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/*-------------------------------------------------------------------------
*
* valid.h
* POSTGRES tuple qualification validity definitions.
*
*
* Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/access/valid.h
*
*-------------------------------------------------------------------------
*/
#ifndef VALID_H
#define VALID_H
#include "access/htup.h"
#include "access/htup_details.h"
#include "access/skey.h"
#include "access/tupdesc.h"
/*
* HeapKeyTest
*
* Test a heap tuple to see if it satisfies a scan key.
*/
static inline bool
HeapKeyTest(HeapTuple tuple, TupleDesc tupdesc, int nkeys, ScanKey keys)
{
int cur_nkeys = nkeys;
ScanKey cur_key = keys;
for (; cur_nkeys--; cur_key++)
{
Datum atp;
bool isnull;
Datum test;
if (cur_key->sk_flags & SK_ISNULL)
return false;
atp = heap_getattr(tuple, cur_key->sk_attno, tupdesc, &isnull);
if (isnull)
return false;
test = FunctionCall2Coll(&cur_key->sk_func,
cur_key->sk_collation,
atp, cur_key->sk_argument);
if (!DatumGetBool(test))
return false;
}
return true;
}
#endif /* VALID_H */
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