class_docstr: A set of excellent Records from a query.
class_docstr_tok: ["A","set","of","excellent","Records","from","a","query","."]
docstr: Returns the first column of the first row, or `default`.
docstr_tok: ["Returns","the","first","column","of","the","first","row",",","or","`","default","`","."]
code: def scalar(self, default=None):
      """Returns the first column of the first row, or `default`."""
      row = self.one()
      return row[0] if row else default
  
imports: import os
  from sys import stdout
  from collections import OrderedDict
  from contextlib import contextmanager
  from inspect import isclass
  import tablib
  from docopt import docopt
  from sqlalchemy import create_engine, exc, inspect, text
label_desc: Use image node_id 14 for calling the RecordCollection obj's underlying member method code with example usage: obj.scalar(default) and returns: unknown