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bpo-40810: Fix CheckTraceCallbackContent for SQLite pre 3.7.15 (GH-20530) 

Ref. [SQLite 3.7.15 changelog](https://sqlite.org/changes.html#version_3_7_15):
_"Avoid invoking the sqlite3_trace() callback multiple times when a statement is automatically reprepared due to SQLITE_SCHEMA errors."_
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Erlend Egeberg Aasland 2021-01-05 00:16:43 +01:00 committed by GitHub
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8
Lib/sqlite3/test/hooks.py
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@ -260,6 +260,14 @@ class TraceCallbackTests(unittest.TestCase):
cur.execute(queries[0]) cur.execute(queries[0])
con2.execute("create table bar(x)") con2.execute("create table bar(x)")
cur.execute(queries[1]) cur.execute(queries[1])
# Extract from SQLite 3.7.15 changelog:
# Avoid invoking the sqlite3_trace() callback multiple times when a
# statement is automatically reprepared due to SQLITE_SCHEMA errors.
#
# See bpo-40810
if sqlite.sqlite_version_info < (3, 7, 15):
queries.append(queries[-1])
self.assertEqual(traced_statements, queries) self.assertEqual(traced_statements, queries)

1
Misc/NEWS.d/next/Tests/2020-05-30-10-56-38.bpo-40810.LPqDLQ.rst Normal file
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@ -0,0 +1 @@
In :mod:`sqlite3`, fix `CheckTraceCallbackContent` for SQLite pre 3.7.15.