Hi all,
When we want to get total size of all relation in a schema we have to
execute one of our favorite DBA query. It is quite simple but what
about displaying schema size when using \dn+ in psql ?
gilles=# \dn+
List of schemas
Name | Owner | Access privileges | Size | Description
--------+----------+----------------------+---------+------------------------
public | postgres | postgres=UC/postgres+| 608 kB | standard public schema
| | =UC/postgres | |
test | gilles | | 57 MB |
empty | gilles | | 0 bytes |
(3 rows)
The attached simple patch adds this feature. Is there any cons adding
this information? The patch tries to be compatible to all PostgreSQL
version. Let me know if I have missed something.
Best regards,
--
Gilles Darold
Consultant PostgreSQL
http://dalibo.com - http://dalibo.org
diff --git a/src/bin/psql/describe.c b/src/bin/psql/describe.c
index 4da6719ce7..8702e52e4d 100644
--- a/src/bin/psql/describe.c
+++ b/src/bin/psql/describe.c
@@ -4188,6 +4188,10 @@ listSchemas(const char *pattern, bool verbose, bool showSystem)
{
appendPQExpBufferStr(&buf, ",\n ");
printACLColumn(&buf, "n.nspacl");
+ appendPQExpBuffer(&buf,
+ ",\n ((SELECT pg_catalog.pg_size_pretty((sum(pg_catalog.pg_relation_size(c.oid)))::bigint) FROM pg_catalog.pg_class c\n LEFT JOIN pg_catalog.pg_namespace s ON s.oid = c.relnamespace WHERE s.nspname = n.nspname)) as \"%s\"",
+ gettext_noop("Size"));
+
appendPQExpBuffer(&buf,
",\n pg_catalog.obj_description(n.oid, 'pg_namespace') AS \"%s\"",
gettext_noop("Description"));
