clockworklabs / clockworklabs/SpacetimeDB

«Column projections are not supported in subscriptions» error in one-off query

Open
#2,968 8 comments 0 reactions 1 assignee View on GitHub

@joshua-spacetime is already working on this.

Since Jul 23, 2025.

Dominant language
Rust
Stars
25.2k
Forks
1.1k
Avg merge
2d 7h
Merged PRs (30d)
46

Description

Error: Column projections are not supported in subscriptions; Subscriptions must return a table type

when issuing a one-off query with JOINs via WebSocket API.

Contributor guide

No contributing guide indexed for this repository

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.

Assessment

This issue has not been assessed yet.

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.