#
# Perform various queries from the ndbinfo. tables checking that
# the table schema and the views are working when selecting
# all rows or selected rows and with the various ratelimits
#

--result_format 2
--source include/have_ndb.inc

--disable_query_log
--disable_result_log

use ndbinfo;

set @@ndbinfo_show_hidden = 1;

### Load list of tables and views in ndbinfo database into temporary table
create temporary table table_names as
  select REPLACE(TABLE_NAME, '$', '\$') as TABLE_NAME, TABLE_TYPE
    from information_schema.tables
      where TABLE_SCHEMA = 'ndbinfo';

### Iterate the list and run test for each object
while (`select count(*) from table_names`)
{
  ### Find one object to test
  select @test_table := TABLE_NAME,
    @test_table_type := TABLE_TYPE
    from table_names order by TABLE_NAME limit 1;
  let $test_table = `select @test_table`;
  let $test_table_type = `select @test_table_type`;

  ##
  # Run plain select from the table
  eval select * from $test_table;

  ##
  # Select one column at a time
  let $columns = `select count(*) from information_schema.columns
                    where TABLE_NAME = @test_table and
                          TABLE_SCHEMA='ndbinfo'`;
  #echo $test_table has $columns columns;

  let $c = $columns;
  while($c)
  {
    let $col_name = `select COLUMN_NAME from information_schema.columns
                       where TABLE_NAME = @test_table and
                             TABLE_SCHEMA='ndbinfo' and
                             ORDINAL_POSITION = $c`;
    eval select `$col_name` from $test_table;

    dec $c;
  }

  ##
  # Run plain select with different max_rows and max_bytes
  create temporary table limits (max_rows int, max_bytes int);
  insert into limits values
    ( 0, 0 ),
    ( 1, 0 ), ( 2, 0 ), ( 10, 0 ), ( 37, 0 ), ( 1000, 0 ),
    ( 0, 1 ), ( 0, 2 ), ( 0, 10 ), ( 0, 37 ), ( 0, 1000 ),
    ( 1, 1 ), ( 2, 2 ), ( 10, 10 ), ( 37, 37 ), ( 1000, 1000 );
  while (`select count(*) from limits`)
  {
    # Find next limit to test
    select @max_rows := max_rows,
           @max_bytes := max_bytes
      from limits order by max_rows, max_bytes limit 1;

    set @@ndbinfo_max_bytes = @max_bytes;
    set @@ndbinfo_max_rows = @max_rows;

    eval select * from $test_table;

    # Remove the tested limit
    delete from limits
      where max_rows = @max_rows and max_bytes = @max_bytes;
  }
  # Reset defaults
  set @@ndbinfo_max_bytes = default;
  set @@ndbinfo_max_rows = default;
  drop temporary table limits;

  ### Delete the tested table from list
  delete from table_names
    where TABLE_NAME = @test_table and TABLE_TYPE = @test_table_type;
}

--enable_query_log
--enable_result_log


## Test completed!