>
>Running postgresql in interactive mode shows that for each query I
>type there is memory lost. The exact amount of memory lost depends on
>the query I use. The amount of memory not freed is also a function
>of the number of tuples returned.
>
Oops, it seems some palloced memory is not freed by pfree but
using some other function(s).
My mistake, sorry.
Thanks, with regards from Maurice.