n8n/docs/generated/sqlite-schema/scheduled_task.md

scheduled_task

Description

Table Definition

CREATE TABLE "scheduled_task" ("id" integer PRIMARY KEY NOT NULL, "jobId" integer NOT NULL, "taskType" varchar(128) NOT NULL, "payload" text NOT NULL DEFAULT ('{}'), "scheduledFor" datetime(3) NOT NULL, "runAt" datetime(3) NOT NULL, "status" varchar(16) NOT NULL DEFAULT ('pending'), "attempts" integer NOT NULL DEFAULT (0), "maxAttempts" integer NOT NULL DEFAULT (1), "claimedBy" varchar(255), "leaseExpiresAt" datetime(3), "leaseEpoch" integer NOT NULL DEFAULT (0), "startedAt" datetime(3), "finishedAt" datetime(3), "errorMessage" text, "createdAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "dispatchedAt" datetime(3), CONSTRAINT "CHK_scheduled_task_running_lease" CHECK ("status" <> 'running' OR "leaseExpiresAt" IS NOT NULL), CONSTRAINT "CHK_scheduled_task_status" CHECK ("status" IN ('pending', 'running', 'succeeded', 'failed', 'missed', 'cancelled')), CONSTRAINT "FK_scheduled_task_jobId" FOREIGN KEY ("jobId") REFERENCES "scheduled_job" ("id") ON DELETE CASCADE)

Columns

Name	Type	Default	Nullable	Children	Parents	Comment
attempts	INTEGER	0	false
claimedBy	varchar(255)		true
createdAt	datetime(3)	STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')	false
dispatchedAt	datetime(3)		true
errorMessage	TEXT		true
finishedAt	datetime(3)		true
id	INTEGER		false
jobId	INTEGER		false		scheduled_job
leaseEpoch	INTEGER	0	false
leaseExpiresAt	datetime(3)		true
maxAttempts	INTEGER	1	false
payload	TEXT	'{}'	false
runAt	datetime(3)		false
scheduledFor	datetime(3)		false
startedAt	datetime(3)		true
status	varchar(16)	'pending'	false
taskType	varchar(128)		false

Constraints

Name	Type	Definition
-	CHECK	CHECK ("status" <> 'running' OR "leaseExpiresAt" IS NOT NULL)
-	CHECK	CHECK ("status" IN ('pending', 'running', 'succeeded', 'failed', 'missed', 'cancelled'))
- (Foreign key ID: 0)	FOREIGN KEY	FOREIGN KEY (jobId) REFERENCES scheduled_job (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE
id	PRIMARY KEY	PRIMARY KEY (id)

Indexes

Name	Definition
IDX_scheduled_task_finishedAt	CREATE INDEX "IDX_scheduled_task_finishedAt" ON "scheduled_task" ("finishedAt") WHERE "finishedAt" IS NOT NULL
IDX_scheduled_task_jobId_scheduledFor	CREATE UNIQUE INDEX "IDX_scheduled_task_jobId_scheduledFor" ON "scheduled_task" ("jobId", "scheduledFor")
IDX_scheduled_task_leaseExpiresAt	CREATE INDEX "IDX_scheduled_task_leaseExpiresAt" ON "scheduled_task" ("leaseExpiresAt") WHERE "status" = 'running'
IDX_scheduled_task_runAt	CREATE INDEX "IDX_scheduled_task_runAt" ON "scheduled_task" ("runAt") WHERE "status" = 'pending'

Relations

erDiagram

"scheduled_task" }o--|| "scheduled_job" : "FOREIGN KEY (jobId) REFERENCES scheduled_job (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE"

"scheduled_task" {
  INTEGER attempts
  varchar_255_ claimedBy
  datetime_3_ createdAt
  datetime_3_ dispatchedAt
  TEXT errorMessage
  datetime_3_ finishedAt
  INTEGER id
  INTEGER jobId FK
  INTEGER leaseEpoch
  datetime_3_ leaseExpiresAt
  INTEGER maxAttempts
  TEXT payload
  datetime_3_ runAt
  datetime_3_ scheduledFor
  datetime_3_ startedAt
  varchar_16_ status
  varchar_128_ taskType
}
"scheduled_job" {
  datetime_3_ createdAt
  varchar_255_ cronExpression
  boolean enabled
  datetime_3_ fireAt
  INTEGER id
  INTEGER intervalSeconds
  varchar_16_ kind
  datetime_3_ lastFiredAt
  INTEGER maxAttempts
  varchar_255_ name
  datetime_3_ nextRunAt
  varchar_36_ nodeId
  TEXT payload
  INT recurrenceSize
  varchar_16_ recurrenceUnit
  varchar_128_ taskType
  varchar_64_ timezone
  datetime_3_ updatedAt
  varchar_36_ workflowId FK
}

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Generated by tbls