SQLite Dynamic Data in Titanium

SQLite Dynamic Data in Titanium cac he} an API {as#TiLon @joemafﬁa London Titanium Meetup - November 2011

io? Web, Mobile and Application Developer, Apple maniac, DJ - Producer, Sound engineer, musiclover and a general full-time geek! http://about.me/joemafﬁa “amazing what Photoshop can do...” #TiLon @joemafﬁa London Titanium Meetup - November 2011

"Your time is limited, so dont waste it living someone elses life. Dont be trapped by dogma — which isliving with the results of other peoples thinking. Dont let the noise of others opinions drown out your own inner voice. And most important, have the courage to follow your heart and intuition. They somehow already know what you truly want to become. Everything else is secondary." "Stay Hungry. Stay Foolish." ...my sabbatical :)

oBi z} {Ba ckT#TiLon @joemafﬁa London Titanium Meetup - November 2011

{cache}“In computer engineering, a cache (/ˈkæʃ/ kash) is a component that transparently stores data so that future requests for that data can be served faster.” Wikipedia #TiLon @joemafﬁa London Titanium Meetup - November 2011

#TiLon @joemafﬁa London Titanium Meetup - November 2011

Tips n Places#TiLon @joemafﬁa London Titanium Meetup - November 2011

{A PI Problem ca ll }#TiLon @joemafﬁa London Titanium Meetup - November 2011

{A PI Problem ca ll } Twitter is taking the default limit from 350 and cutting it to 175 The default limit is 500 requests per hour Usage of the API is subject to rate limits. Unauthenticated calls are permitted 150 requests per hour. Google warns that rate limits, overage fees are coming to Maps APIwill be capped at 25,000 map loads per day #TiLon @joemafﬁa London Titanium Meetup - November 2011

Solution?#TiLon @joemafﬁa London Titanium Meetup - November 2011

Solution? • I don’t care!?! :(#TiLon @joemafﬁa London Titanium Meetup - November 2011

Solution? • I don’t care!?! :( • Once reached the limit, the user will pay the consequences... :/#TiLon @joemafﬁa London Titanium Meetup - November 2011

Solution? • I don’t care!?! :( • Once reached the limit, the user will pay the consequences... :/ • Limit the API calls :| (timeframe or similar)#TiLon @joemafﬁa London Titanium Meetup - November 2011

Solution? • I don’t care!?! :( • Once reached the limit, the user will pay the consequences... :/ • Limit the API calls :| (timeframe or similar) • Saving results into ﬁles... but how many? how to manage them?#TiLon @joemafﬁa London Titanium Meetup - November 2011

Bug :(

Why SQLite ﬁt? • SQLite does not need to be "installed" before it is used. • There is no "setup" procedure. • There is no need for an administrator to create a new database. • There is no real notion of "initiating a connection". • Accessing SQLite DB is damn easy (open, query, close). • Faster read and write operations.#TiLon @joemafﬁa London Titanium Meetup - November 2011

{code}#TiLon @joemafﬁa London Titanium Meetup - November 2011

{initCache}#TiLon @joemafﬁa London Titanium Meetup - November 2011

{expireCache}#TiLon @joemafﬁa London Titanium Meetup - November 2011

{get}#TiLon @joemafﬁa London Titanium Meetup - November 2011

{put}#TiLon @joemafﬁa London Titanium Meetup - November 2011

{del}#TiLon @joemafﬁa London Titanium Meetup - November 2011

{public}#TiLon @joemafﬁa London Titanium Meetup - November 2011

Where do you want to go today? nex t} { #TiLon @joemafﬁa London Titanium Meetup - November 2011

...not here :)#TiLon @joemafﬁa London Titanium Meetup - November 2011

NoSQL on Titanium In computing, NoSQL (sometimes expanded to "not only SQL") is a broad class of database managementsystems that differ from the classic model of the relational database management system (RDBMS) in some significant ways.These data stores may not require fixed table schemas, usually avoid join operations, and typically scale horizontally. Wikipedia #TiLon @joemaffia London Titanium Meetup - November 2011

SQLite is great...but: db.execute(INSERT INTO favorites (api_id, tip_avatar, tip_user, tip_text, venue_icon, venue_name, venue_meters, venue_address, venue_category, venue_lat, venue_lng) SELECT ?,?,?,?,?,?,?,?,?,?,? WHERE NOT EXISTS (SELECT 1 FROM favorites WHERE api_id=?), Ti.App.pin.api_id, Ti.App.pin.tip_avatar, Ti.App.pin.tip_user, Ti.App.pin.tip_text, Ti.App.pin.venue_icon, Ti.App.pin.venue_name, Ti.App.pin.venue_meters, Ti.App.pin.venue_address, Ti.App.pin.venue_category, Ti.App.pin.venue_lat, Ti.App.pin.venue_lng, Ti.App.pin.api_id); #TiLon @joemafﬁa London Titanium Meetup - November 2011

JSONDB

:(• It was slow and difficult to constantly modify, re-index and deploy a new schema every time we changed the application or added a new feature• Migrating data between versions of the app became very difficult• Our data wasn’t secure – users with jail broken phones could basically change whatever they wanted whenever they wanted (and they did)• Translating between tabular data and objects in JavaScript turned out to be fairly inefficient even with our own custom ORM libraries• Maintaining large embedded SQL queries turned out to be a maintenance nightmare in JavaScript http://www.irlgaming.com/blog/nosql-ios-titanium-appcelerator-worries/ #TiLon @joemafﬁa London Titanium Meetup - November 2011

:)• Secure – all data committed to and read from disk is signed so that it can’t be tampered with by users• File Based – we didn’t want to run a server on the handset, so all data committed to storage is encoded as JSON and stored in flat files. This also means that all your data is portable• Simple – we wanted to get rid of ugly SQL queries and make everything object based• Easy – no schema, no indexes, no complicated SQL. Just objects. That’s how JavaScript should be. http://www.irlgaming.com/blog/nosql-ios-titanium-appcelerator-worries/ #TiLon @joemaffia London Titanium Meetup - November 2011

ReadMORE: http://www.irlgaming.com/blog/nosql-ios-titanium- appcelerator-worries/ https://github.com/dan-eyles/jsondb-public#TiLon @joemafﬁa London Titanium Meetup - November 2011

Thanks http://about.me/joemafﬁa#TiLon @joemafﬁa London Titanium Meetup - November 2011

http://www.joemaffia.net	52
http://joemaffia.posterous.com	41
http://176.34.238.100	13
http://efdevs.posterous.com	11
http://joemaffia.blogspot.com	9
http://londontitanium.posterous.com	6
http://ec2-46-137-3-203.eu-west-1.compute.amazonaws.com	5
http://londontitanium.co.uk	5
http://ec2-176-34-210-154.eu-west-1.compute.amazonaws.com	4
http://posterous.com	4
http://lanyrd.com	4
http://176.34.237.35	3
http://a0.twimg.com	2
http://ec2-79-125-73-34.eu-west-1.compute.amazonaws.com	1

SQLite Dynamic Data in Titanium

by Joe Maffia on Nov 29, 2011

Accessibility

Categories

Tags

Upload Details

Usage Rights

14 Embeds 160

Statistics

SQLite Dynamic Data in Titanium — Presentation Transcript