from django.db.backends.creation import BaseDatabaseCreation

class DatabaseCreation(BaseDatabaseCreation):
    # This dictionary maps Field objects to their associated MySQL column
    # types, as strings. Column-type strings can contain format strings; they'll
    # be interpolated against the values of Field.__dict__ before being output.
    # If a column type is set to None, it won't be included in the output.
    data_types = {
        'AutoField':         'integer AUTO_INCREMENT',
        'BooleanField':      'bool',
        'CharField':         'varchar(%(max_length)s)',
        'CommaSeparatedIntegerField': 'varchar(%(max_length)s)',
        'DateField':         'date',
        'DateTimeField':     'datetime',
        'DecimalField':      'numeric(%(max_digits)s, %(decimal_places)s)',
        'FileField':         'varchar(%(max_length)s)',
        'FilePathField':     'varchar(%(max_length)s)',
        'FloatField':        'double precision',
        'IntegerField':      'integer',
        'BigIntegerField':   'bigint',
        'IPAddressField':    'char(15)',
        'GenericIPAddressField': 'char(39)',
        'NullBooleanField':  'bool',
        'OneToOneField':     'integer',
        'PositiveIntegerField': 'integer UNSIGNED',
        'PositiveSmallIntegerField': 'smallint UNSIGNED',
        'SlugField':         'varchar(%(max_length)s)',
        'SmallIntegerField': 'smallint',
        'TextField':         'longtext',
        'TimeField':         'time',
    }

    def sql_table_creation_suffix(self):
        suffix = []
        if self.connection.settings_dict['TEST_CHARSET']:
            suffix.append('CHARACTER SET %s' % self.connection.settings_dict['TEST_CHARSET'])
        if self.connection.settings_dict['TEST_COLLATION']:
            suffix.append('COLLATE %s' % self.connection.settings_dict['TEST_COLLATION'])
        return ' '.join(suffix)

    def sql_for_inline_foreign_key_references(self, model, field, known_models, style):
        "All inline references are pending under MySQL"
        return [], True