~drizzle-trunk/drizzle/development

#

# Test of heap tables.

#

--disable_warnings

drop table if exists t1,t2;

--enable_warnings

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;

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 using HASH (c,a);

drop table t1;

create table t1 (a int not null,b int not null, primary key using HASH (a)) engine=heap comment="testing heaps";

insert into t1 values(1,1),(2,2),(3,3),(4,4);

delete from t1 where a > 0;

select * from t1;

drop table t1;

create table t1 (a int not null,b int not null, primary key using HASH (a)) engine=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, engine=myisam, comment="new myisam table";

#show table status like "t1";

select * from t1;

drop table t1;

create table t1 (a int not null) engine=heap;

insert into t1 values (869751),(736494),(226312),(802616),(728912);

select * from t1 where a > 736494;

alter table t1 add unique uniq_id using HASH (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 engine=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  using HASH (x), unique y  using HASH (y))

engine=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) engine=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  using HASH (a),  key  using HASH (b)  ) ENGINE=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  using HASH (id)) engine=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) engine=heap;

drop table t1;

create table t1 (n int) engine=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)) engine=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 using HASH (btn)) engine=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 using HASH (btn,new_col), drop key btn;

update t1 set new_col=left(btn,1);

explain select * from t1 where btn="a";

explain select * from t1 where btn="a" and new_col="a";

drop table t1;

#

# Test of NULL keys

#

CREATE TABLE t1 (

  a int default NULL,

  b int default NULL,

  KEY a using HASH (a),

  UNIQUE b using HASH (b)

) engine=heap;

INSERT INTO t1 VALUES (NULL,99),(99,NULL),(1,1),(2,2),(1,3);

SELECT * FROM t1 WHERE a=NULL;

explain SELECT * FROM t1 WHERE a IS NULL;

SELECT * FROM t1 WHERE a<=>NULL;

SELECT * FROM t1 WHERE b=NULL;

explain SELECT * FROM t1 WHERE b IS NULL;

SELECT * FROM t1 WHERE b<=>NULL;

--error ER_DUP_ENTRY

INSERT INTO t1 VALUES (1,3);

DROP TABLE t1;

#

# Test when deleting all rows

#

CREATE TABLE t1 (a int not null, primary key using HASH (a)) engine=heap;

INSERT into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11);

DELETE from t1 where a < 100;

SELECT * from t1;

DROP TABLE t1;

#

# Hash index # records estimate test

#

create table t1

(

  a char(8) not null,

  b char(20) not null,

  c int not null,

  key (a)

) engine=heap;

insert into t1 values ('aaaa', 'prefill-hash=5',0);

insert into t1 values ('aaab', 'prefill-hash=0',0);

insert into t1 values ('aaac', 'prefill-hash=7',0);

insert into t1 values ('aaad', 'prefill-hash=2',0);

insert into t1 values ('aaae', 'prefill-hash=1',0);

insert into t1 values ('aaaf', 'prefill-hash=4',0);

insert into t1 values ('aaag', 'prefill-hash=3',0);

insert into t1 values ('aaah', 'prefill-hash=6',0);

explain select * from t1 where a='aaaa';

explain select * from t1 where a='aaab';

explain select * from t1 where a='aaac';

explain select * from t1 where a='aaad';

insert into t1 select * from t1;

# avoid statistics differences between normal and ps-protocol tests

flush tables;

explain select * from t1 where a='aaaa';

explain select * from t1 where a='aaab';

explain select * from t1 where a='aaac';

explain select * from t1 where a='aaad';

# a known effect: table reload causes statistics to be updated:

flush tables;

explain select * from t1 where a='aaaa';

explain select * from t1 where a='aaab';

explain select * from t1 where a='aaac';

explain select * from t1 where a='aaad';

# Check if delete_all_rows() updates #hash_buckets

create table t2 as select * from t1;

delete from t1;

insert into t1 select * from t2;

explain select * from t1 where a='aaaa';

explain select * from t1 where a='aaab';

explain select * from t1 where a='aaac';

explain select * from t1 where a='aaad';

drop table t1, t2;

# Btree and hash index use costs. 

create table t1 (

  id int unsigned not null primary key auto_increment, 

  name varchar(20) not null,

  index heap_idx(name),

  index btree_idx using btree(name)

) engine=heap;

create table t2 (

  id int unsigned not null primary key auto_increment, 

  name varchar(20) not null,

  index btree_idx using btree(name),

  index heap_idx(name)

) engine=heap;

insert into t1 (name) values ('Matt'), ('Lilu'), ('Corbin'), ('Carly'), 

  ('Suzy'), ('Hoppy'), ('Burrito'), ('Mimi'), ('Sherry'), ('Ben'), ('Phil'), 

  ('Emily'), ('Mike');

insert into t2 select * from t1;

explain select * from t1 where name='matt';

explain select * from t2 where name='matt';

explain select * from t1 where name='Lilu';

explain select * from t2 where name='Lilu';

explain select * from t1 where name='Phil';

explain select * from t2 where name='Phil';

explain select * from t1 where name='Lilu';

explain select * from t2 where name='Lilu';

insert into t1 (name) select name from t2;

insert into t1 (name) select name from t2;

insert into t1 (name) select name from t2;

insert into t1 (name) select name from t2;

insert into t1 (name) select name from t2;

insert into t1 (name) select name from t2;

flush tables;

select count(*) from t1 where name='Matt';

explain select * from t1 ignore index (btree_idx) where name='matt';

show index from t1;

show index from t1;

create table t3

(

  a varchar(20) not null,

  b varchar(20) not null,

  key (a,b)

) engine=heap;

insert into t3 select name, name from t1;

show index from t3;

show index from t3;

# test rec_per_key use for joins.

explain select * from t1 ignore key(btree_idx), t3 where t1.name='matt' and t3.a = concat('',t1.name) and t3.b=t1.name;

drop table t1, t2, t3;

# Fix for BUG#8371: wrong rec_per_key value for hash index on temporary table

create temporary table t1 ( a int, index (a) ) engine=memory;

insert into t1 values (1),(2),(3),(4),(5);

select a from t1 where a in (1,3);

explain select a from t1 where a in (1,3);

drop table t1;

--echo End of 4.1 tests

#

# Bug #27643: query failed : 1114 (The table '' is full)

#

# Check that HASH indexes disregard trailing spaces when comparing 

# strings with binary collations

CREATE TABLE t1(col1 VARCHAR(32) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL, 

                col2 VARCHAR(32) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL, 

                UNIQUE KEY key1 USING HASH (col1, col2)) ENGINE=MEMORY;

INSERT INTO t1 VALUES('A', 'A');

--error ER_DUP_ENTRY

INSERT INTO t1 VALUES('A ', 'A ');

DROP TABLE t1;

CREATE TABLE t1(col1 VARCHAR(32) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL, 

                col2 VARCHAR(32) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL, 

                UNIQUE KEY key1 USING HASH (col1, col2)) ENGINE=MEMORY;

INSERT INTO t1 VALUES('A', 'A');

--error ER_DUP_ENTRY

INSERT INTO t1 VALUES('A ', 'A ');

DROP TABLE t1;

--echo End of 5.0 tests