mariadb/mysql-test/t/symlink.test

-- require r/have_symlink.require
disable_query_log;
show variables like "have_symlink";
enable_query_log;

--disable_warnings
drop table if exists t1,t2,t7,t8,t9;
drop database if exists mysqltest;
--enable_warnings

#
# First create little data to play with
#

create table t1 (a int not null auto_increment, b char(16) not null, primary key (a));
create table t2 (a int not null auto_increment, b char(16) not null, primary key (a));
insert into t1 (b) values ("test"),("test1"),("test2"),("test3");
insert into t2 (b) select b from t1;
insert into t1 (b) select b from t2;
insert into t2 (b) select b from t1;
insert into t1 (b) select b from t2;
insert into t2 (b) select b from t1;
insert into t1 (b) select b from t2;
insert into t2 (b) select b from t1;
insert into t1 (b) select b from t2;
insert into t2 (b) select b from t1;
insert into t1 (b) select b from t2;
insert into t2 (b) select b from t1;
insert into t1 (b) select b from t2;
insert into t2 (b) select b from t1;
insert into t1 (b) select b from t2;
insert into t2 (b) select b from t1;
insert into t1 (b) select b from t2;
insert into t2 (b) select b from t1;
insert into t1 (b) select b from t2;
drop table t2;

#
# Start the test
# We use t9 here to not crash with tables generated by the backup test
# 

disable_query_log;
eval create table t9 (a int not null auto_increment, b char(16) not null, primary key (a)) engine=myisam data directory="$MYSQL_TEST_DIR/var/tmp" index directory="$MYSQL_TEST_DIR/var/run";
enable_query_log;

insert into t9 select * from t1;
check table t9;
optimize table t9;
repair table t9;
alter table t9 add column c int not null;
--replace_result $MYSQL_TEST_DIR TEST_DIR
show create table t9;

# Test renames
alter table t9 rename t8, add column d int not null;
alter table t8 rename t7;
rename table t7 to t9;
# Drop old t1 table, keep t9
drop table t1;

#
# Test error handling
# Note that we are using the above table t9 here!
#

disable_query_log;
--error 1103,1103
create table t1 (a int not null auto_increment, b char(16) not null, primary key (a)) engine=myisam data directory="tmp";

# Check that we cannot link over a table from another database.

create database mysqltest;

--error 1,1
create table mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) engine=myisam index directory="/this-dir-does-not-exist";

--error 1103,1103
create table mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) engine=myisam index directory="not-hard-path";

--error 1,1
eval create table mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) engine=myisam index directory="$MYSQL_TEST_DIR/var/run";

--error 1,1
eval create table mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) engine=myisam data directory="$MYSQL_TEST_DIR/var/tmp";
enable_query_log;

# Check moving table t9 from default database to mysqltest;
# In this case the symlinks should be removed.

alter table t9 rename mysqltest.t9;
select count(*) from mysqltest.t9;
--replace_result $MYSQL_TEST_DIR TEST_DIR
show create table mysqltest.t9;
drop database mysqltest;

#
# Test changing data dir (Bug #1662)
#

create table t1 (a int not null) engine=myisam;
disable_query_log;
eval alter table t1 data directory="$MYSQL_TEST_DIR/var/tmp";
enable_query_log;
--replace_result $MYSQL_TEST_DIR TEST_DIR
show create table t1;
alter table t1 add b int;
disable_query_log;
eval alter table t1 data directory="$MYSQL_TEST_DIR/var/log";
enable_query_log;
--replace_result $MYSQL_TEST_DIR TEST_DIR
show create table t1;
disable_query_log;
eval alter table t1 index directory="$MYSQL_TEST_DIR/var/log";
enable_query_log;
show create table t1;
drop table t1;