Gears - error when you try to insert values into a table with multiple columns

Hello

I started playing with the gears and SQlLite today and I get an error when I try to insert values into a table with multiple columns.

I have:

var db = google.gears.factory.create('beta.database');
    db.open('developerSet');
    db.execute('create table if not exists Developers (DeveloperName text, DeveloperAge int)');

    var devName = "Davy"
    var devAge = 32;

    try {
        db.execute('insert into Developers values (?, ?)', [devName, devAge]);
        alert('success');
    }
    catch (e) {
        alert(e);
    }

I get the error:

net.rim.device.api.database.DatabaseException; insert into developers values (?,?): SQL logic error or missing database.

I use this reference: http://code.google.com/apis/gears/api_database.html

Everything works if I have only one field as:

var db = google.gears.factory.create('beta.database');
    db.open('developerSet');
    db.execute('create table if not exists Developers (DeveloperName text)');

    var devName = "Davy"
    var devAge = 32;

    try {
        db.execute('insert into Developers values (?)', [devName]);
        alert('success');
    }
    catch (e) {
        alert(e);
    }

I use the plug-in Visual Studio 2.0 for 2008 that are running Windows XP SP and Simulator 2.13.0.56

Thank you

Davy

Yes, a SQLite database will persist between battery pulls.  The database is registered either to internal MEM or removable media (not the device memory), depending on which is available on your device.

In general, its not considered a best practice to remove your table as soon as it is empty and re - create it again when you want to add data.  This adds extra overhead fresh for the final, delete and insert first for a given table.  Instead, define and finalize your drawing before you create your table.  Once created, review the static schema.

That being said, for development purposes, it may be easier to provide an easy way to drop your tables while you develop your schema.

See you soon,.

Adam

Tags: BlackBerry Developers

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