Method: Mysql::Protocol#query_command

Defined in:
lib/vendor/mysql/protocol.rb

#query_command(query) ⇒ Object

Query command

Argument

query
String

query string

Return

Integer / nil

number of fields of results. nil if no results.



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# File 'lib/vendor/mysql/protocol.rb', line 210

def query_command(query)
  check_state :READY
  begin
    reset
    write [COM_QUERY, @charset.convert(query)].pack("Ca*")
    get_result
  rescue
    set_state :READY
    raise
  end
end