Dodanie aplikacji do umieszczania pomocniczych materiałów dla nauczycieli.

[wolnelektury.git] / apps / south / db / postgresql_psycopg2.py

diff --git a/apps/south/db/postgresql_psycopg2.py b/apps/south/db/postgresql_psycopg2.py
index 278eb3e..839b4b1 100644 (file)
--- a/apps/south/db/postgresql_psycopg2.py
+++ b/apps/south/db/postgresql_psycopg2.py
@@ -16,6 +16,7 @@ class DatabaseOperations(generic.DatabaseOperations):
         self.execute('ALTER TABLE %s RENAME COLUMN %s TO %s;' % params)
     
     def rename_table(self, old_table_name, table_name):
+        "will rename the table and an associated ID sequence and primary key index"
         # First, rename the table
         generic.DatabaseOperations.rename_table(self, old_table_name, table_name)
         # Then, try renaming the ID sequence
@@ -25,8 +26,27 @@ class DatabaseOperations(generic.DatabaseOperations):
         try:
             generic.DatabaseOperations.rename_table(self, old_table_name+"_id_seq", table_name+"_id_seq")
         except:
-            print "   ~ No such sequence (ignoring error)"
+            if self.debug:
+                print "   ~ No such sequence (ignoring error)"
             self.rollback_transaction()
         else:
             self.commit_transaction()
-        self.start_transaction()
\ No newline at end of file
+        self.start_transaction()
+
+        # Rename primary key index, will not rename other indices on
+        # the table that are used by django (e.g. foreign keys). Until
+        # figure out how, you need to do this yourself.
+        try:
+            generic.DatabaseOperations.rename_table(self, old_table_name+"_pkey", table_name+ "_pkey")
+        except:
+            if self.debug:
+                print "   ~ No such primary key (ignoring error)"
+            self.rollback_transaction()
+        else:
+            self.commit_transaction()
+        self.start_transaction()
+
+
+    def rename_index(self, old_index_name, index_name):
+        "Rename an index individually"
+        generic.DatabaseOperations.rename_table(self, old_index_name, index_name)