class_docstr: Specifies that a Query as called within a "lazy load"
  should load results from a cache.
class_docstr_tok: ["Specifies","that","a","Query","as","called","within","a","``","lazy","load","''","should","load","results","from","a","cache","."]
docstr: Chain another RelationshipCache option to this one.
  
  While many RelationshipCache objects can be specified on a single
  Query separately, chaining them together allows for a more efficient
  lookup during load.
docstr_tok: ["Chain","another","RelationshipCache","option","to","this","one",".","While","many","RelationshipCache","objects","can","be","specified","on","a","single","Query","separately",",","chaining","them","together","allows","for","a","more","efficient","lookup","during","load","."]
code: def and_(self, option):
      """Chain another RelationshipCache option to this one.
  
      While many RelationshipCache objects can be specified on a single
      Query separately, chaining them together allows for a more efficient
      lookup during load.
  
      """
      self._relationship_options.update(option._relationship_options)
      return self
  
imports: from dogpile.cache.api import NO_VALUE
  from sqlalchemy import event
  from sqlalchemy.orm import loading
  from sqlalchemy.orm import Query
  from sqlalchemy.orm.interfaces import UserDefinedOption
label_desc: Use image node_id 3 for calling the RelationshipCache obj's underlying member method code with example usage: obj.and_(option) and returns: self