How do i insert a var into sql statement on flutter sqflite?

Question

How do i insert a var into sql statement on flutter sqflite? $Constants.dbColName doesnt work

  Future<int> save(Item item) async {
    final db = await database;

    return db.delete(
      Constants.dbTableName, 
      where: '$Constants.dbColName = ?',
      whereArgs: [item.name],  
    );
  }

Answer 1

posting @pskink s comment as an answer for future reference.

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Use parenthesis to wrap the variable.

${Constants.dbColName}