Removing a Table Column from the mapping specification
Remove a database column from the schema.
Remove a supported database table column.
Procedure
- Remove the field to column mapping from the configuration. See Mapping kafka topics to database tables.
-
On a database node, use the ALTER TABLE to remove the column from
the table.
Tip: You can only remove non-PRIMARY KEY columns.
-
Confirm that the schema change has been pushed to all nodes using nodetool describecluster.
Important: Data synchronization may fail if the schema change is inconsistent across the DataStax cluster.