL NULL NULL 3 1 3 2 1 1 NULL NULL
|
|
367 |
4 2 1 2 3 2 2 2 3 2 2 2 0 2
|
|
368 |
4 2 1 2 3 2 2 2 3 2 2 2 1 2
|
|
369 |
4 2 1 2 4 2 2 2 3 2 2 2 0 2
|
|
370 |
4 2 1 2 4 2 2 2 3 2 2 2 1 2
|
|
371 |
5 3 NULL NULL NULL NULL 2 2 3 2 2 2 0 2
|
|
372 |
5 3 NULL NULL NULL NULL 2 2 3 2 2 2 1 2
|
|
373 |
4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
374 |
4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
375 |
5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL
|
|
376 |
SELECT t1.a,t1.b
|
|
377 |
FROM t1;
|
|
378 |
a b
|
|
379 |
1 3
|
|
380 |
2 2
|
|
381 |
3 2
|
|
382 |
SELECT t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
|
383 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
|
|
384 |
FROM t1
|
|
385 |
LEFT JOIN
|
|
386 |
(
|
|
387 |
t2
|
|
388 |
LEFT JOIN
|
|
389 |
(t3, t4)
|
|
390 |
ON t3.a=1 AND t2.b=t4.b,
|
|
391 |
t5
|
|
392 |
LEFT JOIN
|
|
393 |
(
|
|
394 |
(t6, t7)
|
|
395 |
LEFT JOIN
|
|
396 |
t8
|
|
397 |
ON t7.b=t8.b AND t6.b < 10
|
|
398 |
)
|
|
399 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
400 |
)
|
|
401 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
402 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
403 |
(t1.a != 2);
|
|
404 |
a b a b a b a b a b a b a b a b
|
|
405 |
1 3 3 3 NULL NULL NULL NULL 3 1 3 2 1 1 NULL NULL
|
|
406 |
1 3 3 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL
|
|
407 |
1 3 3 3 NULL NULL NULL NULL 2 2 3 2 2 2 0 2
|
|
408 |
1 3 3 3 NULL NULL NULL NULL 2 2 3 2 2 2 1 2
|
|
409 |
1 3 3 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2
|
|
410 |
1 3 3 3 NULL NULL NULL NULL 2 2 6 2 2 2 1 2
|
|
411 |
1 3 3 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL
|
|
412 |
1 3 4 2 1 2 3 2 3 1 3 2 1 1 NULL NULL
|
|
413 |
1 3 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL
|
|
414 |
1 3 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
415 |
1 3 4 2 1 2 4 2 3 1 3 2 1 1 NULL NULL
|
|
416 |
1 3 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL
|
|
417 |
1 3 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
418 |
1 3 5 3 NULL NULL NULL NULL 3 1 3 2 1 1 NULL NULL
|
|
419 |
1 3 5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL
|
|
420 |
1 3 5 3 NULL NULL NULL NULL 2 2 3 2 2 2 0 2
|
|
421 |
1 3 5 3 NULL NULL NULL NULL 2 2 3 2 2 2 1 2
|
|
422 |
1 3 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2
|
|
423 |
1 3 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 1 2
|
|
424 |
1 3 5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL
|
|
425 |
2 2 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL
|
|
426 |
3 2 3 3 NULL NULL NULL NULL 3 1 3 2 1 1 NULL NULL
|
|
427 |
3 2 3 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL
|
|
428 |
3 2 3 3 NULL NULL NULL NULL 2 2 3 2 2 2 0 2
|
|
429 |
3 2 3 3 NULL NULL NULL NULL 2 2 3 2 2 2 1 2
|
|
430 |
3 2 3 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2
|
|
431 |
3 2 3 3 NULL NULL NULL NULL 2 2 6 2 2 2 1 2
|
|
432 |
3 2 3 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL
|
|
433 |
3 2 4 2 1 2 3 2 3 1 3 2 1 1 NULL NULL
|
|
434 |
3 2 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL
|
|
435 |
3 2 4 2 1 2 3 2 2 2 3 2 2 2 0 2
|
|
436 |
3 2 4 2 1 2 3 2 2 2 3 2 2 2 1 2
|
|
437 |
3 2 4 2 1 2 3 2 2 2 6 2 2 2 0 2
|
|
438 |
3 2 4 2 1 2 3 2 2 2 6 2 2 2 1 2
|
|
439 |
3 2 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
440 |
3 2 4 2 1 2 4 2 3 1 3 2 1 1 NULL NULL
|
|
441 |
3 2 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL
|
|
442 |
3 2 4 2 1 2 4 2 2 2 3 2 2 2 0 2
|
|
443 |
3 2 4 2 1 2 4 2 2 2 3 2 2 2 1 2
|
|
444 |
3 2 4 2 1 2 4 2 2 2 6 2 2 2 0 2
|
|
445 |
3 2 4 2 1 2 4 2 2 2 6 2 2 2 1 2
|
|
446 |
3 2 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
447 |
3 2 5 3 NULL NULL NULL NULL 3 1 3 2 1 1 NULL NULL
|
|
448 |
3 2 5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL
|
|
449 |
3 2 5 3 NULL NULL NULL NULL 2 2 3 2 2 2 0 2
|
|
450 |
3 2 5 3 NULL NULL NULL NULL 2 2 3 2 2 2 1 2
|
|
451 |
3 2 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2
|
|
452 |
3 2 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 1 2
|
|
453 |
3 2 5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL
|
|
454 |
SELECT t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
|
455 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
|
|
456 |
FROM t1
|
|
457 |
LEFT JOIN
|
|
458 |
(
|
|
459 |
t2
|
|
460 |
LEFT JOIN
|
|
461 |
(t3, t4)
|
|
462 |
ON t3.a=1 AND t2.b=t4.b,
|
|
463 |
t5
|
|
464 |
LEFT JOIN
|
|
465 |
(
|
|
466 |
(t6, t7)
|
|
467 |
LEFT JOIN
|
|
468 |
t8
|
|
469 |
ON t7.b=t8.b AND t6.b < 10
|
|
470 |
)
|
|
471 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
472 |
)
|
|
473 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
474 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
475 |
(t1.a != 2)
|
|
476 |
WHERE (t2.a >= 4 OR t2.c IS NULL);
|
|
477 |
a b a b a b a b a b a b a b a b
|
|
478 |
1 3 4 2 1 2 3 2 3 1 3 2 1 1 NULL NULL
|
|
479 |
1 3 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL
|
|
480 |
1 3 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
481 |
1 3 4 2 1 2 4 2 3 1 3 2 1 1 NULL NULL
|
|
482 |
1 3 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL
|
|
483 |
1 3 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
484 |
1 3 5 3 NULL NULL NULL NULL 3 1 3 2 1 1 NULL NULL
|
|
485 |
1 3 5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL
|
|
486 |
1 3 5 3 NULL NULL NULL NULL 2 2 3 2 2 2 0 2
|
|
487 |
1 3 5 3 NULL NULL NULL NULL 2 2 3 2 2 2 1 2
|
|
488 |
1 3 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2
|
|
489 |
1 3 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 1 2
|
|
490 |
1 3 5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL
|
|
491 |
2 2 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL
|
|
492 |
3 2 4 2 1 2 3 2 3 1 3 2 1 1 NULL NULL
|
|
493 |
3 2 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL
|
|
494 |
3 2 4 2 1 2 3 2 2 2 3 2 2 2 0 2
|
|
495 |
3 2 4 2 1 2 3 2 2 2 3 2 2 2 1 2
|
|
496 |
3 2 4 2 1 2 3 2 2 2 6 2 2 2 0 2
|
|
497 |
3 2 4 2 1 2 3 2 2 2 6 2 2 2 1 2
|
|
498 |
3 2 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
499 |
3 2 4 2 1 2 4 2 3 1 3 2 1 1 NULL NULL
|
|
500 |
3 2 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL
|
|
501 |
3 2 4 2 1 2 4 2 2 2 3 2 2 2 0 2
|
|
502 |
3 2 4 2 1 2 4 2 2 2 3 2 2 2 1 2
|
|
503 |
3 2 4 2 1 2 4 2 2 2 6 2 2 2 0 2
|
|
504 |
3 2 4 2 1 2 4 2 2 2 6 2 2 2 1 2
|
|
505 |
3 2 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
506 |
3 2 5 3 NULL NULL NULL NULL 3 1 3 2 1 1 NULL NULL
|
|
507 |
3 2 5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL
|
|
508 |
3 2 5 3 NULL NULL NULL NULL 2 2 3 2 2 2 0 2
|
|
509 |
3 2 5 3 NULL NULL NULL NULL 2 2 3 2 2 2 1 2
|
|
510 |
3 2 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2
|
|
511 |
3 2 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 1 2
|
|
512 |
3 2 5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL
|
|
513 |
SELECT t0.a,t0.b
|
|
514 |
FROM t0;
|
|
515 |
a b
|
|
516 |
1 1
|
|
517 |
1 2
|
|
518 |
2 2
|
|
519 |
EXPLAIN EXTENDED
|
|
520 |
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
|
521 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
|
|
522 |
FROM t0,t1
|
|
523 |
LEFT JOIN
|
|
524 |
(
|
|
525 |
t2
|
|
526 |
LEFT JOIN
|
|
527 |
(t3, t4)
|
|
528 |
ON t3.a=1 AND t2.b=t4.b,
|
|
529 |
t5
|
|
530 |
LEFT JOIN
|
|
531 |
(
|
|
532 |
(t6, t7)
|
|
533 |
LEFT JOIN
|
|
534 |
t8
|
|
535 |
ON t7.b=t8.b AND t6.b < 10
|
|
536 |
)
|
|
537 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
538 |
)
|
|
539 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
540 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
541 |
(t1.a != 2)
|
|
542 |
WHERE t0.a=1 AND
|
|
543 |
t0.b=t1.b AND
|
|
544 |
(t2.a >= 4 OR t2.c IS NULL);
|
|
545 |
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
546 |
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
547 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
|
|
548 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
549 |
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00
|
|
550 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00
|
|
551 |
1 SIMPLE t5 ALL NULL NULL NULL NULL 3 100.00
|
|
552 |
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00
|
|
553 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00
|
|
554 |
1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00
|
|
555 |
Warnings:
|
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
556 |
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) where ((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)))
|
|
1
by brian
clean slate |
557 |
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
558 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
|
|
559 |
FROM t0,t1
|
|
560 |
LEFT JOIN
|
|
561 |
(
|
|
562 |
t2
|
|
563 |
LEFT JOIN
|
|
564 |
(t3, t4)
|
|
565 |
ON t3.a=1 AND t2.b=t4.b,
|
|
566 |
t5
|
|
567 |
LEFT JOIN
|
|
568 |
(
|
|
569 |
(t6, t7)
|
|
570 |
LEFT JOIN
|
|
571 |
t8
|
|
572 |
ON t7.b=t8.b AND t6.b < 10
|
|
573 |
)
|
|
574 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
575 |
)
|
|
576 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
577 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
578 |
(t1.a != 2)
|
|
579 |
WHERE t0.a=1 AND
|
|
580 |
t0.b=t1.b AND
|
|
581 |
(t2.a >= 4 OR t2.c IS NULL);
|
|
582 |
a b a b a b a b a b a b a b a b a b
|
|
583 |
1 2 2 2 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL
|
|
584 |
1 2 3 2 4 2 1 2 3 2 3 1 3 2 1 1 NULL NULL
|
|
585 |
1 2 3 2 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL
|
|
586 |
1 2 3 2 4 2 1 2 3 2 2 2 3 2 2 2 0 2
|
|
587 |
1 2 3 2 4 2 1 2 3 2 2 2 3 2 2 2 1 2
|
|
588 |
1 2 3 2 4 2 1 2 3 2 2 2 6 2 2 2 0 2
|
|
589 |
1 2 3 2 4 2 1 2 3 2 2 2 6 2 2 2 1 2
|
|
590 |
1 2 3 2 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
591 |
1 2 3 2 4 2 1 2 4 2 3 1 3 2 1 1 NULL NULL
|
|
592 |
1 2 3 2 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL
|
|
593 |
1 2 3 2 4 2 1 2 4 2 2 2 3 2 2 2 0 2
|
|
594 |
1 2 3 2 4 2 1 2 4 2 2 2 3 2 2 2 1 2
|
|
595 |
1 2 3 2 4 2 1 2 4 2 2 2 6 2 2 2 0 2
|
|
596 |
1 2 3 2 4 2 1 2 4 2 2 2 6 2 2 2 1 2
|
|
597 |
1 2 3 2 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL
|
|
598 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 1 3 2 1 1 NULL NULL
|
|
599 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL
|
|
600 |
1 2 3 2 5 3 NULL NULL NULL NULL 2 2 3 2 2 2 0 2
|
|
601 |
1 2 3 2 5 3 NULL NULL NULL NULL 2 2 3 2 2 2 1 2
|
|
602 |
1 2 3 2 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2
|
|
603 |
1 2 3 2 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 1 2
|
|
604 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL
|
|
605 |
EXPLAIN EXTENDED
|
|
606 |
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
|
607 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b
|
|
608 |
FROM t0,t1
|
|
609 |
LEFT JOIN
|
|
610 |
(
|
|
611 |
t2
|
|
612 |
LEFT JOIN
|
|
613 |
(t3, t4)
|
|
614 |
ON t3.a=1 AND t2.b=t4.b,
|
|
615 |
t5
|
|
616 |
LEFT JOIN
|
|
617 |
(
|
|
618 |
(t6, t7)
|
|
619 |
LEFT JOIN
|
|
620 |
t8
|
|
621 |
ON t7.b=t8.b AND t6.b < 10
|
|
622 |
)
|
|
623 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
624 |
)
|
|
625 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
626 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
627 |
(t1.a != 2),
|
|
628 |
t9
|
|
629 |
WHERE t0.a=1 AND
|
|
630 |
t0.b=t1.b AND
|
|
631 |
(t2.a >= 4 OR t2.c IS NULL) AND
|
|
632 |
(t3.a < 5 OR t3.c IS NULL) AND
|
|
633 |
(t3.b=t4.b OR t3.c IS NULL OR t4.c IS NULL) AND
|
|
634 |
(t5.a >=2 OR t5.c IS NULL) AND
|
|
635 |
(t6.a >=4 OR t6.c IS NULL) AND
|
|
636 |
(t7.a <= 2 OR t7.c IS NULL) AND
|
|
637 |
(t8.a < 1 OR t8.c IS NULL) AND
|
|
638 |
(t8.b=t9.b OR t8.c IS NULL) AND
|
|
639 |
(t9.a=1);
|
|
640 |
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
641 |
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
642 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
|
|
643 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
644 |
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
645 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
646 |
1 SIMPLE t5 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
647 |
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
648 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
649 |
1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
650 |
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
|
|
651 |
Warnings:
|
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
652 |
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
|
|
1
by brian
clean slate |
653 |
SELECT t9.a,t9.b
|
654 |
FROM t9;
|
|
655 |
a b
|
|
656 |
1 1
|
|
657 |
1 2
|
|
658 |
3 3
|
|
659 |
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
|
660 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b
|
|
661 |
FROM t0,t1
|
|
662 |
LEFT JOIN
|
|
663 |
(
|
|
664 |
t2
|
|
665 |
LEFT JOIN
|
|
666 |
(t3, t4)
|
|
667 |
ON t3.a=1 AND t2.b=t4.b,
|
|
668 |
t5
|
|
669 |
LEFT JOIN
|
|
670 |
(
|
|
671 |
(t6, t7)
|
|
672 |
LEFT JOIN
|
|
673 |
t8
|
|
674 |
ON t7.b=t8.b AND t6.b < 10
|
|
675 |
)
|
|
676 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
677 |
)
|
|
678 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
679 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
680 |
(t1.a != 2),
|
|
681 |
t9
|
|
682 |
WHERE t0.a=1 AND
|
|
683 |
t0.b=t1.b AND
|
|
684 |
(t2.a >= 4 OR t2.c IS NULL) AND
|
|
685 |
(t3.a < 5 OR t3.c IS NULL) AND
|
|
686 |
(t3.b=t4.b OR t3.c IS NULL OR t4.c IS NULL) AND
|
|
687 |
(t5.a >=2 OR t5.c IS NULL) AND
|
|
688 |
(t6.a >=4 OR t6.c IS NULL) AND
|
|
689 |
(t7.a <= 2 OR t7.c IS NULL) AND
|
|
690 |
(t8.a < 1 OR t8.c IS NULL) AND
|
|
691 |
(t8.b=t9.b OR t8.c IS NULL) AND
|
|
692 |
(t9.a=1);
|
|
693 |
a b a b a b a b a b a b a b a b a b a b
|
|
694 |
1 2 2 2 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL 1 1
|
|
695 |
1 2 3 2 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL 1 1
|
|
696 |
1 2 3 2 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL 1 1
|
|
697 |
1 2 3 2 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL 1 1
|
|
698 |
1 2 3 2 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL 1 1
|
|
699 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL 1 1
|
|
700 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL 1 1
|
|
701 |
1 2 2 2 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL 1 2
|
|
702 |
1 2 3 2 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL 1 2
|
|
703 |
1 2 3 2 4 2 1 2 3 2 2 2 6 2 2 2 0 2 1 2
|
|
704 |
1 2 3 2 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL 1 2
|
|
705 |
1 2 3 2 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL 1 2
|
|
706 |
1 2 3 2 4 2 1 2 4 2 2 2 6 2 2 2 0 2 1 2
|
|
707 |
1 2 3 2 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL 1 2
|
|
708 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL 1 2
|
|
709 |
1 2 3 2 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2 1 2
|
|
710 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL 1 2
|
|
711 |
SELECT t1.a,t1.b
|
|
712 |
FROM t1;
|
|
713 |
a b
|
|
714 |
1 3
|
|
715 |
2 2
|
|
716 |
3 2
|
|
717 |
SELECT t2.a,t2.b
|
|
718 |
FROM t2;
|
|
719 |
a b
|
|
720 |
3 3
|
|
721 |
4 2
|
|
722 |
5 3
|
|
723 |
SELECT t3.a,t3.b
|
|
724 |
FROM t3;
|
|
725 |
a b
|
|
726 |
1 2
|
|
727 |
2 2
|
|
728 |
SELECT t2.a,t2.b,t3.a,t3.b
|
|
729 |
FROM t2
|
|
730 |
LEFT JOIN
|
|
731 |
t3
|
|
732 |
ON t2.b=t3.b;
|
|
733 |
a b a b
|
|
734 |
3 3 NULL NULL
|
|
735 |
4 2 1 2
|
|
736 |
4 2 2 2
|
|
737 |
5 3 NULL NULL
|
|
738 |
SELECT t1.a,t1.b,t2.a,t2.b,t3.a,t3.b
|
|
739 |
FROM t1, t2
|
|
740 |
LEFT JOIN
|
|
741 |
t3
|
|
742 |
ON t2.b=t3.b
|
|
743 |
WHERE t1.a <= 2;
|
|
744 |
a b a b a b
|
|
745 |
1 3 3 3 NULL NULL
|
|
746 |
2 2 3 3 NULL NULL
|
|
747 |
1 3 4 2 1 2
|
|
748 |
1 3 4 2 2 2
|
|
749 |
2 2 4 2 1 2
|
|
750 |
2 2 4 2 2 2
|
|
751 |
1 3 5 3 NULL NULL
|
|
752 |
2 2 5 3 NULL NULL
|
|
753 |
SELECT t1.a,t1.b,t2.a,t2.b,t3.a,t3.b
|
|
754 |
FROM t1, t3
|
|
755 |
RIGHT JOIN
|
|
756 |
t2
|
|
757 |
ON t2.b=t3.b
|
|
758 |
WHERE t1.a <= 2;
|
|
759 |
a b a b a b
|
|
760 |
1 3 3 3 NULL NULL
|
|
761 |
2 2 3 3 NULL NULL
|
|
762 |
1 3 4 2 1 2
|
|
763 |
1 3 4 2 2 2
|
|
764 |
2 2 4 2 1 2
|
|
765 |
2 2 4 2 2 2
|
|
766 |
1 3 5 3 NULL NULL
|
|
767 |
2 2 5 3 NULL NULL
|
|
768 |
SELECT t3.a,t3.b,t4.a,t4.b
|
|
769 |
FROM t3,t4;
|
|
770 |
a b a b
|
|
771 |
1 2 3 2
|
|
772 |
2 2 3 2
|
|
773 |
1 2 4 2
|
|
774 |
2 2 4 2
|
|
775 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
|
|
776 |
FROM t2
|
|
777 |
LEFT JOIN
|
|
778 |
(t3, t4)
|
|
779 |
ON t3.a=1 AND t2.b=t4.b;
|
|
780 |
a b a b a b
|
|
781 |
3 3 NULL NULL NULL NULL
|
|
782 |
4 2 1 2 3 2
|
|
783 |
4 2 1 2 4 2
|
|
784 |
5 3 NULL NULL NULL NULL
|
|
785 |
SELECT t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
|
|
786 |
FROM t1, t2
|
|
787 |
LEFT JOIN
|
|
788 |
(t3, t4)
|
|
789 |
ON t3.a=1 AND t2.b=t4.b
|
|
790 |
WHERE t1.a <= 2;
|
|
791 |
a b a b a b a b
|
|
792 |
1 3 3 3 NULL NULL NULL NULL
|
|
793 |
2 2 3 3 NULL NULL NULL NULL
|
|
794 |
1 3 4 2 1 2 3 2
|
|
795 |
1 3 4 2 1 2 4 2
|
|
796 |
2 2 4 2 1 2 3 2
|
|
797 |
2 2 4 2 1 2 4 2
|
|
798 |
1 3 5 3 NULL NULL NULL NULL
|
|
799 |
2 2 5 3 NULL NULL NULL NULL
|
|
800 |
SELECT t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
|
|
801 |
FROM t1, (t3, t4)
|
|
802 |
RIGHT JOIN
|
|
803 |
t2
|
|
804 |
ON t3.a=1 AND t2.b=t4.b
|
|
805 |
WHERE t1.a <= 2;
|
|
806 |
a b a b a b a b
|
|
807 |
1 3 3 3 NULL NULL NULL NULL
|
|
808 |
2 2 3 3 NULL NULL NULL NULL
|
|
809 |
1 3 4 2 1 2 3 2
|
|
810 |
1 3 4 2 1 2 4 2
|
|
811 |
2 2 4 2 1 2 3 2
|
|
812 |
2 2 4 2 1 2 4 2
|
|
813 |
1 3 5 3 NULL NULL NULL NULL
|
|
814 |
2 2 5 3 NULL NULL NULL NULL
|
|
815 |
SELECT t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
|
|
816 |
FROM t1, (t3, t4)
|
|
817 |
RIGHT JOIN
|
|
818 |
t2
|
|
819 |
ON t3.a=1 AND t2.b=t4.b
|
|
820 |
WHERE t1.a <= 2;
|
|
821 |
a b a b a b a b
|
|
822 |
1 3 3 3 NULL NULL NULL NULL
|
|
823 |
2 2 3 3 NULL NULL NULL NULL
|
|
824 |
1 3 4 2 1 2 3 2
|
|
825 |
1 3 4 2 1 2 4 2
|
|
826 |
2 2 4 2 1 2 3 2
|
|
827 |
2 2 4 2 1 2 4 2
|
|
828 |
1 3 5 3 NULL NULL NULL NULL
|
|
829 |
2 2 5 3 NULL NULL NULL NULL
|
|
830 |
EXPLAIN EXTENDED
|
|
831 |
SELECT t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
|
|
832 |
FROM t1, (t3, t4)
|
|
833 |
RIGHT JOIN
|
|
834 |
t2
|
|
835 |
ON t3.a=1 AND t2.b=t4.b
|
|
836 |
WHERE t1.a <= 2;
|
|
837 |
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
838 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
839 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using join buffer
|
|
840 |
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00
|
|
841 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00
|
|
842 |
Warnings:
|
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
843 |
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t1` join `test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) where (`test`.`t1`.`a` <= 2)
|
|
1
by brian
clean slate |
844 |
CREATE INDEX idx_b ON t2(b);
|
845 |
EXPLAIN EXTENDED
|
|
846 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
|
|
847 |
FROM (t3,t4)
|
|
848 |
LEFT JOIN
|
|
849 |
(t1,t2)
|
|
850 |
ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b;
|
|
851 |
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
852 |
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00
|
|
853 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 Using join buffer
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
854 |
1 SIMPLE t2 ref idx_b idx_b 5 test.t3.b 1 100.00
|
|
1
by brian
clean slate |
855 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
|
856 |
Warnings:
|
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
857 |
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t3`.`a` = 1) and (`test`.`t3`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` = `test`.`t4`.`b`))) where 1
|
|
1
by brian
clean slate |
858 |
SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b
|
859 |
FROM (t3,t4)
|
|
860 |
LEFT JOIN
|
|
861 |
(t1,t2)
|
|
862 |
ON t3.a=1 AND t3.b=t2.b AND t2.b=t4.b;
|
|
863 |
a b a b a b
|
|
864 |
4 2 1 2 3 2
|
|
865 |
4 2 1 2 3 2
|
|
866 |
4 2 1 2 3 2
|
|
867 |
NULL NULL 2 2 3 2
|
|
868 |
4 2 1 2 4 2
|
|
869 |
4 2 1 2 4 2
|
|
870 |
4 2 1 2 4 2
|
|
871 |
NULL NULL 2 2 4 2
|
|
872 |
EXPLAIN EXTENDED
|
|
873 |
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
|
874 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b
|
|
875 |
FROM t0,t1
|
|
876 |
LEFT JOIN
|
|
877 |
(
|
|
878 |
t2
|
|
879 |
LEFT JOIN
|
|
880 |
(t3, t4)
|
|
881 |
ON t3.a=1 AND t2.b=t4.b,
|
|
882 |
t5
|
|
883 |
LEFT JOIN
|
|
884 |
(
|
|
885 |
(t6, t7)
|
|
886 |
LEFT JOIN
|
|
887 |
t8
|
|
888 |
ON t7.b=t8.b AND t6.b < 10
|
|
889 |
)
|
|
890 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
891 |
)
|
|
892 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
893 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
894 |
(t1.a != 2),
|
|
895 |
t9
|
|
896 |
WHERE t0.a=1 AND
|
|
897 |
t0.b=t1.b AND
|
|
898 |
(t2.a >= 4 OR t2.c IS NULL) AND
|
|
899 |
(t3.a < 5 OR t3.c IS NULL) AND
|
|
900 |
(t3.b=t4.b OR t3.c IS NULL OR t4.c IS NULL) AND
|
|
901 |
(t5.a >=2 OR t5.c IS NULL) AND
|
|
902 |
(t6.a >=4 OR t6.c IS NULL) AND
|
|
903 |
(t7.a <= 2 OR t7.c IS NULL) AND
|
|
904 |
(t8.a < 1 OR t8.c IS NULL) AND
|
|
905 |
(t8.b=t9.b OR t8.c IS NULL) AND
|
|
906 |
(t9.a=1);
|
|
907 |
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
908 |
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
909 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
|
|
910 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
911 |
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
912 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
913 |
1 SIMPLE t5 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
914 |
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
915 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
916 |
1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
917 |
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
|
|
918 |
Warnings:
|
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
919 |
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
|
|
1
by brian
clean slate |
920 |
CREATE INDEX idx_b ON t4(b);
|
921 |
CREATE INDEX idx_b ON t5(b);
|
|
922 |
EXPLAIN EXTENDED
|
|
923 |
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
|
924 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b
|
|
925 |
FROM t0,t1
|
|
926 |
LEFT JOIN
|
|
927 |
(
|
|
928 |
t2
|
|
929 |
LEFT JOIN
|
|
930 |
(t3, t4)
|
|
931 |
ON t3.a=1 AND t2.b=t4.b,
|
|
932 |
t5
|
|
933 |
LEFT JOIN
|
|
934 |
(
|
|
935 |
(t6, t7)
|
|
936 |
LEFT JOIN
|
|
937 |
t8
|
|
938 |
ON t7.b=t8.b AND t6.b < 10
|
|
939 |
)
|
|
940 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
941 |
)
|
|
942 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
943 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
944 |
(t1.a != 2),
|
|
945 |
t9
|
|
946 |
WHERE t0.a=1 AND
|
|
947 |
t0.b=t1.b AND
|
|
948 |
(t2.a >= 4 OR t2.c IS NULL) AND
|
|
949 |
(t3.a < 5 OR t3.c IS NULL) AND
|
|
950 |
(t3.b=t4.b OR t3.c IS NULL OR t4.c IS NULL) AND
|
|
951 |
(t5.a >=2 OR t5.c IS NULL) AND
|
|
952 |
(t6.a >=4 OR t6.c IS NULL) AND
|
|
953 |
(t7.a <= 2 OR t7.c IS NULL) AND
|
|
954 |
(t8.a < 1 OR t8.c IS NULL) AND
|
|
955 |
(t8.b=t9.b OR t8.c IS NULL) AND
|
|
956 |
(t9.a=1);
|
|
957 |
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
958 |
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
959 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
|
|
960 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
961 |
1 SIMPLE t4 ref idx_b idx_b 5 test.t2.b 1 100.00
|
|
1
by brian
clean slate |
962 |
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
|
963 |
1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where
|
|
964 |
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
965 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
966 |
1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
967 |
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
|
|
968 |
Warnings:
|
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
969 |
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t3`.`b` = `test`.`t4`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
|
|
1
by brian
clean slate |
970 |
CREATE INDEX idx_b ON t8(b);
|
971 |
EXPLAIN EXTENDED
|
|
972 |
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
|
973 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b
|
|
974 |
FROM t0,t1
|
|
975 |
LEFT JOIN
|
|
976 |
(
|
|
977 |
t2
|
|
978 |
LEFT JOIN
|
|
979 |
(t3, t4)
|
|
980 |
ON t3.a=1 AND t2.b=t4.b,
|
|
981 |
t5
|
|
982 |
LEFT JOIN
|
|
983 |
(
|
|
984 |
(t6, t7)
|
|
985 |
LEFT JOIN
|
|
986 |
t8
|
|
987 |
ON t7.b=t8.b AND t6.b < 10
|
|
988 |
)
|
|
989 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
990 |
)
|
|
991 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
992 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
993 |
(t1.a != 2),
|
|
994 |
t9
|
|
995 |
WHERE t0.a=1 AND
|
|
996 |
t0.b=t1.b AND
|
|
997 |
(t2.a >= 4 OR t2.c IS NULL) AND
|
|
998 |
(t3.a < 5 OR t3.c IS NULL) AND
|
|
999 |
(t3.b=t4.b OR t3.c IS NULL OR t4.c IS NULL) AND
|
|
1000 |
(t5.a >=2 OR t5.c IS NULL) AND
|
|
1001 |
(t6.a >=4 OR t6.c IS NULL) AND
|
|
1002 |
(t7.a <= 2 OR t7.c IS NULL) AND
|
|
1003 |
(t8.a < 1 OR t8.c IS NULL) AND
|
|
1004 |
(t8.b=t9.b OR t8.c IS NULL) AND
|
|
1005 |
(t9.a=1);
|
|
1006 |
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
1007 |
1 SIMPLE t0 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
1008 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
|
|
1009 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
1010 |
1 SIMPLE t4 ref idx_b idx_b 5 test.t2.b 1 100.00
|
|
1
by brian
clean slate |
1011 |
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
|
1012 |
1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where
|
|
1013 |
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
1014 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
1015 |
1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 1 100.00 Using where
|
|
1
by brian
clean slate |
1016 |
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
|
1017 |
Warnings:
|
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
1018 |
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t3`.`b` = `test`.`t4`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
|
|
1
by brian
clean slate |
1019 |
CREATE INDEX idx_b ON t1(b);
|
1020 |
CREATE INDEX idx_a ON t0(a);
|
|
1021 |
EXPLAIN EXTENDED
|
|
1022 |
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
|
1023 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b
|
|
1024 |
FROM t0,t1
|
|
1025 |
LEFT JOIN
|
|
1026 |
(
|
|
1027 |
t2
|
|
1028 |
LEFT JOIN
|
|
1029 |
(t3, t4)
|
|
1030 |
ON t3.a=1 AND t2.b=t4.b,
|
|
1031 |
t5
|
|
1032 |
LEFT JOIN
|
|
1033 |
(
|
|
1034 |
(t6, t7)
|
|
1035 |
LEFT JOIN
|
|
1036 |
t8
|
|
1037 |
ON t7.b=t8.b AND t6.b < 10
|
|
1038 |
)
|
|
1039 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
1040 |
)
|
|
1041 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
1042 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
1043 |
(t1.a != 2),
|
|
1044 |
t9
|
|
1045 |
WHERE t0.a=1 AND
|
|
1046 |
t0.b=t1.b AND
|
|
1047 |
(t2.a >= 4 OR t2.c IS NULL) AND
|
|
1048 |
(t3.a < 5 OR t3.c IS NULL) AND
|
|
1049 |
(t3.b=t4.b OR t3.c IS NULL OR t4.c IS NULL) AND
|
|
1050 |
(t5.a >=2 OR t5.c IS NULL) AND
|
|
1051 |
(t6.a >=4 OR t6.c IS NULL) AND
|
|
1052 |
(t7.a <= 2 OR t7.c IS NULL) AND
|
|
1053 |
(t8.a < 1 OR t8.c IS NULL) AND
|
|
1054 |
(t8.b=t9.b OR t8.c IS NULL) AND
|
|
1055 |
(t9.a=1);
|
|
1056 |
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
1057 |
1 SIMPLE t0 ref idx_a idx_a 5 const 1 100.00
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
1058 |
1 SIMPLE t1 ref idx_b idx_b 5 test.t0.b 1 100.00
|
|
1
by brian
clean slate |
1059 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
201
by Brian Aker
Convert default engine to Innodb |
1060 |
1 SIMPLE t4 ref idx_b idx_b 5 test.t2.b 1 100.00
|
|
1
by brian
clean slate |
1061 |
1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where
|
1062 |
1 SIMPLE t5 ALL idx_b NULL NULL NULL 3 100.00 Using where
|
|
1063 |
1 SIMPLE t7 ALL NULL NULL NULL NULL 2 100.00 Using where
|
|
1064 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
1065 |
1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 1 100.00 Using where
|
|
1
by brian
clean slate |
1066 |
1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer
|
1067 |
Warnings:
|
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
1068 |
Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t3`.`a` = 1))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t3`.`b` = `test`.`t4`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`)))
|
|
1
by brian
clean slate |
1069 |
SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b,
|
1070 |
t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b
|
|
1071 |
FROM t0,t1
|
|
1072 |
LEFT JOIN
|
|
1073 |
(
|
|
1074 |
t2
|
|
1075 |
LEFT JOIN
|
|
1076 |
(t3, t4)
|
|
1077 |
ON t3.a=1 AND t2.b=t4.b,
|
|
1078 |
t5
|
|
1079 |
LEFT JOIN
|
|
1080 |
(
|
|
1081 |
(t6, t7)
|
|
1082 |
LEFT JOIN
|
|
1083 |
t8
|
|
1084 |
ON t7.b=t8.b AND t6.b < 10
|
|
1085 |
)
|
|
1086 |
ON t6.b >= 2 AND t5.b=t7.b
|
|
1087 |
)
|
|
1088 |
ON (t3.b=2 OR t3.c IS NULL) AND (t6.b=2 OR t6.c IS NULL) AND
|
|
1089 |
(t1.b=t5.b OR t3.c IS NULL OR t6.c IS NULL or t8.c IS NULL) AND
|
|
1090 |
(t1.a != 2),
|
|
1091 |
t9
|
|
1092 |
WHERE t0.a=1 AND
|
|
1093 |
t0.b=t1.b AND
|
|
1094 |
(t2.a >= 4 OR t2.c IS NULL) AND
|
|
1095 |
(t3.a < 5 OR t3.c IS NULL) AND
|
|
1096 |
(t3.b=t4.b OR t3.c IS NULL OR t4.c IS NULL) AND
|
|
1097 |
(t5.a >=2 OR t5.c IS NULL) AND
|
|
1098 |
(t6.a >=4 OR t6.c IS NULL) AND
|
|
1099 |
(t7.a <= 2 OR t7.c IS NULL) AND
|
|
1100 |
(t8.a < 1 OR t8.c IS NULL) AND
|
|
1101 |
(t8.b=t9.b OR t8.c IS NULL) AND
|
|
1102 |
(t9.a=1);
|
|
1103 |
a b a b a b a b a b a b a b a b a b a b
|
|
1104 |
1 2 2 2 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL 1 1
|
|
1105 |
1 2 3 2 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL 1 1
|
|
1106 |
1 2 3 2 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL 1 1
|
|
1107 |
1 2 3 2 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL 1 1
|
|
1108 |
1 2 3 2 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL 1 1
|
|
1109 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL 1 1
|
|
1110 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL 1 1
|
|
1111 |
1 2 2 2 NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL NULL 1 2
|
|
1112 |
1 2 3 2 4 2 1 2 3 2 3 1 6 2 1 1 NULL NULL 1 2
|
|
1113 |
1 2 3 2 4 2 1 2 3 2 2 2 6 2 2 2 0 2 1 2
|
|
1114 |
1 2 3 2 4 2 1 2 3 2 3 3 NULL NULL NULL NULL NULL NULL 1 2
|
|
1115 |
1 2 3 2 4 2 1 2 4 2 3 1 6 2 1 1 NULL NULL 1 2
|
|
1116 |
1 2 3 2 4 2 1 2 4 2 2 2 6 2 2 2 0 2 1 2
|
|
1117 |
1 2 3 2 4 2 1 2 4 2 3 3 NULL NULL NULL NULL NULL NULL 1 2
|
|
1118 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 1 6 2 1 1 NULL NULL 1 2
|
|
1119 |
1 2 3 2 5 3 NULL NULL NULL NULL 2 2 6 2 2 2 0 2 1 2
|
|
1120 |
1 2 3 2 5 3 NULL NULL NULL NULL 3 3 NULL NULL NULL NULL NULL NULL 1 2
|
|
1121 |
SELECT t2.a,t2.b
|
|
1122 |
FROM t2;
|
|
1123 |
a b
|
|
1124 |
3 3
|
|
1125 |
4 2
|
|
1126 |
5 3
|
|
1127 |
SELECT t3.a,t3.b
|
|
1128 |
FROM t3;
|
|
1129 |
a b
|
|
1130 |
1 2
|
|
1131 |
2 2
|
|
1132 |
SELECT t2.a,t2.b,t3.a,t3.b
|
|
1133 |
FROM t2 LEFT JOIN t3 ON t2.b=t3.b
|
|
1134 |
WHERE t2.a = 4 OR (t2.a > 4 AND t3.a IS NULL);
|
|
1135 |
a b a b
|
|
1136 |
4 2 1 2
|
|
1137 |
4 2 2 2
|
|
1138 |
5 3 NULL NULL
|
|
1139 |
SELECT t2.a,t2.b,t3.a,t3.b
|
|
1140 |
FROM t2 LEFT JOIN (t3) ON t2.b=t3.b
|
|
1141 |
WHERE t2.a = 4 OR (t2.a > 4 AND t3.a IS NULL);
|
|
1142 |
a b a b
|
|
1143 |
4 2 1 2
|
|
1144 |
4 2 2 2
|
|
1145 |
5 3 NULL NULL
|
|
1146 |
ALTER TABLE t3
|
|
1147 |
CHANGE COLUMN a a1 int,
|
|
1148 |
CHANGE COLUMN c c1 int;
|
|
1149 |
SELECT t2.a,t2.b,t3.a1,t3.b
|
|
1150 |
FROM t2 LEFT JOIN t3 ON t2.b=t3.b
|
|
1151 |
WHERE t2.a = 4 OR (t2.a > 4 AND t3.a1 IS NULL);
|
|
1152 |
a b a1 b
|
|
1153 |
4 2 1 2
|
|
1154 |
4 2 2 2
|
|
1155 |
5 3 NULL NULL
|
|
1156 |
SELECT t2.a,t2.b,t3.a1,t3.b
|
|
1157 |
FROM t2 NATURAL LEFT JOIN t3
|
|
1158 |
WHERE t2.a = 4 OR (t2.a > 4 AND t3.a1 IS NULL);
|
|
1159 |
a b a1 b
|
|
1160 |
4 2 1 2
|
|
1161 |
4 2 2 2
|
|
1162 |
5 3 NULL NULL
|
|
1163 |
DROP TABLE t0,t1,t2,t3,t4,t5,t6,t7,t8,t9;
|
|
1164 |
CREATE TABLE t1 (a int);
|
|
1165 |
CREATE TABLE t2 (a int);
|
|
1166 |
CREATE TABLE t3 (a int);
|
|
1167 |
INSERT INTO t1 VALUES (1);
|
|
1168 |
INSERT INTO t2 VALUES (2);
|
|
1169 |
INSERT INTO t3 VALUES (2);
|
|
1170 |
INSERT INTO t1 VALUES (2);
|
|
1171 |
SELECT * FROM t1 LEFT JOIN (t2 LEFT JOIN t3 ON t2.a=t3.a) ON t1.a=t3.a;
|
|
1172 |
a a a
|
|
1173 |
1 NULL NULL
|
|
1174 |
2 2 2
|
|
1175 |
SELECT * FROM t1 LEFT JOIN t2 LEFT JOIN t3 ON t2.a=t3.a ON t1.a=t3.a;
|
|
1176 |
a a a
|
|
1177 |
1 NULL NULL
|
|
1178 |
2 2 2
|
|
1179 |
DELETE FROM t1 WHERE a=2;
|
|
1180 |
SELECT * FROM t1 LEFT JOIN t2 LEFT JOIN t3 ON t2.a=t3.a ON t1.a=t3.a;
|
|
1181 |
a a a
|
|
1182 |
1 NULL NULL
|
|
1183 |
DELETE FROM t2;
|
|
1184 |
SELECT * FROM t1 LEFT JOIN t2 LEFT JOIN t3 ON t2.a=t3.a ON t1.a=t3.a;
|
|
1185 |
a a a
|
|
1186 |
1 NULL NULL
|
|
1187 |
DROP TABLE t1,t2,t3;
|
|
1188 |
CREATE TABLE t1(a int, key (a));
|
|
1189 |
CREATE TABLE t2(b int, key (b));
|
|
1190 |
CREATE TABLE t3(c int, key (c));
|
|
1191 |
INSERT INTO t1 VALUES (NULL), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
|
|
1192 |
(10), (11), (12), (13), (14), (15), (16), (17), (18), (19);
|
|
1193 |
INSERT INTO t2 VALUES (NULL), (0), (1), (2), (3), (4), (5), (6), (7), (8), (9),
|
|
1194 |
(10), (11), (12), (13), (14), (15), (16), (17), (18), (19);
|
|
1195 |
INSERT INTO t3 VALUES (0), (1), (2), (3), (4), (5);
|
|
1196 |
EXPLAIN SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON c < 3 and b = c;
|
|
1197 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
1198 |
1 SIMPLE t1 index NULL a 5 NULL 21 Using index
|
|
1199 |
1 SIMPLE t3 index c c 5 NULL 6 Using index
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
1200 |
1 SIMPLE t2 ref b b 5 test.t3.c 1 Using index
|
|
1
by brian
clean slate |
1201 |
EXPLAIN SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c;
|
1202 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
1203 |
1 SIMPLE t1 index NULL a 5 NULL 21 Using index
|
|
1204 |
1 SIMPLE t3 index c c 5 NULL 6 Using index
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
1205 |
1 SIMPLE t2 ref b b 5 test.t3.c 1 Using index
|
|
1
by brian
clean slate |
1206 |
SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c;
|
1207 |
a b c
|
|
1208 |
NULL 0 0
|
|
1209 |
NULL 1 1
|
|
1210 |
NULL 2 2
|
|
1211 |
0 0 0
|
|
1212 |
0 1 1
|
|
1213 |
0 2 2
|
|
1214 |
1 0 0
|
|
1215 |
1 1 1
|
|
1216 |
1 2 2
|
|
1217 |
2 0 0
|
|
1218 |
2 1 1
|
|
1219 |
2 2 2
|
|
1220 |
3 0 0
|
|
1221 |
3 1 1
|
|
1222 |
3 2 2
|
|
1223 |
4 0 0
|
|
1224 |
4 1 1
|
|
1225 |
4 2 2
|
|
1226 |
5 0 0
|
|
1227 |
5 1 1
|
|
1228 |
5 2 2
|
|
1229 |
6 0 0
|
|
1230 |
6 1 1
|
|
1231 |
6 2 2
|
|
1232 |
7 0 0
|
|
1233 |
7 1 1
|
|
1234 |
7 2 2
|
|
1235 |
8 0 0
|
|
1236 |
8 1 1
|
|
1237 |
8 2 2
|
|
1238 |
9 0 0
|
|
1239 |
9 1 1
|
|
1240 |
9 2 2
|
|
1241 |
10 0 0
|
|
1242 |
10 1 1
|
|
1243 |
10 2 2
|
|
1244 |
11 0 0
|
|
1245 |
11 1 1
|
|
1246 |
11 2 2
|
|
1247 |
12 0 0
|
|
1248 |
12 1 1
|
|
1249 |
12 2 2
|
|
1250 |
13 0 0
|
|
1251 |
13 1 1
|
|
1252 |
13 2 2
|
|
1253 |
14 0 0
|
|
1254 |
14 1 1
|
|
1255 |
14 2 2
|
|
1256 |
15 0 0
|
|
1257 |
15 1 1
|
|
1258 |
15 2 2
|
|
1259 |
16 0 0
|
|
1260 |
16 1 1
|
|
1261 |
16 2 2
|
|
1262 |
17 0 0
|
|
1263 |
17 1 1
|
|
1264 |
17 2 2
|
|
1265 |
18 0 0
|
|
1266 |
18 1 1
|
|
1267 |
18 2 2
|
|
1268 |
19 0 0
|
|
1269 |
19 1 1
|
|
1270 |
19 2 2
|
|
1271 |
DELETE FROM t3;
|
|
1272 |
EXPLAIN SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c;
|
|
1273 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
1274 |
1 SIMPLE t1 index NULL a 5 NULL 21 Using index
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
1275 |
1 SIMPLE t3 index c c 5 NULL 1 Using index
|
1276 |
1 SIMPLE t2 ref b b 5 test.t3.c 1 Using index
|
|
|
1
by brian
clean slate |
1277 |
SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c;
|
1278 |
a b c
|
|
1279 |
NULL NULL NULL
|
|
1280 |
0 NULL NULL
|
|
1281 |
1 NULL NULL
|
|
1282 |
2 NULL NULL
|
|
1283 |
3 NULL NULL
|
|
1284 |
4 NULL NULL
|
|
1285 |
5 NULL NULL
|
|
1286 |
6 NULL NULL
|
|
1287 |
7 NULL NULL
|
|
1288 |
8 NULL NULL
|
|
1289 |
9 NULL NULL
|
|
1290 |
10 NULL NULL
|
|
1291 |
11 NULL NULL
|
|
1292 |
12 NULL NULL
|
|
1293 |
13 NULL NULL
|
|
1294 |
14 NULL NULL
|
|
1295 |
15 NULL NULL
|
|
1296 |
16 NULL NULL
|
|
1297 |
17 NULL NULL
|
|
1298 |
18 NULL NULL
|
|
1299 |
19 NULL NULL
|
|
1300 |
DROP TABLE t1,t2,t3;
|
|
1301 |
CREATE TABLE t1 (c11 int);
|
|
1302 |
CREATE TABLE t2 (c21 int);
|
|
1303 |
CREATE TABLE t3 (c31 int);
|
|
1304 |
INSERT INTO t1 VALUES (4), (5);
|
|
1305 |
SELECT * FROM t1 LEFT JOIN t2 ON c11=c21;
|
|
1306 |
c11 c21
|
|
1307 |
4 NULL
|
|
1308 |
5 NULL
|
|
1309 |
EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON c11=c21;
|
|
1310 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
1311 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
1312 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 1
|
|
1
by brian
clean slate |
1313 |
SELECT * FROM t1 LEFT JOIN (t2 LEFT JOIN t3 ON c21=c31) ON c11=c21;
|
1314 |
c11 c21 c31
|
|
1315 |
4 NULL NULL
|
|
1316 |
5 NULL NULL
|
|
1317 |
EXPLAIN SELECT * FROM t1 LEFT JOIN (t2 LEFT JOIN t3 ON c21=c31) ON c11=c21;
|
|
1318 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
1319 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 2
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
1320 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 1
|
1321 |
1 SIMPLE t3 ALL NULL NULL NULL NULL 1
|
|
|
1
by brian
clean slate |
1322 |
DROP TABLE t1,t2,t3;
|
1323 |
create table t1 (a int);
|
|
1324 |
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
1325 |
create table t2 (a int, filler char(100), key(a));
|
|
1326 |
insert into t2 select A.a + 10*B.a, '' from t1 A, t1 B;
|
|
1327 |
create table t3 like t2;
|
|
1328 |
insert into t3 select * from t2;
|
|
1329 |
explain select * from t1 left join
|
|
1330 |
(t2 left join t3 on (t2.a = t3.a))
|
|
1331 |
on (t1.a = t2.a);
|
|
1332 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
1333 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 10
|
|
1334 |
1 SIMPLE t2 ref a a 5 test.t1.a 1
|
|
1335 |
1 SIMPLE t3 ref a a 5 test.t2.a 1
|
|
1336 |
drop table t1, t2, t3;
|
|
1337 |
CREATE TABLE t1 (
|
|
1338 |
id int NOT NULL PRIMARY KEY,
|
|
1339 |
ct int DEFAULT NULL,
|
|
1340 |
pc int DEFAULT NULL,
|
|
1341 |
INDEX idx_ct (ct),
|
|
1342 |
INDEX idx_pc (pc)
|
|
1343 |
);
|
|
1344 |
INSERT INTO t1 VALUES
|
|
1345 |
(1,NULL,NULL),(2,NULL,NULL),(3,NULL,NULL),(4,NULL,NULL),(5,NULL,NULL);
|
|
1346 |
CREATE TABLE t2 (
|
|
1347 |
id int NOT NULL PRIMARY KEY,
|
|
1348 |
sr int NOT NULL,
|
|
1349 |
nm varchar(255) NOT NULL,
|
|
1350 |
INDEX idx_sr (sr)
|
|
1351 |
);
|
|
1352 |
INSERT INTO t2 VALUES
|
|
1353 |
(2441905,4308,'LesAbymes'),(2441906,4308,'Anse-Bertrand');
|
|
1354 |
CREATE TABLE t3 (
|
|
1355 |
id int NOT NULL PRIMARY KEY,
|
|
1356 |
ct int NOT NULL,
|
|
1357 |
ln int NOT NULL,
|
|
1358 |
INDEX idx_ct (ct),
|
|
1359 |
INDEX idx_ln (ln)
|
|
1360 |
);
|
|
1361 |
CREATE TABLE t4 (
|
|
1362 |
id int NOT NULL PRIMARY KEY,
|
|
1363 |
nm varchar(255) NOT NULL
|
|
1364 |
);
|
|
1365 |
INSERT INTO t4 VALUES (4308,'Guadeloupe'),(4309,'Martinique');
|
|
1366 |
SELECT t1.*
|
|
1367 |
FROM t1 LEFT JOIN
|
|
1368 |
(t2 LEFT JOIN t3 ON t3.ct=t2.id AND t3.ln='5') ON t1.ct=t2.id
|
|
1369 |
WHERE t1.id='5';
|
|
1370 |
id ct pc
|
|
1371 |
5 NULL NULL
|
|
1372 |
SELECT t1.*, t4.nm
|
|
1373 |
FROM t1 LEFT JOIN
|
|
1374 |
(t2 LEFT JOIN t3 ON t3.ct=t2.id AND t3.ln='5') ON t1.ct=t2.id
|
|
1375 |
LEFT JOIN t4 ON t2.sr=t4.id
|
|
1376 |
WHERE t1.id='5';
|
|
1377 |
id ct pc nm
|
|
1378 |
5 NULL NULL NULL
|
|
1379 |
DROP TABLE t1,t2,t3,t4;
|
|
1380 |
CREATE TABLE t1 (a INT, b INT);
|
|
1381 |
CREATE TABLE t2 (a INT);
|
|
1382 |
CREATE TABLE t3 (a INT, c INT);
|
|
1383 |
CREATE TABLE t4 (a INT, c INT);
|
|
1384 |
CREATE TABLE t5 (a INT, c INT);
|
|
1385 |
SELECT b FROM t1 JOIN (t2 LEFT JOIN t3 USING (a) LEFT JOIN t4 USING (a)
|
|
1386 |
LEFT JOIN t5 USING (a)) USING (a);
|
|
1387 |
b
|
|
1388 |
SELECT c FROM t1 JOIN (t2 LEFT JOIN t3 USING (a) LEFT JOIN t4 USING (a)
|
|
1389 |
LEFT JOIN t5 USING (a)) USING (a);
|
|
1390 |
ERROR 23000: Column 'c' in field list is ambiguous
|
|
1391 |
SELECT b FROM t1 JOIN (t2 JOIN t3 USING (a) JOIN t4 USING (a)
|
|
1392 |
JOIN t5 USING (a)) USING (a);
|
|
1393 |
b
|
|
1394 |
SELECT c FROM t1 JOIN (t2 JOIN t3 USING (a) JOIN t4 USING (a)
|
|
1395 |
JOIN t5 USING (a)) USING (a);
|
|
1396 |
ERROR 23000: Column 'c' in field list is ambiguous
|
|
1397 |
DROP TABLE t1,t2,t3,t4,t5;
|
|
1398 |
CREATE TABLE t1 (a INT, b INT);
|
|
1399 |
CREATE TABLE t2 (a INT, b INT);
|
|
1400 |
CREATE TABLE t3 (a INT, b INT);
|
|
1401 |
INSERT INTO t1 VALUES (1,1);
|
|
1402 |
INSERT INTO t2 VALUES (1,1);
|
|
1403 |
INSERT INTO t3 VALUES (1,1);
|
|
1404 |
SELECT * FROM t1 JOIN (t2 JOIN t3 USING (b)) USING (a);
|
|
1405 |
ERROR 23000: Column 'a' in from clause is ambiguous
|
|
1406 |
DROP TABLE t1,t2,t3;
|
|
1407 |
CREATE TABLE t1 (
|
|
1408 |
carrier char(2) default NULL,
|
|
1409 |
id int NOT NULL auto_increment PRIMARY KEY
|
|
1410 |
);
|
|
1411 |
INSERT INTO t1 VALUES
|
|
1412 |
('CO',235371754),('CO',235376554),('CO',235376884),('CO',235377874),
|
|
1413 |
('CO',231060394),('CO',231059224),('CO',231059314),('CO',231060484),
|
|
1414 |
('CO',231060274),('CO',231060124),('CO',231060244),('CO',231058594),
|
|
1415 |
('CO',231058924),('CO',231058504),('CO',231059344),('CO',231060424),
|
|
1416 |
('CO',231059554),('CO',231060304),('CO',231059644),('CO',231059464),
|
|
1417 |
('CO',231059764),('CO',231058294),('CO',231058624),('CO',231058864),
|
|
1418 |
('CO',231059374),('CO',231059584),('CO',231059734),('CO',231059014),
|
|
1419 |
('CO',231059854),('CO',231059494),('CO',231059794),('CO',231058534),
|
|
1420 |
('CO',231058324),('CO',231058684),('CO',231059524),('CO',231059974);
|
|
1421 |
CREATE TABLE t2 (
|
|
1422 |
scan_date date default NULL,
|
|
1423 |
package_id int default NULL,
|
|
1424 |
INDEX scan_date(scan_date),
|
|
1425 |
INDEX package_id(package_id)
|
|
1426 |
);
|
|
1427 |
INSERT INTO t2 VALUES
|
|
1428 |
('2008-12-29',231062944),('2008-12-29',231065764),('2008-12-29',231066124),
|
|
1429 |
('2008-12-29',231060094),('2008-12-29',231061054),('2008-12-29',231065644),
|
|
1430 |
('2008-12-29',231064384),('2008-12-29',231064444),('2008-12-29',231073774),
|
|
1431 |
('2008-12-29',231058594),('2008-12-29',231059374),('2008-12-29',231066004),
|
|
1432 |
('2008-12-29',231068494),('2008-12-29',231070174),('2008-12-29',231071884),
|
|
1433 |
('2008-12-29',231063274),('2008-12-29',231063754),('2008-12-29',231064144),
|
|
1434 |
('2008-12-29',231069424),('2008-12-29',231073714),('2008-12-29',231058414),
|
|
1435 |
('2008-12-29',231060994),('2008-12-29',231069154),('2008-12-29',231068614),
|
|
1436 |
('2008-12-29',231071464),('2008-12-29',231074014),('2008-12-29',231059614),
|
|
1437 |
('2008-12-29',231059074),('2008-12-29',231059464),('2008-12-29',231069094),
|
|
1438 |
('2008-12-29',231067294),('2008-12-29',231070144),('2008-12-29',231073804),
|
|
1439 |
('2008-12-29',231072634),('2008-12-29',231058294),('2008-12-29',231065344),
|
|
1440 |
('2008-12-29',231066094),('2008-12-29',231069034),('2008-12-29',231058594),
|
|
1441 |
('2008-12-29',231059854),('2008-12-29',231059884),('2008-12-29',231059914),
|
|
1442 |
('2008-12-29',231063664),('2008-12-29',231063814),('2008-12-29',231063904);
|
|
1443 |
CREATE TABLE t3 (
|
|
1444 |
package_id int default NULL,
|
|
1445 |
INDEX package_id(package_id)
|
|
1446 |
);
|
|
1447 |
INSERT INTO t3 VALUES
|
|
1448 |
(231058294),(231058324),(231058354),(231058384),(231058414),(231058444),
|
|
1449 |
(231058474),(231058504),(231058534),(231058564),(231058594),(231058624),
|
|
1450 |
(231058684),(231058744),(231058804),(231058864),(231058924),(231058954),
|
|
1451 |
(231059014),(231059074),(231059104),(231059134),(231059164),(231059194),
|
|
1452 |
(231059224),(231059254),(231059284),(231059314),(231059344),(231059374),
|
|
1453 |
(231059404),(231059434),(231059464),(231059494),(231059524),(231059554),
|
|
1454 |
(231059584),(231059614),(231059644),(231059674),(231059704),(231059734),
|
|
1455 |
(231059764),(231059794),(231059824),(231059854),(231059884),(231059914),
|
|
1456 |
(231059944),(231059974),(231060004),(231060034),(231060064),(231060094),
|
|
1457 |
(231060124),(231060154),(231060184),(231060214),(231060244),(231060274),
|
|
1458 |
(231060304),(231060334),(231060364),(231060394),(231060424),(231060454),
|
|
1459 |
(231060484),(231060514),(231060544),(231060574),(231060604),(231060634),
|
|
1460 |
(231060664),(231060694),(231060724),(231060754),(231060784),(231060814),
|
|
1461 |
(231060844),(231060874),(231060904),(231060934),(231060964),(231060994),
|
|
1462 |
(231061024),(231061054),(231061084),(231061144),(231061174),(231061204),
|
|
1463 |
(231061234),(231061294),(231061354),(231061384),(231061414),(231061474),
|
|
1464 |
(231061564),(231061594),(231061624),(231061684),(231061714),(231061774),
|
|
1465 |
(231061804),(231061894),(231061984),(231062074),(231062134),(231062224),
|
|
1466 |
(231062254),(231062314),(231062374),(231062434),(231062494),(231062554),
|
|
1467 |
(231062584),(231062614),(231062644),(231062704),(231062734),(231062794),
|
|
1468 |
(231062854),(231062884),(231062944),(231063004),(231063034),(231063064),
|
|
1469 |
(231063124),(231063154),(231063184),(231063214),(231063274),(231063334),
|
|
1470 |
(231063394),(231063424),(231063454),(231063514),(231063574),(231063664);
|
|
1471 |
CREATE TABLE t4 (
|
|
1472 |
carrier char(2) NOT NULL default '' PRIMARY KEY,
|
|
|
223
by Brian Aker
Cleanup int() work. |
1473 |
id int default NULL,
|
|
1
by brian
clean slate |
1474 |
INDEX id(id)
|
1475 |
);
|
|
1476 |
INSERT INTO t4 VALUES
|
|
1477 |
('99',6),('SK',456),('UA',486),('AI',1081),('OS',1111),('VS',1510);
|
|
1478 |
CREATE TABLE t5 (
|
|
1479 |
carrier_id int default NULL,
|
|
1480 |
INDEX carrier_id(carrier_id)
|
|
1481 |
);
|
|
1482 |
INSERT INTO t5 VALUES
|
|
1483 |
(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
|
|
1484 |
(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
|
|
1485 |
(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
|
|
1486 |
(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
|
|
1487 |
(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),
|
|
1488 |
(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(6),(456),(456),(456),
|
|
1489 |
(456),(456),(456),(456),(456),(456),(456),(456),(456),(456),(456),(456),
|
|
1490 |
(456),(486),(1081),(1111),(1111),(1111),(1111),(1510);
|
|
1491 |
SELECT COUNT(*)
|
|
1492 |
FROM((t2 JOIN t1 ON t2.package_id = t1.id)
|
|
1493 |
JOIN t3 ON t3.package_id = t1.id);
|
|
1494 |
COUNT(*)
|
|
1495 |
6
|
|
1496 |
EXPLAIN
|
|
1497 |
SELECT COUNT(*)
|
|
1498 |
FROM ((t2 JOIN t1 ON t2.package_id = t1.id)
|
|
1499 |
JOIN t3 ON t3.package_id = t1.id)
|
|
1500 |
LEFT JOIN
|
|
1501 |
(t5 JOIN t4 ON t5.carrier_id = t4.id)
|
|
1502 |
ON t4.carrier = t1.carrier;
|
|
1503 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
|
201
by Brian Aker
Convert default engine to Innodb |
1504 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 36
|
|
383.1.16
by Brian Aker
Force client communication into UTF8 |
1505 |
1 SIMPLE t4 eq_ref PRIMARY,id PRIMARY 10 test.t1.carrier 1
|
|
201
by Brian Aker
Convert default engine to Innodb |
1506 |
1 SIMPLE t5 ref carrier_id carrier_id 5 test.t4.id 1 Using index
|
1507 |
1 SIMPLE t2 ref package_id package_id 5 test.t1.id 1 Using index
|
|
1508 |
1 SIMPLE t3 ref package_id package_id 5 test.t1.id 1 Using index
|
|
|
1
by brian
clean slate |
1509 |
SELECT COUNT(*)
|
1510 |
FROM ((t2 JOIN t1 ON t2.package_id = t1.id)
|
|
1511 |
JOIN t3 ON t3.package_id = t1.id)
|
|
1512 |
LEFT JOIN
|
|
1513 |
(t5 JOIN t4 ON t5.carrier_id = t4.id)
|
|
1514 |
ON t4.carrier = t1.carrier;
|
|
1515 |
COUNT(*)
|
|
1516 |
6
|
|
1517 |
DROP TABLE t1,t2,t3,t4,t5;
|
|
1518 |
End of 5.0 tests
|