TODO item inquiry/claim

Hi all,

In looking over the TODO doc, I saw

* Add table name mapping for numeric file names

After reading the thread that bore that entry, I'd like to
submit a bit of code for consideration, since it solves at least one
of the problems raised in that thread. You may fetch it from cvs;

sh$ cvs -d :pserver:anoncvs(at)rcfile(dot)org:/var/cvs login
[no password, just press enter]
sh$ cvs -d :pserver:anoncvs(at)rcfile(dot)org:/var/cvs co pg_stat_du
sh$ echo "read the README"

It's been tested with 7.1 and 7.2bN and is basically a few c functions
that allow (approximate) reports of disk usage (in Kb) per database,
and per relation (only on the current database, for now).

brent=# SELECT datname, pg_du_db(datname) AS diskusage FROM pg_database;
datname | diskusage
-----------+-----------
brent | 1785
template1 | 1713
template0 | 1713
(3 rows)

brent=# select relname,pg_du_rel(relname) as diskusage from pg_class
brent-# where (relkind='r' or relkind='i') order by diskusage desc;
relname | diskusage
---------------------------------+-----------
pg_proc | 252
pg_proc_proname_narg_type_index | 236
pg_description | 100
pg_attribute | 92
pg_operator | 84
...

If you guys could suggest what needs to be added/modified to allow
Bruce to mark off that TODO item, I can probably get that done later
today.

cheers.
brent

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