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127 lines
6.7 KiB
Text
127 lines
6.7 KiB
Text
create table t1 (a int, b blob) engine=MyISAM;
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create table t2 (c int, d blob) engine=MyISAM;
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create table t3 (e int, f blob) engine=MyISAM;
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insert into t1 values (5,5),(6,6);
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insert into t2 values (2,2),(3,3);
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insert into t3 values (1,1),(3,3);
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set SQL_MODE=ORACLE;
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(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
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a b
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4 4
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3 3
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explain extended
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(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
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2 UNION t2 ALL NULL NULL NULL NULL 2 100.00
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3 INTERSECT t3 ALL NULL NULL NULL NULL 2 100.00
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4 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNIT RESULT <unit1,2,3,4> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 (/* select#1 */ select "test"."t1"."a" AS "a","test"."t1"."b" AS "b" from "test"."t1") union (/* select#2 */ select "test"."t2"."c" AS "c","test"."t2"."d" AS "d" from "test"."t2") intersect (/* select#3 */ select "test"."t3"."e" AS "e","test"."t3"."f" AS "f" from "test"."t3") union (/* select#4 */ select 4 AS "4",4 AS "4")
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(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
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e f
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5 5
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3 3
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6 6
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4 4
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explain extended
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(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00
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2 INTERSECT t2 ALL NULL NULL NULL NULL 2 100.00
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3 UNION t1 ALL NULL NULL NULL NULL 2 100.00
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4 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNIT RESULT <unit1,2,3,4> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 (/* select#1 */ select "test"."t3"."e" AS "e","test"."t3"."f" AS "f" from "test"."t3") intersect (/* select#2 */ select "test"."t2"."c" AS "c","test"."t2"."d" AS "d" from "test"."t2") union (/* select#3 */ select "test"."t1"."a" AS "a","test"."t1"."b" AS "b" from "test"."t1") union (/* select#4 */ select 4 AS "4",4 AS "4")
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create table t12(c1 int);
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insert into t12 values(1);
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insert into t12 values(2);
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create table t13(c1 int);
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insert into t13 values(1);
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insert into t13 values(3);
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create table t234(c1 int);
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insert into t234 values(2);
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insert into t234 values(3);
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insert into t234 values(4);
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select * from t13 union select * from t234 intersect select * from t12;
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c1
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1
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2
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set SQL_MODE=default;
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drop table t1,t2,t3;
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drop table t12,t13, t234;
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create table t1 (a int, b blob) engine=MyISAM;
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create table t2 (c int, d blob) engine=MyISAM;
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create table t3 (e int, f blob) engine=MyISAM;
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insert into t1 values (5,5),(6,6);
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insert into t2 values (2,2),(3,3);
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insert into t3 values (1,1),(3,3);
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set SQL_MODE=ORACLE;
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select a,b from t1 union all select c,d from t2 intersect select e,f from t3 union all select 4,'4' from dual;
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a b
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4 4
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3 3
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explain extended
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select a,b from t1 union all select c,d from t2 intersect select e,f from t3 union all select 4,'4' from dual;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
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2 UNION t2 ALL NULL NULL NULL NULL 2 100.00
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3 INTERSECT t3 ALL NULL NULL NULL NULL 2 100.00
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4 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNIT RESULT <unit1,2,3,4> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 /* select#1 */ select "test"."t1"."a" AS "a","test"."t1"."b" AS "b" from "test"."t1" union all /* select#2 */ select "test"."t2"."c" AS "c","test"."t2"."d" AS "d" from "test"."t2" intersect /* select#3 */ select "test"."t3"."e" AS "e","test"."t3"."f" AS "f" from "test"."t3" union all /* select#4 */ select 4 AS "4",'4' AS "4"
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select a,b from t1 union all select c,d from t2 intersect all select e,f from t3 union all select 4,'4' from dual;
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a b
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3 3
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4 4
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explain extended
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select a,b from t1 union all select c,d from t2 intersect all select e,f from t3 union all select 4,'4' from dual;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
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2 UNION t2 ALL NULL NULL NULL NULL 2 100.00
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3 INTERSECT t3 ALL NULL NULL NULL NULL 2 100.00
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4 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNIT RESULT <unit1,2,3,4> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 /* select#1 */ select "test"."t1"."a" AS "a","test"."t1"."b" AS "b" from "test"."t1" union all /* select#2 */ select "test"."t2"."c" AS "c","test"."t2"."d" AS "d" from "test"."t2" intersect all /* select#3 */ select "test"."t3"."e" AS "e","test"."t3"."f" AS "f" from "test"."t3" union all /* select#4 */ select 4 AS "4",'4' AS "4"
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select e,f from t3 intersect select c,d from t2 union all select a,b from t1 union all select 4,'4' from dual;
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e f
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5 5
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3 3
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6 6
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4 4
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explain extended
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select e,f from t3 intersect select c,d from t2 union all select a,b from t1 union all select 4,'4' from dual;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00
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2 INTERSECT t2 ALL NULL NULL NULL NULL 2 100.00
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3 UNION t1 ALL NULL NULL NULL NULL 2 100.00
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4 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNIT RESULT <unit1,2,3,4> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 /* select#1 */ select "test"."t3"."e" AS "e","test"."t3"."f" AS "f" from "test"."t3" intersect /* select#2 */ select "test"."t2"."c" AS "c","test"."t2"."d" AS "d" from "test"."t2" union all /* select#3 */ select "test"."t1"."a" AS "a","test"."t1"."b" AS "b" from "test"."t1" union all /* select#4 */ select 4 AS "4",'4' AS "4"
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select e,f from t3 intersect all select c,d from t2 union all select a,b from t1 union all select 4,'4' from dual;
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e f
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3 3
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5 5
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6 6
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4 4
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explain extended
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select e,f from t3 intersect all select c,d from t2 union all select a,b from t1 union all select 4,'4' from dual;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00
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2 INTERSECT t2 ALL NULL NULL NULL NULL 2 100.00
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3 UNION t1 ALL NULL NULL NULL NULL 2 100.00
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4 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
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NULL UNIT RESULT <unit1,2,3,4> ALL NULL NULL NULL NULL NULL NULL
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Warnings:
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Note 1003 /* select#1 */ select "test"."t3"."e" AS "e","test"."t3"."f" AS "f" from "test"."t3" intersect all /* select#2 */ select "test"."t2"."c" AS "c","test"."t2"."d" AS "d" from "test"."t2" union all /* select#3 */ select "test"."t1"."a" AS "a","test"."t1"."b" AS "b" from "test"."t1" union all /* select#4 */ select 4 AS "4",'4' AS "4"
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set SQL_MODE=default;
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drop table t1,t2,t3;
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set SQL_MODE=oracle;
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select * from t13 union select * from t234 intersect all select * from t12;
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ERROR 42S02: Table 'test.t13' doesn't exist
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set SQL_MODE=default;
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