X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Fdbconn.py;h=6948cf6c27902528030c17f0f8f602811a3b79dc;hb=67bc14539b91a77d841b02b76444fdd62206d896;hp=ae5a9e0d21b6583712fcc5d7fd3578cb55479876;hpb=6b1a0d77983a7a2dd80630cc46ad659fa4cc3b7a;p=dak.git

diff --git a/daklib/dbconn.py b/daklib/dbconn.py
index ae5a9e0d..6948cf6c 100755
--- a/daklib/dbconn.py
+++ b/daklib/dbconn.py
@@ -3219,7 +3219,6 @@ class DBConn(object):
             'almost_obsolete_all_associations',
             'almost_obsolete_src_associations',
             'any_associations_source',
-            'bin_assoc_by_arch',
             'bin_associations_binaries',
             'binaries_suite_arch',
             'binfiles_suite_component_arch',
@@ -3591,12 +3590,21 @@ class DBConn(object):
         self.__setupmappers()
         self.pid = os.getpid()
 
-    def session(self):
+    def session(self, work_mem = 0):
+        '''
+        Returns a new session object. If a work_mem parameter is provided a new
+        transaction is started and the work_mem parameter is set for this
+        transaction. The work_mem parameter is measured in MB. A default value
+        will be used if the parameter is not set.
+        '''
         # reinitialize DBConn in new processes
         if self.pid != os.getpid():
             clear_mappers()
             self.__createconn()
-        return self.db_smaker()
+        session = self.db_smaker()
+        if work_mem > 0:
+            session.execute("SET LOCAL work_mem TO '%d MB'" % work_mem)
+        return session
 
 __all__.append('DBConn')