set binlog_alter_two_phase = OFF;
select @@binlog_alter_two_phase;
@@binlog_alter_two_phase
0
set binlog_alter_two_phase = ON;
select @@binlog_alter_two_phase;
@@binlog_alter_two_phase
1
# wrong value
set binlog_alter_two_phase=BINLOG_OY;
ERROR 42000: Variable 'binlog_alter_two_phase' can't be set to the value of 'BINLOG_OY'
select @@binlog_alter_two_phase;
@@binlog_alter_two_phase
1
#true and false
set binlog_alter_two_phase=false;
select @@binlog_alter_two_phase;
@@binlog_alter_two_phase
0
set binlog_alter_two_phase=true;
select @@binlog_alter_two_phase;
@@binlog_alter_two_phase
1
set binlog_alter_two_phase=0;
select @@binlog_alter_two_phase;
@@binlog_alter_two_phase
0
set binlog_alter_two_phase=1;
select @@binlog_alter_two_phase;
@@binlog_alter_two_phase
1
##wrong value
set binlog_alter_two_phase=2;
ERROR 42000: Variable 'binlog_alter_two_phase' can't be set to the value of '2'
select @@binlog_alter_two_phase;
@@binlog_alter_two_phase
1
#Global value
set global binlog_alter_two_phase = OFF;
connect  con1,localhost,root,,;
select @@binlog_alter_two_phase;
@@binlog_alter_two_phase
0
disconnect con1;
connection default;
set global binlog_alter_two_phase = ON;
connect  con1,localhost,root,,;
select @@binlog_alter_two_phase;
@@binlog_alter_two_phase
1
disconnect con1;
connection default;
set global binlog_alter_two_phase=0;