-- DropForeignKey
ALTER TABLE "Note" DROP CONSTRAINT "Note_userId_fkey";

-- AlterTable
ALTER TABLE "Note" ALTER COLUMN "userId" DROP NOT NULL;

-- CreateIndex
CREATE INDEX "Article_url_idx" ON "Article"("url");

-- CreateIndex
CREATE INDEX "Collection_userId_idx" ON "Collection"("userId");

-- CreateIndex
CREATE INDEX "QuickNote_collectionId_idx" ON "QuickNote"("collectionId");

-- AddForeignKey
ALTER TABLE "Note" ADD CONSTRAINT "Note_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE SET NULL ON UPDATE CASCADE;