MongoEngine / MongoEngine/mongoengine

Querying dynamic field on DynamicEmbeddedDocument throws LookUpError

Open
#2,251 1 comment 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Dominant language
Python
Stars
4.3k
Forks
1.2k
Avg merge
4h 41m
Merged PRs (30d)
11

Description

An example of a failing DynamicEmbeddedDocument:

class DynamicSettings(DynamicEmbeddedDocument):
    known_field = StringField()

class Person(Document):
    name = StringField()
    settings = EmbeddedDocumentField(DynamicSettings)

p = Person(settings=DynamicSettings(known_field="abc", dynamic_field1="123"), name="John").save()

# The following raises a LookUpError
Person.objects(settings__dynamic_field1="123").first()

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by running the DynamicEmbeddedDocument example and tracing the Person.objects(settings__dynamic_field1="123") lookup path; the issue names no files or tests. Done means the query no longer raises LookUpError and returns the matching Person, with regression coverage for this example.

Written by the indexing model from the issue text.

Assessment

Tech stack
mongodb, python
Domain
backend, databases
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.