Cursor in Android not Returning Rows/Data

Im new at android programming. can you help me fetch rows using cursor.

with this code i can fetch all the rows :

public Cursor getAllDataDays() {
    SQLiteDatabase db = this.getWritableDatabase();
    String selectQuery = "SELECT * FROM " + TABLE_MYBUDGETWITHDAYS;
    return db.rawQuery(selectQuery, null);
    }

this is my code for fetching specific rows:

public Cursor SelectAllDaysIntParent(int id) {
    SQLiteDatabase db = this.getWritableDatabase();
    String selectQuery = "SELECT * FROM " + TABLE_MYBUDGETWITHDAYS +  " WHERE" + KEY_PARENTID + " = " + id;
    return db.rawQuery(selectQuery, null);

}

but is not displaying any rows.

please help. thank you.

NOTE: i want a method with Cursor in it because my listview custome adapter requires cursor.