1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
|
create table t1 (a int, b int) engine=MyISAM;
create table t2 (c int, d int) engine=MyISAM;
insert into t1 values (1,1),(2,2),(3,3),(2,2);
insert into t2 values (2,2),(2,2),(5,5);
select * from t1 intersect all select * from t2;
(select a,b from t1) intersect all (select c,d from t2);
select * from ((select a,b from t1) intersect all (select c,d from t2)) t;
select * from ((select a from t1) intersect all (select c from t2)) t;
drop tables t1,t2;
create table t1 (a int, b int) engine=MyISAM;
create table t2 (c int, d int) engine=MyISAM;
create table t3 (e int, f int) engine=MyISAM;
insert into t1 values (1,1),(2,2),(3,3),(2,2);
insert into t2 values (2,2),(3,3),(4,4),(2,2);
insert into t3 values (1,1),(2,2),(5,5),(2,2);
(select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3);
EXPLAIN (select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3);
EXPLAIN extended (select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3);
EXPLAIN extended select * from ((select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3)) a;
--source include/explain-no-costs.inc
EXPLAIN format=json (select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3);
--source include/analyze-format.inc
ANALYZE format=json (select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3);
--source include/analyze-format.inc
ANALYZE format=json select * from ((select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3)) a;
select * from ((select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3)) a;
prepare stmt from "(select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3);";
execute stmt;
execute stmt;
prepare stmt from "select * from ((select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3)) a";
execute stmt;
execute stmt;
insert into t1 values (2,2),(3,3);
insert into t2 values (2,2),(2,2),(2,2);
(select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3);
(select a,b from t1) intersect (select c,d from t2) intersect all (select e,f from t3);
insert into t3 values (2,2);
(select a,b from t1) intersect all (select c,d from t2) intersect (select e,f from t3);
(select a,b from t1) intersect all (select c,e from t2,t3);
EXPLAIN (select a,b from t1) intersect all (select c,e from t2,t3);
EXPLAIN extended (select a,b from t1) intersect all (select c,e from t2,t3);
EXPLAIN extended select * from ((select a,b from t1) intersect all (select c,e from t2,t3)) a;
--source include/explain-no-costs.inc
EXPLAIN format=json (select a,b from t1) intersect all (select c,e from t2,t3);
--source include/analyze-format.inc
ANALYZE format=json (select a,b from t1) intersect all (select c,e from t2,t3);
--source include/analyze-format.inc
ANALYZE format=json select * from ((select a,b from t1) intersect all (select c,e from t2,t3)) a;
select * from ((select a,b from t1) intersect all (select c,e from t2,t3)) a;
prepare stmt from "(select a,b from t1) intersect all (select c,e from t2,t3);";
execute stmt;
execute stmt;
prepare stmt from "select * from ((select a,b from t1) intersect all (select c,e from t2,t3)) a";
execute stmt;
execute stmt;
drop tables t1,t2,t3;
select 1 as a from dual intersect all select 1 from dual;
(select 1 from dual) intersect all (select 1 from dual);
--error ER_PARSE_ERROR
(select 1 from dual into @v) intersect all (select 1 from dual);
--error ER_PARSE_ERROR
select 1 from dual ORDER BY 1 intersect all select 1 from dual;
select 1 as a from dual union all select 1 from dual;
create table t1 (a int, b blob, a1 int, b1 blob);
create table t2 (c int, d blob, c1 int, d1 blob);
insert into t1 values (1,"ddd", 1, "sdfrrwwww"),(2, "fgh", 2, "dffggtt"),(2, "fgh", 2, "dffggtt");
insert into t2 values (2, "fgh", 2, "dffggtt"),(3, "ffggddd", 3, "dfgg"),(2, "fgh", 2, "dffggtt");
(select a,b,b1 from t1) intersect all (select c,d,d1 from t2);
drop tables t1,t2;
create table t1 (a int, b blob) engine=MyISAM;
create table t2 (c int, d blob) engine=MyISAM;
create table t3 (e int, f blob) engine=MyISAM;
insert into t1 values (1,1),(2,2),(3,3),(2,2),(3,3);
insert into t2 values (2,2),(3,3),(4,4),(2,2),(2,2),(2,2);
insert into t3 values (1,1),(2,2),(5,5),(2,2),(5,5);
(select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3);
select * from ((select a,b from t1) intersect all (select c,d from t2) intersect (select e,f from t3)) a;
prepare stmt from "(select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3);";
execute stmt;
execute stmt;
prepare stmt from "select * from ((select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3)) a";
execute stmt;
execute stmt;
# make sure that blob is used
create table t4 (select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3);
show create table t4;
drop tables t4;
(select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3) union all (select 4,4);
(select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3) union all (select 4,4) except all (select 2,2);
drop tables t1,t2,t3;
create table t1 (a int, b int);
create table t2 (c int, d int);
create table t3 (e int, f int);
insert into t1 values (1,1),(2,2),(3,3),(2,2),(3,3);
insert into t2 values (2,2),(3,3),(4,4),(2,2),(2,2),(2,2);
insert into t3 values (1,1),(2,2),(5,5),(2,2),(5,5);
(select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3) union all (select 4,4);
(select a,b from t1) intersect all (select c,d from t2) intersect all (select e,f from t3) union all (select 4,4) except all (select 2,2);
drop tables t1,t2,t3;
--echo #
--echo # INTERSECT precedence
--echo #
create table t1 (a int, b blob) engine=MyISAM;
create table t2 (c int, d blob) engine=MyISAM;
create table t3 (e int, f blob) engine=MyISAM;
insert into t1 values (5,5),(6,6);
insert into t2 values (2,2),(3,3);
insert into t3 values (1,1),(3,3);
(select a,b from t1) union all (select c,d from t2) intersect (select e,f from t3) union all (select 4,4);
(select a,b from t1) union all (select c,d from t2) intersect all (select e,f from t3) union all (select 4,4);
explain extended (select a,b from t1) union all (select c,d from t2) intersect all (select e,f from t3) union all (select 4,4);
# test result of linear mix operation
insert into t2 values (3,3);
insert into t3 values (3,3);
(select e,f from t3) intersect all (select c,d from t2) union all (select a,b from t1) union all (select 4,4);
explain extended (select e,f from t3) intersect all (select c,d from t2) union all (select a,b from t1) union all (select 4,4);
(/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) union /* select#3 */ select `__3`.`c` AS `c`,`__3`.`d` AS `d` from ((/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) intersect all (/* select#4 */ select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`)) `__3` union (/* select#5 */ select 4 AS `4`,4 AS `4`);
prepare stmt from "(select a,b from t1) union all (select c,d from t2) intersect all (select e,f from t3) union all (select 4,4)";
execute stmt;
execute stmt;
create view v1 as (select a,b from t1) union all (select c,d from t2) intersect all (select e,f from t3) union all (select 4,4);
select b,a,b+1 from v1;
select b,a,b+1 from v1 where a > 3;
create procedure p1()
select * from v1;
call p1();
call p1();
drop procedure p1;
create procedure p1()
(select a,b from t1) union all (select c,d from t2) intersect all (select e,f from t3) union all (select 4,4);
call p1();
call p1();
drop procedure p1;
show create view v1;
drop view v1;
drop tables t1,t2,t3;
CREATE TABLE t (i INT);
INSERT INTO t VALUES (1),(2);
SELECT * FROM t WHERE i != ANY ( SELECT 6 INTERSECT ALL SELECT 3 );
select i from t where
exists ((select 6 as r from dual having t.i <> 6)
intersect all
(select 3 from dual having t.i <> 3));
drop table t;
CREATE TABLE t1 (a varchar(32)) ENGINE=MyISAM;
INSERT INTO t1 VALUES
('Jakarta'),('Lisbon'),('Honolulu'),('Lusaka'),('Barcelona'),('Taipei'),
('Brussels'),('Orlando'),('Osaka'),('Quito'),('Lima'),('Tunis'),
('Unalaska'),('Rotterdam'),('Zagreb'),('Ufa'),('Ryazan'),('Xiamen'),
('London'),('Izmir'),('Samara'),('Bern'),('Zhengzhou'),('Vladivostok'),
('Yangon'),('Victoria'),('Warsaw'),('Luanda'),('Leon'),('Bangkok'),
('Wellington'),('Zibo'),('Qiqihar'),('Delhi'),('Hamburg'),('Ottawa'),
('Vaduz');
CREATE TABLE t2 (b varchar(32)) ENGINE=MyISAM;
INSERT INTO t2 VALUES
('Gaza'),('Jeddah'),('Beirut'),('Incheon'),('Tbilisi'),('Izmir'),
('Quito'),('Riga'),('Freetown'),('Zagreb'),('Caracas'),('Orlando'),
('Kingston'),('Turin'),('Xinyang'),('Osaka'),('Albany'),('Geneva'),
('Omsk'),('Kazan'),('Quezon'),('Indore'),('Odessa'),('Xiamen'),
('Winnipeg'),('Yakutsk'),('Nairobi'),('Ufa'),('Helsinki'),('Vilnius'),
('Aden'),('Liverpool'),('Honolulu'),('Frankfurt'),('Glasgow'),
('Vienna'),('Jackson'),('Jakarta'),('Sydney'),('Oslo'),('Novgorod'),
('Norilsk'),('Izhevsk'),('Istanbul'),('Nice');
CREATE TABLE t3 (c varchar(32)) ENGINE=MyISAM;
INSERT INTO t3 VALUES
('Nicosia'),('Istanbul'),('Richmond'),('Stockholm'),('Dublin'),
('Wichita'),('Warsaw'),('Glasgow'),('Winnipeg'),('Irkutsk'),('Quito'),
('Xiamen'),('Berlin'),('Rome'),('Denver'),('Dallas'),('Kabul'),
('Prague'),('Izhevsk'),('Tirana'),('Sofia'),('Detroit'),('Sorbonne');
select count(*) from (
SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
INTERSECT
SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
) a;
select count(*) from (
SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
INTERSECT ALL
SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
) a;
insert into t1 values ('Xiamen');
insert into t2 values ('Xiamen'),('Xiamen');
insert into t3 values ('Xiamen');
select count(*) from (
SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
INTERSECT ALL
SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
) a;
drop table t1,t2,t3;
CREATE TABLE t1 (a varchar(32) not null) ENGINE=MyISAM;
INSERT INTO t1 VALUES
('Jakarta'),('Lisbon'),('Honolulu'),('Lusaka'),('Barcelona'),('Taipei'),
('Brussels'),('Orlando'),('Osaka'),('Quito'),('Lima'),('Tunis'),
('Unalaska'),('Rotterdam'),('Zagreb'),('Ufa'),('Ryazan'),('Xiamen'),
('London'),('Izmir'),('Samara'),('Bern'),('Zhengzhou'),('Vladivostok'),
('Yangon'),('Victoria'),('Warsaw'),('Luanda'),('Leon'),('Bangkok'),
('Wellington'),('Zibo'),('Qiqihar'),('Delhi'),('Hamburg'),('Ottawa'),
('Vaduz'),('Detroit'),('Detroit');
CREATE TABLE t2 (b varchar(32) not null) ENGINE=MyISAM;
INSERT INTO t2 VALUES
('Gaza'),('Jeddah'),('Beirut'),('Incheon'),('Tbilisi'),('Izmir'),
('Quito'),('Riga'),('Freetown'),('Zagreb'),('Caracas'),('Orlando'),
('Kingston'),('Turin'),('Xinyang'),('Osaka'),('Albany'),('Geneva'),
('Omsk'),('Kazan'),('Quezon'),('Indore'),('Odessa'),('Xiamen'),
('Winnipeg'),('Yakutsk'),('Nairobi'),('Ufa'),('Helsinki'),('Vilnius'),
('Aden'),('Liverpool'),('Honolulu'),('Frankfurt'),('Glasgow'),
('Vienna'),('Jackson'),('Jakarta'),('Sydney'),('Oslo'),('Novgorod'),
('Norilsk'),('Izhevsk'),('Istanbul'),('Nice'),('Detroit'),('Detroit');
CREATE TABLE t3 (c varchar(32) not null) ENGINE=MyISAM;
INSERT INTO t3 VALUES
('Nicosia'),('Istanbul'),('Richmond'),('Stockholm'),('Dublin'),
('Wichita'),('Warsaw'),('Glasgow'),('Winnipeg'),('Irkutsk'),('Quito'),
('Xiamen'),('Berlin'),('Rome'),('Denver'),('Dallas'),('Kabul'),
('Prague'),('Izhevsk'),('Tirana'),('Sofia'),('Detroit'),('Sorbonne'),
('Detroit');
select count(*) from (
SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
INTERSECT
SELECT * FROM t1 LEFT OUTER JOIN t2 LEFT OUTER JOIN t3 ON b < c ON a > b
) a;
drop table t1,t2,t3;
create table t12(c1 int);
insert into t12 values(1);
insert into t12 values(2);
create table t13(c1 int);
insert into t13 values(1);
insert into t13 values(3);
create table t234(c1 int);
insert into t234 values(2);
insert into t234 values(3);
insert into t234 values(4);
select * from t13 union select * from t234 intersect all select * from t12;
drop table t12,t13,t234;
create table t1 (a int);
insert into t1 values (3), (1), (7), (3), (2), (7), (4);
create table t2 (a int);
insert into t2 values (4), (5), (9), (1), (8), (9), (2), (2);
create table t3 (a int);
insert into t3 values (8), (1), (8), (2), (3), (7), (2);
select * from t1 where a > 4
union all
select * from t2 where a < 5
intersect all
select * from t3 where a < 5;
explain extended
select * from t1 where a > 4
union all
select * from t2 where a < 5
intersect all
select * from t3 where a < 5;
drop table t1,t2,t3;
|
