teradatasql/samples/BatchInsertCSV.js

Teradata SQL Driver for Node.js

"use strict";
// Copyright 2023 by Teradata Corporation. All rights reserved.
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Object.defineProperty(exports, "__esModule", { value: true });
// This sample program demonstrates how to insert a batch of rows using a CSV file.
// Run "npm install csv" to install the CSV module
const fs = __importStar(require("fs"));
const sync_1 = require("csv-stringify/sync");
// @ts-ignore
const teradatasql = __importStar(require("teradatasql"));
const con = teradatasql.connect({ host: "whomooz", user: "guest", password: "please" });
try {
    const cur = con.cursor();
    try {
        cur.execute("create volatile table voltab (c1 integer, c2 varchar(100)) on commit preserve rows");
        const records = [
            ["c1", "c2"],
            ["1", ""],
            ["2", "abc"],
            ["3", "def"],
            ["4", "mno"],
            ["5", ""],
            ["6", "pqr"],
            ["7", "uvw"],
            ["8", "xyz"],
            ["9", ""],
        ];
        const sFileName = "CSVBatchInsertData_js";
        fs.writeFileSync(sFileName, (0, sync_1.stringify)(records));
        try {
            console.log("Inserting data");
            cur.execute(`{fn teradata_read_csv(${sFileName})} insert into voltab (?, ?)`);
        }
        finally {
            fs.unlinkSync(sFileName);
        }
        cur.execute("select * from voltab order by 1");
        console.log(cur.fetchall());
    }
    finally {
        cur.close();
    }
}
finally {
    con.close();
}
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