| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | "Juan Pablo L(dot)" <jpablolorenzetti(at)hotmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: numeric data type |
| Date: | 2015-09-22 21:11:26 |
| Message-ID: | 20150922211126.GH295765@alvherre.pgsql |
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| Lists: | pgsql-general |
Juan Pablo L. wrote:
> thank you for your answer, the function is declared as:
>
> FUNCTION wtt_discount_account(IN in_phonenumber varchar(20),IN in_balanceid integer,IN in_chgval numeric(10,2))
>
> i chose numeric because is supposed to be better for numbers/money operations, supposed to be exact,
> i would not want to loose precision because that is money, is there any other way which does not
> involve loosing precision ? thankS!!
What you need is to use PG_GETARG_NUMERIC, then, and use a Numeric *
variable rather than float8.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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