Question

I have a database in my app with several columns of which 3 are: _id name selected.
Now, I want to read a single selected value from a row with the name being a string I get from some code. What would be the best way to do this?
Thanks

P.S. I am getting that value to check if it’s 0 or 1 (only two possible values), so I want to ask how to make a kind of an if statement in the return field? I have seen some people do it with something resembling this: return true ? ... false

EDIT:
Okay, this is my code atm, haven’t checked it yet since I need to do some other things to get it all up, but I think there may be a better way to do this.

public boolean isBandSelected(String name) {
    // TODO Auto-generated method stub
    Cursor cursor = mDb.query("bands", new String[] { "selected" }, "name="
            + name, null, null, null, null);
    int index = cursor.getColumnIndex("selected");
    String selected = cursor.getString(index);
    return selected == "1";
}

Answer 1

You can use regular expression to match rows whose name field being string. Many databases can support regular expression.

The ternary operator(? 🙂 can be used to make return statement like this.

return value == 0 ? false : true

But it depends on what kind of data type you what to return. Code above returns boolean data type.

The last line of your code above will always return false. This is because the == operator compares the reference of the two objects. you can use:

return "1".equals(selected);