nodejs-driver/samples/ExportCSVResult.ts at develop · Teradata/nodejs-driver · GitHub

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// This sample program demonstrates how to export the results from a select statement into a csv file.

// Run "npm install csv" to install the CSV module

import * as fs from "fs";

import { parse } from "csv-parse/sync";

// @ts-ignore

import * as teradatasql from "teradatasql";

const con: teradatasql.TeradataConnection = teradatasql.connect({ host: "whomooz", user: "guest", password: "please" });

try {

const cur: teradatasql.TeradataCursor = con.cursor();

try {

cur.execute("create volatile table voltab (c1 integer, c2 varchar(100)) on commit preserve rows");

console.log("Inserting data");

cur.execute("insert into voltab values (?, ?)", [

[1, ""],

[2, "abc"],

[3, "def"],

[4, "mno"],

[5, ""],

[6, "pqr"],

[7, "uvw"],

[8, "xyz"],

[9, ""],

]);

const sFileName: string = "dataJs.csv";

console.log("Exporting table data to file", sFileName);

cur.execute("{fn teradata_write_csv(" + sFileName + ")}select * from voltab order by 1");

try {

console.log("Reading file", sFileName);

const sRows: string[][] = parse(fs.readFileSync(sFileName, { encoding: "utf-8" }));

console.log(sRows);

} finally {

fs.unlinkSync(sFileName);

}

} finally {

cur.close();

}

} finally {

con.close();

}

nodejs-driver/samples/ExportCSVResult.ts at develop · Teradata/nodejs-driver · GitHub

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