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-rw-r--r--test/dialect/postgresql/test_compiler.py55
1 files changed, 55 insertions, 0 deletions
diff --git a/test/dialect/postgresql/test_compiler.py b/test/dialect/postgresql/test_compiler.py
index 76fd9d907..05963e51c 100644
--- a/test/dialect/postgresql/test_compiler.py
+++ b/test/dialect/postgresql/test_compiler.py
@@ -249,6 +249,61 @@ class CompileTest(fixtures.TestBase, AssertsCompiledSQL):
'SUBSTRING(%(substring_1)s FROM %(substring_2)s)')
+ def test_for_update(self):
+ table1 = table('mytable',
+ column('myid'), column('name'), column('description'))
+
+ self.assert_compile(
+ table1.select(table1.c.myid == 7).with_for_update(),
+ "SELECT mytable.myid, mytable.name, mytable.description "
+ "FROM mytable WHERE mytable.myid = %(myid_1)s FOR UPDATE")
+
+ self.assert_compile(
+ table1.select(table1.c.myid == 7).with_for_update(nowait=True),
+ "SELECT mytable.myid, mytable.name, mytable.description "
+ "FROM mytable WHERE mytable.myid = %(myid_1)s FOR UPDATE NOWAIT")
+
+ self.assert_compile(
+ table1.select(table1.c.myid == 7).with_for_update(read=True),
+ "SELECT mytable.myid, mytable.name, mytable.description "
+ "FROM mytable WHERE mytable.myid = %(myid_1)s FOR SHARE")
+
+ self.assert_compile(
+ table1.select(table1.c.myid == 7).
+ with_for_update(read=True, nowait=True),
+ "SELECT mytable.myid, mytable.name, mytable.description "
+ "FROM mytable WHERE mytable.myid = %(myid_1)s FOR SHARE NOWAIT")
+
+ self.assert_compile(
+ table1.select(table1.c.myid == 7).
+ with_for_update(of=table1.c.myid),
+ "SELECT mytable.myid, mytable.name, mytable.description "
+ "FROM mytable WHERE mytable.myid = %(myid_1)s "
+ "FOR UPDATE OF mytable")
+
+ self.assert_compile(
+ table1.select(table1.c.myid == 7).
+ with_for_update(read=True, nowait=True, of=table1.c.myid),
+ "SELECT mytable.myid, mytable.name, mytable.description "
+ "FROM mytable WHERE mytable.myid = %(myid_1)s "
+ "FOR SHARE OF mytable NOWAIT")
+
+ self.assert_compile(
+ table1.select(table1.c.myid == 7).
+ with_for_update(read=True, nowait=True,
+ of=[table1.c.myid, table1.c.name]),
+ "SELECT mytable.myid, mytable.name, mytable.description "
+ "FROM mytable WHERE mytable.myid = %(myid_1)s "
+ "FOR SHARE OF mytable NOWAIT")
+
+ ta = table1.alias()
+ self.assert_compile(
+ ta.select(ta.c.myid == 7).
+ with_for_update(of=[ta.c.myid, ta.c.name]),
+ "SELECT mytable_1.myid, mytable_1.name, mytable_1.description "
+ "FROM mytable AS mytable_1 "
+ "WHERE mytable_1.myid = %(myid_1)s FOR UPDATE OF mytable_1"
+ )
def test_reserved_words(self):