const fs = require("fs");
const { tableFromIPC, RecordBatchReader } = require("apache-arrow");

const filePath = "./file.arrow";

const stream = fs.createReadStream(filePath);
const reader = RecordBatchReader.from(stream);

(async function () {
  const table = await tableFromIPC(reader);

  // /Int64/Float64
  console.log("rows num", table.numRows);
  console.log("first row", table.get(0).toArray());
})();

table.get(0).toArray()