CREATE TABLE "sys"."node_instance" (
	"workflow_id" text NOT NULL,
	"node_id" text NOT NULL,
	"instance" integer NOT NULL,
	"running" boolean DEFAULT false NOT NULL,
	"waiting" boolean DEFAULT false NOT NULL,
	"activated" boolean DEFAULT true NOT NULL,
	"terminal" text,
	"failure_digested" boolean,
	"task_id" text,
	"approval_id" text,
	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
	CONSTRAINT "node_instance_workflow_id_node_id_instance_pk" PRIMARY KEY("workflow_id","node_id","instance")
);
--> statement-breakpoint
CREATE TABLE "sys"."process_package" (
	"id" text NOT NULL,
	"version" integer NOT NULL,
	"name" text NOT NULL,
	"state" text DEFAULT 'draft' NOT NULL,
	"definition" jsonb NOT NULL,
	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
	"published_at" timestamp with time zone,
	CONSTRAINT "process_package_id_version_pk" PRIMARY KEY("id","version")
);
--> statement-breakpoint
CREATE TABLE "sys"."workflow" (
	"id" text PRIMARY KEY NOT NULL,
	"package_id" text NOT NULL,
	"package_version" integer NOT NULL,
	"subject" text NOT NULL,
	"state" text DEFAULT 'running' NOT NULL,
	"source" jsonb NOT NULL,
	"initiation" jsonb NOT NULL,
	"ports" jsonb DEFAULT '{}'::jsonb NOT NULL,
	"vars" jsonb DEFAULT '{}'::jsonb NOT NULL,
	"started_at" timestamp with time zone DEFAULT now() NOT NULL,
	"finished_at" timestamp with time zone
);
--> statement-breakpoint
CREATE INDEX "node_instance_task_idx" ON "sys"."node_instance" USING btree ("task_id");--> statement-breakpoint
CREATE INDEX "process_package_state_idx" ON "sys"."process_package" USING btree ("state");--> statement-breakpoint
CREATE INDEX "workflow_state_idx" ON "sys"."workflow" USING btree ("state","started_at");