On Tue, Jan 23, 2007 at 09:23:06AM +0100, Pascal Lequeux wrote:
> Hi all,
>
> The *array_to_string *function used to compare the content of arrays of
> doubles doesn't return the same result if the OS is Windows or if it is
> a Linux system.
>
> Here is an example using the same table content:
> Result 1: "0,0.000263,*8e-06*,*8e-06*,0.000146,0.000321" [PostgreSQL
> 8.0.4 (redhat) or 8.1.5 (OpenSuse 10.2)]
> Result 2: "0,0.000263,*8e-006*,*8e-006*,0.000146,0.000321" [PostgreSQL
> 8.1.4, 8.1.5 or 8.1.6 (Windows)]
> The string compare fails!
>
> Is there a way to fix the exponent size ?
AFAIK, no. This is based on the operating system C library. It differs
between some other platforms as well IIRC - there are exceptions in the
regression tests for this.
//Magnus
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