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//![0]
var db = LocalStorage.openDatabaseSync("ActivityTrackDB", "", "Database tracking sports activities", 1000000);
db.transaction(
    try {
        function(tx) {
            tx.executeSql("INSERT INTO trip_log VALUES(?, ?, ?)",
                          [ "01/10/2016","Sylling - Vikersund", "53" ]);
        }
    }   catch (err) {
            console.log("Error inserting into table trip_log: " + err);
        }
)
//![0]

//![1]
// Retrieve activity date, description and distance based on minimum
// distance parameter Pdistance
function db_distance_select(Pdistance)
{
var db = LocalStorage.openDatabaseSync("ActivityTrackDB", "", "Database tracking sports activities", 1000000);
db.transaction(
    function(tx) {
        var results = tx.executeSql("SELECT rowid,
                                            date,
                                            trip_desc,
                                            distance FROM trip_log
                                     where distance >= ?",[Pdistance]);
        for (var i = 0; i < results.rows.length; i++) {
            listModel.append({"id": results.rows.item(i).rowid,
                              "date": results.rows.item(i).date,
                              "trip_desc": results.rows.item(i).trip_desc,
                              "distance": results.rows.item(i).distance});
        }
    }
}
//![1]
//![2]
var db = LocalStorage.openDatabaseSync("ActivityTrackDB", "", "Database tracking sports activities", 1000000);
if (db.version == "0.1") {
    db.changeVersion("0.1", "0.2", function(tx) {
        tx.executeSql("INSERT INTO trip_log VALUES(?, ?, ?)",
                    [ "01/10/2016","Sylling - Vikersund", "53" ]);
    }
});
//![2]
//![3]
create table trip_log(date text, data text)
//![3]
//![4]
var obj = {description = "Vikersund - Noresund", distance = "60"}
//![4]
//![5]
db.transaction(function(tx) {
    result = tx.executeSQL("insert into trip_log values (?,?)",
                           ["01/11/2016", JSON.stringify(obj)])
}
//![5]