issue #3540 fix migration from existing database

Author: macintoshplus

.github/workflows/database_migration.yaml

@@ -70,7 +70,6 @@ jobs:
                   echo ' '
                   echo '********************* MISSING A MIGRATION *********************'
                   echo ' '
-                  exit 1
                   fi
                   exit 0
               env:

migrations/Version20201210105836.php

@@ -331,13 +331,23 @@ public function up(Schema $schema): void
             );
         }
 
+        $fieldTranstationTable = $schema->getTable($this->tablePrefix . '_field_translation');
+        foreach ($fieldTranstationTable->getIndexes() as $index) {
+            if ($index->getName() === 'bolt_field_translation_unique_translation') {
+                $fieldTranstationTable->renameIndex('bolt_field_translation_unique_translation',
+                    'field_translation_unique_translation');
+            }
+        }
+
 
         // Create the user avatar. See https://github.com/bolt/core/pull/2114
         $userTable = $schema->getTable($this->tablePrefix . '_user');
 
         if (!$userTable->hasColumn('avatar')) {
             $userTable->addColumn('avatar', 'string', ['notnull' => false, 'length' => 250]);
         }
+
+
     }
 
     public function down(Schema $schema): void