public String getInsertTaskDefStatement() {
        return QueryBuilder.insertInto(keyspace, TABLE_TASK_DEFS)
                .value(TASK_DEFS_KEY, TASK_DEFS_KEY)
                .value(TASK_DEF_NAME_KEY, bindMarker())
                .value(TASK_DEFINITION_KEY, bindMarker())
                .getQueryString();
    }
@return cql query statement to insert a new task definition into the "task_definitions" table
cassandra-persistence/src/main/java/com/netflix/conductor/cassandra/util/Statements.java