-- CreateTable
CREATE TABLE "message_seen" (
    "id" TEXT NOT NULL,
    "seenAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "userId" TEXT NOT NULL,
    "messageId" TEXT NOT NULL,

    CONSTRAINT "message_seen_pkey" PRIMARY KEY ("id")
);

-- CreateIndex
CREATE UNIQUE INDEX "message_seen_userId_messageId_key" ON "message_seen"("userId", "messageId");

-- AddForeignKey
ALTER TABLE "message_seen" ADD CONSTRAINT "message_seen_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "message_seen" ADD CONSTRAINT "message_seen_messageId_fkey" FOREIGN KEY ("messageId") REFERENCES "messages"("id") ON DELETE CASCADE ON UPDATE CASCADE;