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Bug #6479 ALTER TABLE ... changing charset fails for TEXT columns Fix: use do_conv_blob rather than do_copy_blob if the column's character sets are different. sql/field_conv.cc: Bug #6479 ALTER TABLE ... changing charset fails for TEXT columns Fix: use do_conv_blob rather than do_copy_blob if the column's character sets are different. mysql-test/t/alter_table.test: Bug #6479 ALTER TABLE ... changing charset fails for TEXT columns Fix: use do_conv_blob rather than do_copy_blob if the column's character sets are different. mysql-test/r/alter_table.result: Bug #6479 ALTER TABLE ... changing charset fails for TEXT columns Fix: use do_conv_blob rather than do_copy_blob if the column's character sets are different.
338 lines
8.5 KiB
Text
338 lines
8.5 KiB
Text
#
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# Test of alter table
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#
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--disable_warnings
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drop table if exists t1,t2;
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drop database if exists mysqltest;
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--enable_warnings
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create table t1 (
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col1 int not null auto_increment primary key,
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col2 varchar(30) not null,
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col3 varchar (20) not null,
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col4 varchar(4) not null,
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col5 enum('PENDING', 'ACTIVE', 'DISABLED') not null,
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col6 int not null, to_be_deleted int);
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insert into t1 values (2,4,3,5,"PENDING",1,7);
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alter table t1
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add column col4_5 varchar(20) not null after col4,
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add column col7 varchar(30) not null after col5,
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add column col8 datetime not null, drop column to_be_deleted,
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change column col2 fourth varchar(30) not null after col3,
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modify column col6 int not null first;
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select * from t1;
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drop table t1;
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create table t1 (bandID MEDIUMINT UNSIGNED NOT NULL PRIMARY KEY, payoutID SMALLINT UNSIGNED NOT NULL);
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insert into t1 (bandID,payoutID) VALUES (1,6),(2,6),(3,4),(4,9),(5,10),(6,1),(7,12),(8,12);
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alter table t1 add column new_col int, order by payoutid,bandid;
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select * from t1;
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alter table t1 order by bandid,payoutid;
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select * from t1;
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drop table t1;
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# Check that pack_keys and dynamic length rows are not forced.
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CREATE TABLE t1 (
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GROUP_ID int(10) unsigned DEFAULT '0' NOT NULL,
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LANG_ID smallint(5) unsigned DEFAULT '0' NOT NULL,
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NAME varchar(80) DEFAULT '' NOT NULL,
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PRIMARY KEY (GROUP_ID,LANG_ID),
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KEY NAME (NAME));
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#show table status like "t1";
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ALTER TABLE t1 CHANGE NAME NAME CHAR(80) not null;
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SHOW FULL COLUMNS FROM t1;
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DROP TABLE t1;
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#
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# Test of ALTER TABLE ... ORDER BY
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#
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create table t1 (n int);
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insert into t1 values(9),(3),(12),(10);
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alter table t1 order by n;
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select * from t1;
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drop table t1;
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CREATE TABLE t1 (
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id int(11) unsigned NOT NULL default '0',
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category_id tinyint(4) unsigned NOT NULL default '0',
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type_id tinyint(4) unsigned NOT NULL default '0',
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body text NOT NULL,
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user_id int(11) unsigned NOT NULL default '0',
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status enum('new','old') NOT NULL default 'new',
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PRIMARY KEY (id)
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) ENGINE=MyISAM;
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ALTER TABLE t1 ORDER BY t1.id, t1.status, t1.type_id, t1.user_id, t1.body;
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DROP TABLE t1;
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#
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# The following combination found a hang-bug in MyISAM
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#
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CREATE TABLE t1 (AnamneseId int(10) unsigned NOT NULL auto_increment,B BLOB,PRIMARY KEY (AnamneseId)) engine=myisam;
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insert into t1 values (null,"hello");
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LOCK TABLES t1 WRITE;
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ALTER TABLE t1 ADD Column new_col int not null;
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UNLOCK TABLES;
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OPTIMIZE TABLE t1;
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DROP TABLE t1;
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#
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# Drop and add an auto_increment column
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#
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create table t1 (i int unsigned not null auto_increment primary key);
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insert into t1 values (null),(null),(null),(null);
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alter table t1 drop i,add i int unsigned not null auto_increment, drop primary key, add primary key (i);
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select * from t1;
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drop table t1;
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#
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# Bug #2628: 'alter table t1 rename mysqltest.t1' silently drops mysqltest.t1
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# if it exists
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#
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create table t1 (name char(15));
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insert into t1 (name) values ("current");
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create database mysqltest;
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create table mysqltest.t1 (name char(15));
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insert into mysqltest.t1 (name) values ("mysqltest");
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select * from t1;
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select * from mysqltest.t1;
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--error 1050
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alter table t1 rename mysqltest.t1;
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select * from t1;
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select * from mysqltest.t1;
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drop table t1;
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drop database mysqltest;
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#
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# Rights for renaming test (Bug #3270)
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#
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connect (root,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK);
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connection root;
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--disable_warnings
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create database mysqltest;
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--enable_warnings
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create table mysqltest.t1 (a int,b int,c int);
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grant all on mysqltest.t1 to mysqltest_1@localhost;
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connect (user1,localhost,mysqltest_1,,mysqltest,$MASTER_MYPORT,$MASTER_MYSOCK);
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connection user1;
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-- error 1142
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alter table t1 rename t2;
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connection root;
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revoke all privileges on mysqltest.t1 from mysqltest_1@localhost;
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delete from mysql.user where user=_binary'mysqltest_1';
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drop database mysqltest;
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#
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# ALTER TABLE ... ENABLE/DISABLE KEYS
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create table t1 (n1 int not null, n2 int, n3 int, n4 float,
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unique(n1),
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key (n1, n2, n3, n4),
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key (n2, n3, n4, n1),
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key (n3, n4, n1, n2),
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key (n4, n1, n2, n3) );
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alter table t1 disable keys;
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show keys from t1;
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#let $1=10000;
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let $1=10;
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while ($1)
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{
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eval insert into t1 values($1,RAND()*1000,RAND()*1000,RAND());
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dec $1;
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}
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alter table t1 enable keys;
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show keys from t1;
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drop table t1;
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#
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# Alter table and rename
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#
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create table t1 (i int unsigned not null auto_increment primary key);
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alter table t1 rename t2;
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alter table t2 rename t1, add c char(10) comment "no comment";
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show columns from t1;
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drop table t1;
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# implicit analyze
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create table t1 (a int, b int);
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let $1=100;
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while ($1)
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{
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eval insert into t1 values(1,$1), (2,$1), (3, $1);
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dec $1;
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}
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alter table t1 add unique (a,b), add key (b);
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show keys from t1;
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analyze table t1;
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show keys from t1;
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drop table t1;
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#
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# Test of ALTER TABLE DELAYED
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#
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CREATE TABLE t1 (i int(10), index(i) );
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ALTER TABLE t1 DISABLE KEYS;
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INSERT DELAYED INTO t1 VALUES(1),(2),(3);
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ALTER TABLE t1 ENABLE KEYS;
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drop table t1;
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#
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# Test that data get converted when character set is changed
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# Test that data doesn't get converted when src or dst is BINARY/BLOB
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#
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set names koi8r;
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create table t1 (a char(10) character set koi8r);
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insert into t1 values ('<27><><EFBFBD><EFBFBD>');
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select a,hex(a) from t1;
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alter table t1 change a a char(10) character set cp1251;
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select a,hex(a) from t1;
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alter table t1 change a a binary(10);
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select a,hex(a) from t1;
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alter table t1 change a a char(10) character set cp1251;
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select a,hex(a) from t1;
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alter table t1 change a a char(10) character set koi8r;
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select a,hex(a) from t1;
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alter table t1 change a a varchar(10) character set cp1251;
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select a,hex(a) from t1;
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alter table t1 change a a char(10) character set koi8r;
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select a,hex(a) from t1;
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alter table t1 change a a text character set cp1251;
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select a,hex(a) from t1;
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alter table t1 change a a char(10) character set koi8r;
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select a,hex(a) from t1;
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delete from t1;
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#
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# Test ALTER TABLE .. CHARACTER SET ..
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#
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show create table t1;
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alter table t1 DEFAULT CHARACTER SET latin1;
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show create table t1;
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alter table t1 CONVERT TO CHARACTER SET latin1;
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show create table t1;
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alter table t1 DEFAULT CHARACTER SET cp1251;
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show create table t1;
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drop table t1;
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#
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# Bug#2821
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# Test that table CHARACTER SET does not affect blobs
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#
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create table t1 (myblob longblob,mytext longtext)
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default charset latin1 collate latin1_general_cs;
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show create table t1;
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alter table t1 character set latin2;
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show create table t1;
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drop table t1;
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#
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# Test ALTER TABLE ENABLE/DISABLE keys when things are locked
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#
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CREATE TABLE t1 (
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Host varchar(16) binary NOT NULL default '',
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User varchar(16) binary NOT NULL default '',
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PRIMARY KEY (Host,User)
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) ENGINE=MyISAM;
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ALTER TABLE t1 DISABLE KEYS;
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LOCK TABLES t1 WRITE;
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INSERT INTO t1 VALUES ('localhost','root'),('localhost',''),('games','monty');
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SHOW INDEX FROM t1;
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ALTER TABLE t1 ENABLE KEYS;
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UNLOCK TABLES;
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CHECK TABLES t1;
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DROP TABLE t1;
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#
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# Test with two keys
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#
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CREATE TABLE t1 (
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Host varchar(16) binary NOT NULL default '',
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User varchar(16) binary NOT NULL default '',
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PRIMARY KEY (Host,User),
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KEY (Host)
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) ENGINE=MyISAM;
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ALTER TABLE t1 DISABLE KEYS;
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SHOW INDEX FROM t1;
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LOCK TABLES t1 WRITE;
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INSERT INTO t1 VALUES ('localhost','root'),('localhost','');
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SHOW INDEX FROM t1;
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ALTER TABLE t1 ENABLE KEYS;
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SHOW INDEX FROM t1;
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UNLOCK TABLES;
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CHECK TABLES t1;
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# Test RENAME with LOCK TABLES
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LOCK TABLES t1 WRITE;
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ALTER TABLE t1 RENAME t2;
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UNLOCK TABLES;
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select * from t2;
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DROP TABLE t2;
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#
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# Test disable keys with locking
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#
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CREATE TABLE t1 (
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Host varchar(16) binary NOT NULL default '',
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User varchar(16) binary NOT NULL default '',
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PRIMARY KEY (Host,User),
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KEY (Host)
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) ENGINE=MyISAM;
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LOCK TABLES t1 WRITE;
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ALTER TABLE t1 DISABLE KEYS;
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SHOW INDEX FROM t1;
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DROP TABLE t1;
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#
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# Bug 2361 (Don't drop UNIQUE with DROP PRIMARY KEY)
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#
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CREATE TABLE t1 (a int PRIMARY KEY, b INT UNIQUE);
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ALTER TABLE t1 DROP PRIMARY KEY;
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SHOW CREATE TABLE t1;
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--error 1091
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ALTER TABLE t1 DROP PRIMARY KEY;
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DROP TABLE t1;
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# BUG#3899
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create table t1 (a int, b int, key(a));
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insert into t1 values (1,1), (2,2);
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--error 1091
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alter table t1 drop key no_such_key;
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alter table t1 drop key a;
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drop table t1;
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#
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# BUG#4717 - check for valid table names
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#
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create table t1 (a int);
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--error 1103
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alter table t1 rename to `t1\\`;
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--error 1103
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rename table t1 to `t1\\`;
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drop table t1;
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#
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# Bug #6479 ALTER TABLE ... changing charset fails for TEXT columns
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#
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# The column's character set was changed but the actual data was not
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# modified. In other words, the values were reinterpreted
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# as UTF8 instead of being converted.
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create table t1 (a text) character set koi8r;
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insert into t1 values (_koi8r'<27><><EFBFBD><EFBFBD>');
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select hex(a) from t1;
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alter table t1 convert to character set cp1251;
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select hex(a) from t1;
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drop table t1;
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