Add test

Author: erlend-aasland

Lib/test/test_sqlite3/test_dbapi.py

@@ -1495,6 +1495,14 @@ def test_blob_closed_db_read(self):
                                    "Cannot operate on a closed database",
                                    blob.read)
 
+    def test_blob_32bit_rowid(self):
+        # gh-100370: we should not get an OverflowError for 32-bit rowids
+        with memory_database() as cx:
+            rowid = 2**32
+            cx.execute("create table t(t blob)")
+            cx.execute("insert into t(rowid, t) values (?, zeroblob(1))", (rowid,))
+            cx.blobopen('t', 't', rowid)
+
 
 @threading_helper.requires_working_threading()
 class ThreadTests(unittest.TestCase):