Re: "money" binary representation
От | John R Pierce |
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Тема | Re: "money" binary representation |
Дата | |
Msg-id | 4B00D75F.3020902@hogranch.com обсуждение исходный текст |
Ответ на | "money" binary representation (Konstantin Izmailov <pgfizm@gmail.com>) |
Ответы |
Re: "money" binary representation
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Список | pgsql-general |
Konstantin Izmailov wrote: > I'm trying to read "money" field using PQgetvalue (PostgreSQL 8.3.7). > The function returns 9 bytes, smth like 0h 0h 0h 0h 0h 0h 14h 0h 0h, > for the value '$50.2'. I could not find description anywhere on how to > convert the binary data into, for example, a double precision number. > > Would you please help me find a method of converting binary "money" > data into a double precision? > Its my understanding that MONEY is deprecated that you really should store money values as NUMERIC instead. a wild guess says thats some variant on NUMERIC, which is stored in base 10000 as a series of 16 bit integers, with a fuixed point fraction. why would you convert money to floating point? $0.10 in binary floating point is a repeating fraction which can't be represented exactly btw, are you sure your value isn't $51.20 ? 0x1400 is 5120 decimal.
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