#
# BUG#47863
# This test verifies if the session variable 'binlog_format' and
# 'binlog_direct_non_transactional_updates' are read-only inside
# a transaction and in sub-statements.
#

source include/have_innodb.inc;
source include/have_myisam.inc;
source include/have_binlog_format_row.inc;

set @save_binlog_format= @@global.binlog_format;
set @save_binlog_dirct= @@global.binlog_direct_non_transactional_updates;
create table t1 (a int) engine= myisam;
create table t2 (a int) engine= innodb;

SELECT @@session.binlog_format;
SELECT @@session.binlog_direct_non_transactional_updates;
SELECT @@session.sql_log_bin;
SET AUTOCOMMIT=1;
--echo # Test that the session variable 'binlog_format',
--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin'
--echo # are writable outside a transaction.
--echo # Current session values are ROW, FALSE, TRUE, respectively.
set @@session.binlog_format= statement;
set @@session.binlog_direct_non_transactional_updates= TRUE;
set @@session.sql_log_bin= FALSE;
SELECT @@session.binlog_format;
SELECT @@session.binlog_direct_non_transactional_updates;
SELECT @@session.sql_log_bin;

begin;
--echo # Test that the session variable 'binlog_format',
--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are
--echo # read-only inside a transaction with no preceding updates.
--echo # Current session values are STATEMENT, TRUE, FALSE, respectively.
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT
  set @@session.binlog_format= mixed;
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT
  set @@session.binlog_direct_non_transactional_updates= FALSE;
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN
set @@session.sql_log_bin= FALSE;

  insert into t2 values (1);
--echo # Test that the session variable 'binlog_format',
--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are
--echo # read-only inside a transaction with preceding transactional updates.
--echo # Current session values are STATEMENT, TRUE and FALSE, respectively.
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT
  set @@session.binlog_format= row;
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT
  set @@session.binlog_direct_non_transactional_updates= FALSE;
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN
set @@session.sql_log_bin= FALSE;
commit;

begin;
  insert into t1 values (2);
--echo # Test that the session variable 'binlog_format'
--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are
--echo # read-only inside a transaction with preceding non-transactional updates.
--echo # Current session values are STATEMENT, TRUE, FALSE, respectively.
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT
  set @@session.binlog_format= mixed;
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT
  set @@session.binlog_direct_non_transactional_updates= FALSE;
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN
set @@session.sql_log_bin= FALSE;
commit;

--echo # Test that the session variable 'binlog_format',
--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are
--echo # writable when AUTOCOMMIT=0, before a transaction has started.
--echo # Current session values are STATEMENT, TRUE, FALSE, respectively.
set AUTOCOMMIT=0;
set @@session.binlog_format= row;
set @@session.binlog_direct_non_transactional_updates= FALSE;
set @@session.sql_log_bin= TRUE;
SELECT @@session.binlog_format;
SELECT @@session.binlog_direct_non_transactional_updates;
SELECT @@session.sql_log_bin;

insert into t1 values (3);
--echo # Test that the session variable 'binlog_format',
--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are
--echo # read-only inside an AUTOCOMMIT=0 transaction
--echo # with preceding non-transactional updates.
--echo # Current session values are ROW, FALSE, TRUE, respectively.
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT
set @@session.binlog_format= statement;
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT
set @@session.binlog_direct_non_transactional_updates= TRUE;
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN
set @@session.sql_log_bin= FALSE;
SELECT @@session.binlog_format;
SELECT @@session.binlog_direct_non_transactional_updates;
SELECT @@session.sql_log_bin;
commit;

insert into t2 values (4);
--echo # Test that the session variable 'binlog_format', 
--echo # 'binlog_direct_non_transactional_updates' and 'sql_log_bin' are
--echo # read-only inside an AUTOCOMMIT=0 transaction with
--echo # preceding transactional updates.
--echo # Current session values are ROW, FALSE, TRUE, respectively.
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_FORMAT
set @@session.binlog_format= statement;
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_BINLOG_DIRECT
set @@session.binlog_direct_non_transactional_updates= TRUE;
--error ER_INSIDE_TRANSACTION_PREVENTS_SWITCH_SQL_LOG_BIN
set @@session.sql_log_bin= FALSE;
SELECT @@session.binlog_format;
SELECT @@session.binlog_direct_non_transactional_updates;
SELECT @@session.sql_log_bin;
commit;

begin;
  insert into t2 values (5);
--echo # Test that the global variable 'binlog_format' and
--echo # 'binlog_direct_non_transactional_updates' are
--echo # writable inside a transaction.
--echo # Current session values are ROW, FALSE, TRUE respectively.
  SELECT @@global.binlog_format;
  set @@global.binlog_format= statement;
  set @@global.binlog_direct_non_transactional_updates= TRUE;
  SELECT @@global.binlog_format;
  SELECT @@global.binlog_direct_non_transactional_updates;
commit;

set @@global.binlog_format= @save_binlog_format;
set @@global.binlog_direct_non_transactional_updates= @save_binlog_dirct;

create table t3(a int, b int) engine= innodb;
create table t4(a int) engine= innodb;
create table t5(a int) engine= innodb;
delimiter |;
eval create trigger tr1 after insert on t3 for each row begin
    insert into t4(a) values(1);
    set @@session.binlog_format= statement;
    insert into t4(a) values(2);
    insert into t5(a) values(3);
end |
delimiter ;|

--echo # Test that the session variable 'binlog_format' is read-only
--echo # in sub-statements.
--echo # Current session value is ROW.
--error ER_STORED_FUNCTION_PREVENTS_SWITCH_BINLOG_FORMAT
insert into t3(a,b) values(1,1);
SELECT @@session.binlog_format;

create table t6(a int, b int) engine= innodb;
create table t7(a int) engine= innodb;
create table t8(a int) engine= innodb;
delimiter |;
eval create trigger tr2 after insert on t6 for each row begin
    insert into t7(a) values(1);
    set @@session.binlog_direct_non_transactional_updates= TRUE;
    insert into t7(a) values(2);
    insert into t8(a) values(3);
end |
delimiter ;|

--echo # Test that the session variable
--echo # 'binlog_direct_non_transactional_updates' is
--echo # read-only in sub-statements.
--echo # Current session value is FALSE.
--error ER_STORED_FUNCTION_PREVENTS_SWITCH_BINLOG_DIRECT
insert into t6(a,b) values(1,1);
SELECT @@session.binlog_direct_non_transactional_updates;

create table t9(a int, b int) engine= innodb;
create table t10(a int) engine= innodb;
create table t11(a int) engine= innodb;
delimiter |;
eval create trigger tr3 after insert on t9 for each row begin
    insert into t10(a) values(1);
    set @@session.sql_log_bin= TRUE;
    insert into t10(a) values(2);
    insert into t11(a) values(3);
end |
delimiter ;|

--echo # Test that the session variable 'sql_log_bin' is
--echo # read-only in sub-statements.
--echo # Current session value is FALSE.
--error ER_STORED_FUNCTION_PREVENTS_SWITCH_SQL_LOG_BIN
insert into t9(a,b) values(1,1);
SELECT @@session.sql_log_bin;

drop table t1;
drop table t2;
drop table t3;
drop table t4;
drop table t5;
drop table t6;
drop table t7;
drop table t8;
drop table t9;
drop table t10;
drop table t11;