Class: Baza::Driver::Sqlite3Java::UnbufferedResult

Inherits:
ResultBase
  • Object
show all
Defined in:
lib/baza/driver/sqlite3_java/unbuffered_result.rb

Instance Method Summary collapse

Methods inherited from ResultBase

#to_a, #to_a_enum, #to_enum

Constructor Details

#initialize(_driver, result_set) ⇒ UnbufferedResult

Returns a new instance of UnbufferedResult.



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# File 'lib/baza/driver/sqlite3_java/unbuffered_result.rb', line 2

def initialize(_driver, result_set)
  @result_set = result_set
  return unless @result_set

  metadata = @result_set.meta_data
  @columns_count = metadata.column_count

  @columns = []
  1.upto(@columns_count) do |count|
    @columns << metadata.column_name(count).to_sym
  end
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/baza/driver/sqlite3_java/unbuffered_result.rb', line 27

def each
  loop do
    data = fetch

    if data
      yield data
    else
      break
    end
  end
end

#fetch ⇒ Object 



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# File 'lib/baza/driver/sqlite3_java/unbuffered_result.rb', line 15

def fetch
  result = @result_set.next if @result_set
  return nil unless result

  hash = {}
  @columns_count.times do |count|
    hash[@columns[count]] = @result_set.string(count + 1)
  end

  hash
end