- the "where" criterion of an update() and delete() now correlates

embedded select() statements against the table being updated or
deleted.  this works the same as nested select() statement
correlation, and can be disabled via the correlate=False flag on
the embedded select().

1 files changed, 6 insertions, 1 deletions

diff --git a/test/sql/select.py b/test/sql/select.py
index 91b293cbe..1d0a63e2f 100644
--- a/test/sql/select.py
+++ b/test/sql/select.py
@@ -828,10 +828,15 @@ class CRUDTest(SQLTest):
         u = update(table1, table1.c.name == 'jack', values = {table1.c.name : s})
         self.runtest(u, "UPDATE mytable SET name=(SELECT myothertable.otherid, myothertable.othername FROM myothertable WHERE myothertable.otherid = mytable.myid) WHERE mytable.name = :mytable_name")
 
-        # test a correlated WHERE clause
+        # test a non-correlated WHERE clause
         s = select([table2.c.othername], table2.c.otherid == 7)
         u = update(table1, table1.c.name==s)
         self.runtest(u, "UPDATE mytable SET myid=:myid, name=:name, description=:description WHERE mytable.name = (SELECT myothertable.othername FROM myothertable WHERE myothertable.otherid = :myothertable_otherid)")
+
+        # test one that is actually correlated...
+        s = select([table2.c.othername], table2.c.otherid == table1.c.myid)
+        u = table1.update(table1.c.name==s)
+        self.runtest(u, "UPDATE mytable SET myid=:myid, name=:name, description=:description WHERE mytable.name = (SELECT myothertable.othername FROM myothertable WHERE myothertable.otherid = mytable.myid)")
         
     def testdelete(self):
         self.runtest(delete(table1, table1.c.myid == 7), "DELETE FROM mytable WHERE mytable.myid = :mytable_myid")