more efficient sql stmt

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13947 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/applications/mod_commands/mod_commands.c b/src/mod/applications/mod_commands/mod_commands.c
index 6b41831a8859097f249c2f70e12dfb9814e585de..ede6eb7073fd2d118785d362be1c199a22b73622 100644 (file)
--- a/src/mod/applications/mod_commands/mod_commands.c
+++ b/src/mod/applications/mod_commands/mod_commands.c
@@ -2823,7 +2823,8 @@ SWITCH_STANDARD_API(show_function)
                    }
                }
        } else if (!strcasecmp(command, "distinct_channels")) {
-               sprintf(sql, "select * from channels left join calls on channels.uuid=calls.caller_uuid where uuid in (select caller_uuid from calls) or (uuid not in (select caller_uuid from calls) and uuid not in (select callee_uuid from calls)) order by created_epoch");
+               sprintf(sql, "select * from channels left join calls on "
+                               "channels.uuid=calls.caller_uuid where channels.uuid not in (select callee_uuid from calls) order by created_epoch");
                if (argv[2] && !strcasecmp(argv[1], "as")) {
                        as = argv[2];
                }