2017-08-13 02:42:35 +08:00
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import unittest
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from django.db import connection
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@unittest.skipUnless(connection.vendor == 'oracle', 'Oracle tests')
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class OperationsTests(unittest.TestCase):
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def test_sequence_name_truncation(self):
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seq_name = connection.ops._get_no_autofield_sequence_name('schema_authorwithevenlongee869')
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self.assertEqual(seq_name, 'SCHEMA_AUTHORWITHEVENLOB0B8_SQ')
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2017-10-06 00:52:37 +08:00
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def test_bulk_batch_size(self):
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# Oracle restricts the number of parameters in a query.
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objects = range(2**16)
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self.assertEqual(connection.ops.bulk_batch_size([], objects), len(objects))
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# Each field is a parameter for each object.
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self.assertEqual(
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connection.ops.bulk_batch_size(['id'], objects),
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connection.features.max_query_params,
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)
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self.assertEqual(
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connection.ops.bulk_batch_size(['id', 'other'], objects),
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connection.features.max_query_params // 2,
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)
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