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Consolidate ItemPointer to Datum conversion functions

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Instead of defining the same set of macros several times, define it
once in an appropriate header file.  In passing, convert to inline
functions.

Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Discussion: https://www.postgresql.org/message-id/flat/844dd4c5-e5a1-3df1-bfaf-d1e1c2a16e45%40enterprisedb.com
This commit is contained in:
Peter Eisentraut
2023-02-13 09:50:14 +01:00
parent 7da51590ed
commit bd944884e9
5 changed files with 20 additions and 12 deletions
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20
src/include/storage/itemptr.h
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@@ -222,4 +222,24 @@ extern int32 ItemPointerCompare(ItemPointer arg1, ItemPointer arg2);
extern void ItemPointerInc(ItemPointer pointer);
extern void ItemPointerDec(ItemPointer pointer);
/* ----------------
* Datum conversion functions
* ----------------
*/
static inline ItemPointer
DatumGetItemPointer(Datum X)
{
return (ItemPointer) DatumGetPointer(X);
}
static inline Datum
ItemPointerGetDatum(const ItemPointerData *X)
{
return PointerGetDatum(X);
}
#define PG_GETARG_ITEMPOINTER(n) DatumGetItemPointer(PG_GETARG_DATUM(n))
#define PG_RETURN_ITEMPOINTER(x) return ItemPointerGetDatum(x)
#endif /* ITEMPTR_H */