ColumnDef

class lsst.dax.apdb.ColumnDef(name: str, type: str, nullable: bool, length: int | None = None, default: Any | None = None, description: str | None = None, unit: str | None = None, ucd: str | None = None)

Bases: object

Column representation in schema.

Attributes Summary

default	default value for column, can be None
description	documentation, can be None or empty
dtype	Pandas dtype for this column
length	Optiona length for string/binary columns
ucd	string with ucd, can be None
unit	string with unit name, can be None

Attributes Documentation

default: Any = None

default value for column, can be None

description: str | None = None

documentation, can be None or empty

dtype

Pandas dtype for this column

length: int | None = None

Optiona length for string/binary columns

ucd: str | None = None

string with ucd, can be None

unit: str | None = None

string with unit name, can be None