Hi Lance,

I can confirm both the regression and the fix. A pull request would be
great I think. I can also do it if you want.

Thanks,
Björn

The recent updates to set_user_disk_usage.py for Postgres users have
an issue with Postgres 8.x.  The SQL in the pgcalc method (line 51)
leads to the following error:

sqlalchemy.exc.ProgrammingError: (ProgrammingError) column "d.total_size" must appear in the GROUP BY clause or be used in an aggregate function
LINE 4: FROM (  SELECT d.total_siz...
            ^

The problem is that version of Postgres before 9.x were a bit more
restrictive in the use of GROUP BY.  This can be fixed using DISTINCT
ON instead.  See this StackOverflow post for more info:
http://stackoverflow.com/questions/1769361/postgresql-group-by-different-from-mysql

I've included a patch below.  Let me know if a pull request would be
preferred.


--- a/scripts/set_user_disk_usage.py
+++ b/scripts/set_user_disk_usage.py
@@ -52,7 +52,7 @@
     sql = """
            UPDATE galaxy_user
               SET disk_usage = (SELECT COALESCE(SUM(total_size), 0)
-                                  FROM (  SELECT d.total_size
+                                  FROM (  SELECT DISTINCT ON (d.id)
d.total_size, d.id
                                             FROM
history_dataset_association hda
                                                  JOIN history h ON
h.id = hda.history_id
                                                  JOIN dataset d ON
hda.dataset_id = d.id
@@ -62,7 +62,7 @@
                                                  AND d.purged = false
                                                  AND d.id NOT IN
(SELECT dataset_id

FROM library_dataset_dataset_association)
-                                        GROUP BY d.id) sizes)
+                                        ) sizes)
             WHERE id = :id
         RETURNING disk_usage;
     """
-- 
Lance Parsons - Scientific Programmer
134 Carl C. Icahn Laboratory
Lewis-Sigler Institute for Integrative Genomics
Princeton University


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