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2014/10/16 ¤W¤È 08:10:30
android Programming Glossary: begintransactionUpgrade SQLite database from one version to another? http://stackoverflow.com/questions/3424156/upgrade-sqlite-database-from-one-version-to-another runs one for your sqlite helper object and you need to handle all the tables in it. So what is recommended onUpgrade beginTransaction run a table creation with if not exists we are doing an upgrade so the table might not exists yet it will fail alter and..
SQLiteOpenHelper onUpgrade() Confusion Android http://stackoverflow.com/questions/3505900/sqliteopenhelper-onupgrade-confusion-android runs one for your sqlite helper object and you need to handle all the tables in it. So what is recommended onUpgrade beginTransaction run a table creation with if not exists we are doing an upgrade so the table might not exists yet it will fail alter and..
http://stackoverflow.com/questions/8147440/android-database-transaction long insertRecordsInDB String tableName String nullColumnHack ContentValues initialValues long n 1 try myDataBase.beginTransaction n myDataBase.insert tableName nullColumnHack initialValues myDataBase.endTransaction myDataBase.setTransactionSuccessful.. long insertRecordsInDB String tableName String nullColumnHack ContentValues initialValues long n 1 try myDataBase.beginTransaction n myDataBase.insert tableName nullColumnHack initialValues myDataBase.endTransaction myDataBase.setTransactionSuccessful.. transaction. How you can use database transaction in Android If you want to start the transaction there is a method beginTransaction If you want to commit the transaction there is a method setTransactionSuccessful which will commit the values in the database..
Fastest and most efficient way to pre-populate database in Android http://stackoverflow.com/questions/8752193/fastest-and-most-efficient-way-to-pre-populate-database-in-android this question I suggest the following Wrap all of your INSERT logic into a transaction BEGIN... COMMIT or via the beginTransaction ... endTransaction APIs As already suggested utilize the bind APIs and recycle objects. Don't create any indexes until after..
Android: Heavy DB operations with progress dialog http://stackoverflow.com/questions/9623470/android-heavy-db-operations-with-progress-dialog I have used to following idiom on the doInBackground method of an AsyncTask for quick inserts into the DB mDatabase.beginTransaction try ... do DB stuff mDatabase.setTransactionSuccessful finally mDatabase.endTransaction However if I use this idiom my.. very slow. Is there any way I can have the best of both worlds i.e. progress dialog and fast insertions . Thanks Note beginTransaction run in EXCLUSIVE mode I don't get what that means tbh . Is this the cause java android database share improve this question..
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