perf(core): Improvements to GET /workflows endpoint (#17086)

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

@@ -65,6 +65,12 @@ export class TagRepository extends Repository<TagEntity> {
 		const dbTags = await this.find({
 			where: { name: In(tags) },
 			relations: ['workflows'],
+			select: {
+				id: true,
+				workflows: {
+					id: true,
+				},
+			},
 		});
 
 		const workflowIdsPerTag = dbTags.map((tag) => tag.workflows.map((workflow) => workflow.id));

packages/cli/src/public-api/v1/handlers/workflows/workflows.handler.ts

@@ -211,9 +211,30 @@ export = {
 				where.id = In(workflowsIds);
 			}
 
+			const selectFields: (keyof WorkflowEntity)[] = [
+				'id',
+				'name',
+				'active',
+				'createdAt',
+				'updatedAt',
+				'isArchived',
+				'nodes',
+				'connections',
+				'settings',
+				'staticData',
+				'meta',
+				'versionId',
+				'triggerCount',
+			];
+
+			if (!excludePinnedData) {
+				selectFields.push('pinData');
+			}
+
 			const [workflows, count] = await Container.get(WorkflowRepository).findAndCount({
 				skip: offset,
 				take: limit,
+				select: selectFields,
 				where,
 				...(!Container.get(GlobalConfig).tags.disabled && { relations: ['tags'] }),
 			});