-- Web Push endpoints, one row per device per account.
CREATE TABLE "PushSubscription" (
    "id" TEXT NOT NULL,
    "ownerId" TEXT NOT NULL,
    "endpoint" TEXT NOT NULL,
    "p256dh" TEXT NOT NULL,
    "auth" TEXT NOT NULL,
    "userAgent" TEXT,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "lastUsedAt" TIMESTAMP(3),
    CONSTRAINT "PushSubscription_pkey" PRIMARY KEY ("id")
);
CREATE UNIQUE INDEX "PushSubscription_endpoint_key" ON "PushSubscription"("endpoint");
CREATE INDEX "PushSubscription_ownerId_idx" ON "PushSubscription"("ownerId");
ALTER TABLE "PushSubscription" ADD CONSTRAINT "PushSubscription_ownerId_fkey"
  FOREIGN KEY ("ownerId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;