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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 0e22062913..e31d2237eb 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -856,6 +856,7 @@ module ActiveRecord
sql_mode = "REPLACE(#{sql_mode}, 'STRICT_ALL_TABLES', '')"
sql_mode = "REPLACE(#{sql_mode}, 'TRADITIONAL', '')"
end
+ sql_mode = "CONCAT(#{sql_mode}, ',NO_AUTO_VALUE_ON_ZERO')"
end
sql_mode_assignment = "@@SESSION.sql_mode = #{sql_mode}, " if sql_mode