File: default_debug.test

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#
# Race condition in DEFAULT() with expressions
#

source include/have_debug_sync.inc;

create table t1 (a int, b int default (a+1));
insert t1 values (1,10), (2,20), (3,30);
connect (con1, localhost, root);
select a,b,default(b) from t1;
set debug_sync='after_Item_default_value_calculate WAIT_FOR go';
send select a,b,default(b) from t1;
connection default;
let $wait_condition=select count(*) from information_schema.processlist where state like 'debug sync%';
source include/wait_condition.inc;
set debug_sync='ha_write_row_start SIGNAL go';
insert t1 values (100,default(b));
connection con1;
reap;
connection default;
drop table t1;
set debug_sync='RESET';