Method: ActionBlocks::DataEngine#to_json

Defined in:
lib/action_blocks/data_engine/data_engine.rb

#to_json ⇒ Object 



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# File 'lib/action_blocks/data_engine/data_engine.rb', line 90

def to_json
  sql = query.to_sql
  jsql = "select array_to_json(array_agg(row_to_json(t)))
      from (#{sql}) t"
  ActiveRecord::Base.connection.select_value(jsql)
end