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. |