-- CreateTable
CREATE TABLE "Connection" (
    "id" TEXT NOT NULL PRIMARY KEY,
    "fromPortId" TEXT NOT NULL,
    "toPortId" TEXT NOT NULL,
    "color" TEXT,
    "label" TEXT,
    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT "Connection_fromPortId_fkey" FOREIGN KEY ("fromPortId") REFERENCES "Port" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
    CONSTRAINT "Connection_toPortId_fkey" FOREIGN KEY ("toPortId") REFERENCES "Port" ("id") ON DELETE CASCADE ON UPDATE CASCADE
);

-- CreateIndex
CREATE UNIQUE INDEX "Connection_fromPortId_toPortId_key" ON "Connection"("fromPortId", "toPortId");