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Raise NotSupportedError fetching iso_8601 intervals

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Previously it would have failed parsing and resulted in ValueError

Close #707
This commit is contained in:
Daniele Varrazzo 2018-05-20 13:22:38 +01:00
parent 098c00d73e
commit 3f389593f5
2 changed files with 12 additions and 0 deletions
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5
psycopg/typecast_datetime.c
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@ -406,6 +406,11 @@ typecast_PYINTERVAL_cast(const char *str, Py_ssize_t len, PyObject *curs)
}
break;
case 'P':
PyErr_SetString(NotSupportedError,
"iso_8601 intervalstyle currently not supported");
return NULL;
default:
break;
}

7
tests/test_dates.py
View File

@ -438,6 +438,13 @@ class DatetimeTests(ConnectingTestCase, CommonDatetimeTestsMixin):
r = cur.fetchone()[0]
self.assertEqual(r, v, "%s -> %s != %s" % (s, r, v))
def test_interval_iso_8601_not_supported(self):
# We may end up supporting, but no pressure for it
cur = self.conn.cursor()
cur.execute("set local intervalstyle to iso_8601")
cur.execute("select '1 day 2 hours'::interval")
self.assertRaises(psycopg2.NotSupportedError, cur.fetchone)
# Only run the datetime tests if psycopg was compiled with support.
if not hasattr(psycopg2.extensions, 'PYDATETIME'):