From 2b3d19e50860a3c26ceb4fef371ace94f0bd9b7f Mon Sep 17 00:00:00 2001
From: Matija Santl <matija.santl@memgraph.com>
Date: Wed, 19 Dec 2018 15:37:38 +0100
Subject: [PATCH] Reset `TransactionEngine` internal state on Abort

Summary:
With neo4j java driver 1.7.0. they don't send `ROLLBACK`. This causes
unexpected nested transaction errors. This diff should fix that.

Reviewers: mferencevic

Reviewed By: mferencevic

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D1780
---
 src/query/transaction_engine.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/query/transaction_engine.hpp b/src/query/transaction_engine.hpp
index 91fae2987..61691166b 100644
--- a/src/query/transaction_engine.hpp
+++ b/src/query/transaction_engine.hpp
@@ -93,6 +93,8 @@ class TransactionEngine final {
 
   void Abort() {
     results_ = std::experimental::nullopt;
+    expect_rollback_ = false;
+    in_explicit_transaction_ = false;
     if (!db_accessor_) return;
     db_accessor_->Abort();
     db_accessor_ = nullptr;