move the dispatch table to be per-instance

visitors are not shared among threads, so any mutations to the cache
should be OK.  The cache is also pre-populated on construction, but we
should pull that out so we can share the cache among visitors in the
future.

1 files changed, 1 insertions, 1 deletions

diff --git a/test/visitors/test_to_sql.rb b/test/visitors/test_to_sql.rb
index b495c4d994..195566902b 100644
--- a/test/visitors/test_to_sql.rb
+++ b/test/visitors/test_to_sql.rb
@@ -29,7 +29,7 @@ module Arel
           end
 
           def dispatch
-            { Arel::Table => 'hello' }
+            { Arel::Table.name => 'hello' }
           end
         }.new