Statistics Import and Export commit related issue.

hi.
the thread "Statistics Import and Export" is quite hot.
so a new thread for some minor issue i found.


static int
_tocEntryRequired(TocEntry *te, teSection curSection, ArchiveHandle *AH)
{

    if (strcmp(te->desc, "STATISTICS DATA") == 0)
    {
        if (!ropt->dumpStatistics)
            return 0;
        else
            res = REQ_STATS;
    }

    /* If it's statistics and we don't want statistics, maybe ignore it */
    if (!ropt->dumpStatistics && strcmp(te->desc, "STATISTICS DATA") == 0)
        return 0;
}
As you can see, there is some duplicate code there.
in _tocEntryRequired, we can move `` if (strcmp(te->desc, "STATISTICS
DATA") == 0)`` after switch (curSection).
so pg_dump --section option does not influence statistics dump.
attached is the proposed change.


in dumpTableData_copy, we have:
    pg_log_info("dumping contents of table \"%s.%s\"",
                tbinfo->dobj.namespace->dobj.name, classname);
dumpRelationStats add a pg_log_info would be a good thing.
commit: https://git.postgresql.org/cgit/postgresql.git/commit/?id=1fd1bd871012732e3c6c482667d2f2c56f1a9395
didn't have any pg_log_info.


https://www.postgresql.org/docs/devel/app-pgrestore.html
"""
--jobs=number-of-jobs
Run the most time-consuming steps of pg_restore — those that load
data, create indexes, or create constraints — concurrently, using up
to number-of-jobs concurrent sessions.
"""
we may need to change the above sentence?
pg_restore restore STATISTICS DATA also doing it concurrently if
--jobs is specified.