# Save the initial number of concurrent sessions
--source include/count_sessions.inc

connect (con1,localhost,root,,);
connect (con2,localhost,root,,);
connection con1;
--disable_warnings
drop table if exists t1,t2;
drop view if exists v1;
--enable_warnings

# Add a lot of keys to slow down check
create table t1(n int not null, key(n), key(n), key(n), key(n));
let $1=10000;
--disable_query_log
begin;
while ($1)
{
 eval insert into t1 values ($1);
 dec $1;
}
commit;
--enable_query_log
send check table t1 extended;
connection con2;
insert into t1 values (200000);
connection con1;
reap;
connection default;
disconnect con1;
disconnect con2;
drop table t1;


# End of 4.1 tests

#
# Bug#9897 Views: 'Check Table' crashes MySQL, with a view and a table
#          in the statement
#
Create table t1(f1 int);
Create table t2(f1 int);
Create view v1 as Select * from t1;
Check Table v1,t2;
drop view v1;
drop table t1, t2;


#
# Bug#26325 TEMPORARY TABLE "corrupt" after first read, according to CHECK TABLE
#
CREATE TEMPORARY TABLE t1(a INT);
CHECK TABLE t1;
REPAIR TABLE t1;
DROP TABLE t1;


--echo #
--echo # Bug#56422 CHECK TABLE run when the table is locked reports corruption
--echo #           along with timeout
--echo #

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

CREATE TABLE t1(a INT);
LOCK TABLE t1 WRITE;

connect(con1, localhost, root);
SET lock_wait_timeout= 1;
CHECK TABLE t1;

connection default;
UNLOCK TABLES;
DROP TABLE t1;
disconnect con1;


# Wait till we reached the initial number of concurrent sessions
--source include/wait_until_count_sessions.inc

--echo #
--echo # MDEV-15338
--echo # Assertion `!table || (!table->read_set ||
--echo # bitmap_is_set(table->read_set, field_index))'
--echo # failed on dropping column with CHECK
--echo #

CREATE TABLE t1 (a INT, b INT, CHECK (a>0)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,2),(3,4);
ALTER TABLE t1 DROP COLUMN a;
CREATE OR REPLACE TABLE t1 (a INT, b INT, CHECK (a>0)) ENGINE=MyISAM;
ALTER TABLE t1 DROP COLUMN b;
CREATE OR REPLACE TABLE t1 (a INT, b INT, c INT, CHECK (a+b>0)) ENGINE=MyISAM;
--error ER_BAD_FIELD_ERROR
ALTER TABLE t1 DROP COLUMN b;
ALTER TABLE t1 DROP COLUMN a, DROP COLUMN b;
CREATE OR REPLACE TABLE t1 (a INT, b INT, c INT, CHECK (a+b>0)) ENGINE=MyISAM;
ALTER TABLE t1 DROP CONSTRAINT `CONSTRAINT_1`;
SHOW CREATE TABLE t1;
CREATE OR REPLACE TABLE t1 (a INT, b INT, c INT, CHECK (a+b>0)) ENGINE=MyISAM;
ALTER TABLE t1 DROP COLUMN b, DROP CONSTRAINT `CONSTRAINT_1`;
SHOW CREATE TABLE t1;
DROP TABLE t1;

#
# MDEV-16903 Assertion `!auto_increment_field_not_null' failed in TABLE::init after unsuccessful attempt to add CHECK constraint on temporary table
#
create temporary table t1 (
  id int not null auto_increment primary key,
  f int not null default 0
);
insert into t1 () values ();
alter ignore table t1 add constraint check (f > 0);
alter table t1;
drop table t1;

#
# MDEV-16905 ASAN heap-use-after-free in __interceptor_strnlen / ... / TABLE::verify_constraints upon INSERT into temporary table with CHECK constraint
#
create temporary table t1 (a int default 0, check (a > 0));
alter table t1 drop constraint if exists non_existing_constraint;
--error ER_CONSTRAINT_FAILED
insert into t1 () values ();
drop table t1;