ColumnSchema(mapping=None, *, ignore_unknown_fields=False, **kwargs)
Representation of a column within a schema. Columns could be nested inside other columns.
Attributes |
|
---|---|
Name | Description |
column |
str
Required. Name of the column. |
type_ |
str
Required. Type of the column. |
description |
str
Optional. Description of the column. Default value is an empty string. |
mode |
str
Optional. A column's mode indicates whether the values in this column are required, nullable, etc. Only NULLABLE ,
REQUIRED and REPEATED are supported. Default mode is
NULLABLE .
|
subcolumns |
MutableSequence[google.cloud.datacatalog_v1beta1.types.ColumnSchema]
Optional. Schema of sub-columns. A column can have zero or more sub-columns. |