Class: Droonga::Plugins::Groonga::Select::RequestConverter

Inherits:
Object
  • Object
show all
Defined in:
lib/droonga/plugins/groonga/select.rb

Instance Method Summary collapse

Instance Method Details

#convert(select_request) ⇒ Object



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# File 'lib/droonga/plugins/groonga/select.rb', line 23

def convert(select_request)
  table = select_request["table"]
  result_name = table + "_result"
  match_columns = select_request["match_columns"]
  match_to = match_columns ? match_columns.split(/ *\|\| */) : []
  query = select_request["query"]
  output_columns = select_request["output_columns"] || ""
  attributes = output_columns.split(/, */)
  offset = (select_request["offset"] || "0").to_i
  limit = (select_request["limit"] || "10").to_i

  search_request = {
    "queries" => {
      result_name => {
        "source" => table,
        "output" => {
          "elements"   => [
            "startTime",
            "elapsedTime",
            "count",
            "attributes",
            "records",
          ],
          "attributes" => attributes,
          "offset" => offset,
          "limit" => limit,
        },
      }
    }
  }
  if query
    condition = {
      "query"  => query,
      "matchTo"=> match_to,
      "defaultOperator"=> "&&",
      "allowPragma"=> false,
      "allowColumn"=> true,
    }
    search_request["queries"][result_name]["condition"] = condition
  end
  search_request
end