1 /* 2 * src/include/utils/cash.h 3 * 4 * 5 * cash.h 6 * Written by D'Arcy J.M. Cain 7 * 8 * Functions to allow input and output of money normally but store 9 * and handle it as 64 bit integer. 10 */ 11 12 #ifndef CASH_H 13 #define CASH_H 14 15 #include "fmgr.h" 16 17 typedef int64 Cash; 18 19 /* Cash is pass-by-reference if and only if int64 is */ 20 #define DatumGetCash(X) ((Cash) DatumGetInt64(X)) 21 #define CashGetDatum(X) Int64GetDatum(X) 22 #define PG_GETARG_CASH(n) DatumGetCash(PG_GETARG_DATUM(n)) 23 #define PG_RETURN_CASH(x) return CashGetDatum(x) 24 25 #endif /* CASH_H */ 26