gistfile1.rb

warn "Opening database connection ..."
DB = Sequel.postgres(:host=>'localhost', :user=>'logs', :database=>'logs')
warn "Running COPY command with data ..."
DB.run copy_command
DB.synchronize do |conn|
  ret = conn.put_copy_data(copy_data) # or raise "could not send COPY data"
  warn "Sent COPY data: #{ret}"
  ret = conn.put_copy_end # or raise "could not send COPY end"
  warn "Sent COPY end: #{ret}"
end
DB.disconnect