Class: Tapsoob::CLI::DataStream

Inherits:
Thor
  • Object
show all
Defined in:
lib/tapsoob/cli/data_stream.rb

Instance Method Summary collapse

Instance Method Details

#pull(database_url, dump_path = nil) ⇒ Object 



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# File 'lib/tapsoob/cli/data_stream.rb', line 20

def pull(database_url, dump_path = nil)
  opts = parse_opts(options)

  # Force serial mode when outputting to STDOUT (for piping)
  # Parallel mode would interleave output and corrupt the JSON stream
  if dump_path.nil? && opts[:parallel] && opts[:parallel] > 1
    STDERR.puts "Warning: Parallel mode disabled when outputting to STDOUT (for piping)"
    opts[:parallel] = 1
  end

  op = Tapsoob::Operation::Base.factory(:pull, database_url, dump_path, opts)
  op.pull_data
end

#push(database_url, dump_path = nil) ⇒ Object 



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# File 'lib/tapsoob/cli/data_stream.rb', line 44

def push(database_url, dump_path = nil)
  opts = parse_opts(options)

  # If dump_path is provided, use the Operation class for proper parallel support
  if dump_path && Dir.exist?(dump_path)
    op = Tapsoob::Operation::Base.factory(:push, database_url, dump_path, opts)
    op.push_data
  else
    # STDIN mode: read and import data directly (no parallel support for STDIN)
    if opts[:parallel] && opts[:parallel] > 1
      STDERR.puts "Warning: Parallel mode not supported when reading from STDIN"
    end

    data = []
    STDIN.each_line { |line| data << JSON.parse(line, symbolize_names: true) }

    # import data
    data.each do |table|
      table_name = table[:table_name]

      # Truncate table if purge option is enabled
      if opts[:purge]
        db(database_url, opts)[table_name.to_sym].truncate
      end

      stream = Tapsoob::DataStream::Base.factory(db(database_url, opts), {
        table_name: table_name,
        chunksize: opts[:default_chunksize]
      }, { :"discard-identity" => opts[:"discard-identity"] || false, :purge => opts[:purge] || false, :debug => opts[:debug] })

      begin
        stream.import_rows(table)
      rescue Exception => e
        stream.log.debug e.message
        STDERR.puts "Error loading data in #{table_name} : #{e.message}"
      end
    end
  end
end