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MR-771: demote Run to direct-publish via expected_table_versions CAS

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mutate_as and load now write directly to target tables and call the
publisher once at the end with per-table expected versions; the Run
state machine, _graph_runs.lance writers, __run__ staging branches,
and server /runs/* endpoints are removed. Multi-statement mutations
remain atomic at the manifest level via an in-memory MutationStaging
accumulator that gives read-your-writes within a query and a single
publish at the end. Concurrent-writer conflicts surface as
ExpectedVersionMismatch (HTTP 409 manifest_conflict) instead of the
old DivergentUpdate merge shape. Documents one known limitation in
docs/runs.md: a multi-statement mid-query failure where op-N writes
a Lance fragment and op-N+1 fails leaves Lance HEAD ahead of the
manifest until a follow-up introduces per-table Lance branches.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Ragnor Comerford 2026-04-30 08:52:50 +02:00
parent 4e5374a85e
commit 35be20cb05
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28 changed files with 1188 additions and 3216 deletions
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17
crates/omnigraph-cli/tests/support/mod.rs
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@ -8,8 +8,6 @@ use std::thread::sleep;
use std::time::Duration;
use assert_cmd::Command;
use omnigraph::db::Omnigraph;
use omnigraph::loader::LoadMode;
use reqwest::blocking::Client;
use serde_json::Value;
use tempfile::{TempDir, tempdir};
@ -223,21 +221,6 @@ pub fn spawn_server_with_config_env(config: &Path, envs: &[(&str, &str)]) -> Tes
spawn_server_process(command)
}
pub async fn begin_manual_run(repo: &Path, target_branch: &str) -> String {
let mut db = Omnigraph::open(repo.to_str().unwrap()).await.unwrap();
let run = db
.begin_run(target_branch, Some("cli-test-run"))
.await
.unwrap();
db.load(
&run.run_branch,
r#"{"type":"Person","data":{"name":"Eve","age":29}}"#,
LoadMode::Append,
)
.await
.unwrap();
run.run_id.as_str().to_string()
}
pub struct SystemRepo {
_temp: TempDir,