teradatasql/samples/ShowCommand.js

Teradata SQL Driver for Node.js

"use strict";
// Copyright 2023 by Teradata Corporation. All rights reserved.
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// This sample program demonstrates how to display the output from a show command.
// The show command output includes embedded carriage returns as line terminators,
// which typically must be changed to newlines in order to display properly.
// The show command output may include multiple result sets, and the cursor nextset
// function must be called to advance to subsequent result sets.
// @ts-ignore
const teradatasql = __importStar(require("teradatasql"));
function ShowCommand(cur, s) {
    console.log("-- " + s);
    cur.execute(s);
    let n = 1;
    while (true) {
        console.log(`-- result set ${n}`);
        const rows = cur.fetchall();
        for (const row of rows) {
            const s = JSON.stringify(row).split("\\r").join("\n");
            console.log(s.slice(2, s.length - 2));
        }
        if (cur.nextset()) {
            n += 1;
        }
        else {
            break;
        }
    }
}
const con = teradatasql.connect({ host: "whomooz", user: "guest", password: "please" });
try {
    const cur = con.cursor();
    try {
        ShowCommand(cur, "show view DBC.DBCInfo");
        console.log();
        ShowCommand(cur, "show select * from DBC.DBCInfo");
    }
    finally {
        cur.close();
    }
}
finally {
    con.close();
}
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