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-rw-r--r--lib/arel/visitors/to_sql.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb
index f2f9d20f21..63097a2399 100644
--- a/lib/arel/visitors/to_sql.rb
+++ b/lib/arel/visitors/to_sql.rb
@@ -737,7 +737,7 @@ module Arel
end
def unsupported o, collector
- raise "unsupported: #{o.class.name}"
+ raise "unsupported argument type: #{o.class.name}. Construct an Arel node instead."
end
alias :visit_ActiveSupport_Multibyte_Chars :unsupported