File: parameter.h

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/* Copyright (c) 2016, 2025, Oracle and/or its affiliates.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is designed to work with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have either included with
   the program or referenced in the documentation.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

#ifndef DD__PARAMETER_INCLUDED
#define DD__PARAMETER_INCLUDED

#include "my_inttypes.h"
#include "sql/dd/types/column.h"         // dd::Column::enum_column_types
#include "sql/dd/types/entity_object.h"  // dd::Entity_object

namespace dd {

///////////////////////////////////////////////////////////////////////////

class Routine;
class Parameter_impl;
class Parameter_type_element;

namespace tables {
class Parameters;
}

///////////////////////////////////////////////////////////////////////////

class Parameter : virtual public Entity_object {
 public:
  typedef Collection<Parameter_type_element *>
      Parameter_type_element_collection;
  typedef Parameter_impl Impl;
  typedef tables::Parameters DD_table;

 public:
  ~Parameter() override = default;

 public:
  enum enum_parameter_mode { PM_IN = 1, PM_OUT, PM_INOUT };

 public:
  /////////////////////////////////////////////////////////////////////////
  // Is name null?
  /////////////////////////////////////////////////////////////////////////

  virtual void set_name_null(bool is_null) = 0;
  virtual bool is_name_null() const = 0;

  /////////////////////////////////////////////////////////////////////////
  // Routine.
  /////////////////////////////////////////////////////////////////////////

  virtual const Routine &routine() const = 0;

  virtual Routine &routine() = 0;

  /////////////////////////////////////////////////////////////////////////
  // ordinal_position.
  /////////////////////////////////////////////////////////////////////////

  virtual uint ordinal_position() const = 0;

  /////////////////////////////////////////////////////////////////////////
  // mode
  /////////////////////////////////////////////////////////////////////////

  virtual enum_parameter_mode mode() const = 0;
  virtual void set_mode(enum_parameter_mode mode) = 0;
  virtual void set_parameter_mode_null(bool is_null) = 0;
  virtual bool is_parameter_mode_null() const = 0;

  /////////////////////////////////////////////////////////////////////////
  // data type.
  /////////////////////////////////////////////////////////////////////////

  virtual enum_column_types data_type() const = 0;
  virtual void set_data_type(enum_column_types type) = 0;

  /////////////////////////////////////////////////////////////////////////
  // display type
  /////////////////////////////////////////////////////////////////////////

  virtual const String_type &data_type_utf8() const = 0;
  virtual void set_data_type_utf8(const String_type &data_type_utf8) = 0;

  /////////////////////////////////////////////////////////////////////////
  // is_zerofill.
  /////////////////////////////////////////////////////////////////////////

  virtual bool is_zerofill() const = 0;
  virtual void set_zerofill(bool zerofill) = 0;

  /////////////////////////////////////////////////////////////////////////
  // is_unsigned.
  /////////////////////////////////////////////////////////////////////////

  virtual bool is_unsigned() const = 0;
  virtual void set_unsigned(bool unsigned_flag) = 0;

  /////////////////////////////////////////////////////////////////////////
  // char_length.
  /////////////////////////////////////////////////////////////////////////

  virtual size_t char_length() const = 0;
  virtual void set_char_length(size_t char_length) = 0;

  /////////////////////////////////////////////////////////////////////////
  // numeric_precision.
  /////////////////////////////////////////////////////////////////////////

  virtual uint numeric_precision() const = 0;
  virtual void set_numeric_precision(uint numeric_precision) = 0;

  /////////////////////////////////////////////////////////////////////////
  // numeric_scale.
  /////////////////////////////////////////////////////////////////////////

  virtual uint numeric_scale() const = 0;
  virtual void set_numeric_scale(uint numeric_scale) = 0;
  virtual void set_numeric_scale_null(bool is_null) = 0;
  virtual bool is_numeric_scale_null() const = 0;

  /////////////////////////////////////////////////////////////////////////
  // datetime_precision.
  /////////////////////////////////////////////////////////////////////////

  virtual uint datetime_precision() const = 0;
  virtual void set_datetime_precision(uint datetime_precision) = 0;

  /////////////////////////////////////////////////////////////////////////
  // collation.
  /////////////////////////////////////////////////////////////////////////

  virtual Object_id collation_id() const = 0;
  virtual void set_collation_id(Object_id collation_id) = 0;

  /////////////////////////////////////////////////////////////////////////
  // Options.
  /////////////////////////////////////////////////////////////////////////

  virtual const Properties &options() const = 0;

  virtual Properties &options() = 0;
  virtual bool set_options(const String_type &options_raw) = 0;

  /////////////////////////////////////////////////////////////////////////
  // Elements.
  /////////////////////////////////////////////////////////////////////////

  virtual Parameter_type_element *add_element() = 0;

  virtual const Parameter_type_element_collection &elements() const = 0;

  virtual size_t elements_count() const = 0;
};

///////////////////////////////////////////////////////////////////////////

}  // namespace dd

#endif  // DD__PARAMETER_INCLUDED