class Embulk::Guess::Jsonpath
Public Instance Methods
guess_text(config, sample_text)
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# File lib/embulk/guess/jsonpath.rb, line 9 def guess_text(config, sample_text) parser_config = config.param("parser",:hash) json_path = parser_config.param("root",:string,default: "$") json = JsonPath.new(json_path).on(sample_text).first if( json.kind_of?(Array) ) no_hash = json.find{ |j| !j.kind_of?(Hash) } raise RuntimeError,"Can't exec guess. The row data must be hash." if no_hash columns = Embulk::Guess::SchemaGuess.from_hash_records(json).map do |c| column = {name: c.name, type: c.type} column[:format] = c.format if c.format column end parser_guessed = {"type" => "jsonpath"} parser_guessed["columns"] = columns return {"parser" => parser_guessed} else raise RuntimeError,"Can't guess specified the JSONPath: #{json_path}. The results does not return an Array." end end