clockworklabs / clockworklabs/SpacetimeDB

C# client SDK codegen: skip and warn on ill-typed indexes

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Rust
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Description

In the C# client SDK, it should be possible to spacetime generate bindings for a module with an index whose types are not filterable. The resulting bindings should compile and run without error, but should not contain the ill-typed index. That is, spacetime generate for the C# client SDK should skip indexes with non-filterable key types. A warning should be printed to the console when skipping such an index during spacetime generate.

This should be unreachable after https://github.com/clockworklabs/SpacetimeDB/issues/2494 and https://github.com/clockworklabs/SpacetimeDB/issues/2495 , but I expect we'll encounter modules that bypass those restrictions in various ways.

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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 at the C# client SDK's spacetime generate entry point and trace how indexes are emitted into generated bindings. Reproduce a module with an index whose key type is not filterable, then verify generation warns about and omits that index while the resulting bindings compile and run without error.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
api, tooling
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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