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 extern Datum cash_in(PG_FUNCTION_ARGS); 26 extern Datum cash_out(PG_FUNCTION_ARGS); 27 extern Datum cash_recv(PG_FUNCTION_ARGS); 28 extern Datum cash_send(PG_FUNCTION_ARGS); 29 30 extern Datum cash_eq(PG_FUNCTION_ARGS); 31 extern Datum cash_ne(PG_FUNCTION_ARGS); 32 extern Datum cash_lt(PG_FUNCTION_ARGS); 33 extern Datum cash_le(PG_FUNCTION_ARGS); 34 extern Datum cash_gt(PG_FUNCTION_ARGS); 35 extern Datum cash_ge(PG_FUNCTION_ARGS); 36 extern Datum cash_cmp(PG_FUNCTION_ARGS); 37 38 extern Datum cash_pl(PG_FUNCTION_ARGS); 39 extern Datum cash_mi(PG_FUNCTION_ARGS); 40 extern Datum cash_div_cash(PG_FUNCTION_ARGS); 41 42 extern Datum cash_mul_flt8(PG_FUNCTION_ARGS); 43 extern Datum flt8_mul_cash(PG_FUNCTION_ARGS); 44 extern Datum cash_div_flt8(PG_FUNCTION_ARGS); 45 46 extern Datum cash_mul_flt4(PG_FUNCTION_ARGS); 47 extern Datum flt4_mul_cash(PG_FUNCTION_ARGS); 48 extern Datum cash_div_flt4(PG_FUNCTION_ARGS); 49 50 extern Datum cash_mul_int8(PG_FUNCTION_ARGS); 51 extern Datum int8_mul_cash(PG_FUNCTION_ARGS); 52 extern Datum cash_div_int8(PG_FUNCTION_ARGS); 53 54 extern Datum cash_mul_int4(PG_FUNCTION_ARGS); 55 extern Datum int4_mul_cash(PG_FUNCTION_ARGS); 56 extern Datum cash_div_int4(PG_FUNCTION_ARGS); 57 58 extern Datum cash_mul_int2(PG_FUNCTION_ARGS); 59 extern Datum int2_mul_cash(PG_FUNCTION_ARGS); 60 extern Datum cash_div_int2(PG_FUNCTION_ARGS); 61 62 extern Datum cashlarger(PG_FUNCTION_ARGS); 63 extern Datum cashsmaller(PG_FUNCTION_ARGS); 64 65 extern Datum cash_words(PG_FUNCTION_ARGS); 66 67 extern Datum cash_numeric(PG_FUNCTION_ARGS); 68 extern Datum numeric_cash(PG_FUNCTION_ARGS); 69 70 extern Datum int4_cash(PG_FUNCTION_ARGS); 71 extern Datum int8_cash(PG_FUNCTION_ARGS); 72 73 #endif /* CASH_H */ 74