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c8b2ef05f4
The previous macro implementations just cast the argument to a target type but did not check whether the input type was appropriate. The function implementation can do better type checking of the input type. For the *GetDatumFast() macros, converting to an inline function doesn't work in the !USE_FLOAT8_BYVAL case, but we can use AssertVariableIsOfTypeMacro() to get a similar level of type checking. Reviewed-by: Aleksander Alekseev <aleksander@timescale.com> Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://www.postgresql.org/message-id/flat/8528fb7e-0aa2-6b54-85fb-0c0886dbd6ed%40enterprisedb.com
36 lines
595 B
C
36 lines
595 B
C
/*
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* src/include/utils/cash.h
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*
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*
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* cash.h
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* Written by D'Arcy J.M. Cain
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*
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* Functions to allow input and output of money normally but store
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* and handle it as 64 bit integer.
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*/
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#ifndef CASH_H
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#define CASH_H
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#include "fmgr.h"
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typedef int64 Cash;
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/* Cash is pass-by-reference if and only if int64 is */
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static inline Cash
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DatumGetCash(Datum X)
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{
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return DatumGetInt64(X);
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}
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static inline Datum
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CashGetDatum(Cash X)
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{
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return Int64GetDatum(X);
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}
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#define PG_GETARG_CASH(n) DatumGetCash(PG_GETARG_DATUM(n))
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#define PG_RETURN_CASH(x) return CashGetDatum(x)
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#endif /* CASH_H */
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