Source code for pandagg.node.query.joining

from pandagg.node.query.abstract import LeafQueryClause
from pandagg.node.query.compound import CompoundClause


class Nested(CompoundClause):
    _default_operator = "query"
    _parent_params = {"query": False}
    KEY = "nested"

    def __init__(self, path, **kwargs):
        super(Nested, self).__init__(path=path, **kwargs)
        self.path = path


class HasChild(CompoundClause):
    _default_operator = "query"
    _parent_params = {"query": False}
    KEY = "has_child"


class HasParent(CompoundClause):
    _default_operator = "query"
    _parent_params = {"query": False}
    KEY = "has_parent"


class ParentId(LeafQueryClause):
    KEY = "parent_id"