Commit Graph

205 Commits

Author SHA1 Message Date
Jeffrey Dallatezza ac806f9713 Merge branch 'jsdt/2pc-wound-wait-bubble' into jsdt/2pc-wound-wait 2026-03-30 15:46:56 -07:00
Jeffrey Dallatezza deaf41e824 Vibe fix to make wounded errors bubble up 2026-03-30 15:40:54 -07:00
Alessandro Asoni 075c055ebd performance improvement for stock_level 2026-03-30 23:41:49 +02:00
Alessandro Asoni 4d32126beb Add extra time spans 2026-03-30 23:41:40 +02:00
Shubham Mishra 85bc884ffb point to 2pc bindings 2026-03-30 23:40:59 +02:00
joshua-spacetime 3cec08fc05 Remove redundant indexes 2026-03-30 10:42:46 -07:00
Alessandro Asoni 1c3572e27a Fix typo in remote reducer name 2026-03-30 16:50:05 +02:00
Phoebe Goldman b094faefcc Merge branch 'jdetter/tpcc' of github.com:clockworklabs/SpacetimeDB into jdetter/tpcc 2026-03-29 18:00:59 -04:00
Phoebe Goldman fcee37419a new_order: at most one remote request per database 2026-03-29 18:00:34 -04:00
Julien Lavocat 0797648b1d Add metrics module 2026-03-29 23:48:02 +02:00
joshua-spacetime 1ced9705e8 Increase the width of warehouse_id 2026-03-29 13:24:47 -07:00
Phoebe Goldman 1dd621ddcd Add timing, rename some spans 2026-03-29 13:49:32 -04:00
Phoebe Goldman 3219020b7f Merge remote-tracking branch 'origin/phoebe/tpcc-distributed-naive-http-requests' into phoebe/tpcc/reducer-return-value
Manually resolved conflicts in the module and loader related to removing `spacetimedb_uri`.
2026-03-29 12:43:21 -04:00
Phoebe Goldman e44225fa5e Rework for reducers & remote reducer calls
This ditches our use of procedures for their return values
and of the procedure HTTP interface.
2026-03-29 12:23:14 -04:00
joshua-spacetime 398cb8a79a Add timers around server-side loaders 2026-03-28 15:49:48 -07:00
joshua-spacetime 474ce45501 server-side datagen 2026-03-28 15:28:50 -07:00
Phoebe Goldman 7d84ee399f Merge branch 'phoebe/tpcc-distributed-naive-http-requests' into phoebe/tpcc/reducer-return-value 2026-03-28 18:18:29 -04:00
Phoebe Goldman a017111ada Merge branch 'phoebe/tpcc-distributed-naive-http-requests' of github.com:clockworklabs/SpacetimeDB into phoebe/tpcc-distributed-naive-http-requests 2026-03-28 17:37:20 -04:00
Phoebe Goldman a0eef62dbd log_stopwatch when loading 2026-03-28 17:36:54 -04:00
Phoebe Goldman 79b8c1ac61 Revert "log_stopwatch when loading"
This reverts commit 84737a6baf.

Was supposed to be on a different branch.
2026-03-28 17:33:35 -04:00
Phoebe Goldman 84737a6baf log_stopwatch when loading 2026-03-28 17:27:58 -04:00
Phoebe Goldman 4781c22967 Vibecode: reducer return values.
Initial Codex-assissted prototype of reducer return values.
Implemented only for Rust modules and the Rust client SDK,
plus the HTTP API.
2026-03-28 14:44:31 -04:00
joshua-spacetime 91ac6aa44a fix delivery; auto-inc its scheduled_id 2026-03-28 11:41:50 -07:00
Phoebe Goldman 311c1f2c12 Add a whole bunch of logging on start and end of operations 2026-03-28 12:12:15 -04:00
Phoebe Goldman 33e8ec0102 Extend timeout on remote calls 2026-03-28 11:51:17 -04:00
joshua-spacetime 1836f95178 update tpcc driver for multiple databases 2026-03-27 18:35:16 -07:00
Phoebe Goldman 10f21f23cf Use BSATN for remote calls instead of JSON
JSON was getting wacky case-conversion errors I didn't feel like fixing,
so I just modified the `database/call` route to accept `application/octet-stream` with BSATN.
2026-03-27 17:31:42 -04:00
Phoebe Goldman d7776c70fc Include content-type header 2026-03-27 16:41:35 -04:00
Phoebe Goldman f718db5f8d Update payment to connect to a remote database when necessary 2026-03-27 15:52:19 -04:00
Phoebe Goldman 9d3086cd31 Reorganize module, make tests work 2026-03-27 12:03:06 -04:00
Phoebe Goldman d35b491d39 Finish rewriting new_order, and commentary on non-conformance 2026-03-27 11:30:01 -04:00
Phoebe Goldman 1a74fe9ea4 Start rewriting tpcc module to do IDC for cross-warehouse transactions
Incomplete. I've mostly rewritten `new_order`, which I think is the hard one.
I haven't yet started rewriting `payment`.

`new_order` is still incomplete in that I haven't wired up reporting of `s_quantity`.
This is an isolation hazard, as discussed out-of-band.
2026-03-26 17:46:31 -04:00
joshua-spacetime d84b7a7f9e Add first-pass TPC-C module and Rust benchmark runner 2026-03-25 22:24:53 -07:00
Jason Larabie f8d6d76ee4 Update Unreal SDK to websocket 2.0 (#4497)
# Description of Changes

- Updated the Unreal SDK and generated Unreal bindings for the websocket
2.0 protocol/model
  - Reworked DbConnectionBase to handle the updated message shapes
- Switched subscription handling over to new message types and
QuerySetId
- Updated reducer to ReducerResult, removal of callbacks, and set
reducer flags
  - Added event table support
- Baked in multi-module support replacing [the old
PR](<https://github.com/clockworklabs/SpacetimeDB/pull/3417>)
- Added functionality to generate module support for multiple folders in
the Unreal project (add <module>.Build.cs, <module>.h, <module>.cpp)
using the --module-name
- Add new configuration option for spacetime generate to handle module
prefix
 - Regenerated Unreal Blackholio/TestClient/QuickstartChat bindings
   - Rebuilt Unreal Blackholio's consume entity to use event tables 
 - Updated migration documentation
 - Updated the version bump tool to impact C++

# API and ABI breaking changes

- Unreal websocket/message handling updated to the new protocol
- Unreal generation now expects a real .uproject target and will stop
immediately if project
    metadata is invalid instead of continuing past setup issues.

# Expected complexity level and risk

3 - A large set of changes to update the websocket/message handling
along with heavy codegen changes to handle multi-module support

# Testing

Test coverage of the Unreal SDK will need expansion in a future ticket
once our issues with flakiness on CI is resolved.

- [x] Updated Unreal Blackholio 
- [x] Ran full Unreal SDK test suite
- [x] Built new test project using the new `--module-prefix` 
- [x] Run through Unreal Blackholio (C++ and Blueprint)
- [x] Rebuilt Unreal Blackholio with multi-module, and duplicate
generated module testing side-by-side modules that would overlap

# Review Question(s)
- [x] Updates to `spacetime init` have made the tutorial a little
confusing with pathing for the Unreal Blackholio tutorial. To fix though
we'd have to update all the commands to be more explicit, or update the
tutorial `spacetime init` to use `--project-path .` to keep pathing
simpler, thoughts?

---------

Signed-off-by: Jason Larabie <jason@clockworklabs.io>
Co-authored-by: Ryan <r.ekhoff@clockworklabs.io>
2026-03-18 21:14:06 +00:00
joshua-spacetime a39b81b087 [C#] Primary keys for query builder views (#4626)
# Description of Changes

Same change set as
https://github.com/clockworklabs/SpacetimeDB/pull/4614, just targeting
master.

The return type of a query builder view is now a special SATS product
type `{ __query__: T }`. A view with this return type now has a primary
key if `T` has a primary key. This means that client codegen will
generate an `OnUpdate` callback for such views. It will also generate
query builder index bindings for the primary key column.

# API and ABI breaking changes

None. Old modules with query builder views still work, they just don't
have primary keys.

# Expected complexity level and risk

2

# Testing

Added equivalent tests to the ones that were added in #4573 and #4572.
2026-03-13 00:57:50 +00:00
joshua-spacetime 6eaf06b6b5 [Rust] Primary keys for query builder views (#4572)
# Description of Changes

Query builder views return a subset of rows from a physical table. If
that table has a primary key, then so should the view. What this means
concretely is that the view should expose the same api as the table,
specifically as it relates to the primary key column.

With that in mind, this patch commits the following changes:
1. Annotates `ViewDef` with a `primary_key`
2. Updates the return type of query builder views in the raw module def
to a special product type
3. Adds an index for the primary key on the view's backing table
4. Updates the query planner to use this index
5. Updates rust client codegen to generate `on_update` for such views

# API and ABI breaking changes

None

Old `impl Query` views compiled with an older version of SpacetimeDB
will continue to work as they did before - without a primary key.

# Expected complexity level and risk

3

# Testing

- [x] New rust sdk integration suite exercising `on_update` for PK views
and semijoin scenarios
- [x] Smoketests for PK views and semijoin scenarios
2026-03-11 13:00:43 +00:00
Noa 8cb2038f85 Fix 'unsafe attr without unsafe' error (#4534)
# Description of Changes

Followup to #3802; was causing issues in modules in private. Rust 2024
now requires `unsafe()` around certain attributes, but the `settings`
macro was added after I first opened that PR, so I didn't wrap it.
Additionally, `settings` wasn't tested in this repo, so it wasn't
caught.

# Expected complexity level and risk

1

# Testing

- [x] Added use of `#[spacetimedb::settings]` in `module-test`
2026-03-03 19:58:44 +00:00
Noa e3582131fe Migrate to Rust 2024 (#3802)
# Description of Changes

It'd be best to review this commit-by-commit, and using
[difftastic](https://difftastic.wilfred.me.uk) to easily tell when
changes are minor in terms of syntax but a line based diff doesn't show
that.

# Expected complexity level and risk

3 - edition2024 does bring changes to drop order, which could cause
issues with locks, but I looked through [all of the warnings that
weren't fixed
automatically](https://gistcdn.githack.com/coolreader18/80485ae5c5f82de1784229cce2febb26/raw/ba80f3fecda66ceb34f4f7ad73b98ea02d4893a2/warnings.html)
and couldn't find any issues.

# Testing

n/a; internal code change
2026-03-03 11:06:52 +00:00
Jason Larabie 14f79910ee Update C++ module bindings to RawModuleDefV10 (#4461)
# Description of Changes
- Migrated the C++ module-definition assembly path to V10-first
internals:
      - Added v10_builder and module_type_registration systems.
- Switched Module::__describe_module__ to serialize RawModuleDef with
V10 payload.
      - Updated macro registration pipeline to register through V10
- Added explicit naming support across macro surface (*_NAMED variants
for reducer/procedure/
        view and field/index macros).
- Reworked multi-column index macros (FIELD_MultiColumnIndex,
FIELD_MultiColumnIndex_NAMED) with
        migration alias.
- Added SPACETIMEDB_SETTING_CASE_CONVERSION(...) to support case
conversion policy
- Error-path hardening by adding explicit constraint-registration error
tracking and preinit validation
  - Codegen updates:
      - Updated C++ moduledef regen to V10 builder types.
- Adjusted C++ codegen duplicate-variant wrapper generation to emit
proper product-type
        wrappers.
  - Test/harness updates:
- type-isolation-test runner now defaults to focused V10 regression
checks; --v9 runs broader
        legacy/full suite.
      - Added focused modules for positive/negative V10 checks:
          - test_multicolumn_index_valid
          - error_multicolumn_missing_field
          - error_default_missing_field
- Re-enabled C++ paths in sdks/rust/tests/test.rs procedure/view/test
suites.

# API and ABI breaking changes

- Refactor of the underlying module definition
- New *_NAMED variant macros for explicit canonical naming
- FIELD_NamedMultiColumnIndex renamed to FIELD_MultiColumnIndex

# Expected complexity level and risk

3 - Large set of changes moving over to V10 with underlying changes to
make future updates a little easier

# Testing
- [x] Ran the type isolation test and expanded it
- [x] Ran the spacetimedb-sdk test framework to confirm no more drift
between C++ and other module languages
- [x] Ran Unreal test suite though not really applicable
- [x] New app creation with `spacetime init --template basic-cpp`
- [x] Ran describe module tests against Rust + C# matching with C++ on
the /modules/sdk-test* modules to find any possible mis-alignment

# Review
- [x] Another look at the new features with C++
- [x] Thoughts on *_NAMED macros, I couldn't come up with a better
solution with C++20
2026-02-28 07:05:50 +00:00
Shubham Mishra e2f8a60759 Case conversion (#4263)
# Description of Changes

Update the Default casing policy to `snake_case` for `RawModuleDefV10`.

Messy PR contains changes at different places, so that CI can pass:

Here are the main changes as follows:
- `bindings-macro` & `bindings` crate: `name` macro in Indexes for
canonical name and supply it to `RawModuleDefV10` via `ExplicitNames`.
- `bindings-typescript`: 
- Changes has been reviewed through this PR -
https://github.com/clockworklabs/SpacetimeDB/pull/4308.
   
- `binding-csharp`: a single line change to pass `sourceName` of index
instead of null.
- `codegen`:
  
- Changes has been merged from branch -
https://github.com/clockworklabs/SpacetimeDB/pull/4337.
  
- Except a fix in rust codegen to use canonical name in Query buillder
instead of accessor.
  
- `lib/db/raw_def`: Extends `RawDefModuleV10` structure to support case
conversion.
  
- `schema` crate:
- `validate/v9` - Nothing itself should change or changes in v9
validation logic but the file contains a `CoreValidator` which is shared
with `validate/v10`. No test have t be updated to `validate/v9` which
ensures we aren't regressing it.
- `validate/v10`: This is the main meat, look at the new tests added in
bottom to understand what it does.
     
   -  Rest of the files are either test updates or module bindings. 
     
    ## Testing:
1. Extensive unit tests have been added to verify generated `ModuleDef`
is correct.
2. I have done some e2e testing to verify rust codegen with rust and
typescript modules.
3. I would have like to do more testing for other codegens , I am
continue doing .

I have removed `sql.py` smoketest, as that seems to be already migated
in new framework and was headache to update.

## Expected complexity level and risk
4, It could have side-effect which aren't easily visible.


 
 
 
 
 
 -  -  -

---------

Signed-off-by: Shubham Mishra <shivam828787@gmail.com>
Co-authored-by: rekhoff <r.ekhoff@clockworklabs.io>
Co-authored-by: clockwork-labs-bot <clockwork-labs-bot@users.noreply.github.com>
Co-authored-by: clockwork-labs-bot <bot@clockworklabs.com>
Co-authored-by: joshua-spacetime <josh@clockworklabs.io>
Co-authored-by: Noa <coolreader18@gmail.com>
Co-authored-by: = <cloutiertyler@gmail.com>
Co-authored-by: clockwork-labs-bot <clockwork-labs-bot@clockworklabs.io>
Co-authored-by: Jason Larabie <jason@clockworklabs.io>
Co-authored-by: Phoebe Goldman <phoebe@clockworklabs.io>
2026-02-20 10:44:29 +00:00
Ryan e03b7d7516 Updated C# Name attribute to Accessor (#4306)
# Description of Changes

Implementation of #4295

Convert existing `Name` attribute to `Accessor` to support new Canonical
Case conversation of 2.0

# API and ABI breaking changes

Yes, in C# modules, we no longer use the attribute name `Name`, it
should now be `Accessor`

# Expected complexity level and risk

1

# Testing

- [X] Build and tested locally
- [X] Ran regression tests locally
2026-02-17 01:16:16 +00:00
Shubham Mishra e4098f98d9 Rust: macro change name -> accessor (#4264)
## Description of Changes

This PR primarily affects the `bindings-macro` and `schema` crates to
review:

### Core changes

1. Replaces the `name` macro with `accessor` for **Tables, Views,
Procedures, and Reducers** in Rust modules.
2. Extends `RawModuleDefV10` with a new section for:

   * case conversion policies
   * explicit names
    New sections are not validated in this PR so not functional.
3. Updates index behavior:

* Index names are now always **system-generated** for clients. Which
will be fixed in follow-up PR when we start validating RawModuleDef with
explicit names.
   * The `accessor` name for an index is used only inside the module.


## Breaking changes (API/ABI)

1. **Rust modules**

   * The `name` macro must be replaced with `accessor`.

2. **Client bindings (all languages)**

* Index names are now system-generated instead of using explicitly
provided names.


**Complexity:** 3

A follow-up PR will reintroduce explicit names with support for case
conversion.

---------

Co-authored-by: rekhoff <r.ekhoff@clockworklabs.io>
Co-authored-by: clockwork-labs-bot <clockwork-labs-bot@users.noreply.github.com>
Co-authored-by: clockwork-labs-bot <bot@clockworklabs.com>
2026-02-16 15:23:50 +00:00
Piotr Sarnacki 4c962b9170 spacetime.json config implementation (#4199)
# Description of Changes

This PR implements support for the `spacetime.json` configuration file
that can be used to set up common `generate` and `publish` targets. An
example of `spacetime.json` could look like this:

```
{
  "dev_run": "pnpm dev",
  "generate": [
    { "out-dir": "./foobar", "module-path": "region-module", "language": "c-sharp" },
    { "out-dir": "./global", "module-path": "global-module", "language": "c-sharp" },
  ],
  "publish": {
    "database": "bitcraft",
    "module-path": "spacetimedb",
    "server": "local",
    "children": [
      { "database": "region-1", "module-path": "region-module", server: "local" },
      { "database": "region-2", "module-path": "region-module", server: "local" }
    ]
  }
}
```

With this config, running `spacetime generate` without any arguments
would generate bindings for two targets: `region-module` and
`global-module`. `spacetime publish` without any arguments would publish
three modules, starting from the parent: `bitcraft`, `region-1`, and
`region-2`. On top of that, the command `pnpm dev` would be executed
when using `spacetime dev`.

It is also possible to pass additional command line arguments when
calling the `publish` and `generate` commands, but there are certain
limitations. There is a special case when passing either a module path
to generate or a module name to publish. Doing that will filter out
entries in the config file that do not match. For example, running:

```
spacetime generate --project-path global-module
```

would only generate bindings for the second entry in the `generate`
list.

In a similar fashion, running:

```
spacetime publish region-1
```

would only publish the child database with the name `region-1`

Passing other existing arguments is also possible, but not all of the
arguments are available for multiple configs. For example, when running
`spacetime publish --server maincloud`, the publish command would be
applied to all of the modules listed in the config file, but the
`server` value from the command line arguments would take precedence.
Running with arguments like `--bin-path` would, however, would throw an
error as `--bin-path` makes sense only in a context of a specific
module, thus this wouldn't work: `spacetime publish --bin-path
spacetimedb/target/debug/bitcraft.wasm`. I will throw an error unless
there is only one entry to process, thus `spacetime publish --bin-path
spacetimedb/target/debug/bitcraft.wasm bitcraft` would work, as it
filters the publish targets to one entry.

# API and ABI breaking changes

None

# Expected complexity level and risk

3

The config file in itself is not overly complex, but when coupled with
the CLI it is somewhat tricky to get right. There are also some changes
that I had to make to how clap arguments are validated - because the
values can now come from both the config file and the clap config, we
can't use some of the built-in validations like `required`, or at least
I haven't found a clean way to do so.

# Testing

I've added some automated tests, but more tests and manual testing is
coming.

---------

Signed-off-by: Tyler Cloutier <cloutiertyler@users.noreply.github.com>
Co-authored-by: bradleyshep <148254416+bradleyshep@users.noreply.github.com>
Co-authored-by: clockwork-labs-bot <clockwork-labs-bot@users.noreply.github.com>
Co-authored-by: = <cloutiertyler@gmail.com>
Co-authored-by: Tyler Cloutier <cloutiertyler@users.noreply.github.com>
2026-02-15 23:22:44 +00:00
Tyler Cloutier 3f58b5951b Implement event tables (server, Rust/TS/C# codegen + client SDKs) (#4217)
## Summary

Implements event tables end-to-end: server datastore, module bindings
(Rust/TypeScript/C#), client codegen (Rust/TypeScript/C#), client SDKs
(Rust/TypeScript/C#), and integration tests.

Event tables are tables whose rows are ephemeral — they persist to the
commitlog and are delivered to V2 subscribers, but are NOT merged into
committed state. Rows are only visible within the transaction that
inserted them. This is the mechanism that replaces reducer event
callbacks in 2.0.

## What's included

### Server
- `is_event` flag on `RawTableDefV10`, `TableDef`, `TableSchema`
- Event table rows recorded in TxData but skipped during committed state
merge
- Commitlog replay treats event table inserts as no-ops
- Migration validation rejects changing `is_event` between module
versions
- `SELECT * FROM *` excludes event tables
- V1 WebSocket subscriptions to event tables rejected with upgrade
message
- V2 subscription path delivers event table rows correctly
- `CanBeLookupTable` trait — event tables cannot be lookup tables in
semijoins
- Runtime view validation rejects event tables

### Module bindings
- **Rust**: `#[spacetimedb::table(name = my_events, public, event)]`
- **TypeScript**: `table({ event: true }, ...)`
- **C#**: `[Table(Event = true)]`

### Client codegen (`crates/codegen/`)
- **Rust**: Generates `EventTable` impl (insert-only) for event tables,
`Table` impl for normal tables. `CanBeLookupTable` emitted for non-event
tables.
- **TypeScript**: Emits `event: true` in generated table schemas.
`ClientTableCore` type excludes `onDelete`/`onUpdate` for event tables
via conditional types.
- **C#**: Generates classes inheriting from `RemoteEventTableHandle`
(which hides `OnDelete`/`OnBeforeDelete`/`OnUpdate`) for event tables.

### Client SDKs
- **Rust**: `EventTable` trait with insert-only callbacks, client cache
bypass, `count()` returns 0, `iter()` returns empty
- **TypeScript**: Event table cache bypass in `table_cache.ts` — fires
`onInsert` callbacks but doesn't store rows. Type-level narrowing
excludes delete/update methods.
- **C#**: `RemoteEventTableHandle` base class hides delete/update
events. Parse/Apply/PostApply handle `EventTableRows` wire format, skip
cache storage, fire only `OnInsert`.

### Tests
- 9 datastore unit tests (insert/delete/update semantics, replay,
constraints, indexes, auto-inc, cross-tx reset)
- 3 Rust SDK integration tests (basic events, multiple events per
reducer, no persistence across transactions)
- Codegen snapshot tests (Rust, TypeScript, C#)
- Trybuild compile tests (event tables rejected as semijoin lookup
tables)

## Deferred
- `on_delete` codegen for event tables (server only sends inserts;
client synthesis deferred)
- Event tables in subscription joins / views (well-defined but
restricted for now)
- C++ SDK support
- RLS integration test

## API and ABI breaking changes

- `is_event: bool` added to `RawTableDefV10` (appended, defaults to
`false` — existing modules unaffected)
- `CanBeLookupTable` trait bound on semijoin methods in query builder
(all non-event tables implement it, so existing code compiles unchanged)
- `RemoteEventTableHandle` added to C# SDK (new base class for generated
event table handles)

## Expected complexity level and risk

3 — Changes touch the schema pipeline end-to-end and all three client
SDKs, but each individual change is straightforward. The core risk area
is the committed state merge skip in `committed_state.rs`. Client SDK
changes are additive (new code paths for event tables, existing paths
unchanged).

## Testing

- [x] `cargo clippy --workspace --tests --benches` passes
- [x] `cargo test -p spacetimedb-codegen` (snapshot tests)
- [x] `cargo test -p spacetimedb-datastore --features
spacetimedb-schema/test -- event_table` (9 unit tests)
- [x] `pnpm format` passes
- [x] Rust SDK integration tests pass (`event_table_tests` module)

---------

Signed-off-by: Tyler Cloutier <cloutiertyler@users.noreply.github.com>
Co-authored-by: Phoebe Goldman <phoebe@goldman-tribe.org>
Co-authored-by: Jason Larabie <jason@clockworklabs.io>
Co-authored-by: joshua-spacetime <josh@clockworklabs.io>
2026-02-15 22:56:20 +00:00
Noa c044d96a7a [TS] schema() takes an object (#4273)
# Description of Changes

Implements the rest of the casing proposal.

# Expected complexity level and risk

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where 1 is a trivial change, and 5 is a deep-reaching and complex
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This complexity rating applies not only to the complexity apparent in
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If you answered more than a 2, explain what is complex about the PR,
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# Testing

<!-- Describe any testing you've done, and any testing you'd like your
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so that you're confident that all the changes work as expected! -->

- [ ] <!-- maybe a test you want to do -->
- [ ] <!-- maybe a test you want a reviewer to do, so they can check it
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2026-02-13 07:53:42 +00:00
Tyler Cloutier 57b7ef5e79 Limit update() to only work on primary keys (#4279)
## Summary
- Restricts `update()` across all three server-side SDKs (Rust, C#,
TypeScript) to only work on primary key columns, not all unique columns
- Calling `update()` on a non-PK unique column is semantically a
delete+insert — clients won't see it as a row update unless the primary
key stays the same
- Fresh re-implementation of #1862, extended to cover C# and TypeScript
bindings

### Design principle

Primary key is a constraint on columns, not a property of indexes. An
index is unique or not unique — whether `update()` is available is
derived from the column's attributes at the point of use, not stored on
the index.

This differs from #1862 which introduced a `Uniqueness` enum (`No |
Unique | PrimaryKey`) on the index itself. Instead, we keep `is_unique:
bool` and check the column metadata where needed.

### Rust changes
- Add `PrimaryKey` marker trait and `where Col: PrimaryKey` bound on
`UniqueColumn::update()`
- `marker_type()` receives `primary_key_column` and checks the column
directly — no `is_pk` field on the index
- `sdk-test` unique tables use `update_non_pk_by` (delete+insert)
instead of `update_by`
- Benchmarks that used `update()` on `#[unique]` columns changed to
either `#[primary_key]` or delete+insert

### C# changes
- Only emit `Update()` on `UniqueIndex` when the column has `PrimaryKey`
attrs
- Update `unique_*` test reducers in `sdk-test-cs` to use
`Delete()`+`Insert()` instead

### TypeScript changes
- `UniqueIndex` now has only `find` + `delete` (no `update`)
- `AllColumnsPrimaryKey` type-level helper checks column metadata from
the `TableDef`
- `Index` routing conditionally intersects `{ update() }` when columns
are PK
- Runtime only attaches `update` method for PK unique indexes
- `sdk-test-ts` unique tables use delete+insert instead of update
- Type-level test in `schema.test-d.ts` verifies `id.update()` compiles
(PK) and `name2.update` errors (non-PK unique)

## Test plan
- [x] C# codegen tests pass (`dotnet test
crates/bindings-csharp/Codegen.Tests`)
- [x] Rust SDK test module compiles
- [x] Benchmarks compile
- [x] TypeScript type checks pass (`npx tsc --noEmit`)
- [ ] CI passes

Closes #1862
2026-02-13 00:56:54 +00:00
Phoebe Goldman 98585e858d Rename with_module_name -> with_database_name (#4267)
# Description of Changes

Modules are like programs, databases are like processes. Your client
connects to a remote database, not a remote module.

<!-- Please describe your change, mention any related tickets, and so on
here. -->

# API and ABI breaking changes

Yep!

# Expected complexity level and risk

2? I made this change with find + replace, and it's possible that I
borked the edit, or missed some reference somehow. It seems unlikely,
however, that this change will have deeper implications we haven't
considered.

# Testing

N/a
2026-02-12 02:11:33 +00:00
Noa 7677b5478f [TS] Export reducers, etc from a module (#4220)
# Description of Changes

Haven't changed `schema()` to accept an object yet, maybe that's for a
followup?

Now everything exported from the module must be exported from the
typescript module.

# Expected complexity level and risk

<!--
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to 5,
where 1 is a trivial change, and 5 is a deep-reaching and complex
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but also to its interactions with existing and future code.

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# Testing

<!-- Describe any testing you've done, and any testing you'd like your
reviewers to do,
so that you're confident that all the changes work as expected! -->

- [ ] <!-- maybe a test you want to do -->
- [ ] <!-- maybe a test you want a reviewer to do, so they can check it
off when they're satisfied. -->
2026-02-11 22:45:36 +00:00
Jason Larabie 52b6c66fa1 Add C++ Bindings (#3544)
# Description of Changes

This adds C++ server bindings (/crate/bindings-cpp) to allow writing C++
20 modules.

- Emscripten WASM build system integration with CMake
- Macro-based code generation (SPACETIMEDB_TABLE, SPACETIMEDB_REDUCER,
etc)
- All SpacetimeDB types supported (primitives, Timestamp, Identity,
Uuid, etc)
- Product types via SPACETIMEDB_STRUCT
- Sum types via SPACETIMEDB_ENUM
- Constraints marked with FIELD* macros

# API and ABI breaking changes

None

# Expected complexity level and risk

2 - Doesn't heavily impact any other areas but is complex macro C++
structure to support a similar developer experience, did have a small
impact on init command

# Testing

- [x] modules/module-test-cpp - heavily tested every reducer
- [x] modules/benchmarks-cpp - tested through the standalone (~6x faster
than C#, ~6x slower than Rust)
- [x] modules/sdk-test-cpp
- [x] modules/sdk-test-procedure-cpp
- [x] modules/sdk-test-view-cpp  
- [x] Wrote several test modules myself
- [x] Quickstart smoketest [Currently in progress]
- [ ] Write Blackholio C++ server module

---------

Signed-off-by: Jason Larabie <jason@clockworklabs.io>
Co-authored-by: clockwork-labs-bot <clockwork-labs-bot@users.noreply.github.com>
Co-authored-by: Ryan <r.ekhoff@clockworklabs.io>
Co-authored-by: John Detter <4099508+jdetter@users.noreply.github.com>
2026-02-07 04:26:45 +00:00
joshua-spacetime 117c7eeb2e [2.0 Breaking] Make connection_id a method on ReducerContext (#4215)
# Description of Changes

Same changes as https://github.com/clockworklabs/SpacetimeDB/pull/4101
but for `connection_id`.

# API and ABI breaking changes

API Breaking

# Expected complexity level and risk

1

# Testing

Pure refactor. Tests and docs have been updated, but no new tests added.
2026-02-06 04:17:36 +00:00