-- AlterTable
ALTER TABLE "Account" ADD COLUMN     "seq" INTEGER NOT NULL DEFAULT 0;

-- CreateTable
CREATE TABLE "Session" (
    "id" TEXT NOT NULL,
    "accountId" TEXT NOT NULL,
    "seq" INTEGER NOT NULL DEFAULT 0,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "SessionMessage" (
    "id" TEXT NOT NULL,
    "sessionId" TEXT NOT NULL,
    "seq" INTEGER NOT NULL,
    "content" JSONB NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

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

-- CreateTable
CREATE TABLE "Update" (
    "id" TEXT NOT NULL,
    "accountId" TEXT NOT NULL,
    "seq" INTEGER NOT NULL,
    "content" JSONB NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,

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

-- AddForeignKey
ALTER TABLE "Session" ADD CONSTRAINT "Session_accountId_fkey" FOREIGN KEY ("accountId") REFERENCES "Account"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "SessionMessage" ADD CONSTRAINT "SessionMessage_sessionId_fkey" FOREIGN KEY ("sessionId") REFERENCES "Session"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Update" ADD CONSTRAINT "Update_accountId_fkey" FOREIGN KEY ("accountId") REFERENCES "Account"("id") ON DELETE RESTRICT ON UPDATE CASCADE;