[ARVADOS] updated: 7409b2f682d562cd7ef7bcf558597ae2181ea7c1

[Git user]

Summary of changes:
 services/api/app/models/node.rb | 3 +++
 1 file changed, 3 insertions(+)

       via  7409b2f682d562cd7ef7bcf558597ae2181ea7c1 (commit)
      from  82de7379de9a488a1e5ace7bb854a4c271c466a8 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.


commit 7409b2f682d562cd7ef7bcf558597ae2181ea7c1
Author: Tom Clegg <tom at curoverse.com>
Date:   Fri Jun 16 09:34:08 2017 -0400

    11283: Add explanatory comment to SQL query.
    
    Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom at curoverse.com>

diff --git a/services/api/app/models/node.rb b/services/api/app/models/node.rb
index e1c1e64..8eb40f9 100644
--- a/services/api/app/models/node.rb
+++ b/services/api/app/models/node.rb
@@ -139,6 +139,9 @@ class Node < ArvadosModel
   protected
 
   def self.available_slot_number
+    # Join the sequence 1..max with the nodes table. Return the first
+    # (i.e., smallest) value that doesn't match the slot_number of any
+    # existing node.
     connection.exec_query('SELECT n FROM generate_series(1, $1) AS slot(n)
                           LEFT JOIN nodes ON n=slot_number
                           WHERE slot_number IS NULL

-----------------------------------------------------------------------


hooks/post-receive
--