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gh-117995: Don't raise DeprecationWarnings for indexed nameless params (#118001)

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Filter out '?NNN' placeholders when looking for named params.

Co-authored-by: AN Long <aisk@users.noreply.github.com>
This commit is contained in:
Erlend E. Aasland 2024-04-22 08:43:20 +02:00 • committed by GitHub
parent 8b541c017e
commit 550483b7e6
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3 changed files with 17 additions and 1 deletions
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14
Lib/test/test_sqlite3/test_dbapi.py
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@ -28,6 +28,7 @@ import sys
import threading
import unittest
import urllib.parse
import warnings
from test.support import (
SHORT_TIMEOUT, check_disallow_instantiation, requires_subprocess,
@ -887,6 +888,19 @@ class CursorTests(unittest.TestCase):
self.cu.execute(query, params)
self.assertEqual(cm.filename, __file__)
def test_execute_indexed_nameless_params(self):
# See gh-117995: "'?1' is considered a named placeholder"
for query, params, expected in (
("select ?1, ?2", (1, 2), (1, 2)),
("select ?2, ?1", (1, 2), (2, 1)),
):
with self.subTest(query=query, params=params):
with warnings.catch_warnings():
warnings.simplefilter("error", DeprecationWarning)
cu = self.cu.execute(query, params)
actual, = cu.fetchall()
self.assertEqual(actual, expected)
def test_execute_too_many_params(self):
category = sqlite.SQLITE_LIMIT_VARIABLE_NUMBER
msg = "too many SQL variables"