mirror of
https://github.com/MariaDB/server.git
synced 2025-10-30 04:26:45 +03:00
e5bd740dea
Docs/manual.texi: Updated information about BDB tables. mysql-test/r/heap.result: Added test for HEAP bug mysql-test/t/heap.test: Added test for HEAP bug sql/field.cc: Fixed bug with HEAP tables sql/gen_lex_hash.cc: Smallare array
103 lines
3.3 KiB
Plaintext
103 lines
3.3 KiB
Plaintext
#
|
|
# Test of heap tables.
|
|
#
|
|
|
|
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 table status like "t1";
|
|
show keys from t1;
|
|
select * from t1;
|
|
select * from t1 where a=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;
|
|
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";
|
|
#show table status like "t1";
|
|
select * from t1;
|
|
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;
|
|
alter table t1 add unique uniq_id(a);
|
|
select * from t1 where a > 736494;
|
|
select * from t1 where a = 736494;
|
|
select * from t1 where a=869751 or a=736494;
|
|
select * from t1 where a in (869751,736494,226312,802616);
|
|
alter table t1 type=myisam;
|
|
explain select * from t1 where a in (869751,736494,226312,802616);
|
|
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;
|
|
select * from t1,t1 as t2 where t1.x=t2.y;
|
|
explain select * from t1,t1 as t2 where t1.x=t2.y;
|
|
drop table t1;
|
|
|
|
create table t1 (a int) type=heap;
|
|
insert into t1 values(1);
|
|
select max(a) from t1;
|
|
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;
|
|
insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6);
|
|
select * from t1 where a=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;
|
|
insert into t1 values(2);
|
|
select max(id) from t1;
|
|
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;
|
|
|
|
# Test of non unique index
|
|
|
|
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;
|
|
drop table t1;
|
|
|
|
#
|
|
# Test when using part key searches
|
|
#
|
|
|
|
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%";
|
|
select * from t1 where btn like "q%";
|
|
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";
|
|
explain select * from t1 where btn="a" and new_col="a";
|
|
drop table t1;
|