// since we reset the compilation schema when we return, we
// need to save it for use when we bind expressions:
fsq.setOrigCompilationSchema(compSchema);
ResultSetNode fsqBound =
fsq.bindNonVTITables(dataDictionary, fromListParam);
/* Do error checking on derived column list and update "exposed"
* column names if valid.
*/
if (derivedRCL != null) {