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By: a guest on May 2nd, 2012  |  syntax: None  |  size: 0.25 KB  |  hits: 14  |  expires: Never
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  1. connection = ActiveRecord::Base.connection.raw_connection
  2.  
  3. query = "COPY ( SELECT '#{header}' UNION ALL #{sql query}) TO STDOUT WITH DELIMITER AS ',' CSV"
  4.  
  5. connection.exec query
  6.  
  7. while (copy_data = connection.get_copy_data) do
  8. # write data to file.csv
  9. end
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