mariadb/mysql-test/suite/atomic/rename_table_binlog.test

--source include/have_debug.inc
--source include/have_innodb.inc
--source include/have_csv.inc
--source include/have_log_bin.inc
--source include/not_valgrind.inc

# Speed up wait_until_connected_again.inc
let NO_WSREP=1;
RESET MASTER;

#
# Testing of atomic rename with binlogging
# - First crash is before binlog is written, in which case the rename should
#   be reverted
# - Second crash is after binlog is written, in which case the rename should hold
#

let $engine_count=2;
let $engines='myisam', 'aria';

let $crash_count=2;
let $crash_points='ddl_log_rename_before_binlog','ddl_log_rename_after_binlog';
let $crash_positions= 1;

let $old_debug=`select @@debug_dbug`;

let $e=0;
--disable_query_log
while ($e < $engine_count)
{
  inc $e;
  let $engine=`select ELT($e, $engines)`;
  let $default_engine=$engine;
  let $extra_option=;

  if ($engine == "aria")
  {
    let $extra_option=transactional=1;
  }
  if ($engine == "aria_notrans")
  {
    let $default_engine="aria";
    let $extra_option=transactional=0;
  }

  --eval set @@default_storage_engine=$default_engine
  --eval create table t1 (a int not null) $extra_option;
  --eval create table t2 (b int not null) $extra_option;
  --eval create table t3 (c int not null) $extra_option;
  --eval create table t4 (d int not null) $extra_option;
  insert into t1 values(1);
  insert into t2 values(2);
  insert into t3 values(3);
  insert into t4 values(4);

  delimiter |;
  create trigger t1_trg before insert on t1 for each row
  begin
    if isnull(new.a) then
      set new.a:= 1000;
    end if;
  end|
  create trigger t2_trg before insert on t2 for each row
  begin
    if isnull(new.b) then
      set new.b:= 2000;
    end if;
  end|
  create trigger t3_trg before insert on t3 for each row
  begin
    if isnull(new.c) then
      set new.c:= 4000;
    end if;
  end|
  create trigger t4_trg before insert on t4 for each row
  begin
    if isnull(new.d) then
      set new.d:= 8000;
    end if;
  end|
  delimiter ;|

  let $c=0;
  while ($c < $crash_count)
  {
    inc $c;
    let $crash=`select ELT($c, $crash_points)`;
    let $r=0;
    while ($r < $crash_positions)
    {
      inc $r;
      echo "engine: $engine  crash point: $crash  position: $r";
      flush tables;

      --exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
      --disable_reconnect
      --eval set @@debug_dbug="+d,$crash",@debug_crash_counter=1
      let $errno=0;
      --error 0,2013
      rename table t1 to t5, t2 to t1, t5 to t2, t4 to t5, t3 to t4;
      let $error=$errno;
      --enable_reconnect
      --source include/wait_until_connected_again.inc
      --disable_query_log
      --eval set @@debug_dbug="$old_debug"

      if ($error == 0)
      {
        echo "No crash!";
        # No crash, rename things back
        rename table t4 to t3, t5 to t4, t2 to t5, t1 to t2, t5 to t1;
      }
      if ($c == 1)
      {
        # Check that the tables are back to original
        let $res=`select t1.a+t2.b+t3.c+t4.d from t1,t2,t3,t4`;
        if ($res != 10)
        {
          die "Got result $res when 10 was expected";
        }

        # Ensure that triggers work
        insert into t1 values(null);
        insert into t2 values(null);
        insert into t3 values(null);
        insert into t4 values(null);
        let $res=`select (select sum(t1.a) from t1)+ (select sum(t2.b) from t2) + (select sum(t3.c) from t3)+ (select sum(t4.d) from t4)`;
        if ($res != 15010)
        {
          die "Got result $res when 15010 was expected";
        }
        # Restore tables
        delete from t1 where a > 100;
        delete from t2 where b > 100;
        delete from t3 where c > 100;
        delete from t4 where d > 100;
      }
      if ($c == 2)
      {
         # Check that rename succeded
         insert into t1 values(null);
         insert into t2 values(null);
         insert into t5 values(null);
         insert into t4 values(null);
         let $res=`select (select sum(t1.b) from t1)+ (select sum(t2.a) from t2) + (select sum(t4.c) from t4)+ (select sum(t5.d) from t5)`;
         if ($res != 15010)
         {
           die "Got result $res when 15010 was expected";
         }
         let $res=`select (select count(*)=2 from t1) + (select count(*)=2 from t2) + (select count(*)=2 from t4)+ (select count(*)=2 from t5)`;
         if ($res != 4)
         {
           die "Got result $res when 4 was expected";
         }
       }
    }
  }
  drop table t1,t2,t4,t5;
}
--enable_query_log

# Show the binlogs that holds the renames
--let $binlog_file=master-bin.000002
--source include/show_binlog_events.inc
--let $binlog_file=master-bin.000003
--source include/show_binlog_events.inc
--let $binlog_file=master-bin.000004
--source include/show_binlog_events.inc
--let $binlog_file=master-bin.000005
--source include/show_binlog_events.inc