feat: split router config

controlplane/migrations/0137_long_warbound.sql

@@ -0,0 +1,21 @@
+CREATE TABLE IF NOT EXISTS "router_config_hash" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"federated_graph_id" uuid NOT NULL,
+	"feature_flag_id" uuid,
+	"hash" text NOT NULL,
+	"created_at" timestamp DEFAULT now(),
+	"updated_at" timestamp,
+	CONSTRAINT "fed_graph_feature_flag_idx" UNIQUE NULLS NOT DISTINCT("federated_graph_id","feature_flag_id")
+);
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "router_config_hash" ADD CONSTRAINT "router_config_hash_federated_graph_id_federated_graphs_id_fk" FOREIGN KEY ("federated_graph_id") REFERENCES "public"."federated_graphs"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+DO $$ BEGIN
+ ALTER TABLE "router_config_hash" ADD CONSTRAINT "router_config_hash_feature_flag_id_feature_flags_id_fk" FOREIGN KEY ("feature_flag_id") REFERENCES "public"."feature_flags"("id") ON DELETE cascade ON UPDATE no action;
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;