Am I High?

Relevant File Content:
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/var/chef/cache/cookbooks/postgresql/recipes/config_pgtune.rb:

 85:
 86:  # Parse out db_type option, or use default.
 87:  db_type = 'mixed'
 88:
 89:  if (node['postgresql'].attribute?('config_pgtune') && node['postgresql']['config_pgtune'].attribute?('db_type'))
 90:    db_type = node['postgresql']['config_pgtune']['db_type']
 91:    if (!(["dw","oltp","web","mixed","desktop"].include?(db_type)))
 92>>     Chef::Application.fatal!([
 93:          "Bad value (#{db_type})",
 94:          "for node['postgresql']['config_pgtune']['db_type'] attribute.",
 95:          "Valid values are one of dw, oltp, web, mixed, desktop."
 96:        ].join(' '))
 97:    end
 98:  end
 99:
100:  # Parse out max_connections option, or use a value based on db_type.
101:  con =