From: Erlend Egeberg Aasland <erlend.aasland@innova.no>
Date: Mon, 4 Jan 2021 23:16:43 +0000 (+0100)
Subject: bpo-40810: Fix CheckTraceCallbackContent for SQLite pre 3.7.15 (GH-20530)
X-Git-Tag: v3.10.0a5~147
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f7f0ed59bcc41ed20674d4b2aa443d3b79e725f4;p=thirdparty%2FPython%2Fcpython.git

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."_
---

diff --git a/Lib/sqlite3/test/hooks.py b/Lib/sqlite3/test/hooks.py
index 2e620ecdf864..6c1aaa2d6016 100644
--- a/Lib/sqlite3/test/hooks.py
+++ b/Lib/sqlite3/test/hooks.py
@@ -260,6 +260,14 @@ class TraceCallbackTests(unittest.TestCase):
         cur.execute(queries[0])
         con2.execute("create table bar(x)")
         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)
 
 
diff --git a/Misc/NEWS.d/next/Tests/2020-05-30-10-56-38.bpo-40810.LPqDLQ.rst b/Misc/NEWS.d/next/Tests/2020-05-30-10-56-38.bpo-40810.LPqDLQ.rst
new file mode 100644
index 000000000000..1965ecd6ef51
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2020-05-30-10-56-38.bpo-40810.LPqDLQ.rst
@@ -0,0 +1 @@
+In :mod:`sqlite3`, fix `CheckTraceCallbackContent` for SQLite pre 3.7.15.