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Re: Problem with data storage

From: "Francois Cote" <francoisco(at)aei(dot)ca>
To: pgsql-novice(at)postgresql(dot)org
Subject: Re: Problem with data storage
Date: 2008-04-08 11:37:03
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-novice

One more thing about the money type.  At first, I thought that I had  
overflowed the capacity. Sorry for my english here,  what I mean is, like  
a signed Byte, the value range from 127 to -128, so what happens when you  
put a value of 136?  That's right it become negative.  But, reading the  
PostgreSQL documentation, the value of a Money type can range from  
-92233720368547758.08 to +92233720368547758.07.  So my 22443018 is way in  
the range to do that behavior, and since I tried adding value using also  
an SQL query, I expected that the PostgreSQL engine could handle the value  

I already contacted MicroOLAP for my problems.  But for the money type,  
since it doesn't work with an Insert query, I don't expect they can do  

Thanks for any help you can provide.


On Fri, 04 Apr 2008 15:41:35 -0400, "Francois Cote" <francoisco(at)aei(dot)ca>  

> Suppose the following table:
> CREATE TABLE "TestNumbers"
> (
>   "TestInteger" integer,
>   "TestReal" real,
>   "TestMoney" money,
>   "TestDouble" double precision,
>   "TestNumeric" numeric(20,2)
> );
>  Now, after adding a record with the value 22443018 for each fields I  
> finally have the following values:
> TestInteger: 22443018
> TestReal:    22443000
> TestMoney:   {get a read error at 0x00000000, probably microOLAP DAC  
> related}
> TestDouble:  {empty/no value displayed}
> TestNumeric  {empty/no value displayed}
>  Using pgAdmin III, I see the same values.
>  Now Inserting data in the table using pgAdmin III:
> INSERT INTO "TestNumbers"(
>             "TestInteger", "TestReal", "TestMoney", "TestDouble",  
> "TestNumeric")
>     VALUES ('22443018', '22443018', '22443018', '22443018', '22443018');
>  The results are in pgAdmin are:
> TestInteger: 22443018
> TestReal:    2.2443e+007
> TestMoney:   -$20,506,654.96
> TestDouble:  22443018
> TestNumeric: 22443018.00
>  And looking at this record from C++ Builder, I have the following  
> values:
> TestInteger: 22443018
> TestReal:    22443000
> TestMoney:   -$20,506,654.96
> TestDouble:  {empty/no value displayed}
> TestNumeric: {empty/no value displayed}
>  I have made the same test with a simple Paradox table, and all values  
> are displayed correctly.
>  Does anybody knows why the rounding occurs, why the negative value and  
> why the blank value?
>   Thanks a lot
> Francois

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