TransformOperation
A data transformation on a logical table. This is a variant type structure. For this structure to be valid, only one of the attributes can be non-null.
Contents
Note
In the following list, the required parameters are described first.
- CastColumnTypeOperation
-
A transform operation that casts a column to a different type.
Type: CastColumnTypeOperation object
Required: No
- CreateColumnsOperation
-
An operation that creates calculated columns. Columns created in one such operation form a lexical closure.
Type: CreateColumnsOperation object
Required: No
- FilterOperation
-
An operation that filters rows based on some condition.
Type: FilterOperation object
Required: No
- OverrideDatasetParameterOperation
-
A transform operation that overrides the dataset parameter values that are defined in another dataset.
Type: OverrideDatasetParameterOperation object
Required: No
- ProjectOperation
-
An operation that projects columns. Operations that come after a projection can only refer to projected columns.
Type: ProjectOperation object
Required: No
- RenameColumnOperation
-
An operation that renames a column.
Type: RenameColumnOperation object
Required: No
- TagColumnOperation
-
An operation that tags a column with additional information.
Type: TagColumnOperation object
Required: No
- UntagColumnOperation
-
A transform operation that removes tags associated with a column.
Type: UntagColumnOperation object
Required: No
See Also
For more information about using this API in one of the language-specific Amazon SDKs, see the following: