sqlite

Re copy and re-order table

I am using SQLite. I want to create a new table ordered differently than an existing tables's data. I have tried the following but it does not work in either the Mozzilla SQLite admin tools or SQLite Manager. What am I doing wrong? INSERT INTO temp (SnippetID, LibraryID,Name, BeforeSelection, AfterSelection, ReplaceSelection, NewDocu...

How much time will my SQL query take?

I have a database in SQLite Administrator, with 3 tables, say A,B and C. Table A has 3 columns p1,p2 and p3, with about 2 million rows. Table B has 2 columns p1 and p4, with also about 2 million rows. Table C has 1 column p4 with about 800,000 rows. The query that I am trying to run is as following: SELECT A.p1, B.p4, A.p2, A.p3 FRO...

SHA1 hashing in SQLite: how?

Working with several DBs in parallel and need to initialize some records with hashed passwords. In MS SQL server there are handy functions that allow to hash on the fly: HashBytes('SHA1', CONVERT(nvarchar(32), N'admin')) Is there is a similar function with SQLite? If not, which is the easiest workaround (such as select from SQL serv...

'unknown error' in SQLite on the iPhone when selecting total number of records

Trying to return whether a record exists in SQLite on the iPhone except I keep getting an 'unknown error'. selectStmt is static sqlite3_stmt *selectStmt = nil; used here if(selectStmt) sqlite3_finalize(selectStmt); which only gets executed if the application terminates. This functionality works fine with delete statements and insert sta...

About get the values from SQLite

I wanna set a textview as the values from SQLite when I click the ListView Here is my way: myListView.setOnItemClickListener(new AdapterView.OnItemClickListener() { public void onItemClick(AdapterView arg0, android.view.View arg1, int arg2, long arg3) { myCursor.moveToPosition(arg2); setContentView(R.layout.main2); _id = myCursor.g...

How to map small binary objects properly in SQLite/NHibernate combo (wrong type affinity)?

Trying to store property of C#/.NET type byte[] in SQLite. Here is my mapping: <class name="MyClass" lazy="false" table="MyTable"> <property name="MyProperty" type ="BinaryBlob" access="property" /> </class> In SQL server it works like a charm even without the explicit type="BinaryBlob" in the mapping. In SQLite I've tried various ...

Google Gears Database performance

I made a javascript class that let me use gears or html5 (if available) storage to store an stringified json object. the code is ment to be use on Android 1.5 and 2.0. When I save many objects into gears, it's very slow even on a PC (google chrome / gears). The CPU doesn't go high but the page gets unresponsive for 45 sec. On a cellphone...

About get the values from SQLite (2)

I wanna set a textview as the values from SQLite when I click the ListView Here is the code: public class SQLiteTest2 extends Activity { private DoDB ToDoDB; private Cursor myCursor; private int _id; private ListView myListView; public TextView textStudyUID; protected ListAdapter adapter1; public void onCreate(Bundle savedIns...

About layout change in SQLite

When I click the ListView in layout1, it will go to layout2 and show some imformation. But when I click the button I designed to back to layout1, I can't see the ListView. Just black background. Here is the Button code: Button backButton = (Button) findViewById(R.id.widget39); backButton.setOnClickListener(new Button.OnClickListener() ...

How to open PDF/xml which stored in a SQLite file ?

How can I open them which have already stored in SQLite ?? ...

Problem with rails scaffolding (windows + netbeans + sqlite3)

I'm experimenting with Ruby on Rails. I'm using NetBeans on Windows 7. I am trying to follow this tutorial, but instead of using MySQL, I'd like to use SQLite3. Here is my database.yml file: # SQLite version 3.x # gem install sqlite3-ruby (not necessary on OS X Leopard) development: adapter: sqlite3 database: db/development.sqlit...

How to put a Website into ContactsContract

Hi guys! How can i put a URL into the More -> Website part of the contact info? I was trying using this code: Log.v(TAG, "twitter screen: " + screenName); values.put(ContactsContract.CommonDataKinds.Website.TYPE, ContactsContract.CommonDataKinds.Website.TYPE_HOMEPAGE); values.put(ContactsContract.CommonDataKinds.Website.UR...

how to insert new row in exisitng databse using sqlite3.0 for iphone

this is my default table having 3 rows now i want to add 1 more row to ths database but i dont know the syntax if(sqlite3_open([databasePath UTF8String], &database) == SQLITE_OK) { // Setup the SQL Statement and compile it for faster access const char *sqlStatement = "select * from animals "; sqlite3_stmt *compi...

How can I load DataMapper objects in an SQLite database with data from a spreadsheet?

I have Ruby on Rails app using DataMapper, the database is SQLite, the app is hosted on Heroku. I would like to load the DataBase with data from a spreadsheet, however, I don't know the most efficient way...please help! As an example, let say I have a User model with fields: Name Age Birthday Hometown ...

Foreign key to User table in django

I'm using django's built-in contrib.auth module and have setup a foreign key relationship to a User for when a 'post' is added: class Post(models.Model): owner = models.ForeignKey('User') # ... etc. Now when it comes to actually adding the Post, I'm not sure what to supply in the owner field before calling save(). I expected ...

System.Data.SQLite extension model

I want to implement a function for System.Data.SQLite in C#. Implementing the SQLiteFunction interface is easy (seen examples over the Internet). The question is where should I put the compiled code? Do I need the source to be compiled altogether with the System.Data.SQLite project? Do I have a better option, so that my functions will r...

why my cell is only showing last elemnt value for iphone while using sqlite3

why i can access only last element from list this is my data i am pulling from sql if(sqlite3_prepare_v2(database, sqlStatement, -1, &compiledStatement, NULL) == SQLITE_OK) { NSLog(@"TEST1"); // Loop through the results and add them to the feeds array while(sqlite3_step(compiledStatement) == SQLITE_ROW) { // Read the data fro...

Creating non-existent database tables in code

Up to this point my company has had an aversion to databases and has stuck to storing all data in comma-separated files. I have run into a unique customer application that - I believe - would benefit from the use of a relational database. The application calls for storing 'summary' data concerning a manufacturing process and 'detailed'...

Using Sqlite in iphone development: if i open the database in the init function, it's inaccessible in my other functions. Any ideas?

Hi, I'm trying to use sqlite in a 'data services' class like below. I keep getting an error code 1 when calling 'sqlite3_prepare_v2'. The logs certainly back up that the database is getting opened before my recipeNames function is called. I'm so stumped! Is it a memory management thing with the sqlite3 *db ? Eg is it getting freed when i...

Compress XML column in Sqlite with Python is SLOW!

I'm new to Python and Sqlite, so I'm sure there's a better way to do this. I have a DB with 6000 rows, where 1 column is a 14K XML string. I wanted to compress all those XML strings to make the DB smaller. Unfortunately, the script below is much, much slower than this simple command line (which takes a few seconds). sqlite3 weather.db ....