From 52dda066cd9de5e7d8b61d15116296206554295a Mon Sep 17 00:00:00 2001
From: Taras Machyshyn <taras@espocrm.com>
Date: Wed, 9 Oct 2019 10:34:26 +0300
Subject: [PATCH] Index name consists of a list of fields for relation tables

---
 application/Espo/Core/Utils/Database/Schema/Converter.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/application/Espo/Core/Utils/Database/Schema/Converter.php b/application/Espo/Core/Utils/Database/Schema/Converter.php
index d304464ef3..2a1c5aa674 100644
--- a/application/Espo/Core/Utils/Database/Schema/Converter.php
+++ b/application/Espo/Core/Utils/Database/Schema/Converter.php
@@ -340,7 +340,8 @@ class Converter
         }
 
         if (!empty($uniqueIndex)) {
-            $table->addUniqueIndex($uniqueIndex, SchemaUtils::generateIndexName($columnName, 'unique'));
+            $uniqueIndexName = implode('_', $uniqueIndex);
+            $table->addUniqueIndex($uniqueIndex, SchemaUtils::generateIndexName($uniqueIndexName, 'unique'));
         }
         //END: add unique indexes