8000 bpo-44822: Don't truncate `str`s with embedded NULL chars returned by `sqlite3` UDF callbacks by erlend-aasland · Pull Request #27588 · python/cpython · GitHub
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bpo-44822: Don't truncate strs with embedded NULL chars returned by sqlite3 UDF callbacks #27588

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Merged
merged 8 commits into from
Aug 5, 2021
Merged

bpo-44822: Don't truncate strs with embedded NULL chars returned by sqlite3 UDF callbacks #27588

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2241795
bpo-44822: Pass string size to sqlite3_result_text()
Aug 3, 2021
58d3244
Raise OverflowError if size > INT_MAX
Aug 4, 2021
73639f1
Add test
Aug 4, 2021
60d94f9
Add NEWS entry
Aug 4, 2021
10fbc4b
Don't capitalize error string
Aug 4, 2021
a483052
Add aggregate test
Aug 4, 2021
55963ca
Address review: reword NEWS entry
Aug 4, 2021
7a2c279
Apply suggestions from code review
serhiy-storchaka Aug 5, 2021
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Add test
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Erlend E. Aasland committed Aug 4, 2021
commit 73639f12ed432562164f99a2f02182f84af794c0
9 changes: 9 additions & 0 deletions Lib/sqlite3/test/userfunctions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,8 @@ def wrapper(self, *args, **kwargs):

def func_returntext():
return "foo"
def func_returntextwithnull():
return "1\x002"
def func_returnunicode():
return "bar"
def func_returnint():
Expand Down Expand Up @@ -168,6 +170,7 @@ def setUp(self):
self.con = sqlite.connect(":memory:")

self.con.create_function("returntext", 0, func_returntext)
self.con.create_function("returntextwithnull", 0, func_returntextwithnull)
self.con.create_function("returnunicode", 0, func_returnunicode)
self.con.create_function("returnint", 0, func_returnint)
self.con.create_function("returnfloat", 0, func_returnfloat)
Expand Down Expand Up @@ -211,6 +214,12 @@ def test_func_return_text(self):
self.assertEqual(type(val), str)
self.assertEqual(val, "foo")

def test_func_return_text_with_null_char(self):
cur = self.con.cursor()
res = cur.execute("select returntextwithnull()").fetchone()[0]
self.assertEqual(type(res), str)
self.assertEqual(res, "1\x002")

def test_func_return_unicode(self):
cur = self.con.cursor()
cur.execute("select returnunicode()")
Expand Down
0