From 6faed218ba2f19a630cf4e1bb0ef8d2d2d187b4a Mon Sep 17 00:00:00 2001
From: Miguel Gonzalez <migonzalvar@gmail.com>
Date: Wed, 18 Apr 2018 13:06:57 +0200
Subject: [PATCH] feature: Add trace information to SQL statement

---
 taiga/base/utils/db.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/taiga/base/utils/db.py b/taiga/base/utils/db.py
index 24d386ed..457b8cf7 100644
--- a/taiga/base/utils/db.py
+++ b/taiga/base/utils/db.py
@@ -151,9 +151,14 @@ def update_attr_in_bulk_for_ids(values, attr, model):
 
     # We can have deadlocks with multiple updates over the same object
     # In that situation we just retry
+    import time
+    ts = time.time()
+    def trace_info(retries):
+        return '/* query=update_attr_in_bulk id={ts} retries={retries} */'.format(retries=retries, ts=ts)
+
     def _run_sql(retries=0, max_retries=3):
         try:
-            cursor.execute(sql)
+            cursor.execute(trace_info(retries) + sql)
         except DatabaseError:
             if retries < max_retries:
                 _run_sql(retries + 1)