teradatasql/samples/CharPadding.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);
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};
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 TABLE MyTable (c1 CHAR(10), c2 CHAR(10))");
        try {
            cur.execute("INSERT INTO MyTable VALUES ('a', 'b')");
            console.log("Original query that produces trailing space padding:");
            cur.execute("SELECT c1, c2 FROM MyTable");
            console.log(cur.fetchall());
            console.log("Modified query with either CAST or TRIM to avoid trailing space padding:");
            cur.execute("SELECT CAST(c1 AS VARCHAR(10)), TRIM(TRAILING FROM c2) FROM MyTable");
            console.log(cur.fetchall());
            cur.execute("CREATE VIEW MyView (c1, c2) AS SELECT CAST(c1 AS VARCHAR(10)), TRIM(TRAILING FROM c2) FROM MyTable");
            try {
                console.log("Or query view with CAST or TRIM to avoid trailing space padding:");
                cur.execute("SELECT c1, c2 FROM MyView");
                console.log(cur.fetchall());
            }
            finally {
                cur.execute("DROP VIEW MyView");
            }
        }
        finally {
            cur.execute("DROP TABLE MyTable");
        }
    }
    finally {
        cur.close();
    }
}
finally {
    con.close();
}
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