def getFieldMin(self, fieldName):
stats = self.getStats()<EOL>if stats == None:<EOL><INDENT>return None<EOL><DEDENT>minValues = stats.get('<STR_LIT>', None)<EOL>if minValues == None:<EOL><INDENT>return None<EOL><DEDENT>index = self.getFieldNames().index(fieldName)<EOL>return minValues[index]<EOL>
If underlying implementation does not support min/max stats collection,
or if a field type does not support min/max (non scalars), the return
value will be None.

:param fieldName: (string) name of field to get min
:returns: current minimum value for the field ``fieldName``.