-- CreateTable CREATE TABLE "MessageAttachment" ( "messageId" TEXT NOT NULL, "attachmentId" TEXT NOT NULL, PRIMARY KEY ("messageId", "attachmentId"), CONSTRAINT "MessageAttachment_messageId_fkey" FOREIGN KEY ("messageId") REFERENCES "Message" ("id") ON DELETE RESTRICT ON UPDATE CASCADE, CONSTRAINT "MessageAttachment_attachmentId_fkey" FOREIGN KEY ("attachmentId") REFERENCES "Attachment" ("id") ON DELETE RESTRICT ON UPDATE CASCADE );