diff options
Diffstat (limited to 'mysql-test/r/heap.result')
| -rw-r--r-- | mysql-test/r/heap.result | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/mysql-test/r/heap.result b/mysql-test/r/heap.result index d3d16128ebd..3acd0d14118 100644 --- a/mysql-test/r/heap.result +++ b/mysql-test/r/heap.result @@ -1,41 +1,75 @@ +drop table if exists t1; +create table t1 (a int not null,b int not null, primary key (a)) type=heap comment="testing heaps" avg_row_length=100 min_rows=1 max_rows=100; +insert into t1 values(1,1),(2,2),(3,3),(4,4); +delete from t1 where a=1 or a=0; +show keys from t1; Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Comment t1 0 PRIMARY 1 a NULL NULL NULL NULL +select * from t1; a b 2 2 3 3 4 4 +select * from t1 where a=4; a b 4 4 +update t1 set b=5 where a=4; +update t1 set b=b+1 where a>=3; +replace t1 values (3,3); +select * from t1; a b 2 2 3 3 4 6 +alter table t1 add c int not null, add key (c,a); +drop table t1; +create table t1 (a int not null,b int not null, primary key (a)) type=heap comment="testing heaps"; +insert into t1 values(1,1),(2,2),(3,3),(4,4); +alter table t1 modify a int not null auto_increment, type=myisam, comment="new myisam table"; +select * from t1; a b 1 1 2 2 3 3 4 4 +drop table t1; +create table t1 (a int not null) type=heap; +insert into t1 values (869751),(736494),(226312),(802616); +select * from t1 where a > 736494; a 869751 802616 +alter table t1 add unique uniq_id(a); +select * from t1 where a > 736494; a 869751 802616 +select * from t1 where a = 736494; a 736494 +select * from t1 where a=869751 or a=736494; a 736494 869751 +select * from t1 where a in (869751,736494,226312,802616); a 226312 736494 802616 869751 +alter table t1 type=myisam; +explain select * from t1 where a in (869751,736494,226312,802616); table type possible_keys key key_len ref rows Extra t1 range uniq_id uniq_id 4 NULL 4 where used; Using index +drop table t1; +create table t1 (x int not null, y int not null, key x(x), unique y(y)) +type=heap; +insert into t1 values (1,1),(2,2),(1,3),(2,4),(2,5),(2,6); +select * from t1 where x=1; x y 1 3 1 1 +select * from t1,t1 as t2 where t1.x=t2.y; x y x y 1 1 1 1 2 2 2 2 @@ -43,11 +77,20 @@ x y x y 2 4 2 2 2 5 2 2 2 6 2 2 +explain select * from t1,t1 as t2 where t1.x=t2.y; table type possible_keys key key_len ref rows Extra t1 ALL x NULL NULL NULL 6 t2 eq_ref y y 4 t1.x 1 +drop table t1; +create table t1 (a int) type=heap; +insert into t1 values(1); +select max(a) from t1; max(a) 1 +drop table t1; +CREATE TABLE t1 ( a int not null default 0, b int not null default 0, key(a), key(b) ) TYPE=HEAP; +insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6); +select * from t1 where a=1; a b 1 6 1 5 @@ -55,6 +98,8 @@ a b 1 3 1 2 1 1 +insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6); +select * from t1 where a=1; a b 1 6 1 5 @@ -68,20 +113,55 @@ a b 1 3 1 2 1 1 +drop table t1; +create table t1 (id int unsigned not null, primary key (id)) type=HEAP; +insert into t1 values(1); +select max(id) from t1; max(id) 1 +insert into t1 values(2); +select max(id) from t1; max(id) 2 +replace into t1 values(1); +drop table t1; +create table t1 (n int) type=heap; +drop table t1; +create table t1 (n int) type=heap; +drop table if exists t1; +CREATE table t1(f1 int not null,f2 char(20) not +null,index(f2)) type=heap; +INSERT into t1 set f1=12,f2="bill"; +INSERT into t1 set f1=13,f2="bill"; +INSERT into t1 set f1=14,f2="bill"; +INSERT into t1 set f1=15,f2="bill"; +INSERT into t1 set f1=16,f2="ted"; +INSERT into t1 set f1=12,f2="ted"; +INSERT into t1 set f1=12,f2="ted"; +INSERT into t1 set f1=12,f2="ted"; +INSERT into t1 set f1=12,f2="ted"; +delete from t1 where f2="bill"; +select * from t1; f1 f2 16 ted 12 ted 12 ted 12 ted 12 ted +drop table t1; +create table t1 (btn char(10) not null, key(btn)) type=heap; +insert into t1 values ("hello"),("hello"),("hello"),("hello"),("hello"),("a"),("b"),("c"),("d"),("e"),("f"),("g"),("h"),("i"); +explain select * from t1 where btn like "q%"; table type possible_keys key key_len ref rows Extra t1 ALL btn NULL NULL NULL 14 where used +select * from t1 where btn like "q%"; btn +alter table t1 add column new_col char(1) not null, add key (btn,new_col), drop key btn; +update t1 set new_col=btn; +explain select * from t1 where btn="a"; table type possible_keys key key_len ref rows Extra t1 ALL btn NULL NULL NULL 14 where used +explain select * from t1 where btn="a" and new_col="a"; table type possible_keys key key_len ref rows Extra t1 ref btn btn 11 const,const 10 where used +drop table t1; |