fix(core): Mark invalid enqueued executions as crashed during startup for legacy SQLite driver (#17629)

packages/@n8n/config/src/configs/logging.config.ts

@@ -21,6 +21,7 @@ export const LOG_SCOPES = [
 	'ssh-client',
 	'cron',
 	'community-nodes',
+	'legacy-sqlite-execution-recovery',
 ] as const;
 
 export type LogScope = (typeof LOG_SCOPES)[number];

packages/@n8n/db/src/entities/execution-data.ts

@@ -1,4 +1,4 @@
-import { Column, Entity, ManyToOne, PrimaryColumn } from '@n8n/typeorm';
+import { Column, Entity, JoinColumn, OneToOne, PrimaryColumn } from '@n8n/typeorm';
 import { IWorkflowBase } from 'n8n-workflow';
 
 import { JsonColumn } from './abstract-entity';
@@ -21,8 +21,11 @@ export class ExecutionData {
 	@PrimaryColumn({ transformer: idStringifier })
 	executionId: string;
 
-	@ManyToOne('ExecutionEntity', 'data', {
+	@OneToOne('ExecutionEntity', 'executionData', {
 		onDelete: 'CASCADE',
 	})
+	@JoinColumn({
+		name: 'executionId',
+	})
 	execution: ExecutionEntity;
 }

packages/@n8n/db/src/repositories/execution.repository.ts

@@ -139,6 +139,26 @@ export class ExecutionRepository extends Repository<ExecutionEntity> {
 		super(ExecutionEntity, dataSource.manager);
 	}
 
+	// Find all executions that are in the 'new' state but do not have associated execution data.
+	// These executions are considered invalid and will be marked as 'crashed'.
+	// Since there is no join in this query the returned ids are unique.
+	async findQueuedExecutionsWithoutData(): Promise<ExecutionEntity[]> {
+		return await this.createQueryBuilder('execution')
+			.where('execution.status = :status', { status: 'new' })
+			.andWhere(
+				'NOT EXISTS (' +
+					this.manager
+						.createQueryBuilder()
+						.select('1')
+						.from(ExecutionData, 'execution_data')
+						.where('execution_data.executionId = execution.id')
+						.getQuery() +
+					')',
+			)
+			.select('execution.id')
+			.getMany();
+	}
+
 	async findMultipleExecutions(
 		queryParams: FindManyOptions<ExecutionEntity>,
 		options?: {
@@ -219,7 +239,10 @@ export class ExecutionRepository extends Repository<ExecutionEntity> {
 
 		this.errorReporter.error(
 			new UnexpectedError('Found executions without executionData', {
-				extra: { executionIds: executions.map(({ id }) => id) },
+				extra: {
+					executionIds: executions.map(({ id }) => id),
+					isLegacySqlite: this.globalConfig.database.isLegacySqlite,
+				},
 			}),
 		);
 	}