I want to rename a table... (any table.)

I tried this line of code:

ActiveRecord::ConnectionAdapters::SchemaStatements.rename_table(old_name, new_name)

Here's the weird thing. I know I got it working the first time, but now I get this error: undefined method `rename_table' for ActiveRecord::ConnectionAdapters::SchemaStatements:Module

Was there something I need to set?

ruby-on-rails
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