class Embulk::Guess::Jsonl

$ embulk guess -g “jsonl” partial-config.yml

Public Instance Methods

guess_lines(config, sample_lines) click to toggle source
# File lib/embulk/guess/jsonl.rb, line 11
def guess_lines(config, sample_lines)
  #return {} unless config.fetch("parser", {}).fetch("type", "jsonl") == "jsonl"

  rows = []

  columns = {}
  sample_lines.each do |line|
    rows << JSON.parse(line)
  end

  columns = Embulk::Guess::SchemaGuess.from_hash_records(rows).map do |c|
    column = {name: c.name, type: c.type}
    column[:format] = c.format if c.format
    column
  end
  parser_guessed = {"type" => "jsonl"}
  parser_guessed["columns"] = columns
  return {"parser" => parser_guessed}
end