This chapter describes a special set of OpenAccess SDK API functions that your IP can call for the following purposes:
Working in SQL pass-through mode.
Note: An IP that works in SQL pass-through mode must use only the methods in this chapter.
Performing table pushdown.
Please also refer to Chapter 6 "Advanced Concepts" in the OpenAccess SDK SQL Engine Programmer's Guide for additional information on implementing table pushdown.
Retrieving more information through the parse tree than is provided through the standard OpenAccess SDK SQL engine core API functions that are described in OpenAccess SDK SQL Engine Core Functions API.