8000 bpo-44165: Add tests for sqlite3 SQL string length by erlend-aasland · Pull Request #26485 · python/cpython · GitHub
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bpo-44165: Add tests for sqlite3 SQL string length #26485

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bpo-44165: Add tests for sqlite3 SQL string length #26485

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6669571
bpo-44165: Add tests for sqlite3 SQL string length
Jun 2, 2021
4e04464
Use assertRaisesRegex
Jun 2, 2021
7d35abf
Skip if we cannot set up test environment
Jun 2, 2021
3687fea
Fetch max string length limit from compile time options
Jun 2, 2021
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Fetch max string length limit from compile time options
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Erlend E. Aasland committed Jun 2, 2021
commit 3687feaa7f38cc0d1134a000747bfe6514091ba2
8 changes: 7 additions & 1 deletion Lib/sqlite3/test/dbapi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -232,8 +232,14 @@ def test_execute_too_much_sql3(self):
def test_execute_too_long_string(self):
# The default value of SQLITE_MAX_LENGTH is 1_000_000_000, but it may
# be up to 2_147_483_647.
res = self.cu.execute("pragma compile_options")
opts = {k: v for k, v in [o[0].split("=") for o in res if "=" in o[0]]}
try:
too_long = " " * 2_147_483_648
max_length = int(opts['MAX_LENGTH'])
except (KeyError, TypeError):
max_length = 1_000_000_000
try:
too_long = " " * (max_length + 1)
except OverflowError:
self.skipTest("Unable to create too large SQL string")
regex = "query string is too large"
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