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mysql-test/r/derived.result: Auto merged mysql-test/t/derived.test: Auto merged sql/sql_yacc.yy: Auto merged sql/item.cc: Fixes for merge ...
138 lines
3.6 KiB
Text
138 lines
3.6 KiB
Text
select * from (select 2 from DUAL) b;
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2
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2
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SELECT 1 as a FROM (SELECT 1 UNION SELECT a) b;
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Unknown column 'a' in 'field list'
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SELECT 1 as a FROM (SELECT a UNION SELECT 1) b;
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Unknown column 'a' in 'field list'
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drop table if exists t1,t2,t3;
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CREATE TABLE t1 (a int not null, b char (10) not null);
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insert into t1 values(1,'a'),(2,'b'),(3,'c'),(3,'c');
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CREATE TABLE t2 (a int not null, b char (10) not null);
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insert into t2 values (3,'c'),(4,'d'),(5,'f'),(6,'e');
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select t1.a,t3.y from t1,(select a as y from t2 where b='c') as t3 where t1.a = t3.y;
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a y
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3 3
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3 3
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select t1.a,t3.a from t1,(select * from t2 where b='c') as t3 where t1.a = t3.a;
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a a
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3 3
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3 3
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CREATE TABLE t3 (a int not null, b char (10) not null);
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insert into t3 values (3,'f'),(4,'y'),(5,'z'),(6,'c');
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select t1.a,t4.y from t1,(select t2.a as y from t2,(select t3.b from t3 where t3.a>3) as t5 where t2.b=t5.b) as t4 where t1.a = t4.y;
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a y
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3 3
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3 3
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SELECT a FROM (SELECT 1 FROM (SELECT 1) a HAVING a=1) b;
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Unknown column 'a' in 'having clause'
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SELECT a,b as a FROM (SELECT '1' as a,'2' as b) b HAVING a=1;
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Column: 'a' in having clause is ambiguous
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SELECT a,2 as a FROM (SELECT '1' as a) b HAVING a=2;
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a a
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1 2
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SELECT a,2 as a FROM (SELECT '1' as a) b HAVING a=1;
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a a
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SELECT 1 FROM (SELECT 1) a WHERE a=2;
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Unknown column 'a' in 'where clause'
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SELECT (SELECT 1) as a FROM (SELECT 1 FROM t1 HAVING a=1) as a;
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Unknown column 'a' in 'having clause'
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select * from t1 as x1, (select * from t1) as x2;
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a b a b
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1 a 1 a
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2 b 1 a
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3 c 1 a
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3 c 1 a
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1 a 2 b
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2 b 2 b
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3 c 2 b
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3 c 2 b
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1 a 3 c
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2 b 3 c
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3 c 3 c
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3 c 3 c
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1 a 3 c
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2 b 3 c
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3 c 3 c
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3 c 3 c
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explain select * from t1 as x1, (select * from t1) as x2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY x1 ALL NULL NULL NULL NULL 4
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1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4
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2 DERIVED x1 ALL NULL NULL NULL NULL 4
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drop table if exists t1.t2,t3;
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select * from (select 1) as a;
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1
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1
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select a from (select 1 as a) as b;
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a
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1
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select 1 from (select 1) as a;
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1
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1
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select * from (select * from t1 union select * from t1) a;
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a b
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1 a
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2 b
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3 c
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select * from (select * from t1 union all select * from t1) a;
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a b
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1 a
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2 b
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3 c
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3 c
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1 a
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2 b
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3 c
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3 c
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explain select * from (select * from t1 union select * from t1) a;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY <derived2> ALL NULL NULL NULL NULL 3
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2 DERIVED t1 ALL NULL NULL NULL NULL 4
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3 UNION t1 ALL NULL NULL NULL NULL 4
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explain select * from (select * from t1 union all select * from t1) a;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY <derived2> ALL NULL NULL NULL NULL 8
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2 DERIVED t1 ALL NULL NULL NULL NULL 4
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3 UNION t1 ALL NULL NULL NULL NULL 4
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drop table if exists t1;
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create table t1(a int not null, t char(8), index(a));
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SELECT * FROM (SELECT * FROM t1) as b ORDER BY a ASC LIMIT 0,20;
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a t
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1 1
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2 2
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3 3
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4 4
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5 5
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6 6
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7 7
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8 8
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9 9
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10 10
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11 11
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12 12
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13 13
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14 14
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15 15
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16 16
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17 17
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18 18
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19 19
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20 20
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explain select count(*) from t1 as tt1, (select * from t1) as tt2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
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2 DERIVED tt1 index NULL a 4 NULL 10000 Using index
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drop table if exists t1;
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SELECT * FROM (SELECT (SELECT * FROM (SELECT 1 as a) as a )) as b;
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(SELECT * FROM (SELECT 1 as a) as a )
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1
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select * from (select 1 as a) b left join (select 2 as a) c using(a);
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a a
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1 NULL
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SELECT * FROM (SELECT 1 UNION SELECT a) b;
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Unknown column 'a' in 'field list'
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SELECT 1 as a FROM (SELECT a UNION SELECT 1) b;
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Unknown column 'a' in 'field list'
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SELECT 1 as a FROM (SELECT 1 UNION SELECT a) b;
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Unknown column 'a' in 'field list'
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