--source include/have_debug.inc
--source include/not_valgrind.inc
--source include/not_embedded.inc

#
# Testing of atomic rename with crashes in a lot of different places
#

let $crash_count=4;
let $crash_points='ddl_log_rename_before_rename_view','ddl_log_rename_after_rename_view','rename_view_after_rename_schema_file','definition_file_after_create';

# Number of renames in the tested statement
let $renames=5;

let $old_debug=`select @@debug_dbug`;

let $e=0;

--disable_query_log
create table t1 (a int not null);
create table t2 (b int not null);
create table t3 (c int not null);
create table t4 (d int not null);
insert into t1 values(1);
insert into t2 values(2);
insert into t3 values(3);
insert into t4 values(4);
create view v1 as select t1.a from t1;
create view v2 as select t2.b from t2;
create view v3 as select t3.c from t3;
create view v4 as select t4.d from t4;
flush tables;

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

    --exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
    --disable_reconnect
    --eval set @@debug_dbug="+d,$crash",@debug_crash_counter=$r
    let $errno=0;
    --error 0,2013
    rename table v1 to v5, v2 to v1, v5 to v2, v4 to v5, v3 to v4;
    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 v4 to v3, v5 to v4, v2 to v5, v1 to v2, v5 to v1;
    }

    # Ensure that the tables are back to original
    let $res=`select v1.a+v2.b+v3.c+v4.d from v1,v2,v3,v4`;
    if ($res != 10)
    {
      die "Got result $res when 10 was expected";
    }
  }
}

--echo #
--echo # At last check that rename works when there is no crash
--echo #

rename table v1 to v5, v2 to v1, v5 to v2, v4 to v5, v3 to v4;
let $res=`select (select sum(v1.b) from v1)+ (select sum(v2.a) from v2) + (select sum(v4.c) from v4)+ (select sum(v5.d) from v5)`;
if ($res != 10)
{
  die "Got result $res when 10 was expected";
}
drop view v1,v2,v4,v5;
drop table t1,t2,t3,t4;
--enable_query_log