ljluestc commented on issue #14256:
URL: https://github.com/apache/arrow/issues/14256#issuecomment-1661615437
```
const fs = require("fs");
const { tableFromChunks, RecordBatchStreamReader } = require("apache-arrow");
const filePath = "./arraydata.arrow";
const chunkSize = 100000; // Set an appropriate chunk size based on
available memory
const stream = fs.createReadStream(filePath);
const reader = new RecordBatchStreamReader(stream);
(async function () {
let chunks = [];
for await (const chunk of tableFromChunks(reader, chunkSize)) {
chunks.push(chunk);
}
// Concatenate the chunks to form the complete table
const table = chunks.reduce((acc, chunk) => acc.concat(chunk));
console.log("numRows", table.numRows);
console.log("first row", table.get(0).toArray());
})();
```
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