Re: Patch: show relation and tuple infos of a lock to acquire

In this loop,

> +            for (i = 0; i < desc->natts; i++)
> +            {
> +                char       *val;
> +                int            vallen;
> +

> +                vallen = strlen(val);
> +                if (vallen <= maxfieldlen)
> +                    appendStringInfoString(&buf, val);
> +                else
> +                {
> +                    vallen = pg_mbcliplen(val, vallen, maxfieldlen);
> +                    appendBinaryStringInfo(&buf, val, vallen);
> +                    appendStringInfoString(&buf, "...");
> +                }
> +            }

you're checking that each individual field doesn't go over maxfieldlen
chars (30), but if the fields are numerous, this could end up being very
long anyway.  I think you need to limit total length as well, and as
soon as buf.len exceeds some number of chars, exit the loop.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
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