-- CreateTable
CREATE TABLE "Dataset" (
    "id" SERIAL NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,
    "rootCid" TEXT NOT NULL,
    "size" INTEGER NOT NULL,
    "userId" INTEGER NOT NULL,

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

-- CreateTable
CREATE TABLE "DataReference" (
    "id" SERIAL NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,
    "cid" TEXT NOT NULL,
    "size" INTEGER NOT NULL,
    "userId" INTEGER NOT NULL,
    "datasetId" INTEGER,

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

-- AddForeignKey
ALTER TABLE "Dataset" ADD CONSTRAINT "Dataset_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "DataReference" ADD CONSTRAINT "DataReference_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "DataReference" ADD CONSTRAINT "DataReference_datasetId_fkey" FOREIGN KEY ("datasetId") REFERENCES "Dataset"("id") ON DELETE SET NULL ON UPDATE CASCADE;