Alter Schema

Alter Schema functionality allows user to alter the schema of datasets. the following operations are supported:

• Add Column
• Rename Column
• Change Column Data Type
• Change Column Description
• Drop Column

Note

• Alter Schema functionality is only applicable for s3athena, lakeformation(Non Hudi) and Redshift type of datasets

Add Column

Note

• For iceberg and redshift datasets, only one column can be added in a single request

Rename Column

Change Column Data Type

Change Column Description

Note

• The maximum length for the column description is 255 characters

Drop Column

Note

• For iceberg and redshift datasets, only one column can be dropped in a single request
• Drop Column is not applicable for lakeformation datasets with data filters