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#
# MDEV-11902 mi_open race condition
#
source include/have_debug_sync.inc;
source include/have_symlink.inc;
source include/not_windows.inc;
call mtr.add_suppression("File.*t1.* not found");
create table mysql.t1 (a int, b char(16), index(a));
insert mysql.t1 values (100, 'test'),(101,'test');
let $datadir=`select @@datadir`;
exec mkdir $MYSQLTEST_VARDIR/tmp/foo;
replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR;
eval create table t1 (a int, b char(16), index(a))
data directory="$MYSQLTEST_VARDIR/tmp/foo";
insert t1 values (200, 'some'),(201,'some');
select * from t1;
flush tables;
set debug_sync='mi_open_datafile SIGNAL ok WAIT_FOR go';
send select * from t1;
connect con1, localhost, root;
set debug_sync='now WAIT_FOR ok';
exec rm -r $MYSQLTEST_VARDIR/tmp/foo;
exec ln -s $datadir/mysql $MYSQLTEST_VARDIR/tmp/foo;
set debug_sync='now SIGNAL go';
connection default;
replace_regex / '.*\/tmp\// 'MYSQLTEST_VARDIR\/tmp\// /31/20/ /40/20/ /85/20/ /20.*/20 <errmsg>)/;
error 29;
reap;
flush tables;
drop table if exists t1;
exec rm -r $MYSQLTEST_VARDIR/tmp/foo;
# same with INDEX DIRECTORY
exec mkdir $MYSQLTEST_VARDIR/tmp/foo;
replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR;
eval create table t1 (a int, b char(16), index (a))
index directory="$MYSQLTEST_VARDIR/tmp/foo";
insert t1 values (200, 'some'),(201,'some');
explain select a from t1;
select a from t1;
flush tables;
set debug_sync='mi_open_kfile SIGNAL waiting WAIT_FOR run';
send select a from t1;
connection con1;
set debug_sync='now WAIT_FOR waiting';
exec rm -r $MYSQLTEST_VARDIR/tmp/foo;
exec ln -s $datadir/mysql $MYSQLTEST_VARDIR/tmp/foo;
set debug_sync='now SIGNAL run';
connection default;
replace_regex / '.*\/test\// '.\/test\// /31/20/ /40/20/ /85/20/ /20.*/20 <errmsg>)/;
error ER_FILE_NOT_FOUND;
reap;
flush tables;
drop table if exists t1;
exec rm -r $MYSQLTEST_VARDIR/tmp/foo;
# Under Valgrind, this could display a warning ER_FILE_NOT_FOUND
--disable_warnings
drop table mysql.t1;
--enable_warnings
set debug_sync='RESET';