class Mysql::Protocol::ExecutePacket

Execute packet

Public Class Methods

Source

# File lib/mysql/protocol.rb, line 833
def self.null_bitmap(values)
  bitmap = values.enum_for(:each_slice, 8).map do |vals|
    vals.reverse.inject(0){|b, v| (b << 1 | (v.nil? ? 1 : 0))}
  end
  return bitmap.pack("C*")
end

make null bitmap

If values is [1, nil, 2, 3, nil] then returns “x12”(0b10010).

serialize (statement_id, cursor_type, values)

Source

# File lib/mysql/protocol.rb, line 819
def self.serialize(statement_id, cursor_type, values)
  nbm = null_bitmap values
  netvalues = +""
  types = values.map do |v|
    t, n = Protocol.value2net v
    netvalues.concat n unless v.nil?
    t
  end
  [Mysql::COM_STMT_EXECUTE, statement_id, cursor_type, 1, nbm, 1, types.pack("v*"), netvalues].pack("CVCVa*Ca*a*")
end