teradatasql/samples/FakeResultSetEsc.js

Teradata SQL Driver for Node.js

"use strict";
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var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
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    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
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 voltab1 (c1 integer, c2 varchar(100)) on commit preserve rows");
        cur.execute("insert into voltab1 values (1, 'abc')");
        cur.execute("insert into voltab1 values (2, 'def')");
        cur.execute("create volatile table voltab2 (c1 integer, c2 varchar(100)) on commit preserve rows");
        cur.execute("insert into voltab2 values (3, 'ghi')");
        cur.execute("insert into voltab2 values (4, 'jkl')");
        cur.execute("insert into voltab2 values (5, 'mno')");
        cur.execute("create volatile table voltab3 (c1 integer, c2 varchar(100)) on commit preserve rows");
        cur.execute("insert into voltab3 values (6, 'pqr')");
        cur.execute("insert into voltab3 values (7, 'stu')");
        cur.execute("insert into voltab3 values (8, 'vwx')");
        cur.execute("insert into voltab3 values (9, 'yz')");
        cur.execute("{fn teradata_fake_result_sets}select * from voltab1 order by 1");
        console.log("=== Two result sets produced by a single-statement SQL request that returns one result set ===");
        console.log(" --- Fake result set ---");
        let row = cur.fetchone();
        if (row) {
            for (let i = 0; i < row.length; i++) {
                if (cur.description) {
                    console.log(`Column ${i + 1} ${cur.description[i][0].padEnd(15)} = ${row[i]}`);
                }
            }
        }
        cur.nextset();
        console.log(" --- Real result set ---");
        let rows = cur.fetchall();
        for (const row of rows) {
            console.log(row);
        }
        console.log();
        cur.execute("{fn teradata_fake_result_sets}select * from voltab2 order by 1 ; select * from voltab3 order by 1");
        console.log("=== Four result sets produced by a multi-statement SQL request that returns two result sets ===");
        console.log(" --- Fake result set ---");
        row = cur.fetchone();
        if (row) {
            for (let i = 0; i < row.length; i++) {
                if (cur.description) {
                    console.log(`Column ${i + 1} ${cur.description[i][0].padEnd(15)} = ${row[i]}`);
                }
            }
        }
        cur.nextset();
        console.log(" --- Real result set ---");
        rows = cur.fetchall();
        for (const row of rows) {
            console.log(row);
        }
        cur.nextset();
        console.log(" --- Fake result set ---");
        row = cur.fetchone();
        if (row) {
            for (let i = 0; i < row.length; i++) {
                if (cur.description) {
                    console.log(`Column ${i + 1} ${cur.description[i][0].padEnd(15)} = ${row[i]}`);
                }
            }
        }
        cur.nextset();
        console.log(" --- Real result set ---");
        rows = cur.fetchall();
        for (const row of rows) {
            console.log(row);
        }
    }
    finally {
        cur.close();
    }
}
finally {
    con.close();
}
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