*/
protected void reconstructQueryDef(Configuration hiveConf) throws HiveException {
PTFDeserializer dS =
new PTFDeserializer(conf, (StructObjectInspector)inputObjInspectors[0], hiveConf);
dS.initializePTFChain(conf.getFuncDef());
}
protected void setupKeysWrapper(ObjectInspector inputOI) throws HiveException {
PartitionDef pDef = conf.getStartOfChain().getPartition();
List<PTFExpressionDef> exprs = pDef.getExpressions();