예제 #1
0
def datastore_delete(context, data_dict):
    '''Deletes a table or a set of records from the DataStore.

    :param resource_id: resource id that the data will be deleted from.
                        (optional)
    :type resource_id: string
    :param force: set to True to edit a read-only resource
    :type force: bool (optional, default: False)
    :param filters: filters to apply before deleting (eg {"name": "fred"}).
                   If missing delete whole table and all dependent views.
                   (optional)
    :type filters: dictionary
    :param calculate_record_count: updates the stored count of records, used to
        optimize datastore_search in combination with the
        `total_estimation_threshold` parameter. If doing a series of requests
        to change a resource, you only need to set this to True on the last
        request.
    :type calculate_record_count: bool (optional, default: False)

    **Results:**

    :returns: Original filters sent.
    :rtype: dictionary

    '''
    schema = context.get('schema', dsschema.datastore_delete_schema())
    backend = DatastoreBackend.get_active_backend()

    # Remove any applied filters before running validation.
    filters = data_dict.pop('filters', None)
    data_dict, errors = _validate(data_dict, schema, context)

    if filters is not None:
        if not isinstance(filters, dict):
            raise p.toolkit.ValidationError(
                {'filters': ['filters must be either a dict or null.']})
        data_dict['filters'] = filters

    if errors:
        raise p.toolkit.ValidationError(errors)

    p.toolkit.check_access('datastore_delete', context, data_dict)

    if not data_dict.pop('force', False):
        resource_id = data_dict['resource_id']
        _check_read_only(context, resource_id)

    res_id = data_dict['resource_id']

    res_exists = backend.resource_exists(res_id)

    if not res_exists:
        raise p.toolkit.ObjectNotFound(
            p.toolkit._(u'Resource "{0}" was not found.'.format(res_id)))

    result = backend.delete(context, data_dict)

    if data_dict.get('calculate_record_count', False):
        backend.calculate_record_count(data_dict['resource_id'])

    # Set the datastore_active flag on the resource if necessary
    model = _get_or_bust(context, 'model')
    resource = model.Resource.get(data_dict['resource_id'])

    if (not data_dict.get('filters') and resource is not None
            and resource.extras.get('datastore_active') is True):
        log.debug('Setting datastore_active=False on resource {0}'.format(
            resource.id))
        set_datastore_active_flag(model, data_dict, False)

    result.pop('id', None)
    result.pop('connection_url', None)
    return result
예제 #2
0
파일: action.py 프로젝트: PublicaMundi/ckan
def datastore_delete(context, data_dict):
    '''Deletes a table or a set of records from the DataStore.

    :param resource_id: resource id that the data will be deleted from.
                        (optional)
    :type resource_id: string
    :param force: set to True to edit a read-only resource
    :type force: bool (optional, default: False)
    :param filters: filters to apply before deleting (eg {"name": "fred"}).
                   If missing delete whole table and all dependent views.
                   (optional)
    :type filters: dictionary
    :param calculate_record_count: updates the stored count of records, used to
        optimize datastore_search in combination with the
        `total_estimation_threshold` parameter. If doing a series of requests
        to change a resource, you only need to set this to True on the last
        request.
    :type calculate_record_count: bool (optional, default: False)

    **Results:**

    :returns: Original filters sent.
    :rtype: dictionary

    '''
    schema = context.get('schema', dsschema.datastore_delete_schema())
    backend = DatastoreBackend.get_active_backend()

    # Remove any applied filters before running validation.
    filters = data_dict.pop('filters', None)
    data_dict, errors = _validate(data_dict, schema, context)

    if filters is not None:
        if not isinstance(filters, dict):
            raise p.toolkit.ValidationError({
                'filters': [
                    'filters must be either a dict or null.'
                ]
            })
        data_dict['filters'] = filters

    if errors:
        raise p.toolkit.ValidationError(errors)

    p.toolkit.check_access('datastore_delete', context, data_dict)

    if not data_dict.pop('force', False):
        resource_id = data_dict['resource_id']
        _check_read_only(context, resource_id)

    res_id = data_dict['resource_id']

    res_exists = backend.resource_exists(res_id)

    if not res_exists:
        raise p.toolkit.ObjectNotFound(p.toolkit._(
            u'Resource "{0}" was not found.'.format(res_id)
        ))

    result = backend.delete(context, data_dict)

    if data_dict.get('calculate_record_count', False):
        backend.calculate_record_count(data_dict['resource_id'])

    # Set the datastore_active flag on the resource if necessary
    model = _get_or_bust(context, 'model')
    resource = model.Resource.get(data_dict['resource_id'])

    if (not data_dict.get('filters') and
            resource is not None and
            resource.extras.get('datastore_active') is True):
        log.debug(
            'Setting datastore_active=False on resource {0}'.format(
                resource.id)
        )
        set_datastore_active_flag(model, data_dict, False)

    result.pop('id', None)
    result.pop('connection_url', None)
    return result