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Ensure that decreasing number of rows returned from a DML returning statement

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is detected properly.
This commit is contained in:
Anthony Tuininga 2018-04-19 14:21:26 -06:00
parent 8fcea38b27
commit e763419b59
1 changed files with 17 additions and 0 deletions
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17
test/DMLReturning.py
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@ -217,3 +217,20 @@ class TestDMLReturning(BaseTestCase):
cx_Oracle.__future__.dml_ret_array_val = False cx_Oracle.__future__.dml_ret_array_val = False
self.connection.rollback() self.connection.rollback()
def testDeleteReturningDecreasingRowsReturned(self):
"test delete returning multiple times with decreasing number of rows"
data = [(i, "Test String %d" % i) for i in range(1, 11)]
self.cursor.execute("truncate table TestTempTable")
self.cursor.executemany("insert into TestTempTable values (:1, :2)",
data)
results = []
intVar = self.cursor.var(int)
self.cursor.setinputsizes(None, intVar)
for intVal in (5, 8, 10):
self.cursor.execute("""
delete from TestTempTable
where IntCol < :1
returning IntCol into :2""", [intVal])
results.append(intVar.values)
self.assertEqual(results, [ [1, 2, 3, 4], [5, 6, 7], [8, 9] ])