public String getDeleteTaskLookupStatement() {
        return QueryBuilder.delete()
                .from(keyspace, TABLE_TASK_LOOKUP)
                .where(eq(TASK_ID_KEY, bindMarker()))
                .getQueryString();
    }
public String getDeleteTaskLookupStatement ( ) { return QueryBuilder . delete ( ) . from ( keyspace , TABLE_TASK_LOOKUP ) . where ( eq ( TASK_ID_KEY , bindMarker ( ) ) ) . getQueryString ( ) ; }
@return cql query statement to delete a task_id to workflow_id mapping from the "task_lookup" table