Dimitry Sibiryakov escreveu:

>> we should validate the formats a bit better than just
>> comparing lengths and data types.
>>
>
> When this validation should take place? I hope you are not going to
> slow down statement execution...

The extra cost in execution should be to verify if references to
metadata objects are fresh. When they aren't, statement is re-prepared
and tested against original one. So this cost is not very important.


Adriano