node-parquet/test/nested.js

Parquet is a columnar storage format

#!/usr/bin/env node

var t = require('tap');
var parquet = require('..');

var schema = {
  id: {type: 'int64', optional: true},
  aggr: {type: 'list', repeated: true, schema: {
//    bag: {type: 'group', optional: true, schema: {
      ba: {type: 'byte_array', optional: true}
//    }},
  }},
};
var writer = new parquet.ParquetWriter(__dirname + '/test.parquet', schema, 'gzip');

t.type(writer, 'object');
writer.write([
  [1, [Buffer.from('hello')]],
  [2, ['world']],
//  [3, []],
  [4, ['00001a8a-e405-4337-a3ec-07dc7431a9c5']],
]);
writer.close();