|
1
by brian
clean slate |
1 |
drop table if exists t0, t1, t2, t3, t4; |
2 |
create table t1 (oref int, grp int, ie int) ; |
|
3 |
insert into t1 (oref, grp, ie) values |
|
4 |
(1, 1, 1), |
|
5 |
(1, 1, 1), |
|
6 |
(1, 2, NULL), |
|
7 |
(2, 1, 3), |
|
8 |
(3, 1, 4), |
|
9 |
(3, 2, NULL); |
|
10 |
create table t2 (oref int, a int); |
|
11 |
insert into t2 values |
|
12 |
(1, 1), |
|
13 |
(2, 2), |
|
14 |
(3, 3), |
|
15 |
(4, NULL), |
|
16 |
(2, NULL); |
|
17 |
select a, oref, a in (select max(ie) |
|
18 |
from t1 where oref=t2.oref group by grp) Z from t2; |
|
19 |
a oref Z |
|
20 |
1 1 1 |
|
21 |
2 2 0 |
|
22 |
3 3 NULL |
|
23 |
NULL 4 0 |
|
24 |
NULL 2 NULL |
|
25 |
explain extended |
|
26 |
select a, oref, a in (select max(ie) |
|
27 |
from t1 where oref=t2.oref group by grp) Z from t2; |
|
28 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
29 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 5 100.00 |
|
30 |
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary; Using filesort |
|
31 |
Warnings: |
|
32 |
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
33 |
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) AS `max(ie)` from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `Z` from `test`.`t2` |
|
1
by brian
clean slate |
34 |
explain extended |
35 |
select a, oref from t2 |
|
36 |
where a in (select max(ie) from t1 where oref=t2.oref group by grp); |
|
37 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
38 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 5 100.00 Using where |
|
39 |
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary; Using filesort |
|
40 |
Warnings: |
|
41 |
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
42 |
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) AS `max(ie)` from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having (<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`))))) |
|
1
by brian
clean slate |
43 |
select a, oref, a in ( |
44 |
select max(ie) from t1 where oref=t2.oref group by grp union |
|
45 |
select max(ie) from t1 where oref=t2.oref group by grp |
|
46 |
) Z from t2; |
|
47 |
a oref Z |
|
48 |
1 1 1 |
|
49 |
2 2 0 |
|
50 |
3 3 NULL |
|
51 |
NULL 4 0 |
|
52 |
NULL 2 NULL |
|
53 |
create table t3 (a int); |
|
54 |
insert into t3 values (NULL), (NULL); |
|
55 |
flush status; |
|
56 |
select a in (select max(ie) from t1 where oref=4 group by grp) from t3; |
|
57 |
a in (select max(ie) from t1 where oref=4 group by grp) |
|
58 |
0
|
|
59 |
0
|
|
60 |
show status like 'Handler_read_rnd_next'; |
|
61 |
Variable_name Value |
|
62 |
Handler_read_rnd_next 11 |
|
63 |
select ' ^ This must show 11' Z; |
|
64 |
Z
|
|
65 |
^ This must show 11 |
|
66 |
explain extended select a in (select max(ie) from t1 where oref=4 group by grp) from t3; |
|
67 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
68 |
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00 |
|
69 |
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary; Using filesort |
|
70 |
Warnings: |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
71 |
Note 1003 select <in_optimizer>(`test`.`t3`.`a`,<exists>(select max(`test`.`t1`.`ie`) AS `max(ie)` from `test`.`t1` where (`test`.`t1`.`oref` = 4) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3` |
|
1
by brian
clean slate |
72 |
drop table t1, t2, t3; |
73 |
create table t1 (a int, oref int, key(a)); |
|
74 |
insert into t1 values |
|
75 |
(1, 1), |
|
76 |
(1, NULL), |
|
77 |
(2, 3), |
|
78 |
(2, NULL), |
|
79 |
(3, NULL); |
|
80 |
create table t2 (a int, oref int); |
|
81 |
insert into t2 values (1, 1), (2,2), (NULL, 3), (NULL, 4); |
|
82 |
select oref, a, a in (select a from t1 where oref=t2.oref) Z from t2; |
|
83 |
oref a Z |
|
84 |
1 1 1 |
|
85 |
2 2 0 |
|
86 |
3 NULL NULL |
|
87 |
4 NULL 0 |
|
88 |
explain extended |
|
89 |
select oref, a, a in (select a from t1 where oref=t2.oref) Z from t2; |
|
90 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
91 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 4 100.00 |
|
|
201
by Brian Aker
Convert default engine to Innodb |
92 |
2 DEPENDENT SUBQUERY t1 ALL a NULL NULL NULL 5 80.00 Using where |
|
1
by brian
clean slate |
93 |
Warnings: |
94 |
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
95 |
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)))) having trigcond(<is_not_null_test>(`test`.`t1`.`a`)))) AS `Z` from `test`.`t2` |
|
1
by brian
clean slate |
96 |
flush status; |
97 |
select oref, a from t2 where a in (select a from t1 where oref=t2.oref); |
|
98 |
oref a |
|
99 |
1 1 |
|
100 |
show status like '%Handler_read_rnd_next'; |
|
101 |
Variable_name Value |
|
102 |
Handler_read_rnd_next 11 |
|
103 |
delete from t2; |
|
104 |
insert into t2 values (NULL, 0),(NULL, 0), (NULL, 0), (NULL, 0); |
|
105 |
flush status; |
|
106 |
select oref, a, a in (select a from t1 where oref=t2.oref) Z from t2; |
|
107 |
oref a Z |
|
108 |
0 NULL 0 |
|
109 |
0 NULL 0 |
|
110 |
0 NULL 0 |
|
111 |
0 NULL 0 |
|
112 |
show status like '%Handler_read%'; |
|
113 |
Variable_name Value |
|
|
201
by Brian Aker
Convert default engine to Innodb |
114 |
Handler_read_first 5 |
115 |
Handler_read_key 10 |
|
|
1
by brian
clean slate |
116 |
Handler_read_next 0 |
117 |
Handler_read_prev 0 |
|
118 |
Handler_read_rnd 0 |
|
119 |
Handler_read_rnd_next 29 |
|
120 |
select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z; |
|
121 |
Z
|
|
122 |
No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1. |
|
123 |
drop table t1, t2; |
|
124 |
create table t1 (a int, b int, primary key (a)); |
|
125 |
insert into t1 values (1,1), (3,1),(100,1); |
|
126 |
create table t2 (a int, b int); |
|
127 |
insert into t2 values (1,1),(2,1),(NULL,1),(NULL,0); |
|
128 |
select a,b, a in (select a from t1 where t1.b = t2.b) Z from t2 ; |
|
129 |
a b Z |
|
130 |
1 1 1 |
|
131 |
2 1 0 |
|
132 |
NULL 1 NULL |
|
133 |
NULL 0 0 |
|
134 |
drop table t1, t2; |
|
135 |
create table t1 (a int, b int, key(a)); |
|
136 |
insert into t1 values |
|
137 |
(0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); |
|
138 |
create table t2 like t1; |
|
139 |
insert into t2 select * from t1; |
|
140 |
update t2 set b=1; |
|
141 |
create table t3 (a int, oref int); |
|
142 |
insert into t3 values (1, 1), (NULL,1), (NULL,0); |
|
143 |
select a, oref, |
|
144 |
t3.a in (select t1.a from t1, t2 where t1.b=t2.a and t2.b=t3.oref) Z |
|
145 |
from t3; |
|
146 |
a oref Z |
|
147 |
1 1 1 |
|
148 |
NULL 1 NULL |
|
149 |
NULL 0 0 |
|
150 |
explain extended |
|
151 |
select a, oref, |
|
152 |
t3.a in (select t1.a from t1, t2 where t1.b=t2.a and t2.b=t3.oref) Z |
|
153 |
from t3; |
|
154 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
155 |
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 |
|
|
201
by Brian Aker
Convert default engine to Innodb |
156 |
2 DEPENDENT SUBQUERY t1 ref_or_null a a 5 func 2 100.00 Using where; Full scan on NULL key |
|
1
by brian
clean slate |
157 |
2 DEPENDENT SUBQUERY t2 ref a a 5 test.t1.b 1 100.00 Using where |
158 |
Warnings: |
|
159 |
Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1 |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
160 |
Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond(((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)))) having trigcond(<is_not_null_test>(`test`.`t1`.`a`)))) AS `Z` from `test`.`t3` |
|
1
by brian
clean slate |
161 |
drop table t1, t2, t3; |
162 |
create table t1 (a int NOT NULL, b int NOT NULL, key(a)); |
|
163 |
insert into t1 values |
|
164 |
(0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); |
|
165 |
create table t2 like t1; |
|
166 |
insert into t2 select * from t1; |
|
167 |
update t2 set b=1; |
|
168 |
create table t3 (a int, oref int); |
|
169 |
insert into t3 values (1, 1), (NULL,1), (NULL,0); |
|
170 |
select a, oref, |
|
171 |
t3.a in (select t1.a from t1, t2 where t1.b=t2.a and t2.b=t3.oref) Z |
|
172 |
from t3; |
|
173 |
a oref Z |
|
174 |
1 1 1 |
|
175 |
NULL 1 NULL |
|
176 |
NULL 0 0 |
|
177 |
This must show a trig_cond: |
|
178 |
explain extended |
|
179 |
select a, oref, |
|
180 |
t3.a in (select t1.a from t1, t2 where t1.b=t2.a and t2.b=t3.oref) Z |
|
181 |
from t3; |
|
182 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
183 |
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 |
|
|
201
by Brian Aker
Convert default engine to Innodb |
184 |
2 DEPENDENT SUBQUERY t1 ref a a 4 func 1 100.00 Using where; Full scan on NULL key |
|
1
by brian
clean slate |
185 |
2 DEPENDENT SUBQUERY t2 ref a a 4 test.t1.b 1 100.00 Using where |
186 |
Warnings: |
|
187 |
Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1 |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
188 |
Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`))))) AS `Z` from `test`.`t3` |
|
1
by brian
clean slate |
189 |
drop table t1,t2,t3; |
190 |
create table t1 (oref int, grp int); |
|
191 |
insert into t1 (oref, grp) values |
|
192 |
(1, 1), |
|
193 |
(1, 1); |
|
194 |
create table t2 (oref int, a int); |
|
195 |
insert into t2 values |
|
196 |
(1, NULL), |
|
197 |
(2, NULL); |
|
198 |
select a, oref, |
|
199 |
a in (select count(*) from t1 group by grp having grp=t2.oref) Z from t2; |
|
200 |
a oref Z |
|
201 |
NULL 1 NULL |
|
202 |
NULL 2 0 |
|
203 |
This must show a trig_cond: |
|
204 |
explain extended |
|
205 |
select a, oref, |
|
206 |
a in (select count(*) from t1 group by grp having grp=t2.oref) Z from t2; |
|
207 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
208 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 |
|
209 |
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort |
|
210 |
Warnings: |
|
211 |
Note 1276 Field or reference 't2.oref' of SELECT #2 was resolved in SELECT #1 |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
212 |
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`grp` having ((`test`.`t1`.`grp` = `test`.`t2`.`oref`) and trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0))))))) AS `Z` from `test`.`t2` |
|
1
by brian
clean slate |
213 |
drop table t1, t2; |
214 |
create table t1 (a int, b int, primary key (a)); |
|
215 |
insert into t1 values (1,1), (3,1),(100,1); |
|
216 |
create table t2 (a int, b int); |
|
217 |
insert into t2 values (1,1),(2,1),(NULL,1),(NULL,0); |
|
218 |
select a,b, a in (select a from t1 where t1.b = t2.b union select a from |
|
219 |
t1 where t1.b = t2.b) Z from t2 ; |
|
220 |
a b Z |
|
221 |
1 1 1 |
|
222 |
2 1 0 |
|
223 |
NULL 1 NULL |
|
224 |
NULL 0 0 |
|
225 |
select a,b, a in (select a from t1 where t1.b = t2.b) Z from t2 ; |
|
226 |
a b Z |
|
227 |
1 1 1 |
|
228 |
2 1 0 |
|
229 |
NULL 1 NULL |
|
230 |
NULL 0 0 |
|
231 |
drop table t1, t2; |
|
232 |
create table t3 (a int); |
|
233 |
insert into t3 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); |
|
234 |
create table t2 (a int, b int, oref int); |
|
235 |
insert into t2 values (NULL,1, 100), (NULL,2, 100); |
|
236 |
create table t1 (a int, b int, c int, key(a,b)); |
|
237 |
insert into t1 select 2*A, 2*A, 100 from t3; |
|
238 |
explain extended select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2; |
|
239 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
240 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 |
|
241 |
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key |
|
242 |
Warnings: |
|
243 |
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
244 |
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`)))))) AS `Z` from `test`.`t2` |
|
1
by brian
clean slate |
245 |
select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2; |
246 |
a b oref Z |
|
247 |
NULL 1 100 0 |
|
248 |
NULL 2 100 NULL |
|
249 |
create table t4 (x int); |
|
250 |
insert into t4 select A.a + 10*B.a from t1 A, t1 B; |
|
251 |
explain extended |
|
252 |
select a,b, oref, |
|
253 |
(a,b) in (select a,b from t1,t4 where c=t2.oref) Z |
|
254 |
from t2; |
|
255 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
256 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 |
|
|
201
by Brian Aker
Convert default engine to Innodb |
257 |
2 DEPENDENT SUBQUERY t1 ALL a NULL NULL NULL 10 80.00 Using where |
|
1
by brian
clean slate |
258 |
2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 100 100.00 Using where; Using join buffer |
259 |
Warnings: |
|
260 |
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
261 |
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))) AS `Z` from `test`.`t2` |
|
1
by brian
clean slate |
262 |
select a,b, oref, |
263 |
(a,b) in (select a,b from t1,t4 where c=t2.oref) Z |
|
264 |
from t2; |
|
265 |
a b oref Z |
|
266 |
NULL 1 100 0 |
|
267 |
NULL 2 100 NULL |
|
268 |
drop table t1,t2,t3,t4; |
|
269 |
create table t1 (oref char(4), grp int, ie1 int, ie2 int); |
|
270 |
insert into t1 (oref, grp, ie1, ie2) values |
|
271 |
('aa', 10, 2, 1), |
|
272 |
('aa', 10, 1, 1), |
|
273 |
('aa', 20, 2, 1), |
|
274 |
('bb', 10, 3, 1), |
|
275 |
('cc', 10, 4, 2), |
|
276 |
('cc', 20, 3, 2), |
|
277 |
('ee', 10, 2, 1), |
|
278 |
('ee', 10, 1, 2), |
|
279 |
('ff', 20, 2, 2), |
|
280 |
('ff', 20, 1, 2); |
|
281 |
create table t2 (oref char(4), a int, b int); |
|
282 |
insert into t2 values |
|
283 |
('ee', NULL, 1), |
|
284 |
('bb', 2, 1), |
|
285 |
('ff', 2, 2), |
|
286 |
('cc', 3, NULL), |
|
287 |
('bb', NULL, NULL), |
|
288 |
('aa', 1, 1), |
|
289 |
('dd', 1, NULL); |
|
290 |
alter table t1 add index idx(ie1,ie2); |
|
291 |
select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2 where a=3 and b is null ; |
|
292 |
oref a b Z |
|
293 |
cc 3 NULL NULL |
|
294 |
insert into t2 values ('new1', 10,10); |
|
295 |
insert into t1 values ('new1', 1234, 10, NULL); |
|
296 |
select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2 where a=10 and b=10; |
|
297 |
oref a b Z |
|
298 |
new1 10 10 NULL |
|
299 |
explain extended |
|
300 |
select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2 where a=10 and b=10; |
|
301 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
302 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 8 100.00 Using where |
|
|
201
by Brian Aker
Convert default engine to Innodb |
303 |
2 DEPENDENT SUBQUERY t1 ALL idx NULL NULL NULL 11 81.82 Using where |
|
1
by brian
clean slate |
304 |
Warnings: |
305 |
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
306 |
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`ie1` AS `ie1`,`test`.`t1`.`ie2` AS `ie2` from `test`.`t1` where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`b` = 10) and (`test`.`t2`.`a` = 10)) |
|
1
by brian
clean slate |
307 |
drop table t1, t2; |
308 |
create table t1 (oref char(4), grp int, ie int); |
|
309 |
insert into t1 (oref, grp, ie) values |
|
310 |
('aa', 10, 2), |
|
311 |
('aa', 10, 1), |
|
312 |
('aa', 20, NULL), |
|
313 |
('bb', 10, 3), |
|
314 |
('cc', 10, 4), |
|
315 |
('cc', 20, NULL), |
|
316 |
('ee', 10, NULL), |
|
317 |
('ee', 10, NULL), |
|
318 |
('ff', 20, 2), |
|
319 |
('ff', 20, 1); |
|
320 |
create table t2 (oref char(4), a int); |
|
321 |
insert into t2 values |
|
322 |
('ee', NULL), |
|
323 |
('bb', 2), |
|
324 |
('ff', 2), |
|
325 |
('cc', 3), |
|
326 |
('aa', 1), |
|
327 |
('dd', NULL), |
|
328 |
('bb', NULL); |
|
329 |
select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2; |
|
330 |
oref a Z |
|
331 |
ee NULL NULL |
|
332 |
bb 2 0 |
|
333 |
ff 2 1 |
|
334 |
cc 3 NULL |
|
335 |
aa 1 1 |
|
336 |
dd NULL 0 |
|
337 |
bb NULL NULL |
|
338 |
select oref, a from t2 where a in (select ie from t1 where oref=t2.oref); |
|
339 |
oref a |
|
340 |
aa 1 |
|
341 |
ff 2 |
|
342 |
select oref, a from t2 where a not in (select ie from t1 where oref=t2.oref); |
|
343 |
oref a |
|
344 |
bb 2 |
|
345 |
dd NULL |
|
346 |
select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by grp) Z from t2; |
|
347 |
oref a Z |
|
348 |
ee NULL NULL |
|
349 |
bb 2 0 |
|
350 |
ff 2 0 |
|
351 |
cc 3 NULL |
|
352 |
aa 1 1 |
|
353 |
dd NULL 0 |
|
354 |
bb NULL NULL |
|
355 |
select oref, a from t2 where |
|
356 |
a in (select min(ie) from t1 where oref=t2.oref group by grp); |
|
357 |
oref a |
|
358 |
aa 1 |
|
359 |
select oref, a from t2 where |
|
360 |
a not in (select min(ie) from t1 where oref=t2.oref group by grp); |
|
361 |
oref a |
|
362 |
bb 2 |
|
363 |
ff 2 |
|
364 |
dd NULL |
|
365 |
update t1 set ie=3 where oref='ff' and ie=1; |
|
366 |
select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by |
|
367 |
grp) Z from t2; |
|
368 |
oref a Z |
|
369 |
ee NULL NULL |
|
370 |
bb 2 0 |
|
371 |
ff 2 1 |
|
372 |
cc 3 NULL |
|
373 |
aa 1 1 |
|
374 |
dd NULL 0 |
|
375 |
bb NULL NULL |
|
376 |
select oref, a from t2 where a in (select min(ie) from t1 where |
|
377 |
oref=t2.oref group by grp); |
|
378 |
oref a |
|
379 |
ff 2 |
|
380 |
aa 1 |
|
381 |
select oref, a from t2 where a not in (select min(ie) from t1 where |
|
382 |
oref=t2.oref group by grp); |
|
383 |
oref a |
|
384 |
bb 2 |
|
385 |
dd NULL |
|
386 |
select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by |
|
387 |
grp having min(ie) > 1) Z from t2; |
|
388 |
oref a Z |
|
389 |
ee NULL 0 |
|
390 |
bb 2 0 |
|
391 |
ff 2 1 |
|
392 |
cc 3 0 |
|
393 |
aa 1 0 |
|
394 |
dd NULL 0 |
|
395 |
bb NULL NULL |
|
396 |
select oref, a from t2 where a in (select min(ie) from t1 where |
|
397 |
oref=t2.oref group by grp having min(ie) > 1); |
|
398 |
oref a |
|
399 |
ff 2 |
|
400 |
select oref, a from t2 where a not in (select min(ie) from t1 where |
|
401 |
oref=t2.oref group by grp having min(ie) > 1); |
|
402 |
oref a |
|
403 |
ee NULL |
|
404 |
bb 2 |
|
405 |
cc 3 |
|
406 |
aa 1 |
|
407 |
dd NULL |
|
408 |
alter table t1 add index idx(ie); |
|
409 |
explain select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2; |
|
410 |
id select_type table type possible_keys key key_len ref rows Extra |
|
411 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 7 |
|
|
201
by Brian Aker
Convert default engine to Innodb |
412 |
2 DEPENDENT SUBQUERY t1 ALL idx NULL NULL NULL 10 Using where |
|
1
by brian
clean slate |
413 |
select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2; |
414 |
oref a Z |
|
415 |
ee NULL NULL |
|
416 |
bb 2 0 |
|
417 |
ff 2 1 |
|
418 |
cc 3 NULL |
|
419 |
aa 1 1 |
|
420 |
dd NULL 0 |
|
421 |
bb NULL NULL |
|
422 |
select oref, a from t2 where a in (select ie from t1 where oref=t2.oref); |
|
423 |
oref a |
|
424 |
aa 1 |
|
425 |
ff 2 |
|
426 |
select oref, a from t2 where a not in (select ie from t1 where oref=t2.oref); |
|
427 |
oref a |
|
428 |
bb 2 |
|
429 |
dd NULL |
|
430 |
alter table t1 drop index idx; |
|
431 |
alter table t1 add index idx(oref,ie); |
|
432 |
explain select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2; |
|
433 |
id select_type table type possible_keys key key_len ref rows Extra |
|
434 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 7 |
|
|
383.1.16
by Brian Aker
Force client communication into UTF8 |
435 |
2 DEPENDENT SUBQUERY t1 ref_or_null idx idx 24 test.t2.oref,func 10 Using where; Using index; Full scan on NULL key |
|
1
by brian
clean slate |
436 |
select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2; |
437 |
oref a Z |
|
438 |
ee NULL NULL |
|
439 |
bb 2 0 |
|
440 |
ff 2 1 |
|
441 |
cc 3 NULL |
|
442 |
aa 1 1 |
|
443 |
dd NULL 0 |
|
444 |
bb NULL NULL |
|
445 |
select oref, a from t2 where a in (select ie from t1 where oref=t2.oref); |
|
446 |
oref a |
|
|
496.1.4
by Paul McCullagh
Changes to .result files to run both PBXT and InnoDB |
447 |
aa 1 |
|
1
by brian
clean slate |
448 |
ff 2 |
449 |
select oref, a from t2 where a not in (select ie from t1 where oref=t2.oref); |
|
450 |
oref a |
|
451 |
bb 2 |
|
452 |
dd NULL |
|
453 |
explain
|
|
454 |
select oref, a, |
|
455 |
a in (select min(ie) from t1 where oref=t2.oref |
|
456 |
group by grp having min(ie) > 1) Z |
|
457 |
from t2; |
|
458 |
id select_type table type possible_keys key key_len ref rows Extra |
|
459 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 7 |
|
|
383.1.16
by Brian Aker
Force client communication into UTF8 |
460 |
2 DEPENDENT SUBQUERY t1 ref idx idx 19 test.t2.oref 5 Using where; Using temporary; Using filesort |
|
1
by brian
clean slate |
461 |
select oref, a, |
462 |
a in (select min(ie) from t1 where oref=t2.oref |
|
463 |
group by grp having min(ie) > 1) Z |
|
464 |
from t2; |
|
465 |
oref a Z |
|
466 |
ee NULL 0 |
|
467 |
bb 2 0 |
|
468 |
ff 2 1 |
|
469 |
cc 3 0 |
|
470 |
aa 1 0 |
|
471 |
dd NULL 0 |
|
472 |
bb NULL NULL |
|
473 |
select oref, a from t2 where a in (select min(ie) from t1 where oref=t2.oref |
|
474 |
group by grp having min(ie) > 1); |
|
475 |
oref a |
|
476 |
ff 2 |
|
477 |
select oref, a from t2 where a not in (select min(ie) from t1 where oref=t2.oref |
|
478 |
group by grp having min(ie) > 1); |
|
479 |
oref a |
|
480 |
ee NULL |
|
481 |
bb 2 |
|
482 |
cc 3 |
|
483 |
aa 1 |
|
484 |
dd NULL |
|
485 |
drop table t1,t2; |
|
486 |
create table t1 (oref char(4), grp int, ie1 int, ie2 int); |
|
487 |
insert into t1 (oref, grp, ie1, ie2) values |
|
488 |
('aa', 10, 2, 1), |
|
489 |
('aa', 10, 1, 1), |
|
490 |
('aa', 20, 2, 1), |
|
491 |
('bb', 10, 3, 1), |
|
492 |
('cc', 10, 4, 2), |
|
493 |
('cc', 20, 3, 2), |
|
494 |
('ee', 10, 2, 1), |
|
495 |
('ee', 10, 1, 2), |
|
496 |
('ff', 20, 2, 2), |
|
497 |
('ff', 20, 1, 2); |
|
498 |
create table t2 (oref char(4), a int, b int); |
|
499 |
insert into t2 values |
|
500 |
('ee', NULL, 1), |
|
501 |
('bb', 2, 1), |
|
502 |
('ff', 2, 2), |
|
503 |
('cc', 3, NULL), |
|
504 |
('bb', NULL, NULL), |
|
505 |
('aa', 1, 1), |
|
506 |
('dd', 1, NULL); |
|
507 |
select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2; |
|
508 |
oref a b Z |
|
509 |
ee NULL 1 NULL |
|
510 |
bb 2 1 0 |
|
511 |
ff 2 2 1 |
|
512 |
cc 3 NULL NULL |
|
513 |
bb NULL NULL NULL |
|
514 |
aa 1 1 1 |
|
515 |
dd 1 NULL 0 |
|
516 |
select oref, a, b from t2 where (a,b) in (select ie1,ie2 from t1 where oref=t2.oref); |
|
517 |
oref a b |
|
518 |
aa 1 1 |
|
519 |
ff 2 2 |
|
520 |
select oref, a, b from t2 where (a,b) not in (select ie1,ie2 from t1 where oref=t2.oref); |
|
521 |
oref a b |
|
522 |
bb 2 1 |
|
523 |
dd 1 NULL |
|
524 |
select oref, a, b, |
|
525 |
(a,b) in (select min(ie1),max(ie2) from t1 |
|
526 |
where oref=t2.oref group by grp) Z |
|
527 |
from t2; |
|
528 |
oref a b Z |
|
529 |
ee NULL 1 0 |
|
530 |
bb 2 1 0 |
|
531 |
ff 2 2 0 |
|
532 |
cc 3 NULL NULL |
|
533 |
bb NULL NULL NULL |
|
534 |
aa 1 1 1 |
|
535 |
dd 1 NULL 0 |
|
536 |
select oref, a, b from t2 where |
|
537 |
(a,b) in (select min(ie1), max(ie2) from t1 where oref=t2.oref group by grp); |
|
538 |
oref a b |
|
539 |
aa 1 1 |
|
540 |
select oref, a, b from t2 where |
|
541 |
(a,b) not in (select min(ie1), max(ie2) from t1 where oref=t2.oref group by grp); |
|
542 |
oref a b |
|
543 |
ee NULL 1 |
|
544 |
bb 2 1 |
|
545 |
ff 2 2 |
|
546 |
dd 1 NULL |
|
547 |
alter table t1 add index idx(ie1,ie2); |
|
548 |
explain select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2; |
|
549 |
id select_type table type possible_keys key key_len ref rows Extra |
|
550 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 7 |
|
|
201
by Brian Aker
Convert default engine to Innodb |
551 |
2 DEPENDENT SUBQUERY t1 ALL idx NULL NULL NULL 10 Using where |
|
1
by brian
clean slate |
552 |
select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2; |
553 |
oref a b Z |
|
554 |
ee NULL 1 NULL |
|
555 |
bb 2 1 0 |
|
556 |
ff 2 2 1 |
|
557 |
cc 3 NULL NULL |
|
558 |
bb NULL NULL NULL |
|
559 |
aa 1 1 1 |
|
560 |
dd 1 NULL 0 |
|
561 |
select oref, a, b from t2 where (a,b) in (select ie1,ie2 from t1 where oref=t2.oref); |
|
562 |
oref a b |
|
563 |
aa 1 1 |
|
564 |
ff 2 2 |
|
565 |
select oref, a, b from t2 where (a,b) not in (select ie1,ie2 from t1 where oref=t2.oref); |
|
566 |
oref a b |
|
567 |
bb 2 1 |
|
568 |
dd 1 NULL |
|
569 |
explain extended |
|
570 |
select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2; |
|
571 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
572 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 7 100.00 |
|
|
201
by Brian Aker
Convert default engine to Innodb |
573 |
2 DEPENDENT SUBQUERY t1 ALL idx NULL NULL NULL 10 80.00 Using where |
|
1
by brian
clean slate |
574 |
Warnings: |
575 |
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
576 |
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`ie1` AS `ie1`,`test`.`t1`.`ie2` AS `ie2` from `test`.`t1` where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))) AS `Z` from `test`.`t2` |
|
1
by brian
clean slate |
577 |
drop table t1,t2; |
578 |
create table t1 (oref char(4), grp int, ie int primary key); |
|
579 |
insert into t1 (oref, grp, ie) values |
|
580 |
('aa', 10, 2), |
|
581 |
('aa', 10, 1), |
|
582 |
('bb', 10, 3), |
|
583 |
('cc', 10, 4), |
|
584 |
('cc', 20, 5), |
|
585 |
('cc', 10, 6); |
|
586 |
create table t2 (oref char(4), a int); |
|
587 |
insert into t2 values |
|
588 |
('ee', NULL), |
|
589 |
('bb', 2), |
|
590 |
('cc', 5), |
|
591 |
('cc', 2), |
|
592 |
('cc', NULL), |
|
593 |
('aa', 1), |
|
594 |
('bb', NULL); |
|
595 |
explain select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2; |
|
596 |
id select_type table type possible_keys key key_len ref rows Extra |
|
597 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 7 |
|
598 |
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 Using where; Full scan on NULL key |
|
599 |
select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2; |
|
600 |
oref a Z |
|
601 |
ee NULL 0 |
|
602 |
bb 2 0 |
|
603 |
cc 5 1 |
|
604 |
cc 2 0 |
|
605 |
cc NULL NULL |
|
606 |
aa 1 1 |
|
607 |
bb NULL NULL |
|
608 |
select oref, a from t2 where a in (select ie from t1 where oref=t2.oref); |
|
609 |
oref a |
|
|
201
by Brian Aker
Convert default engine to Innodb |
610 |
aa 1 |
|
1
by brian
clean slate |
611 |
cc 5 |
612 |
select oref, a from t2 where a not in (select ie from t1 where oref=t2.oref); |
|
613 |
oref a |
|
614 |
ee NULL |
|
615 |
bb 2 |
|
616 |
cc 2 |
|
617 |
explain
|
|
618 |
select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by grp) Z from t2; |
|
619 |
id select_type table type possible_keys key key_len ref rows Extra |
|
620 |
1 PRIMARY t2 ALL NULL NULL NULL NULL 7 |
|
621 |
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 Using where; Using temporary; Using filesort |
|
622 |
select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by grp) Z from t2; |
|
623 |
oref a Z |
|
624 |
ee NULL 0 |
|
625 |
bb 2 0 |
|
626 |
cc 5 1 |
|
627 |
cc 2 0 |
|
628 |
cc NULL NULL |
|
629 |
aa 1 1 |
|
630 |
bb NULL NULL |
|
631 |
drop table t1,t2; |
|
632 |
create table t1 (a int, b int); |
|
633 |
insert into t1 values (0,0), (2,2), (3,3); |
|
634 |
create table t2 (a int, b int); |
|
635 |
insert into t2 values (1,1), (3,3); |
|
636 |
select a, b, (a,b) in (select a, min(b) from t2 group by a) Z from t1; |
|
637 |
a b Z |
|
638 |
0 0 0 |
|
639 |
2 2 0 |
|
640 |
3 3 1 |
|
641 |
insert into t2 values (NULL,4); |
|
642 |
select a, b, (a,b) in (select a, min(b) from t2 group by a) Z from t1; |
|
643 |
a b Z |
|
644 |
0 0 0 |
|
645 |
2 2 0 |
|
646 |
3 3 1 |
|
647 |
drop table t1,t2; |
|
648 |
CREATE TABLE t1 (a int, b INT, c CHAR(10) NOT NULL, PRIMARY KEY (a, b)); |
|
649 |
INSERT INTO t1 VALUES (1,1,'a'), (1,2,'b'), (1,3,'c'), (1,4,'d'), (1,5,'e'), |
|
650 |
(2,1,'f'), (2,2,'g'), (2,3,'h'), (3,4,'i'),(3,3,'j'), (3,2,'k'), (3,1,'l'), |
|
651 |
(1,9,'m'); |
|
652 |
CREATE TABLE t2 (a int, b INT, c CHAR(10) NOT NULL, PRIMARY KEY (a, b)); |
|
653 |
INSERT INTO t2 SELECT * FROM t1; |
|
654 |
SELECT a, MAX(b), (SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b)) |
|
655 |
as test FROM t1 GROUP BY a; |
|
656 |
a MAX(b) test |
|
657 |
1 9 m |
|
658 |
2 3 h |
|
659 |
3 4 i |
|
660 |
SELECT * FROM t1 GROUP by t1.a |
|
661 |
HAVING (MAX(t1.b) > (SELECT MAX(t2.b) FROM t2 WHERE t2.c < t1.c |
|
662 |
HAVING MAX(t2.b+t1.a) < 10)); |
|
663 |
a b c |
|
664 |
SELECT a,b,c FROM t1 WHERE b in (9,3,4) ORDER BY b,c; |
|
665 |
a b c |
|
666 |
1 3 c |
|
667 |
2 3 h |
|
668 |
3 3 j |
|
669 |
1 4 d |
|
670 |
3 4 i |
|
671 |
1 9 m |
|
672 |
SELECT a, MAX(b), |
|
673 |
(SELECT COUNT(DISTINCT t.c) FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b) |
|
674 |
LIMIT 1) |
|
675 |
as cnt, |
|
676 |
(SELECT t.b FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b) LIMIT 1) |
|
677 |
as t_b, |
|
678 |
(SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b) LIMIT 1) |
|
679 |
as t_b, |
|
680 |
(SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b) ORDER BY t.c LIMIT 1) |
|
681 |
as t_b |
|
682 |
FROM t1 GROUP BY a; |
|
683 |
a MAX(b) cnt t_b t_b t_b |
|
684 |
1 9 1 9 m m |
|
685 |
2 3 1 3 h h |
|
686 |
3 4 1 4 i i |
|
687 |
SELECT a, MAX(b), |
|
688 |
(SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b) LIMIT 1) as test |
|
689 |
FROM t1 GROUP BY a; |
|
690 |
a MAX(b) test |
|
691 |
1 9 m |
|
692 |
2 3 h |
|
693 |
3 4 i |
|
694 |
DROP TABLE t1, t2; |
|
695 |
CREATE TABLE t1 (a int); |
|
696 |
CREATE TABLE t2 (b int, PRIMARY KEY(b)); |
|
697 |
INSERT INTO t1 VALUES (1), (NULL), (4); |
|
698 |
INSERT INTO t2 VALUES (3), (1),(2), (5), (4), (7), (6); |
|
699 |
EXPLAIN EXTENDED |
|
700 |
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1)); |
|
701 |
id select_type table type possible_keys key key_len ref rows filtered Extra |
|
702 |
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where |
|
703 |
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 100.00 Using index |
|
704 |
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where |
|
705 |
Warnings: |
|
|
352.2.1
by Harrison Fisk
Fix for bugs 259843 and 256482 |
706 |
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`b` = `test`.`t1`.`a`) and (not(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` where ((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)) having <is_not_null_test>(`test`.`t1`.`a`)))))) |
|
1
by brian
clean slate |
707 |
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1)); |
708 |
a
|
|
709 |
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4)); |
|
710 |
a
|
|
711 |
1
|
|
712 |
4
|
|
713 |
DROP TABLE t1,t2; |
|
714 |
CREATE TABLE t1 (id int); |
|
715 |
CREATE TABLE t2 (id int PRIMARY KEY); |
|
716 |
CREATE TABLE t3 (id int PRIMARY KEY, name varchar(10)); |
|
717 |
INSERT INTO t1 VALUES (2), (NULL), (3), (1); |
|
718 |
INSERT INTO t2 VALUES (234), (345), (457); |
|
719 |
INSERT INTO t3 VALUES (222,'bbb'), (333,'ccc'), (111,'aaa'); |
|
720 |
EXPLAIN
|
|
721 |
SELECT * FROM t1 |
|
722 |
WHERE t1.id NOT IN (SELECT t2.id FROM t2,t3 |
|
723 |
WHERE t3.name='xxx' AND t2.id=t3.id); |
|
724 |
id select_type table type possible_keys key key_len ref rows Extra |
|
725 |
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where |
|
726 |
2 DEPENDENT SUBQUERY t2 eq_ref PRIMARY PRIMARY 4 func 1 Using where; Using index; Full scan on NULL key |
|
|
201
by Brian Aker
Convert default engine to Innodb |
727 |
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 func 1 Using where; Full scan on NULL key |
|
1
by brian
clean slate |
728 |
SELECT * FROM t1 |
729 |
WHERE t1.id NOT IN (SELECT t2.id FROM t2,t3 |
|
730 |
WHERE t3.name='xxx' AND t2.id=t3.id); |
|
731 |
id
|
|
732 |
2
|
|
733 |
NULL
|
|
734 |
3
|
|
735 |
1
|
|
736 |
SELECT (t1.id IN (SELECT t2.id FROM t2,t3 |
|
737 |
WHERE t3.name='xxx' AND t2.id=t3.id)) AS x |
|
738 |
FROM t1; |
|
739 |
x
|
|
740 |
0
|
|
741 |
0
|
|
742 |
0
|
|
743 |
0
|
|
744 |
DROP TABLE t1,t2,t3; |
|
745 |
CREATE TABLE t1 (a INT NOT NULL); |
|
746 |
INSERT INTO t1 VALUES (1),(-1), (65),(66); |
|
|
413.2.2
by Brian Aker
Removed UNSIGNED from parser. |
747 |
CREATE TABLE t2 (a INT NOT NULL PRIMARY KEY); |
|
1
by brian
clean slate |
748 |
INSERT INTO t2 VALUES (65),(66); |
749 |
SELECT a FROM t1 WHERE a NOT IN (65,66); |
|
750 |
a
|
|
751 |
1
|
|
752 |
-1 |
|
753 |
SELECT a FROM t1 WHERE a NOT IN (SELECT a FROM t2); |
|
754 |
a
|
|
755 |
1
|
|
756 |
-1 |
|
757 |
EXPLAIN SELECT a FROM t1 WHERE a NOT IN (SELECT a FROM t2); |
|
758 |
id select_type table type possible_keys key key_len ref rows Extra |
|
759 |
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where |
|
|
413.2.2
by Brian Aker
Removed UNSIGNED from parser. |
760 |
2 DEPENDENT SUBQUERY t2 unique_subquery PRIMARY PRIMARY 4 func 1 Using index |
|
1
by brian
clean slate |
761 |
DROP TABLE t1, t2; |
762 |
CREATE TABLE t1 (a INT); |
|
763 |
INSERT INTO t1 VALUES(1); |
|
764 |
CREATE TABLE t2 (placeholder CHAR(11)); |
|
765 |
INSERT INTO t2 VALUES("placeholder"); |
|
766 |
SELECT ROW(1, 2) IN (SELECT t1.a, 2) FROM t1 GROUP BY t1.a; |
|
767 |
ROW(1, 2) IN (SELECT t1.a, 2) |
|
768 |
1
|
|
769 |
SELECT ROW(1, 2) IN (SELECT t1.a, 2 FROM t2) FROM t1 GROUP BY t1.a; |
|
770 |
ROW(1, 2) IN (SELECT t1.a, 2 FROM t2) |
|
771 |
1
|
|
772 |
DROP TABLE t1, t2; |
|
773 |
create table t1 (a int, b decimal(13, 3)); |
|
774 |
insert into t1 values (1, 0.123); |
|
775 |
select a, (select max(b) from t1) into outfile "subselect.out.file.1" from t1; |
|
776 |
delete from t1; |
|
777 |
load data infile "subselect.out.file.1" into table t1; |
|
778 |
select * from t1; |
|
779 |
a b |
|
780 |
1 0.123 |
|
781 |
drop table t1; |
|
782 |
End of 5.0 tests |