On 11/10/11 16:05, Tom Lane wrote:
> I agree with Jan that this is probably useful; I'm pretty sure there
> have been requests for it before. We just have to make sure that the
> length of the message stays in bounds.
>
> One tip for keeping the length down: there is no value in repeating
> information from the primary error message, such as the name of the
> constraint.
Thanks to your comments and suggestions, I appreciate the time of the
reviewers.
Attached is a second version of this patch which keeps the size of the
output at 64 characters per column (which is an arbitrary value defined
as a const int, which I hope matches your style). Longer values have
their last three characters replaced by "...", so there's no way to
distinguish them from a legitimate string that ends with just that.
There's also no escaping of special-string values, similar to how the
BuildIndexValueDescription operates.
Cheers,
Jan
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