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-rw-r--r--test/sql/test_compiler.py12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/sql/test_compiler.py b/test/sql/test_compiler.py
index 4e086c8cd..9a53dd89c 100644
--- a/test/sql/test_compiler.py
+++ b/test/sql/test_compiler.py
@@ -2663,6 +2663,18 @@ class CRUDTest(fixtures.TestBase, AssertsCompiledSQL):
"(SELECT myothertable.othername FROM myothertable "
"WHERE myothertable.otherid = mytable.myid)")
+ # test correlated FROM implicit in WHERE and SET clauses
+ u = table1.update().values(name=table2.c.othername)\
+ .where(table2.c.otherid == table1.c.myid)
+ self.assert_compile(u,
+ "UPDATE mytable SET name=myothertable.othername "
+ "FROM myothertable WHERE myothertable.otherid = mytable.myid")
+ u = table1.update().values(name='foo')\
+ .where(table2.c.otherid == table1.c.myid)
+ self.assert_compile(u,
+ "UPDATE mytable SET name=:name "
+ "FROM myothertable WHERE myothertable.otherid = mytable.myid")
+
def test_delete(self):
self.assert_compile(
delete(table1, table1.c.myid == 7),