--source suite/innodb_gcn/include/init_conn_base_seq.inc
show variables like "transaction_isolation";


connect(con_u1, 127.0.0.1, root,,);
connect(con_u2, 127.0.0.1, root,,);
connect(con_u3, 127.0.0.1, root,,);

connection con_u1;
--disable_query_log
eval SET @base_seq = $global_base_seq;
--enable_query_log

connection con_u2;
--disable_query_log
eval SET @base_seq = $global_base_seq;
--enable_query_log

connection con_u3;
--disable_query_log
eval SET @base_seq = $global_base_seq;
--enable_query_log

--echo # gcn and dd table
--disable_result_log
set innodb_snapshot_seq = @base_seq +1500;
select * from mysql.db limit 1;
--enable_result_log

create database dd_db;
create table dd_db.t1 (a int, b int, primary key (a));
set innodb_snapshot_seq = @base_seq +1600;
select * from dd_db.t1;

create table dd_db.t2 (a int, b int, primary key (a));
set innodb_snapshot_seq = @base_seq +1500;
--error ER_AS_OF_TABLE_DEF_CHANGED
select * from dd_db.t2;

create table dd_db.t3 (a int, b int, primary key (a));
set innodb_snapshot_seq = @base_seq +1400;
--error ER_AS_OF_TABLE_DEF_CHANGED
select * from dd_db.t3;

drop database dd_db;


--echo #
--echo # Insert ... select & create .... select & update
--echo # 
create table t1 (a int, b int , primary key (a));
create table t2 (a int, b int , primary key (a));

--echo # scn and snapshot
connection con_u1;
begin;
select * from t1;

connection con_u2;
insert into t1 values (10,0),(11,0);

connection con_u1;
select * from t1;

insert into t2 select * from t1;
create table t3 select * from t1;

select * from t2;
select * from t3;

delete from t1;
delete from t2;
drop table t3;

--echo # gcn and snapshot

connection con_u1;
xa begin 'x1';
set innodb_snapshot_seq = @base_seq +2000;
select * from t1;

connection con_u2;
xa begin 'x2';
insert into t1 values (2101,0),(2102,0);
xa end 'x2';
xa prepare 'x2';
set innodb_commit_seq = @base_seq +2100;
xa commit 'x2';

connection con_u1;
select * from t1;

insert into t2 select * from t1;
select * from t2;
xa end 'x1';
xa commit 'x1' one phase;
select * from t2;

set innodb_snapshot_seq = @base_seq +2000;
select * from t1;

delete from t2;
set innodb_snapshot_seq = @base_seq +2000;
insert into t2 select * from t1;
select * from t2;

set innodb_snapshot_seq = @base_seq +2000;
create table t3 select * from t1;
select * from t3;

drop table t1,t2,t3;


--echo #
--echo # update 
--echo #
create table u1 (a int , b int, primary key (a));

--echo #scn
insert into u1 values (30,0);
connection con_u1;
begin;
select * from u1;

connection con_u3;
begin;
select * from u1;

connection con_u2;
insert into u1 values (31,0);

connection con_u1;
select * from u1;
update u1 set b=30;
select * from u1;

connection con_u3;
select * from u1;
rollback;
select * from u1;

connection con_u1;
commit;
select * from u1;
delete from u1;

--echo #gcn
connection con_u1;
set innodb_commit_seq = @base_seq +2900;
insert into u1 values (2900, 0);

xa begin 'x1';
set innodb_snapshot_seq = @base_seq +3000;
select * from u1;

connection con_u3;
xa begin 'x3';
set innodb_snapshot_seq = @base_seq +3000;
select * from u1;

connection con_u2;
set innodb_commit_seq = @base_seq +3100;
insert into u1 values (3101, 0),(3102, 0);

connection con_u1;
select * from u1;
update u1 set b = 3000;
select * from u1;


connection con_u3;
select * from u1;
xa end 'x3';
xa commit 'x3' one phase;
select * from u1;

connection con_u1;
xa end 'x1';
xa commit 'x1' one phase;
select * from u1;

delete from u1;

--echo # update with snapshot_gcn/commit_gcn
set innodb_commit_seq = @base_seq +3200;
insert into u1 values (3201, 0),(3202, 0);

# expect use current gcn 3200
set innodb_snapshot_seq = @base_seq +3300;
update u1 set b = 3300 where a = 3201;

# expect use input gcn 3400
set innodb_commit_seq = @base_seq +3400;
update u1 set b = 3400 where a = 3202;

set innodb_snapshot_seq = @base_seq +3210;
select * from u1;

set innodb_snapshot_seq = @base_seq +3410;
select * from u1;

delete from u1;

--echo #
--echo # external xa commit
--echo #

connection con_u1;
xa begin '4000';
insert into u1 values (4000, 0);
xa end '4000';
xa prepare '4000';

set innodb_commit_seq = @base_seq +4000;
xa commit '4000';

xa begin '4100';
insert into u1 values (4100, 0);
xa end '4100';
xa prepare '4100';

disconnect con_u1;
connection con_u2;
set innodb_commit_seq = @base_seq +4100;
xa commit '4100';

connection con_u3;
set innodb_snapshot_seq = @base_seq +4050;
select * from u1;

set innodb_snapshot_seq = @base_seq +4150;
select * from u1;

delete from u1;
connect(con_u1, 127.0.0.1, root,,);

--echo #
--echo # /*+ SET_VAR(innodb_snapshot_seq= ... ) */ && count(*)
--echo # base_seq = 1000000;
--echo #
connection con_u1;
xa begin '1000000';
insert into u1 values (1000000, 0);
xa end '1000000';
xa prepare '1000000';

set innodb_commit_seq = 1000000;
xa commit '1000000';

set innodb_snapshot_seq = 999999;
select * from u1;
set innodb_snapshot_seq = 999999;
select count(*) from u1;
select /*+ SET_VAR(innodb_snapshot_seq= 999999) */ count(*) from u1;
select /*+ SET_VAR(innodb_snapshot_seq= 999999) */ * from u1;

delete from u1;
drop table u1;

disconnect con_u1;
disconnect con_u2;
disconnect con_u3;