public String getInsertWorkflowDefVersionIndexStatement() {
        return QueryBuilder.insertInto(keyspace, TABLE_WORKFLOW_DEFS_INDEX)
                .value(WORKFLOW_DEF_INDEX_KEY, WORKFLOW_DEF_INDEX_KEY)
                .value(WORKFLOW_DEF_NAME_VERSION_KEY, bindMarker())
                .value(WORKFLOW_DEF_INDEX_VALUE, bindMarker())
                .getQueryString();
    }
@return cql query statement to insert a workflow def name version index into the
    "workflow_defs_index" table
cassandra-persistence/src/main/java/com/netflix/conductor/cassandra/util/Statements.java