--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
#Enabling valgrind only when this test is run with big test suite
--source include/no_valgrind_without_big.inc

--echo #
--echo # Bug #23070734	CONCURRENT TRUNCATE TABLES CAUSE STALLS
--echo #

--echo Test_1 :- Check if DDL operations are possible on
--echo		 table being truncated. Also check if
--echo		 DDL operations on other tables succeed.

create table t1 (f1 int,f2 int,key(f2),f3 int) engine=innodb;
create index idx1 on t1(f3);
create table t2 (f1 int,f2 int,key(f2),f3 int) engine=innodb;
create table t3 (f1 int,f2 int,key(f2)) engine=innodb;

insert into t1 values (10,20,30),(30,40,50),(50,60,70);
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t2 values (10,20,30),(30,40,50),(50,60,70);

insert into t2 select * from t2;
insert into t2 select * from t2;
insert into t2 select * from t2;

insert into t3 values (10,20),(30,40),(50,50);
insert into t3 select * from t3;
insert into t3 select * from t3;

SET session lock_wait_timeout = 1;
show variables like 'lock_wait_timeout%';

connect (con1,localhost,root,,);
connect (con2,localhost,root,,);

--echo connection 1
connection con1;
SET DEBUG_SYNC= 'simulate_buffer_pool_scan SIGNAL opened WAIT_FOR finish_scan';
--send truncate table t1;

--echo connection default
connection default;
SET DEBUG_SYNC= 'now WAIT_FOR opened';

--echo Check Analyze table. Gives lock time out error.
analyze table t1;

--echo Check if we can turn off auto recalculation.
--error ER_LOCK_WAIT_TIMEOUT
alter table t1 STATS_AUTO_RECALC=0;

--echo Check if we can turn off persistent stats on the table
--error ER_LOCK_WAIT_TIMEOUT
alter table t1 STATS_PERSISTENT=0;

--echo Check if DML is possible on table being truncated
--error ER_LOCK_WAIT_TIMEOUT
insert into t1 values (10,89,99);

--echo Check if DDL is possible on table being truncated
--error ER_LOCK_WAIT_TIMEOUT
alter table t1 add column f4 int;

--echo check if table can be created with the same name
--error ER_LOCK_WAIT_TIMEOUT
create table t1 (bd int) engine=innodb;

--echo check if index can be created on table being truncated
--error ER_LOCK_WAIT_TIMEOUT
create index idx1 on t1(f1);

--echo Check if DROP of table is possible during truncate
--error ER_LOCK_WAIT_TIMEOUT
drop table t1;

--echo Check if select is possible during truncate
--error ER_LOCK_WAIT_TIMEOUT
select * from t1;

--error ER_BAD_FIELD_ERROR
select * from t2 where t2.f1=t1.f1;

--echo Check concurrent truncate operation on table;
--error ER_LOCK_WAIT_TIMEOUT
truncate table t1;

--echo Check concurrent selects  and inserts on the other table
insert into t3 values (10,20),(30,40),(50,50);
select * from t3 where f1=40;

--echo Concurrent truncate on other tables
truncate table t2;

--echo Concurrent alters on the other tables
alter table t2 add column f4 int;

--echo check if index can be created on the other table
create index idx1 on t2(f3);


--echo Check if we can turn off persistent stats off entire instance
SET GLOBAL innodb_stats_persistent=off;

--echo connection con2
connection con2;
--send set global innodb_adaptive_hash_index=off;

--echo connection default
connection default;
SET DEBUG_SYNC= 'now SIGNAL finish_scan';

--echo connection con1
connection con1;
reap;

--echo connection con2
connection con2;
reap;

--echo connection default
connection default;
disconnect con1;
disconnect con2;

SET session lock_wait_timeout=default;
set global innodb_adaptive_hash_index=default;

drop table t1,t2,t3;
SET @@global.innodb_stats_persistent=default;


--echo Test_2 :- Check if purge thread ignores the undo  
--echo		 log records of the table being truncated.

let $restart_parameters = restart: --innodb_purge_threads=1 --innodb_purge_batch_size=1 --innodb_stats_persistent=OFF
--source include/restart_mysqld.inc;

create table t1 (f1 int ,f2 int,key(f2)) engine=innodb;
insert into t1 values (10,45),(20,78),(30,88),(40,23),(50,78),(60,11),(70,56),(80,90);
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
select count(*) from t1;

--echo Stop the purge thread
set global innodb_purge_stop_now = 1;
delete from t1;

connect (con1,localhost,root,,);

--echo connection con1
connection con1;
SET DEBUG_SYNC= 'simulate_buffer_pool_scan SIGNAL opened WAIT_FOR finish_scan';
--send truncate table t1;

--echo Connection default
connection default;

SET DEBUG_SYNC= 'now WAIT_FOR opened';
set global innodb_purge_run_now=1;
--sleep 60
SET DEBUG_SYNC= 'now SIGNAL finish_scan';

--echo connection con1
connection con1;
reap;

--echo connection default
connection default;
disconnect con1;

drop table t1;

# Note: Because of fix for bug#32912868,
#       truncate table doesn't allow concurrent purge operations.
#       So, this test might not work as intended, or not needed.
let SEARCH_FILE = $MYSQLTEST_VARDIR/log/mysqld.1.err;
let SEARCH_PATTERN = InnoDB: Record with space id \d+ belongs to table which is being truncated or tablespace which is missing therefore skipping this undo record.;
--source include/search_pattern.inc

#cleanup
--echo # restart server
let $restart_parameters = restart:;
--source include/restart_mysqld.inc