path: root/mysql-test/t/key.test

--disable_warnings
drop table if exists t1,t2,t3;
--enable_warnings
SET SQL_WARNINGS=1;

#
# This failed for Elizabeth Mattijsen
#

CREATE TABLE t1 (
  ID CHAR(32) NOT NULL,
  name CHAR(32) NOT NULL,
  value CHAR(255),
  INDEX indexIDname (ID(8),name(8))
) ;

INSERT INTO t1 VALUES
('keyword','indexdir','/export/home/local/www/database/indexes/keyword');
INSERT INTO t1 VALUES ('keyword','urlprefix','text/ /text');
INSERT INTO t1 VALUES ('keyword','urlmap','/text/ /');
INSERT INTO t1 VALUES ('keyword','attr','personal employee company');
INSERT INTO t1 VALUES
('emailgids','indexdir','/export/home/local/www/database/indexes/emailgids');
INSERT INTO t1 VALUES ('emailgids','urlprefix','text/ /text');
INSERT INTO t1 VALUES ('emailgids','urlmap','/text/ /');
INSERT INTO t1 VALUES ('emailgids','attr','personal employee company');

SELECT value FROM t1 WHERE ID='emailgids' AND name='attr';

drop table t1;

#
# Problem with many key parts and many or
#

CREATE TABLE t1 (
  price int(5) DEFAULT '0' NOT NULL,
  area varchar(40) DEFAULT '' NOT NULL,
  type varchar(40) DEFAULT '' NOT NULL,
  transityes enum('Y','N') DEFAULT 'Y' NOT NULL,
  shopsyes enum('Y','N') DEFAULT 'Y' NOT NULL,
  schoolsyes enum('Y','N') DEFAULT 'Y' NOT NULL,
  petsyes enum('Y','N') DEFAULT 'Y' NOT NULL,
  KEY price (price,area,type,transityes,shopsyes,schoolsyes,petsyes)
);

INSERT INTO t1 VALUES (900,'Vancouver','Shared/Roomate','N','N','N','N');
INSERT INTO t1 VALUES (900,'Vancouver','Shared/Roomate','N','N','N','N');
INSERT IGNORE INTO t1 VALUES (900,'Vancouver','Shared/Roomate','','','','');
INSERT INTO t1 VALUES (900,'Vancouver','Shared/Roomate','Y','Y','Y','Y');
INSERT INTO t1 VALUES (900,'Vancouver','Shared/Roomate','Y','Y','Y','Y');
INSERT INTO t1 VALUES (900,'Vancouver','Shared/Roomate','Y','Y','Y','Y');
INSERT INTO t1 VALUES (900,'Vancouver','Shared/Roomate','Y','Y','Y','Y');
INSERT INTO t1 VALUES (900,'Vancouver','Shared/Roomate','Y','Y','Y','Y');

 SELECT * FROM t1 WHERE area='Vancouver' and transityes='y' and schoolsyes='y' and ( ((type='1 Bedroom' or type='Studio/Bach') and (price<=500)) or ((type='2 Bedroom') and (price<=550)) or ((type='Shared/Roomate') and (price<=300)) or ((type='Room and Board') and (price<=500)) ) and price <= 400;

drop table t1;

#
# No longer a problem with primary key
#

CREATE TABLE t1 (program enum('signup','unique','sliding') not null,  type enum('basic','sliding','signup'),  sites set('mt'),  PRIMARY KEY (program));
# This no longer give an error for wrong primary key
ALTER TABLE t1 modify program enum('signup','unique','sliding');
drop table t1;

#
# Test of compressed decimal index.
#

CREATE TABLE t1 (
  name varchar(50) DEFAULT '' NOT NULL,
  author varchar(50) DEFAULT '' NOT NULL,
  category decimal(10,0) DEFAULT '0' NOT NULL,
  email varchar(50),
  password varchar(50),
  proxy varchar(50),
  bitmap varchar(20),
  msg varchar(255),
  urlscol varchar(127),
  urlhttp varchar(127),
  timeout decimal(10,0),
  nbcnx decimal(10,0),
  creation decimal(10,0),
  livinguntil decimal(10,0),
  lang decimal(10,0),
  type decimal(10,0),
  subcat decimal(10,0),
  subtype decimal(10,0),
  reg char(1),
  scs varchar(255),
  capacity decimal(10,0),
  userISP varchar(50),
  CCident varchar(50) DEFAULT '' NOT NULL,
  PRIMARY KEY (name,author,category)
);
INSERT INTO t1 VALUES
('patnom','patauteur',0,'p.favre@cryo-networks.fr',NULL,NULL,'#p2sndnq6ae5g1u6t','essai salut','scol://195.242.78.119:patauteur.patnom',NULL,NULL,NULL,950036174,-882087474,NULL,3,0,3,'1','Pub/patnom/futur_divers.scs',NULL,'pat','CC1');
INSERT INTO t1 VALUES
('LeNomDeMonSite','Marc',0,'m.barilley@cryo-networks.fr',NULL,NULL,NULL,NULL,'scol://195.242.78.119:Marc.LeNomDeMonSite',NULL,NULL,NULL,950560434,-881563214,NULL,3,0,3,'1','Pub/LeNomDeMonSite/domus_hibere.scs',NULL,'Marq','CC1');
select * from t1 where name='patnom' and author='patauteur' and category=0;
drop table t1;

#
# Problem with search on partial index
#

create table t1
(
  name_id int not null auto_increment,
  name blob,
  INDEX name_idx (name(5)),
  primary key (name_id)
);

INSERT t1 VALUES(NULL,'/');
INSERT t1 VALUES(NULL,'[T,U]_axpby');         
SELECT * FROM t1 WHERE name='[T,U]_axpy';
SELECT * FROM t1 WHERE name='[T,U]_axpby';
create table t2
(
  name_id int not null auto_increment,
  name char(255) binary,
  INDEX name_idx (name(5)),
  primary key (name_id)
);
INSERT t2 select * from t1;
SELECT * FROM t2 WHERE name='[T,U]_axpy';
SELECT * FROM t2 WHERE name='[T,U]_axpby';
# Test possible problems with warnings in CREATE ... SELECT
CREATE TABLE t3 SELECT * FROM t2 WHERE name='[T,U]_axpby';
SELECT * FROM t2 WHERE name='[T,U]_axpby';

drop table t1,t2,t3;

#
# Test bug with long primary key
#

create table t1
(
   SEQNO                         numeric(12 ) not null,
   MOTYPEID                 numeric(12 ) not null,
   MOINSTANCEID     numeric(12 ) not null,
   ATTRID                       numeric(12 ) not null,
   VALUE                         varchar(120) not null,
   primary key (SEQNO, MOTYPEID, MOINSTANCEID, ATTRID, VALUE )
);
INSERT INTO t1 VALUES (1, 1, 1, 1, 'a'); 
INSERT INTO t1 VALUES (1, 1, 1, 1, 'b'); 
--error ER_DUP_ENTRY
INSERT INTO t1 VALUES (1, 1, 1, 1, 'a');
drop table t1;

#
# Test with blob + tinyint key
# (Failed for Greg Valure)
#

CREATE TABLE t1 (
  a tinytext NOT NULL,
  b tinyint(3) unsigned NOT NULL default '0',
  PRIMARY KEY (a(32),b)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('a',1),('a',2);
SELECT * FROM t1 WHERE a='a' AND b=2;
SELECT * FROM t1 WHERE a='a' AND b in (2);
SELECT * FROM t1 WHERE a='a' AND b in (1,2);
drop table t1;

#
# Test of create key order
#

create table t1 (a int not null unique, b int unique, c int, d int not null primary key, key(c), e int not null unique);
show keys from t1;
drop table t1;

#
# Problem with UNIQUE() with NULL parts and auto increment
#

CREATE TABLE t1 (c CHAR(10) NOT NULL,i INT NOT NULL AUTO_INCREMENT,
UNIQUE (c,i));
INSERT IGNORE INTO t1 (c) VALUES (NULL),(NULL);
SELECT * FROM t1;
INSERT INTO t1 (c) VALUES ('a'),('a');
SELECT * FROM t1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (c CHAR(10) NULL, i INT NOT NULL AUTO_INCREMENT,
UNIQUE (c,i));
INSERT INTO t1 (c) VALUES (NULL),(NULL);
SELECT * FROM t1;
INSERT INTO t1 (c) VALUES ('a'),('a');
SELECT * FROM t1;
drop table t1;

#
# longer keys
#
create table t1 (i int, a char(200), b text, unique (a), unique (b(300))) charset utf8;
insert ignore t1 values (1, repeat('a',210), repeat('b', 310));
insert ignore t1 values (2, repeat(0xD0B1,215), repeat(0xD0B1, 310));
select i, length(a), length(b), char_length(a), char_length(b) from t1;
select i from t1 where a=repeat(_utf8 'a',200);
select i from t1 where a=repeat(_utf8 0xD0B1,200);
select i from t1 where b=repeat(_utf8 'b',310);
drop table t1;

#
# Test of key read with primary key (Bug #3497)
#

CREATE TABLE t1 (id int unsigned auto_increment, name char(50), primary key (id)) engine=myisam;
insert into t1 (name) values ('a'), ('b'),('c'),('d'),('e'),('f'),('g');
explain select 1 from t1 where id =2;
explain select 1 from t1 where id =2 or id=3;
explain select name from t1 where id =2;
ALTER TABLE t1 DROP PRIMARY KEY, ADD INDEX (id);
explain select 1 from t1 where id =2;
drop table t1;

#
# Test of problem with key read (Bug #3666)
#

CREATE TABLE t1 (numeropost mediumint(8) unsigned NOT NULL default '0', numreponse int(10) unsigned NOT NULL auto_increment, PRIMARY KEY (numeropost,numreponse), UNIQUE KEY numreponse (numreponse));
INSERT INTO t1 (numeropost,numreponse) VALUES ('1','1'),('1','2'),('2','3'),('2','4');
SELECT numeropost FROM t1 WHERE numreponse='1';
EXPLAIN SELECT numeropost FROM t1 WHERE numreponse='1';
FLUSH TABLES;
SELECT numeropost FROM t1 WHERE numreponse='1';
drop table t1;

#
# UNIQUE prefix keys and multi-byte charsets
#

create table t1 (c varchar(30) character set utf8, t text character set utf8, unique (c(2)), unique (t(3))) engine=myisam;
show create table t1;
insert t1 values ('cccc', 'tttt'),
  (0xD0B1212223D0B1D0B1D0B1D0B1D0B1, 0xD0B1D0B1212223D0B1D0B1D0B1D0B1),
  (0xD0B1222123D0B1D0B1D0B1D0B1D0B1, 0xD0B1D0B1222123D0B1D0B1D0B1D0B1);
--error ER_DUP_ENTRY
insert t1 (c) values ('cc22');
--error ER_DUP_ENTRY
insert t1 (t) values ('ttt22');
--error ER_DUP_ENTRY
insert t1 (c) values (0xD0B1212322D0B1D0B1D0B1D0B1D0B1);
--error ER_DUP_ENTRY
insert t1 (t) values (0xD0B1D0B1212322D0B1D0B1D0B1D0B1);
select c from t1 where c='cccc';
select t from t1 where t='tttt';
select c from t1 where c=0xD0B1212223D0B1D0B1D0B1D0B1D0B1;
select t from t1 where t=0xD0B1D0B1212223D0B1D0B1D0B1D0B1;
drop table t1;

#
# BUG#6151 - myisam index corruption
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
  c1 int,
  c2 varbinary(240),
  UNIQUE KEY (c1),
  KEY (c2)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,'\Z\Z\Z\Z');
INSERT INTO t1 VALUES (2,'\Z\Z\Z\Z\Z\Z');
INSERT INTO t1 VALUES (3,'\Z\Z\Z\Z');
select c1 from t1 where c2='\Z\Z\Z\Z';
DELETE FROM t1 WHERE (c1 = 1);
check table t1;
select c1 from t1 where c2='\Z\Z\Z\Z';
DELETE FROM t1 WHERE (c1 = 3);
check table t1;
select c1 from t1 where c2='\Z\Z\Z\Z';

#
# test delete of keys in a different order
#
truncate table t1;
insert into t1 values(1,"aaaa"),(2,"aaab"),(3,"aaac"),(4,"aaccc");
delete from t1 where c1=3;
delete from t1 where c1=1;
delete from t1 where c1=4;
check table t1;

drop table t1;

#
# Bug 6166: index prefix length of 0 not rejected
#
# this test should fail in 5.0
# to fix it, remove #ifdef in 
# file sql_yacc.yy(key_part)
# create dedicated error code for this and
# and change my_printf_error() to my_error

--error 1391
create table t1 (c char(10), index (c(0)));

#
# Bug #6126: Duplicate columns in keys should fail
# Bug #6252: (dup)
#
--error 1060
create table t1 (c char(10), index (c,c));
--error 1060
create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1));
--error 1060
create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2));
--error 1060
create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1));
create table t1 (c1 char(10), c2 char(10));
--error 1060
alter table t1 add key (c1,c1);
--error 1060
alter table t1 add key (c2,c1,c1);
--error 1060
alter table t1 add key (c1,c2,c1);
--error 1060
alter table t1 add key (c1,c1,c2);
drop table t1;

#
# Bug#11228: DESC shows arbitrary column as "PRI"
#
create table t1 (
 i1 INT NOT NULL,
 i2 INT NOT NULL,
 UNIQUE i1idx (i1),
 UNIQUE i2idx (i2));
desc t1;
show create table t1;
drop table t1;

#
# Bug#12565 - ERROR 1034 when running simple UPDATE or DELETE 
#             on large MyISAM table
#
create table t1 (
  c1 int,
  c2 varchar(20) not null,
  primary key (c1),
  key (c2(10))
) engine=myisam;
insert into t1 values (1,'');
insert into t1 values (2,' \t\tTest String');
insert into t1 values (3,' \n\tTest String');
update t1 set c2 = 'New Test String' where c1 = 1;
select * from t1;
drop table t1;

#
# If we use a partial field for a key that is actually the length of the
# field, and we extend the field, we end up with a key that includes the
# whole new length of the field.
#
create table t1 (a varchar(10), b varchar(10), key(a(10),b(10)));
show create table t1;
alter table t1 modify b varchar(20);
show create table t1;
alter table t1 modify a varchar(20);
show create table t1;
drop table t1;

#
# Bug #11227: Incorrectly reporting 'MUL' vs. 'UNI' on varchar
#
create table t1 (a int not null primary key, b varchar(20) not null unique);
desc t1;
drop table t1;
create table t1 (a int not null primary key, b int not null unique);
desc t1;
drop table t1;
create table t1 (a int not null primary key, b varchar(20) not null, unique (b(10)));
desc t1;
drop table t1;
create table t1 (a int not null primary key, b varchar(20) not null, c varchar(20) not null, unique(b(10),c(10)));
desc t1;
drop table t1;

# End of 4.1 tests

#
# WL#1563 - Modify MySQL to support on-line CREATE/DROP INDEX
# To test if this really works, you need to run with --debug
# and check the trace file.
#
# Create a table with named and unnamed indexes.
create table t1 (
    c1 int,
    c2 char(12),
    c3 varchar(123),
    c4 timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    index (c1),
    index i1 (c1),
    index i2 (c2),
    index i3 (c3),
    unique i4 (c4),
    index i5 (c1, c2, c3, c4),
    primary key (c2, c3),
    index (c2, c4));
show create table t1;
# Some simple tests.
alter table t1 drop index c1;
alter table t1 add index (c1);
# This creates index 'c1_2'.
alter table t1 add index (c1);
alter table t1 drop index i3;
alter table t1 add index i3 (c3);
# Two indexes at the same time.
alter table t1 drop index i2, drop index i4;
alter table t1 add index i2 (c2), add index i4 (c4);
# Three indexes, one of them reversely.
alter table t1 drop index i2, drop index i4, add index i6 (c2, c4);
alter table t1 add index i2 (c2), add index i4 (c4), drop index i6;
# include an unique index.
alter table t1 drop index i2, drop index i4, add unique i4 (c4);
alter table t1 add index i2 (c2), drop index i4, add index i4 (c4);
# Modify an index by changing its definition.
alter table t1 drop index c2, add index (c2(4),c3(7));
# Change nothing. The new key definition is the same as the old one.
alter table t1 drop index c2, add index (c2(4),c3(7));
# Test primary key handling.
alter table t1 add primary key (c1, c2), drop primary key;
alter table t1 drop primary key;
# Drop is checked first. Primary key must exist.
--error 1091
alter table t1 add primary key (c1, c2), drop primary key;
show create table t1;
# Insert non-unique values.
insert into t1 values(1, 'a', 'a', NULL);
insert into t1 values(1, 'b', 'b', NULL);
# Drop some indexes for new adds.
alter table t1 drop index i3, drop index i2, drop index i1;
# Add indexes, one is unique on non-unique values.
--error ER_DUP_ENTRY
alter table t1 add index i3 (c3), add index i2 (c2), add unique index i1 (c1);
drop table t1;


#
# Bug #20604: Test for disabled keys with aggregate functions and FORCE INDEX.
#

CREATE TABLE t1( a TINYINT, KEY(a) ) ENGINE=MyISAM;
INSERT INTO t1 VALUES( 1 );
ALTER TABLE t1 DISABLE KEYS;
EXPLAIN SELECT MAX(a) FROM t1 FORCE INDEX(a);

drop table t1;

#
# Bug #24778: Innodb: No result when using ORDER BY
#
CREATE TABLE t1 (
  a INTEGER auto_increment PRIMARY KEY,
  b INTEGER NOT NULL,
  c INTEGER NOT NULL,
  d CHAR(64)
);

CREATE TABLE t2 (
  a INTEGER auto_increment PRIMARY KEY,
  b INTEGER NOT NULL,
  c SMALLINT NOT NULL,
  d DATETIME NOT NULL,
  e SMALLINT NOT NULL,
  f INTEGER NOT NULL,
  g INTEGER NOT NULL,  
  h SMALLINT NOT NULL,
  i INTEGER NOT NULL,
  j INTEGER NOT NULL,
  UNIQUE INDEX (b),
  INDEX (b, d, e, f, g, h, i, j, c),
  INDEX (c)
);

INSERT INTO t2 VALUES 
  (NULL, 1, 254, '1000-01-01 00:00:00', 257, 0, 0, 0, 0, 0),
  (NULL, 2, 1, '2004-11-30 12:00:00', 1, 0, 0, 0, 0, 0),
  (NULL, 3, 1, '2004-11-30 12:00:00', 1, 0, 0, 2, -21600, 0),
  (NULL, 4, 1, '2004-11-30 12:00:00', 1, 0, 0, 2, -10800, 0),
  (NULL, 5, 1, '2004-11-30 12:00:00', 1, 0, 0, 5, -10800, 0),
  (NULL, 6, 1, '2004-11-30 12:00:00', 102, 0, 0, 0, 0, 0),
  (NULL, 7, 1, '2004-11-30 12:00:00', 105, 2, 0, 0, 0, 0),
  (NULL, 8, 1, '2004-11-30 12:00:00', 105, 10, 0, 0, 0, 0);

INSERT INTO t1 (b, c, d) VALUES
  (3388000, -553000, NULL),
  (3388000, -553000, NULL);

SELECT *
FROM t2 c JOIN t1 pa ON c.b = pa.a 
WHERE c.c = 1
ORDER BY c.b, c.d
;

DROP TABLE t1, t2;

#
# Bug #31137: Assertion failed: primary_key_no == -1 || primary_key_no == 0
#
create table t1(a int not null, key aa(a), 
                b char(10) not null, unique key bb(b(1)), 
                c char(4) not null, unique key cc(c)); 
desc t1;
show create table t1;
drop table t1;
create table t1(a int not null, key aa(a), 
                b char(10) not null, unique key bb(b(1)),
                c char(4) not null);
desc t1;
alter table t1 add unique key cc(c);
desc t1;
show create table t1;
drop table t1;

--echo End of 5.0 tests

#
# Bug #31148: bool close_thread_table(THD*, TABLE**): Assertion
# `table->key_read == 0' failed.
#

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (a INT PRIMARY KEY AUTO_INCREMENT);

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

SELECT 1 AS c1
FROM t1
ORDER BY (
  SELECT 1 AS c2
  FROM t1
  GROUP BY GREATEST(LAST_INSERT_ID(), t1.a) ASC
  LIMIT 1);

DROP TABLE t1;


#
# Bug #31974: Wrong EXPLAIN output
#

CREATE TABLE t1 (a INT, b INT, INDEX (a,b));
INSERT INTO t1 (a, b)
   VALUES
     (1,1), (1,2), (1,3), (1,4), (1,5),
     (2,2), (2,3), (2,1), (3,1), (4,1), (4,2), (4,3), (4,4), (4,5), (4,6);
EXPLAIN SELECT 1 FROM t1 AS t1_outer WHERE 
  (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) > 12;
SELECT 1 as RES FROM t1 AS t1_outer WHERE 
  (SELECT max(b) FROM t1 GROUP BY a HAVING a < 2) > 12;

DROP TABLE t1;

--echo #
--echo # Bug#18144: Cost with FORCE/USE index seems incorrect in some cases.
--echo #
--echo # We are interested in showing that the cost for the last plan is higher
--echo # than for the preceding two plans.
--echo #
CREATE TABLE t1( a INT, b INT, KEY( a ) );  
INSERT INTO t1 values (1, 2), (1, 3), (2, 3), (2, 4), (3, 4), (3, 5);

EXPLAIN SELECT a, SUM( b ) FROM t1 GROUP BY a;
SHOW STATUS LIKE 'Last_query_cost';

EXPLAIN SELECT a, SUM( b ) FROM t1 USE INDEX( a ) GROUP BY a;
SHOW STATUS LIKE 'Last_query_cost';

EXPLAIN SELECT a, SUM( b ) FROM t1 FORCE INDEX( a ) GROUP BY a;
SHOW STATUS LIKE 'Last_query_cost';

DROP TABLE t1;