#
# ALTER ONLINE TABLE
#

--source have_engine.inc

--disable_warnings
DROP TABLE IF EXISTS t1,t2,t3;
--enable_warnings

#
# Test of things that can be done online
# We are repeating notification here, because for some engines
# only a part of these ALTER ONLINE statements might be supported.
#

let $create_definition = a $int_col, b $int_col, c $char_col;
--source create_table.inc

INSERT INTO t1 (a,b,c) VALUES (1,100,'a'),(2,200,'b'),(3,300,'c');

--let $online = 1
--let $alter_definition = MODIFY b $int_col DEFAULT 5
--source alter_table.inc
if ($mysql_errname)
{
  --source unexpected_result.inc
}

--let $online = 1
--let $alter_definition = CHANGE b new_name $int_col
--source alter_table.inc
if ($mysql_errname)
{
  --source unexpected_result.inc
}

--let $online = 1
--let $alter_definition = COMMENT 'new comment'
--source alter_table.inc
if ($mysql_errname)
{
  --source unexpected_result.inc
}

# It is here because it used to be supported as ALTER ONLINE,
# but not anymore after the semantics changed in 10.0 
# to be the same as ALTER .. LOCK=NONE

--let $error_codes = ER_ALTER_OPERATION_NOT_SUPPORTED
--let $online = 1
--let $rename_to = t2
--source alter_table.inc
if ($mysql_errname!=ER_ALTER_OPERATION_NOT_SUPPORTED)
{
  --source unexpected_result.inc
  DROP TABLE t1;
}
DROP TABLE IF EXISTS t2;

#
# temporary table does not require locking
#

--let $temporary = 1
--source create_table.inc

INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c');

--let $online = 1
--let $alter_definition = MODIFY b $int_col DEFAULT 5
--source alter_table.inc
if ($mysql_errname)
{
  --source unexpected_result.inc
}

--let $online = 1
--let $alter_definition = CHANGE b new_name $int_col
--source alter_table.inc

--let $online = 1
--let $alter_definition = COMMENT 'new comment'
--source alter_table.inc

--let $online = 1
--let $rename_to = t2
--source alter_table.inc

DROP TABLE IF EXISTS t1, t2;

#
# Test of things that is not possible to do online
#

--let $create_definition = a $int_col, b $int_col, c $char_col
--source create_table.inc

INSERT INTO t1 (a,b,c) VALUES (1,100,'a'),(2,200,'b'),(3,300,'c');

# It is here because it used to unsupported as ALTER ONLINE,
# but is supported now after the semantics changed in 10.0 
# to be the same as ALTER .. LOCK=NONE

--let $online = 1
--let $alter_definition = DROP COLUMN b, ADD b $int_col
--source alter_table.inc
if ($mysql_errname)
{
  --source unexpected_result.inc
}

--let $error_codes = ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
--let $online = 1
--let $alter_definition = MODIFY b BIGINT $default_col_opts
--source alter_table.inc

--let $alternative_engine = `SELECT engine FROM information_schema.engines WHERE engine IN ('MEMORY','MyISAM') AND engine != '$storage_engine' ORDER BY engine LIMIT 1`

--let $error_codes = ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
--let $online = 1
--let $alter_definition = ENGINE=$alternative_engine
--source alter_table.inc

DROP TABLE t1;

--let $create_definition = a $int_col, b $int_indexed_col, c $char_col
--source create_table.inc
if ($mysql_errname)
{
  --let $functionality = Column options
  --source unexpected_result.inc
}
if (!$mysql_errname)
{

  # It is here because it used to unsupported as ALTER ONLINE,
  # but is supported now after the semantics changed in 10.0 
  # to be the same as ALTER .. LOCK=NONE

  --let $online = 1
  --let $alter_definition = ADD INDEX (b)
  --source alter_table.inc
  if ($mysql_errname)
  {
    --let $functionality = Adding an index or ALTER ONLINE
    --source unexpected_result.inc
  }
  if (!$mysql_errname)
  {
    --let $online = 1
    --let $alter_definition = DROP INDEX b
    --source alter_table.inc
  }
  DROP TABLE t1;
}

--source cleanup_engine.inc
