mirror of
https://github.com/MariaDB/server.git
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75 lines
4.4 KiB
Text
75 lines
4.4 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 all (select e,f from t3) union all (select 4,4);
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'all (select e,f from t3) union all (select 4,4)' at line 1
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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);
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'all (select e,f from t3) union all (select 4,4)' at line 1
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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);
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'all (select c,d from t2) union all (select a,b from t1) union all (select 4,4)' at line 1
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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);
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'all (select c,d from t2) union all (select a,b from t1) union all (select 4,4)' at line 1
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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 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'all select * from t12' at line 1
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set SQL_MODE=default;
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