CREATE TABLE "task_relation" (
	"id" text PRIMARY KEY NOT NULL,
	"source_task_id" text NOT NULL,
	"target_task_id" text NOT NULL,
	"relation_type" text NOT NULL,
	"created_at" timestamp DEFAULT now() NOT NULL
);
--> statement-breakpoint
ALTER TABLE "task_relation" ADD CONSTRAINT "task_relation_source_task_id_task_id_fk" FOREIGN KEY ("source_task_id") REFERENCES "public"."task"("id") ON DELETE cascade ON UPDATE cascade;--> statement-breakpoint
ALTER TABLE "task_relation" ADD CONSTRAINT "task_relation_target_task_id_task_id_fk" FOREIGN KEY ("target_task_id") REFERENCES "public"."task"("id") ON DELETE cascade ON UPDATE cascade;--> statement-breakpoint
CREATE INDEX "task_relation_source_idx" ON "task_relation" USING btree ("source_task_id");--> statement-breakpoint
CREATE INDEX "task_relation_target_idx" ON "task_relation" USING btree ("target_task_id");