diff --git a/docs/src/js/classes/Connection.md b/docs/src/js/classes/Connection.md index 75af5102e..07cdd5d77 100644 --- a/docs/src/js/classes/Connection.md +++ b/docs/src/js/classes/Connection.md @@ -798,6 +798,28 @@ abstract openTable( *** +### pauseJob() + +```ts +abstract pauseJob(jobId): Promise +``` + +Pause a server-side job by id. + +The job's workers drain and it stays parked until resumed. Resolves to +"pausing", "already_paused", or "committing" -- a job finalizing its +results cannot be parked; retry shortly. + +#### Parameters + +* **jobId**: `string` + +#### Returns + +`Promise`<`string`> + +*** + ### renameTable() ```ts @@ -831,6 +853,28 @@ a "not supported" error. *** +### resumeJob() + +```ts +abstract resumeJob(jobId): Promise +``` + +Resume a paused server-side job by id. + +Its workers pick their work back up from checkpoints. Resolves to +"resumed", "still_pausing" -- the pause's worker drain is not confirmed +yet; retry shortly -- or "not_paused". + +#### Parameters + +* **jobId**: `string` + +#### Returns + +`Promise`<`string`> + +*** + ### ~~tableNames()~~ #### tableNames(options) diff --git a/nodejs/__test__/remote.test.ts b/nodejs/__test__/remote.test.ts index 4c1d21604..caa0c9583 100644 --- a/nodejs/__test__/remote.test.ts +++ b/nodejs/__test__/remote.test.ts @@ -1152,6 +1152,24 @@ describe("remote connection jobs surface", () => { res .writeHead(200, { "Content-Type": "application/json" }) .end('{"job_id": "job-1"}'); + } else if (req.url === "/v1/jobs/pause") { + if (payload["job_id"] !== "job-1") { + res.writeHead(404).end("no such job"); + return; + } + res + .writeHead(200, { "Content-Type": "application/json" }) + .end('{"job_id": "job-1", "paused": true}'); + } else if (req.url === "/v1/jobs/resume") { + if (payload["job_id"] !== "job-1") { + res.writeHead(404).end("no such job"); + return; + } + res + .writeHead(200, { "Content-Type": "application/json" }) + .end( + '{"job_id": "job-1", "resumed": false, "still_pausing": true}', + ); } else if (req.url === "/v1/jobs/query_events") { queryEventsPayloads.push(payload); res @@ -1173,6 +1191,9 @@ describe("remote connection jobs surface", () => { expect(await db.cancelJob("job-1")).toBe(true); expect(await db.cancelJob("missing")).toBe(false); + expect(await db.pauseJob("job-1")).toEqual("pausing"); + expect(await db.resumeJob("job-1")).toEqual("still_pausing"); + // Opening a job hands back a populated handle; a missing one rejects. await expect(db.openJob("missing")).rejects.toThrow("not found"); const finished = await db.openJob("job-2"); diff --git a/nodejs/lancedb/connection.ts b/nodejs/lancedb/connection.ts index 9637d60c2..3bbd2e74e 100644 --- a/nodejs/lancedb/connection.ts +++ b/nodejs/lancedb/connection.ts @@ -640,6 +640,24 @@ export abstract class Connection { * such job exists. Cancelling an already-terminal job is a no-op success. */ abstract cancelJob(jobId: string): Promise; + + /** + * Pause a server-side job by id. + * + * The job's workers drain and it stays parked until resumed. Resolves to + * "pausing", "already_paused", or "committing" -- a job finalizing its + * results cannot be parked; retry shortly. + */ + abstract pauseJob(jobId: string): Promise; + + /** + * Resume a paused server-side job by id. + * + * Its workers pick their work back up from checkpoints. Resolves to + * "resumed", "still_pausing" -- the pause's worker drain is not confirmed + * yet; retry shortly -- or "not_paused". + */ + abstract resumeJob(jobId: string): Promise; } /** @hideconstructor */ @@ -1035,6 +1053,14 @@ export class LocalConnection extends Connection { async cancelJob(jobId: string): Promise { return this.inner.cancelJob(jobId); } + + async pauseJob(jobId: string): Promise { + return this.inner.pauseJob(jobId); + } + + async resumeJob(jobId: string): Promise { + return this.inner.resumeJob(jobId); + } } /** diff --git a/nodejs/src/connection.rs b/nodejs/src/connection.rs index ee2a9470b..ff33807b7 100644 --- a/nodejs/src/connection.rs +++ b/nodejs/src/connection.rs @@ -583,6 +583,34 @@ impl Connection { self.get_inner()?.cancel_job(&job_id).await.default_error() } + /// Pause a server-side job by id: its workers drain and it stays parked + /// until resumed. Returns "pausing", "already_paused", or "committing". + #[napi(catch_unwind)] + pub async fn pause_job(&self, job_id: String) -> napi::Result { + let status = self.get_inner()?.pause_job(&job_id).await.default_error()?; + Ok(match status { + lancedb::database::PauseJobStatus::Pausing => "pausing".to_string(), + lancedb::database::PauseJobStatus::AlreadyPaused => "already_paused".to_string(), + lancedb::database::PauseJobStatus::Committing => "committing".to_string(), + }) + } + + /// Resume a paused server-side job by id. Returns "resumed", + /// "still_pausing", or "not_paused". + #[napi(catch_unwind)] + pub async fn resume_job(&self, job_id: String) -> napi::Result { + let status = self + .get_inner()? + .resume_job(&job_id) + .await + .default_error()?; + Ok(match status { + lancedb::database::ResumeJobStatus::Resumed => "resumed".to_string(), + lancedb::database::ResumeJobStatus::StillPausing => "still_pausing".to_string(), + lancedb::database::ResumeJobStatus::NotPaused => "not_paused".to_string(), + }) + } + #[napi(catch_unwind)] /// Describe a namespace and return its properties. pub async fn describe_namespace(