code: def _mysql_colspec(
      compiler: MySQLDDLCompiler,
      nullable: Optional[bool],
      server_default: Optional[Union[_ServerDefault, Literal[False]]],
      type_: TypeEngine,
      autoincrement: Optional[bool],
      comment: Optional[Union[str, Literal[False]]],
  ) -> str:
      spec = "%s %s" % (
          compiler.dialect.type_compiler.process(type_),
          "NULL" if nullable else "NOT NULL",
      )
      if autoincrement:
          spec += " AUTO_INCREMENT"
      if server_default is not False and server_default is not None:
          spec += " DEFAULT %s" % format_server_default(
              compiler, server_default
          )
      if comment:
          spec += (
              " COMMENT %s"
              % compiler.sql_compiler.render_literal_value(
                  comment, sqltypes.String()
              )
          )
  
      return spec
  
imports: from __future__ import annotations
  import re
  from typing import Any
  from typing import Optional
  from typing import TYPE_CHECKING
  from typing import Union
  from sqlalchemy import schema
  from sqlalchemy import types
  from .base import alter_table
  from .base import AlterColumn
  from .base import ColumnDefault
  from .base import ColumnName
  from .base import ColumnNullable
  from .base import ColumnType
  from .base import format_column_name
  from .base import format_server_default
  from .impl import DefaultImpl
  from ..None import util
  from ..util import sqla_compat
  from ..util.sqla_compat import _is_mariadb
  from ..util.sqla_compat import _is_type_bound
  from ..util.sqla_compat import compiles
label_desc: Use image node_id 5 for calling a global function with example usage: _mysql_colspec(compiler, nullable, server_default, type_, autoincrement, comment) and returns: spec