ColumnSpec(mapping=None, *, ignore_unknown_fields=False, **kwargs)A representation of a column in a relational table. When listing them, column specs are returned in the same order in which they were given on import . Used by:
- Tables
Attributes
| Name | Description |
name |
str
Output only. The resource name of the column specs. Form: projects/{project_id}/locations/{location_id}/datasets/{dataset_id}/tableSpecs/{table_spec_id}/columnSpecs/{column_spec_id}
|
data_type |
The data type of elements stored in the column. |
display_name |
str
Output only. The name of the column to show in the interface. The name can be up to 100 characters long and can consist only of ASCII Latin letters A-Z and a-z, ASCII digits 0-9, underscores(_), and forward slashes(/), and must start with a letter or a digit. |
data_stats |
Output only. Stats of the series of values in the column. This field may be stale, see the ancestor's Dataset.tables_dataset_metadata.stats_update_time field for the timestamp at which these stats were last updated. |
top_correlated_columns |
Sequence[
Deprecated. |
etag |
str
Used to perform consistent read-modify-write updates. If not set, a blind "overwrite" update happens. |
Classes
CorrelatedColumn
CorrelatedColumn(mapping=None, *, ignore_unknown_fields=False, **kwargs)Identifies the table's column, and its correlation with the column this ColumnSpec describes.