generate-csv.ts 719 B

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  1. import { createObjectCsvWriter as createCsvWriter } from 'csv-writer';
  2. // use to test vector insert
  3. const csvWriter = createCsvWriter({
  4. path: './vectors.csv',
  5. header: [
  6. { id: 'vector', title: 'vector' },
  7. { id: 'age', title: 'age' },
  8. ],
  9. });
  10. const records = [];
  11. const generateVector = (dimension: number) => {
  12. let index = 0;
  13. const vectors = [];
  14. while (index < dimension) {
  15. vectors.push(1 + Math.random());
  16. index++;
  17. }
  18. return JSON.stringify(vectors);
  19. };
  20. while (records.length < 50000) {
  21. const value = generateVector(4);
  22. records.push({ vector: value, age: records.length });
  23. }
  24. csvWriter
  25. .writeRecords(records) // returns a promise
  26. .then(() => {
  27. console.log('...Done');
  28. });