Martin Pihlak <martin(dot)pihlak(at)gmail(dot)com> writes:
> Attached is a patch that implements the described signalling. Additionally
> following non-related changes have been made:
> 1. fopen/fclose replaced with AllocateFile/FreeFile
> 2. pgstat_report_stat() now also checks if there are functions to report
> before returning. Previous behavior was to return immediately if no table
> stats were available for reporting.
Applied with minor corrections.
regards, tom lane