diff options
Diffstat (limited to 'lib/arel/visitors/mssql.rb')
| -rw-r--r-- | lib/arel/visitors/mssql.rb | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/arel/visitors/mssql.rb b/lib/arel/visitors/mssql.rb index fdf37081dc..4085af9069 100644 --- a/lib/arel/visitors/mssql.rb +++ b/lib/arel/visitors/mssql.rb @@ -62,7 +62,8 @@ module Arel elsif x.groups.any? x.groups else - [Arel.sql(find_left_table_pk(x.froms).to_s)] + pk = find_left_table_pk(x.froms) + pk ? [pk] : [] end end @@ -77,7 +78,7 @@ module Arel # FIXME raise exception of there is no pk? # FIXME!! Table.primary_key will be deprecated. What is the replacement?? def find_left_table_pk o - return visit o.primary_key if o.instance_of? Arel::Table + return o.primary_key if o.instance_of? Arel::Table find_left_table_pk o.left if o.kind_of? Arel::Nodes::Join end end |