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[1.8.x] Fixed #25055 -- Made m2m long name testing friendlier for 3rd party databases.
Backport of f9c3587b51
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@ -328,6 +328,10 @@ class FieldNamesTests(IsolatedModelsTestCase):
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# First error because of M2M field set on the model with long name.
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# First error because of M2M field set on the model with long name.
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m2m_long_name = "verylongmodelnamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz_id"
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m2m_long_name = "verylongmodelnamezzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz_id"
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if self.max_column_name_length > len(m2m_long_name):
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# Some databases support names longer than the test name.
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expected = []
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else:
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expected = [
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expected = [
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Error(
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Error(
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'Autogenerated column name too long for M2M field "%s". '
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'Autogenerated column name too long for M2M field "%s". '
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