I'm trying to insert data in my local database. When I get to opening the db it give me that error. I searched and found that it must be in a try catch block. I did it but still the same problem.
var APP_ID = "C44F83E2-6CCA-9BAD-FF5A-CE8C869F7300";
var SECRET_KEY = "39C7F777-F0A0-4DEB-FF35-D147FB5BEB00";
var VERSION = "v1";
var categories = [] ;
var createStatement = "CREATE TABLE IF NOT EXISTS categories(id INT NOT NULL PRIMARY KEY"
+",name VARCHAR(36) NOT NULL "
+",iconName VARCHAR(20) NOT NULL"
+",category VARCHAR(19) NOT NULL"
+",score INT NOT NULL)";
var selectAllStatement = "SELECT * FROM categories";
var insertStatement = "INSERT INTO categories(name,category,iconName,score) VALUES (?,?,?,?)";
var dropStatement = "DROP TABLE categories";
var current_item=0;
var total_item=2;
var db;
//database varsion setting
var version = 1.0;
//database name setting
var dbName = "GuessWhat";
//database display name setting
var dbDisplayName = "Guess_What_db";
//database size setting
var dbSize = 2 * 1024 * 1024;
function selectDB() {
if (window.openDatabase) {
//openDatabase(name, version, displayname, estimatedsize, callback);
try {
db = openDatabase(dbName, version, dbDisplayName, dbSize);
} catch (e) {
// TODO: handle exception
console.log(e);
}
dropTable(db);
createTable(db);
console.log("test base");
for(var c in categories)
{console.log(categories[c].getName());
insertData(db,categories[c].getName()+"",categories[c].getCategory()+"",categories[c].getIconName()+"",categories[c].getScore());
}
//inserting data in table
console.log("success");
} else {
alert("Web SQL Database not supported in this browser");
}
};
function createTable(db) {
try {
db.transaction(function (t) {
t.executeSql(createStatement, []);
});
} catch (e) {
// TODO: handle exception
}
};
function insertData(db, name,category ,iconName,score) {
try {
db.transaction(function (e) {
console.log("start insert");
e.executeSql(insertStatement,[name,category,iconName,score], onSuccess, onError);
});
} catch (e) {
// TODO: handle exception
console.log(e);
}
};
function onSuccess(e) { };
function onError(e) {console.log("erreur insertion"); };
function dropTable(db) {
try {
db.transaction(function (e) {
e.executeSql(dropStatement);
});
} catch (e) {
// TODO: handle exception
}
};
window.onload = function () {
// TODO:: Do your initialization job
Backendless.initApp( APP_ID, SECRET_KEY, VERSION );
fetchingFirstPageAsync();
selectDB();
// add eventListener for tizenhwkey
document.addEventListener('tizenhwkey', function(e) {
if(e.keyName == "back")
try {
tizen.application.getCurrentApplication().exit();
} catch (ignore) {
}
});
navigation("DOWN");
document.addEventListener('keydown', function(e) {
switch(e.keyCode){
case TvKeyCode.KEY_LEFT: //LEFT arrow
break;
case TvKeyCode.KEY_UP: //UP arrow
navigation("UP");
break;
case TvKeyCode.KEY_RIGHT : //RIGHT arrow
break;
case TvKeyCode.KEY_DOWN: //DOWN arrow
navigation("DOWN");
break;
case TvKeyCode.KEY_ENTER: //OK button
go_to(current_item);
console.log("ENTER Button");
break;
default:
console.log("Key code : " + e.keyCode);
break;
}
});
};
function tester(){
console.log("TESTTTTTTT");
};
function navigation(direction){
$("#btn_"+current_item).removeClass("selected_btn");
if(direction == "UP"){
if(current_item == 1)
current_item = total_item;
else
current_item--;
}else if(direction == "DOWN"){
if(current_item == total_item)
current_item = 1;
else
current_item++;
}
$("#btn_"+current_item).addClass("selected_btn");
};
function go_to(current_item){
sessionStorage.setItem("key", current_item);
if(current_item==2)
parent.location="about.html";
if(current_item==1){
console.log("redirection");
parent.location="menu.html";
}
};
function fetchingFirstPageAsync(){
var startTime = (new Date()).getMilliseconds();
var c = Backendless.Persistence.of("CategoriesObject").find();
console.log("============ Fetching first page using the SYNC API ============");
console.log( "Loaded " + c.data.length + "restaurant objects" );
console.log( "Total restaurants in the Backendless storage - " + c.totalObjects);
for(var i = 0; i < c.data.length; i++) {
categories.push(new Category(c.data[i].name+"",c.data[i].iconName+"",c.data[i].score+"",c.data[i].category+""));
console.log(c.data[i].category) ;
}
for (var i in categories) {
console.log(categories[i].getName());
}
console.log("Total time (ms) - " + ((new Date()).getMilliseconds() - startTime ));
};
According to the document, currently the WebSQL is supported in mobile application only. I tried it in Wearable Gear but it didn't work. It worked in mobile.
main.js
var db;
//database version setting
var version = 1.0;
//database name setting
var dbName = "tizendb";
//database display name setting
var dbDisplayName = "tizen_test_db";
//database size setting
var dbSize = 2 * 1024 * 1024;
function selectDB() {
if (window.openDatabase) {
//openDatabase(name, version, displayname, estimatedsize, callback);
db = openDatabase(dbName, version, dbDisplayName, dbSize);
dropTable(db);
createTable(db);
//inserting data in table
insertData(db, "tizenTest01", "We are pleased to announce that Tizen 2.0");
insertData(db, "tizenTest02", "device vendors. We encourage you to download");
insertData(db, "tizenTest03", "installed and used it. If you have questions");
insertData(db, "tizenTest04", "This release includes many new features");
insertData(db, "tizenTest05", "Highlights of this release include");
dataView(db);
} else {
alert("Web SQL Database is not supported in this browser");
}
}
//reads and displays values from the 'places' table
function dataView(db) {
var html = document.getElementById("tbody01");
var ddlHtml = document.getElementById("ddlTitle");
html.innerHTML = "";
ddlHtml.innerHTML = "";
db.transaction(function (t) {
t.executeSql("SELECT * FROM tizenTable", [],
function (tran, r) {
ddlHtml.innerHTML = "<option value='all'>all</option>";
for (var i = 0; i < r.rows.length; i++) {
var id = r.rows.item(i).id;
var title = r.rows.item(i).title;
var content = r.rows.item(i).content;
var insertday = r.rows.item(i).insertDay;
//data list rendering
if (html) {
html.innerHTML += "<tr><td>" + id + "</td><td>" + title + "</td><td>" + content + "</td><td>" + insertday + "</td></tr>";
}
//select box rendering
if (ddlHtml) {
ddlHtml.innerHTML += "<option value=" + id + ">" + title + "</option>";
}
}
},
function (t, e) { alert("Error:" + e.message); }
);
});
}
// create table
function createTable(db) {
db.transaction(function (t) {
t.executeSql("CREATE TABLE tizenTable (id INTEGER PRIMARY KEY, title TEXT, content TEXT, insertDay DATETIME)", []);
});
}
//inserting data in table
function insertData(db, title, context) {
db.transaction(function (e) {
var day = new Date();
e.executeSql("INSERT INTO tizenTable(title, content, insertDay) VALUES (?, ?, ?)", [title, context, day], onSuccess, onError);
});
}
function onSuccess(e) { }
function onError(e) { }
// drop table
function dropTable(db) {
db.transaction(function (e) {
e.executeSql("DROP TABLE tizenTable");
});
}
//Select the data conditions
function dataChange(value) {
if (value != "all") {
var html = document.getElementById("tbody01");
html.innerHTML = "";
db.transaction(function (t) {
t.executeSql("SELECT * FROM tizenTable WHERE id=?", [value],
function (tran, r) {
for (var i = 0; i < r.rows.length; i++) {
var id = r.rows.item(i).id;
var title = r.rows.item(i).title;
var content = r.rows.item(i).content;
var insertday = r.rows.item(i).insertDay;
if (html) {
html.innerHTML += "<tr><td>" + id + "</td><td>" + title + "</td><td>" + content + "</td><td>" + insertday + "</td></tr>";
}
}
},
function (t, e) { alert("Error:" + e.message); }
);
});
} else {
dataView(db);
}
}
window.onload = function () {
selectDB();
};
Index.html
<thead>
<tr>
<th>id</th>
<th>title</th>
<th>context</th>
<th>date</th>
</tr>
</thead>
<tbody id="tbody01">
</tbody>