-- source include/have_innodb.inc

#display current value of innodb_use_sys_malloc
SELECT @@GLOBAL.innodb_use_sys_malloc;
--echo 1 Expected

#try changing it. Should fail.
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@GLOBAL.innodb_use_sys_malloc=0;
--echo Expected error 'Read only variable'

SELECT @@GLOBAL.innodb_use_sys_malloc;
--echo 1 Expected


# Do some stuff to see if it works.
# Also, test the code paths of
# Bug #12699505 MEMORY LEAK IN ROW_CREATE_INDEX_FOR_MYSQL()
# (the leak would only be triggered if
# ha_innobase::max_supported_key_part_length() were set
# higher than the limit used in row_create_index_for_mysql())

--error ER_DUP_FIELDNAME
create table t1(a int not null,key(a,a)) engine=innodb DEFAULT CHARSET=latin1;
# thanks to --innodb-large-prefix=1 this will not be truncated to b(767)
-- error ER_INDEX_COLUMN_TOO_LONG
create table t1(a int,b text,key(b(768))) engine=innodb DEFAULT CHARSET=latin1;
create table t1(a int not null,b text) engine=innodb DEFAULT CHARSET=latin1;
insert into t1 values (1,''),(2,''),(3,''),(4,''),(5,''),(6,''),(7,'');
--error ER_DUP_FIELDNAME
create index t1aa on t1(a,a);
-- error ER_INDEX_COLUMN_TOO_LONG
create index t1b on t1(b(768));
SHOW CREATE TABLE t1;
select * from t1;

drop table t1;
CREATE TABLE t2(a int primary key, b text) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t2 VALUES (1,''),(2,''),(3,''),(4,''),(5,''),(6,''),(7,'');
--error ER_DUP_FIELDNAME
CREATE INDEX t2aa on t2(a,a);
-- error ER_INDEX_COLUMN_TOO_LONG
CREATE INDEX t2b on t2(b(768));
SELECT * FROM t2;
DROP TABLE t2;
