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Code Issues 25 Releases Wiki Activity

Fixed #34103 -- Fixed logging SQL queries with duplicate parameters on Oracle.

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This commit is contained in:
David Sanders 2022-10-18 23:13:18 +11:00 committed by Mariusz Felisiak
parent 80c66e40f7
commit 64b3c413da
2 changed files with 25 additions and 8 deletions
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16
django/db/backends/oracle/operations.py
View File

@ -323,16 +323,16 @@ END;
# Unlike Psycopg's `query` and MySQLdb`'s `_executed`, cx_Oracle's
# `statement` doesn't contain the query parameters. Substitute
# parameters manually.
if isinstance(params, (tuple, list)):
for i, param in enumerate(reversed(params), start=1):
param_num = len(params) - i
statement = statement.replace(
":arg%d" % param_num, force_str(param, errors="replace")
)
elif isinstance(params, dict):
if params:
if isinstance(params, (tuple, list)):
params = {
f":arg{i}": param for i, param in enumerate(dict.fromkeys(params))
}
elif isinstance(params, dict):
params = {f":{key}": val for (key, val) in params.items()}
for key in sorted(params, key=len, reverse=True):
statement = statement.replace(
":%s" % key, force_str(params[key], errors="replace")
key, force_str(params[key], errors="replace")
)
return statement

17
tests/backends/tests.py
View File

@ -142,6 +142,23 @@ class LastExecutedQueryTest(TestCase):
sql % params,
)
def test_last_executed_query_with_duplicate_params(self):
square_opts = Square._meta
table = connection.introspection.identifier_converter(square_opts.db_table)
id_column = connection.ops.quote_name(square_opts.get_field("id").column)
root_column = connection.ops.quote_name(square_opts.get_field("root").column)
sql = f"UPDATE {table} SET {root_column} = %s + %s WHERE {id_column} = %s"
with connection.cursor() as cursor:
params = [42, 42, 1]
cursor.execute(sql, params)
last_executed_query = connection.ops.last_executed_query(
cursor, sql, params
)
self.assertEqual(
last_executed_query,
f"UPDATE {table} SET {root_column} = 42 + 42 WHERE {id_column} = 1",
)
class ParameterHandlingTest(TestCase):
def test_bad_parameter_count(self):