Class ColumnEntity (1.8.0)

ColumnEntity(mapping=None, *, ignore_unknown_fields=False, **kwargs)

Column is not used as an independent entity, it is retrieved as part of a Table entity.

Attributes
Name	Description
`name`	`str` Column name.
`data_type`	`str` Column data type.
`charset`	`str` Charset override - instead of table level charset.
`collation`	`str` Collation override - instead of table level collation.
`length`	`int` Column length - e.g. varchar (50).
`precision`	`int` Column precision - when relevant.
`scale`	`int` Column scale - when relevant.
`fractional_seconds_precision`	`int` Column fractional second precision - used for timestamp based datatypes.
`array`	`bool` Is the column of array type.
`array_length`	`int` If the column is array, of which length.
`nullable`	`bool` Is the column nullable.
`auto_generated`	`bool` Is the column auto-generated/identity.
`udt`	`bool` Is the column a UDT.
`custom_features`	`google.protobuf.struct_pb2.Struct` Custom engine specific features.
`set_values`	`MutableSequence[str]` Specifies the list of values allowed in the column. Only used for set data type.
`comment`	`str` Comment associated with the column.
`ordinal_position`	`int` Column order in the table.
`default_value`	`str` Default value of the column.

Attributes