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d51f0e0503
mysql-test/r/ctype_ucs2_def.result: Corrected the error messages for 5.1 mysql-test/r/heap_hash.result: Corrected the error messages for 5.1 mysql-test/t/ctype_ucs2_def.test: Corrected the error codes for 5.1. mysql-test/t/heap_hash.test: Corrected the error codes for 5.1.
385 lines
13 KiB
Plaintext
385 lines
13 KiB
Plaintext
drop table if exists t1,t2;
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create table t1 (a int not null,b int not null, primary key using HASH (a)) engine=heap comment="testing heaps" avg_row_length=100 min_rows=1 max_rows=100;
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insert into t1 values(1,1),(2,2),(3,3),(4,4);
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delete from t1 where a=1 or a=0;
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show keys from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 a NULL 3 NULL NULL HASH
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select * from t1;
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a b
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2 2
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3 3
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4 4
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select * from t1 where a=4;
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a b
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4 4
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update t1 set b=5 where a=4;
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update t1 set b=b+1 where a>=3;
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replace t1 values (3,3);
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select * from t1;
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a b
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2 2
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3 3
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4 6
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alter table t1 add c int not null, add key using HASH (c,a);
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drop table t1;
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create table t1 (a int not null,b int not null, primary key using HASH (a)) engine=heap comment="testing heaps";
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insert into t1 values(1,1),(2,2),(3,3),(4,4);
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delete from t1 where a > 0;
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select * from t1;
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a b
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drop table t1;
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create table t1 (a int not null,b int not null, primary key using HASH (a)) engine=heap comment="testing heaps";
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insert into t1 values(1,1),(2,2),(3,3),(4,4);
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alter table t1 modify a int not null auto_increment, engine=myisam, comment="new myisam table";
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select * from t1;
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a b
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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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drop table t1;
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create table t1 (a int not null) engine=heap;
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insert into t1 values (869751),(736494),(226312),(802616),(728912);
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select * from t1 where a > 736494;
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a
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869751
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802616
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alter table t1 add unique uniq_id using HASH (a);
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select * from t1 where a > 736494;
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a
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869751
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802616
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select * from t1 where a = 736494;
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a
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736494
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select * from t1 where a=869751 or a=736494;
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a
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736494
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869751
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select * from t1 where a in (869751,736494,226312,802616);
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a
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226312
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736494
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802616
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869751
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alter table t1 engine=myisam;
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explain select * from t1 where a in (869751,736494,226312,802616);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range uniq_id uniq_id 4 NULL 4 Using where; Using index
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drop table t1;
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create table t1 (x int not null, y int not null, key x using HASH (x), unique y using HASH (y))
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engine=heap;
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insert into t1 values (1,1),(2,2),(1,3),(2,4),(2,5),(2,6);
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select * from t1 where x=1;
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x y
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1 3
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1 1
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select * from t1,t1 as t2 where t1.x=t2.y;
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x y x y
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1 1 1 1
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2 2 2 2
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1 3 1 1
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2 4 2 2
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2 5 2 2
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2 6 2 2
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explain select * from t1,t1 as t2 where t1.x=t2.y;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL x NULL NULL NULL 6
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1 SIMPLE t2 eq_ref y y 4 test.t1.x 1
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drop table t1;
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create table t1 (a int) engine=heap;
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insert into t1 values(1);
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select max(a) from t1;
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max(a)
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1
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drop table t1;
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CREATE TABLE t1 ( a int not null default 0, b int not null default 0, key using HASH (a), key using HASH (b) ) ENGINE=HEAP;
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insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
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select * from t1 where a=1;
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a b
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1 6
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1 5
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1 4
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1 3
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1 2
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1 1
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insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
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select * from t1 where a=1;
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a b
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1 6
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1 5
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1 4
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1 3
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1 2
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1 1
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1 6
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1 5
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1 4
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1 3
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1 2
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1 1
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drop table t1;
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create table t1 (id int unsigned not null, primary key using HASH (id)) engine=HEAP;
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insert into t1 values(1);
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select max(id) from t1;
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max(id)
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1
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insert into t1 values(2);
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select max(id) from t1;
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max(id)
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2
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replace into t1 values(1);
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drop table t1;
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create table t1 (n int) engine=heap;
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drop table t1;
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create table t1 (n int) engine=heap;
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drop table if exists t1;
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CREATE table t1(f1 int not null,f2 char(20) not
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null,index(f2)) engine=heap;
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INSERT into t1 set f1=12,f2="bill";
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INSERT into t1 set f1=13,f2="bill";
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INSERT into t1 set f1=14,f2="bill";
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INSERT into t1 set f1=15,f2="bill";
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INSERT into t1 set f1=16,f2="ted";
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INSERT into t1 set f1=12,f2="ted";
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INSERT into t1 set f1=12,f2="ted";
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INSERT into t1 set f1=12,f2="ted";
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INSERT into t1 set f1=12,f2="ted";
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delete from t1 where f2="bill";
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select * from t1;
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f1 f2
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16 ted
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12 ted
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12 ted
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12 ted
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12 ted
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drop table t1;
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create table t1 (btn char(10) not null, key using HASH (btn)) engine=heap;
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insert into t1 values ("hello"),("hello"),("hello"),("hello"),("hello"),("a"),("b"),("c"),("d"),("e"),("f"),("g"),("h"),("i");
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explain select * from t1 where btn like "q%";
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL btn NULL NULL NULL 14 Using where
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select * from t1 where btn like "q%";
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btn
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alter table t1 add column new_col char(1) not null, add key using HASH (btn,new_col), drop key btn;
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update t1 set new_col=left(btn,1);
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explain select * from t1 where btn="a";
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL btn NULL NULL NULL 14 Using where
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explain select * from t1 where btn="a" and new_col="a";
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref btn btn 11 const,const 2 Using where
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drop table t1;
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CREATE TABLE t1 (
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a int default NULL,
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b int default NULL,
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KEY a using HASH (a),
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UNIQUE b using HASH (b)
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) engine=heap;
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INSERT INTO t1 VALUES (NULL,99),(99,NULL),(1,1),(2,2),(1,3);
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SELECT * FROM t1 WHERE a=NULL;
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a b
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explain SELECT * FROM t1 WHERE a IS NULL;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 5 const 2 Using where
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SELECT * FROM t1 WHERE a<=>NULL;
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a b
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NULL 99
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SELECT * FROM t1 WHERE b=NULL;
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a b
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explain SELECT * FROM t1 WHERE b IS NULL;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref b b 5 const 1 Using where
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SELECT * FROM t1 WHERE b<=>NULL;
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a b
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99 NULL
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INSERT INTO t1 VALUES (1,3);
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ERROR 23000: Duplicate entry '3' for key 'b'
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DROP TABLE t1;
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CREATE TABLE t1 (a int not null, primary key using HASH (a)) engine=heap;
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INSERT into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11);
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DELETE from t1 where a < 100;
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SELECT * from t1;
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a
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DROP TABLE t1;
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create table t1
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(
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a char(8) not null,
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b char(20) not null,
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c int not null,
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key (a)
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) engine=heap;
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insert into t1 values ('aaaa', 'prefill-hash=5',0);
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insert into t1 values ('aaab', 'prefill-hash=0',0);
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insert into t1 values ('aaac', 'prefill-hash=7',0);
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insert into t1 values ('aaad', 'prefill-hash=2',0);
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insert into t1 values ('aaae', 'prefill-hash=1',0);
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insert into t1 values ('aaaf', 'prefill-hash=4',0);
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insert into t1 values ('aaag', 'prefill-hash=3',0);
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insert into t1 values ('aaah', 'prefill-hash=6',0);
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explain select * from t1 where a='aaaa';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaab';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaac';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaad';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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insert into t1 select * from t1;
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flush tables;
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explain select * from t1 where a='aaaa';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaab';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaac';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaad';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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flush tables;
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explain select * from t1 where a='aaaa';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaab';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaac';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaad';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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create table t2 as select * from t1;
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delete from t1;
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insert into t1 select * from t2;
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explain select * from t1 where a='aaaa';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaab';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaac';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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explain select * from t1 where a='aaad';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref a a 8 const 2 Using where
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drop table t1, t2;
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create table t1 (
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id int unsigned not null primary key auto_increment,
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name varchar(20) not null,
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index heap_idx(name),
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index btree_idx using btree(name)
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) engine=heap;
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create table t2 (
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id int unsigned not null primary key auto_increment,
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name varchar(20) not null,
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index btree_idx using btree(name),
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index heap_idx(name)
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) engine=heap;
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insert into t1 (name) values ('Matt'), ('Lilu'), ('Corbin'), ('Carly'),
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('Suzy'), ('Hoppy'), ('Burrito'), ('Mimi'), ('Sherry'), ('Ben'), ('Phil'),
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('Emily'), ('Mike');
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insert into t2 select * from t1;
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explain select * from t1 where name='matt';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref heap_idx,btree_idx btree_idx 22 const 1 Using where
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explain select * from t2 where name='matt';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref btree_idx,heap_idx btree_idx 22 const 1 Using where
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explain select * from t1 where name='Lilu';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref heap_idx,btree_idx btree_idx 22 const 1 Using where
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explain select * from t2 where name='Lilu';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref btree_idx,heap_idx btree_idx 22 const 1 Using where
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explain select * from t1 where name='Phil';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref heap_idx,btree_idx btree_idx 22 const 1 Using where
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explain select * from t2 where name='Phil';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref btree_idx,heap_idx btree_idx 22 const 1 Using where
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explain select * from t1 where name='Lilu';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref heap_idx,btree_idx btree_idx 22 const 1 Using where
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explain select * from t2 where name='Lilu';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref btree_idx,heap_idx btree_idx 22 const 1 Using where
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insert into t1 (name) select name from t2;
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insert into t1 (name) select name from t2;
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insert into t1 (name) select name from t2;
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insert into t1 (name) select name from t2;
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insert into t1 (name) select name from t2;
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insert into t1 (name) select name from t2;
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flush tables;
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select count(*) from t1 where name='Matt';
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count(*)
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7
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explain select * from t1 ignore index (btree_idx) where name='matt';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref heap_idx heap_idx 22 const 7 Using where
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 id NULL 91 NULL NULL HASH
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t1 1 heap_idx 1 name NULL 13 NULL NULL HASH
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t1 1 btree_idx 1 name A NULL NULL NULL BTREE
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 id NULL 91 NULL NULL HASH
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t1 1 heap_idx 1 name NULL 13 NULL NULL HASH
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t1 1 btree_idx 1 name A NULL NULL NULL BTREE
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create table t3
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(
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a varchar(20) not null,
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b varchar(20) not null,
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key (a,b)
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) engine=heap;
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insert into t3 select name, name from t1;
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show index from t3;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t3 1 a 1 a NULL NULL NULL NULL HASH
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t3 1 a 2 b NULL 13 NULL NULL HASH
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show index from t3;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t3 1 a 1 a NULL NULL NULL NULL HASH
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t3 1 a 2 b NULL 13 NULL NULL HASH
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explain select * from t1 ignore key(btree_idx), t3 where t1.name='matt' and t3.a = concat('',t1.name) and t3.b=t1.name;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref heap_idx heap_idx 22 const 7 Using where
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1 SIMPLE t3 ref a a 44 func,const 7 Using where
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drop table t1, t2, t3;
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create temporary table t1 ( a int, index (a) ) engine=memory;
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insert into t1 values (1),(2),(3),(4),(5);
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select a from t1 where a in (1,3);
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a
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1
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3
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explain select a from t1 where a in (1,3);
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range a a 5 NULL 4 Using where
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drop table t1;
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End of 4.1 tests
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CREATE TABLE t1(col1 VARCHAR(32) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
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col2 VARCHAR(32) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
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UNIQUE KEY key1 USING HASH (col1, col2)) ENGINE=MEMORY;
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INSERT INTO t1 VALUES('A', 'A');
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INSERT INTO t1 VALUES('A ', 'A ');
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ERROR 23000: Duplicate entry 'A -A ' for key 'key1'
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DROP TABLE t1;
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CREATE TABLE t1(col1 VARCHAR(32) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
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col2 VARCHAR(32) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
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UNIQUE KEY key1 USING HASH (col1, col2)) ENGINE=MEMORY;
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INSERT INTO t1 VALUES('A', 'A');
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INSERT INTO t1 VALUES('A ', 'A ');
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ERROR 23000: Duplicate entry 'A -A ' for key 'key1'
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DROP TABLE t1;
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End of 5.0 tests
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