#ifndef PGLC_KEY_CODEC_H
#define PGLC_KEY_CODEC_H

#include "postgres.h"

#include "fmgr.h"

/*
 * Encode each key component as <decimal byte length>:<bytes>; so composite
 * primary keys cannot alias through separators contained in type output.
 */
extern bool pglc_canonical_key(const Datum *values,
							   const bool *nulls,
							   int key_count,
							   FmgrInfo *output_functions,
							   char *destination,
							   Size destination_capacity,
							   Size *key_len);

/* Avoid fmgr allocation for PostgreSQL's fixed-width integer key types. */
extern bool pglc_canonical_key_typed(const Datum *values,
									 const bool *nulls,
									 int key_count,
									 const Oid *key_types,
									 FmgrInfo *output_functions,
									 char *destination,
									 Size destination_capacity,
									 Size *key_len);

#endif