code: func IntColumn(name string, nullable NullableColumn) NonAliasColumn {
  	if !validIdentifierName(name) {
  		panic("Invalid column name in int column")
  	}
  	ic := &integerColumn{}
  	ic.name = name
  	ic.nullable = nullable
  	return ic
  }
docs: // Representation of any integer column
  // This function will panic if name is not valid