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
The data type of elements stored in the column.
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.
Used to perform consistent read-modify-write updates. If not
set, a blind "overwrite" update happens.
Classes
CorrelatedColumn
Identifies the table's column, and its correlation with the column this
ColumnSpec describes.
Correlation between this and the in-context column.
