mysql5/mysql-5.7.27/mysql-test/suite/ndb_ddl/alter_rename.inc

# Check  that binlogging are turned on for these tests
--source include/have_log_bin.inc

#
# Run variations of ALTER RENAME based on template query
# on the form ALTER RENAME tx ... ty
#

if (!$query)
{
  die Need the query to test with provided in $query;
}

let $num_tables = `select count(*) from information_schema.tables
                     where TABLE_SCHEMA = 'ndb_ddl_test'`;
if (!$num_tables)
{
  die Could not figure out number of tables in ndb_ddl_test database;
}


let $counter = 1;
while ($counter <= $num_tables)
{
   # Default table name is t$counter, ie. t1, t2, etc
   let $tx=t$counter;
   let $suffix=_new_name; # Small mysqltest trick to facilatate string concat
   let $ty=t$counter$suffix;
   #echo tx: $tx;
   #echo ty: $ty;

  if ($counter == 2)
  {
    if (!$skip_test_same_name)
    {
      ##
      # Rename to same name
      #   i.e t2 -> t2
      #
      let $ty = $tx;
    }
  }

  if ($counter == 3)
  {

    ##
    # Rename to same name but different db
    #   i.e t3 -> ndb_ddl_test2.t3
    #
    let $ty = ndb_ddl_test2.t3;
  }

  if ($counter == 4)
  {
    ##
    # Rename to different name and different db
    #  ie. t4 -> ndb_ddl_test2.t4
    #
    let $ty = ndb_ddl_test2.t4_new_name;
  }

  # Replace ty and tx in the query and run it
  let $replaced_query =
     `select REPLACE(REPLACE('$query', 'tx', '$tx'), 'ty', '$ty')`;
  eval $replaced_query;

  # Check that old name table does not exist
  # (if it has been renamed to new name)
  if ($tx != $ty)
  {
    --disable_query_log
    --disable_result_log
    --error ER_NO_SUCH_TABLE
    eval SELECT count(*) FROM $tx;
    --enable_query_log
    --enable_result_log

    # Check that old .frm file or .ndb doesn't exist
    let $file_base = `SELECT CONCAT(@@datadir,
                                    IF(INSTR('$tx', '.'),
                                       REPLACE('$tx', '.', '/'),
                                       CONCAT('ndb_ddl_test/', '$tx')))`;

    let $file_frm = `SELECT CONCAT('$file_base', '.frm')`;
    #echo file_frm: $file_frm;
    --error 1
    --file_exists $file_frm

    let $file_ndb = `SELECT CONCAT('$file_base', '.ndb')`;
    #echo file_ndb: $file_ndb;
    --error 1
    --file_exists $file_ndb
  }

  # Check that new name table exists
  --disable_query_log
  --disable_result_log
  eval SELECT * FROM $ty;
  --enable_query_log
  --enable_result_log

  # Check that new table contains expected number of rows
  let $ty_count = `SELECT count(*) from $ty`;
  if ($ty_count != 5)
  {
    echo Wrong number of rows, ecpected 5 got $ty_count;
    die Wrong number of rows in renamed table;
  }

  # Check that new .frm file or .ndb does exist
  let $file_base = `SELECT CONCAT(@@datadir,
                                  IF(INSTR('$ty', '.'),
                                     REPLACE('$ty', '.', '/'),
                                     CONCAT('ndb_ddl_test/', '$ty')))`;

  let $file_frm = `SELECT CONCAT('$file_base', '.frm')`;
  #echo file_frm: $file_frm;
  --file_exists $file_frm

  let $file_ndb = `SELECT CONCAT('$file_base', '.ndb')`;
  #echo file_ndb: $file_ndb;
  --file_exists $file_ndb

  # List all objects for the renamed table and store them
  # in temporary table in the test database
  let $create_table_name = test.post_$tx;
  let $list_table_name = $ty;
  --source list_objects.inc
  #eval select * from test.pre_$tx;
  #eval select * from test.post_$tx;

  # Compare the objects(indexes, blob tables etc.) on the renamed table whith
  # what was there before. Ignore id and version since those are not expected
  # to be the same
  --disable_query_log
  eval CREATE TEMPORARY TABLE test.diff_objects
    SELECT * FROM (
      SELECT type, state, parent_obj_type,
        REPLACE(fq_name, parent_obj_id, 'X') AS masked_fq_name
          FROM test.pre_$tx
      UNION ALL
      SELECT type, state, parent_obj_type,
        REPLACE(fq_name, parent_obj_id, 'X') AS masked_fq_name
          FROM test.post_$tx
    ) t
    /* group by columns to compare */
    GROUP BY type, state, parent_obj_type, masked_fq_name
    /* return only those without match */
    HAVING COUNT(*) = 1;
  --enable_query_log

  let $diff_rows = `SELECT count(*) FROM test.diff_objects`;
  if ($diff_rows)
  {
    echo Detected diff in objects on renamed table;
    eval SELECT * FROM test.pre_$tx ORDER BY ID;
    eval SELECT * FROM test.post_$tx ORDER BY ID;
    SELECT  * FROM test.diff_objects ORDER BY ID;
    die The objects created on the renamed table differed!;
  }
  --disable_query_log
  DROP TABLE test.diff_objects;
  --enable_query_log

  inc $counter;
}

--source verify_mysql_dd.inc


# Reset parameters which should change between each invocation
let $sql =;