Did you know that you can show your executed query in your 

1
Rails Console
. If you have ever face problem and want to see the query or even debug your query, you can activate it in your 
1
Rails Console
. Simply execute this code in the 
1
Rails Console
:

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ActiveRecord::Base.logger = Logger.new(STDOUT)

That command will print logger in your 

1
Rails Console
. If that command don’t work you can try to clear base connection first

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ActiveRecord::Base.connection_pool.clear_reloadable_connections!

Just try something as usual like 

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User.all
if you have model 
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User
.

Is that work now?