SERVER-35217 Do not kill associated client cursors when transaction ends

1 files changed, 35 insertions, 0 deletions

diff --git a/jstests/core/txns/kill_transaction_cursors_after_commit.js b/jstests/core/txns/kill_transaction_cursors_after_commit.js
new file mode 100644
index 00000000000..50aa93b749f
--- /dev/null
+++ b/jstests/core/txns/kill_transaction_cursors_after_commit.js
@@ -0,0 +1,35 @@
+// Tests that cursors created in transactions may be killed outside of the transaction.
+// @tags: [uses_transactions]
+(function() {
+    "use strict";
+
+    const dbName = "test";
+    const collName = "kill_transaction_cursors";
+    const testDB = db.getSiblingDB(dbName);
+    const session = db.getMongo().startSession({causalConsistency: false});
+    const sessionDb = session.getDatabase(dbName);
+    const sessionColl = sessionDb[collName];
+
+    sessionColl.drop();
+    for (let i = 0; i < 4; ++i) {
+        assert.commandWorked(sessionColl.insert({_id: i}));
+    }
+
+    jsTest.log("Test that cursors created in transactions may be kill outside of the transaction.");
+    session.startTransaction();
+    let res = assert.commandWorked(sessionDb.runCommand({find: collName, batchSize: 2}));
+    assert(res.hasOwnProperty("cursor"), tojson(res));
+    assert(res.cursor.hasOwnProperty("id"), tojson(res));
+    session.commitTransaction();
+    assert.commandWorked(sessionDb.runCommand({killCursors: collName, cursors: [res.cursor.id]}));
+
+    jsTest.log("Test that cursors created in transactions may be kill outside of the session.");
+    session.startTransaction();
+    res = assert.commandWorked(sessionDb.runCommand({find: collName, batchSize: 2}));
+    assert(res.hasOwnProperty("cursor"), tojson(res));
+    assert(res.cursor.hasOwnProperty("id"), tojson(res));
+    session.commitTransaction();
+    assert.commandWorked(testDB.runCommand({killCursors: collName, cursors: [res.cursor.id]}));
+
+    session.endSession();
+}());