Don't quote the table if it isn't a table name. By doing this Arel supports using custom SQL FROM like: edges USE INDEX(unique_edge_index)

1 files changed, 6 insertions, 2 deletions

diff --git a/lib/arel/engines/sql/formatters.rb b/lib/arel/engines/sql/formatters.rb
index 22935ebff1..626803a887 100644
--- a/lib/arel/engines/sql/formatters.rb
+++ b/lib/arel/engines/sql/formatters.rb
@@ -91,8 +91,12 @@ module Arel
       end
 
       def table(table)
-        quote_table_name(table.name) +
-        (table.name != name_for(table) ? " AS " + quote_table_name(name_for(table)) : '')
+        if table.name =~ /\s/
+          table.name
+        else
+          quote_table_name(table.name) +
+            (table.name != name_for(table) ? " AS " + quote_table_name(name_for(table)) : '')
+        end
       end
     end