utils.h

#ifndef UTILS_H
#define UTILS_H

#include "access/tupdesc.h"
#include "nodes/execnodes.h"

extern void ClearCustomScanState(CustomScanState *node);
extern Oid GetVtype(Oid ntype);
extern Oid GetNtype(Oid vtype);
extern Oid GetTupDescAttVType(TupleDesc tupdesc, int i);

#endif