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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,19 +1,128 @@ | ||
| import psycopg | ||
| from decimal import Decimal | ||
| import math | ||
| import unittest | ||
| import datetime | ||
| import zoneinfo | ||
|
|
||
| def test_psycopg_extended_mode(): | ||
| conn = psycopg.connect(host='localhost', port='4566', dbname='dev', user='root') | ||
| with conn.cursor() as cur: | ||
| cur.execute("select Array[1::bigint, 2::bigint, 3::bigint]", binary=True) | ||
| assert cur.fetchone() == ([1, 2, 3],) | ||
| PG_HOST = 'localhost' | ||
| PG_PORT = 4566 | ||
| PG_DBNAME = 'dev' | ||
| PG_USER = 'root' | ||
|
|
||
| cur.execute("select Array['foo', null, 'bar']", binary=True) | ||
| assert cur.fetchone() == (['foo', None, 'bar'],) | ||
| class TestPsycopgExtendedMode(unittest.TestCase): | ||
| def test_psycopg_extended_mode(self): | ||
| with psycopg.connect(host=PG_HOST, port=PG_PORT, dbname=PG_DBNAME, user=PG_USER) as conn: | ||
| with conn.cursor() as cur: | ||
| # Boolean | ||
| cur.execute("select true, false, null::boolean", binary=True) | ||
| self.assertEqual(cur.fetchone(), (True, False, None)) | ||
|
|
||
| cur.execute("select ROW('123 Main St', 'New York', '10001')", binary=True) | ||
| assert cur.fetchone() == (('123 Main St', 'New York', '10001'),) | ||
| # Integer types | ||
| cur.execute("select 1::smallint, 2::integer, 3::bigint", binary=True) | ||
| self.assertEqual(cur.fetchone(), (1, 2, 3)) | ||
|
|
||
| cur.execute("select array[ROW('123 Main St', 'New York', '10001'), ROW('234 Main St', null, '10001')]", binary=True) | ||
| assert cur.fetchone() == ([('123 Main St', 'New York', '10001'), ('234 Main St', None, '10001')],) | ||
| # Decimal/Numeric types | ||
| cur.execute("select 1.23::decimal, 2.5::real, 3.45::double precision", binary=True) | ||
| self.assertEqual(cur.fetchone(), (Decimal('1.23'), 2.5, 3.45)) | ||
|
|
||
| # String | ||
| cur.execute("select 'hello'::varchar, null::varchar", binary=True) | ||
| self.assertEqual(cur.fetchone(), ('hello', None)) | ||
|
|
||
| # Date/Time types | ||
| cur.execute("select '2023-01-01'::date, '12:34:56'::time, '2023-01-01 12:34:56'::timestamp, '2023-01-01 12:34:56+00'::timestamptz", binary=True) | ||
| self.assertEqual(cur.fetchone(), (datetime.date(2023, 1, 1), datetime.time(12, 34, 56), datetime.datetime(2023, 1, 1, 12, 34, 56), datetime.datetime(2023, 1, 1, 20, 34, 56, tzinfo=zoneinfo.ZoneInfo(key='Asia/Shanghai')))) | ||
|
|
||
| # Interval | ||
| cur.execute("select '1 year 2 months 3 days 4 hours 5 minutes 6 seconds'::interval", binary=True) | ||
| self.assertEqual(cur.fetchone(), (datetime.timedelta(days=428, seconds=14706),)) | ||
|
|
||
| # Byte array | ||
| cur.execute("select '\\xDEADBEEF'::bytea", binary=True) | ||
| self.assertEqual(cur.fetchone(), (b'\xDE\xAD\xBE\xEF',)) | ||
|
|
||
| cur.execute("select '\\x'::bytea", binary=True) | ||
| self.assertEqual(cur.fetchone(), (b'',)) | ||
|
|
||
| # Array | ||
| cur.execute("select ARRAY[true, false, null]::boolean[]", binary=True) | ||
| self.assertEqual(cur.fetchone(), ([True, False, None],)) | ||
|
|
||
| cur.execute("select ARRAY[1, 2, 3]::smallint[]", binary=True) | ||
| self.assertEqual(cur.fetchone(), ([1, 2, 3],)) | ||
|
|
||
| cur.execute("select ARRAY[1, 2, 3]::integer[]", binary=True) | ||
| self.assertEqual(cur.fetchone(), ([1, 2, 3],)) | ||
|
|
||
| cur.execute("select ARRAY[1, 2, 3]::bigint[]", binary=True) | ||
| self.assertEqual(cur.fetchone(), ([1, 2, 3],)) | ||
|
|
||
| cur.execute("select ARRAY[1.1, 2.2, 3.3]::decimal[]", binary=True) | ||
| self.assertEqual(cur.fetchone(), ([Decimal('1.1'), Decimal('2.2'), Decimal('3.3')],)) | ||
|
|
||
| cur.execute("select ARRAY[1.1, 2.2, 3.3]::real[]", binary=True) | ||
| result = cur.fetchone()[0] # Fetch once and store the result | ||
| self.assertAlmostEqual(result[0], 1.1, places=6) | ||
| self.assertAlmostEqual(result[1], 2.2, places=6) | ||
| self.assertAlmostEqual(result[2], 3.3, places=6) | ||
|
|
||
| cur.execute("select ARRAY[1.1, 2.2, 3.3]::double precision[]", binary=True) | ||
| result = cur.fetchone()[0] # Fetch once and store the result | ||
| self.assertAlmostEqual(result[0], 1.1, places=6) | ||
| self.assertAlmostEqual(result[1], 2.2, places=6) | ||
| self.assertAlmostEqual(result[2], 3.3, places=6) | ||
|
|
||
| cur.execute("select ARRAY['foo', 'bar', null]::varchar[]", binary=True) | ||
| self.assertEqual(cur.fetchone(), (['foo', 'bar', None],)) | ||
|
|
||
| cur.execute("select ARRAY['\\xDEADBEEF'::bytea, '\\x0102'::bytea]", binary=True) | ||
| self.assertEqual(cur.fetchone(), ([b'\xDE\xAD\xBE\xEF', b'\x01\x02'],)) | ||
|
|
||
| cur.execute("select ARRAY['2023-01-01', '2023-01-02']::date[]", binary=True) | ||
| self.assertEqual(cur.fetchone(), ([datetime.date(2023, 1, 1), datetime.date(2023, 1, 2)],)) | ||
|
|
||
| cur.execute("select ARRAY['12:34:56', '23:45:01']::time[]", binary=True) | ||
| self.assertEqual(cur.fetchone()[0], [datetime.time(12, 34, 56), datetime.time(23, 45, 1)]) | ||
|
|
||
| cur.execute("select ARRAY['2023-01-01 12:34:56', '2023-01-02 23:45:01']::timestamp[]", binary=True) | ||
| self.assertEqual(cur.fetchone()[0], [datetime.datetime(2023, 1, 1, 12, 34, 56), datetime.datetime(2023, 1, 2, 23, 45, 1)]) | ||
|
|
||
| cur.execute("select ARRAY['2023-01-01 12:34:56+00', '2023-01-02 23:45:01+00']::timestamptz[]", binary=True) | ||
| self.assertEqual(cur.fetchone()[0], [datetime.datetime(2023, 1, 1, 12, 34, 56, tzinfo=datetime.timezone.utc), datetime.datetime(2023, 1, 2, 23, 45, 1, tzinfo=datetime.timezone.utc)]) | ||
|
|
||
| cur.execute("select ARRAY['{\"a\": 1}'::jsonb, '{\"b\": 2}'::jsonb]", binary=True) | ||
| self.assertEqual(cur.fetchone(), ([{'a': 1}, {'b': 2}],)) | ||
|
|
||
| # Struct | ||
| cur.execute("select ROW('123 Main St'::varchar, 'New York'::varchar, 10001)", binary=True) | ||
| self.assertEqual(cur.fetchone(), (('123 Main St', 'New York', 10001),)) | ||
|
|
||
| cur.execute("select array[ROW('123 Main St'::varchar, 'New York'::varchar, 10001), ROW('234 Main St'::varchar, null, 10002)]", binary=True) | ||
| self.assertEqual(cur.fetchone(), ([('123 Main St', 'New York', 10001), ('234 Main St', None, 10002)],)) | ||
|
|
||
| # Numeric | ||
| cur.execute("select 'NaN'::numeric, 'NaN'::real, 'NaN'::double precision", binary=True) | ||
| result = cur.fetchone() | ||
| self.assertTrue(result[0].is_nan()) | ||
| self.assertTrue(math.isnan(result[1])) | ||
| self.assertTrue(math.isnan(result[2])) | ||
|
|
||
| cur.execute("select 'Infinity'::numeric, 'Infinity'::real, 'Infinity'::double precision", binary=True) | ||
| self.assertEqual(cur.fetchone(), (float('inf'), float('inf'), float('inf'))) | ||
|
|
||
| cur.execute("select '-Infinity'::numeric, '-Infinity'::real, '-Infinity'::double precision", binary=True) | ||
| self.assertEqual(cur.fetchone(), (float('-inf'), float('-inf'), float('-inf'))) | ||
|
|
||
| # JSONB | ||
| cur.execute("select '{\"name\": \"John\", \"age\": 30, \"city\": null}'::jsonb", binary=True) | ||
| self.assertEqual(cur.fetchone(), ({'name': 'John', 'age': 30, 'city': None},)) | ||
|
|
||
| cur.execute("select '{\"scores\": [85.5, 90, null], \"passed\": true}'::jsonb", binary=True) | ||
| self.assertEqual(cur.fetchone(), ({'scores': [85.5, 90, None], 'passed': True},)) | ||
|
|
||
| cur.execute("select '[{\"id\": 1, \"value\": null}, {\"id\": 2, \"value\": \"test\"}]'::jsonb", binary=True) | ||
| self.assertEqual(cur.fetchone(), ([{'id': 1, 'value': None}, {'id': 2, 'value': 'test'}],)) | ||
|
|
||
| if __name__ == '__main__': | ||
| test_psycopg_extended_mode() | ||
| unittest.main() |
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