# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1527497699 -7200
# Node ID 5094369664f04b627241e38961910df0092d10e4
# Parent  442e7ef5cc41c7bf09261dc4869808656a7625b5
Avoid unnecessary calls to the database if there is no Lua callback

diff -r 442e7ef5cc41 -r 5094369664f0 OrthancServer/LuaScripting.cpp
--- a/OrthancServer/LuaScripting.cpp	Fri May 25 18:54:11 2018 +0200
+++ b/OrthancServer/LuaScripting.cpp	Mon May 28 10:54:59 2018 +0200
@@ -468,7 +468,15 @@
         throw OrthancException(ErrorCode_InternalError);
     }
 
-
+    {
+      // Avoid unnecessary calls to the database if there's no Lua callback
+      boost::recursive_mutex::scoped_lock lock(mutex_);
+      if (!lua_.IsExistingFunction(name))
+      {
+        return;
+      }
+    }
+    
     Json::Value tags, metadata;
     if (context_.GetIndex().LookupResource(tags, change.GetPublicId(), change.GetResourceType()) &&
         context_.GetIndex().GetMetadata(metadata, change.GetPublicId()))