Locates all references found in either the projection expressions a filter, as well as references to expressions that should be preserved. Based on th

---------------------------------------------------------------------------* * @brief Sorts the columns of the input table according the sortOrderTyp

Creates a OverlapGeneratorKernel using a valid `project_plan`

* Get the number of columns this CacheData will generate with decache. */

* Get a message_ptr from the back of the queue if it exists in the WaitingQueue else return nullptr. * @return message_ptr from the back of the queue

* Set the column indices (aka projections) that will use to select the table */

* Checks document order of two siblings * @param {Element} a * @param {Element} b * @returns {Number} Returns less than 0 if a precedes b, greater