Emanuel Araújo wrote:
> The field where the problem occurs is of type float or double, when 
> extracting data from firebird, it
> creates the tables materialized as type text. There is problem with null 
> values ​​or zero bytes. There
> are three records with value "1.5" and are those records that generates the 
> error.

>> What I would do is check how the data look in Perl.
>> Build a simple Perl script that selects the problem data and display them 
>> byte for byte.
>>
>> That should help understand the problem.

> I will try

Another possibility is to use the 8.4 installation where things work
and display the actual content with something like:

SELECT encode(col, 'escape') FROM tab WHERE ...

That should show any zero bytes.

Yours,
Laurenz Albe

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