valid.h File Reference

#include "access/htup.h"
#include "access/htup_details.h"
#include "access/skey.h"
#include "access/tupdesc.h"

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Functions
static bool	HeapKeyTest (HeapTuple tuple, TupleDesc tupdesc, int nkeys, ScanKey keys)

Function Documentation

HeapKeyTest()

static bool HeapKeyTest ( HeapTuple  tuple, TupleDesc  tupdesc, int  nkeys, ScanKey  keys  )

inlinestatic

Definition at line 28 of file valid.h.

{
    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;
}

References DatumGetBool(), FunctionCall2Coll(), heap_getattr(), ScanKeyData::sk_argument, ScanKeyData::sk_attno, ScanKeyData::sk_collation, ScanKeyData::sk_flags, ScanKeyData::sk_func, SK_ISNULL, and test().

Referenced by heapgettup(), and heapgettup_pagemode().