Created
August 5, 2012 18:56
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Check table if exists on SQLite
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| // Check table if exists on SQLite | |
| // http://stackoverflow.com/questions/3058909/how-does-one-check-if-a-table-exists-in-an-android-sqlite-database | |
| // | |
| public boolean isTableExists(String tableName, boolean openDb) { | |
| if(openDb) { | |
| if(mDatabase == null || !mDatabase.isOpen()) { | |
| mDatabase = getReadableDatabase(); | |
| } | |
| if(!mDatabase.isReadOnly()) { | |
| mDatabase.close(); | |
| mDatabase = getReadableDatabase(); | |
| } | |
| } | |
| Cursor cursor = mDatabase.rawQuery("select DISTINCT tbl_name from sqlite_master where tbl_name = '"+tableName+"'", null); | |
| if(cursor!=null) { | |
| if(cursor.getCount()>0) { | |
| cursor.close(); | |
| return true; | |
| } | |
| cursor.close(); | |
| } | |
| return false; | |
| } |
Good work
hi what is mDatabase declaration?
can you show me how to call this method..
thanks
Hi all.
mDatabase is the connection to the table database.
Regards
hi what is getReadableDatabase();
thanks.
application/x-sqlite3
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hi what is
mDatabasedeclaration?can you show me how to call this method..
thanks