storm-apt/api/src/main/java/com/turbomanage/storm/csv/CsvTableReader.java
public int importFromCsv(Context ctx, SQLiteDatabase db, String suffix) {
		String filename = getCsvFilename(db.getPath(), db.getVersion(), suffix);
		FileInputStream fileInputStream;
		try {
			fileInputStream = ctx.openFileInput(filename);
			return importFromCsv(db, fileInputStream);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
			return -1;
		}
	}
public int importFromCsv(Context ctx, SQLiteDatabase db, String suffix) {
		String filename = getCsvFilename(db.getPath(), db.getVersion(), suffix);
		FileInputStream fileInputStream;
		try {
			fileInputStream = ctx.openFileInput(filename);
			return importFromCsv(db, fileInputStream);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
			return -1;
		}
	}
Attempts to import a database table from a CSV file in the default
location.

@param ctx
@param db
@param suffix

@return count of rows imported or -1 if error