function_impl.h

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/* Copyright (c) 2016, 2022, 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.
 
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   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
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   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
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef DD__FUNCTION_IMPL_INCLUDED
#define DD__FUNCTION_IMPL_INCLUDED
 
#include <stddef.h>
#include <sys/types.h>
#include <new>
 
#include "my_inttypes.h"
#include "sql/dd/impl/raw/raw_record.h"
#include "sql/dd/impl/types/entity_object_impl.h"
#include "sql/dd/impl/types/routine_impl.h"  // dd::Routine_impl
#include "sql/dd/impl/types/weak_object_impl.h"
#include "sql/dd/object_id.h"
#include "sql/dd/string_type.h"
#include "sql/dd/types/column.h"
#include "sql/dd/types/function.h"  // dd::Function
#include "sql/dd/types/routine.h"
#include "sql/dd/types/view.h"
 
namespace dd {
 
///////////////////////////////////////////////////////////////////////////
 
class Open_dictionary_tables_ctx;
class Parameter;
class Weak_object;
class Object_table;
 
class Function_impl : public Routine_impl, public Function {
 public:
  Function_impl();
 
  ~Function_impl() override = default;
 
  bool update_routine_name_key(Name_key *key, Object_id schema_id,
                               const String_type &name) const override;
 
 public:
  bool validate() const override;
 
  bool restore_attributes(const Raw_record &r) override;
 
  bool store_attributes(Raw_record *r) override;
 
  void debug_print(String_type &outb) const override;
 
 public:
  /////////////////////////////////////////////////////////////////////////
  // result data type.
  /////////////////////////////////////////////////////////////////////////
 
  enum_column_types result_data_type() const override {
    return m_result_data_type;
  }
 
  void set_result_data_type(enum_column_types result_data_type) override {
    m_result_data_type = result_data_type;
  }
 
  bool is_result_data_type_null() const override {
    return m_result_data_type_null;
  }
 
  void set_result_data_type_null(bool is_null) override {
    m_result_data_type_null = is_null;
  }
 
  /////////////////////////////////////////////////////////////////////////
  // Result display type
  /////////////////////////////////////////////////////////////////////////
 
  const String_type &result_data_type_utf8() const override {
    return m_result_data_type_utf8;
  }
 
  void set_result_data_type_utf8(
      const String_type &result_data_type_utf8) override {
    m_result_data_type_utf8 = result_data_type_utf8;
  }
 
  /////////////////////////////////////////////////////////////////////////
  // result_is_zerofill.
  /////////////////////////////////////////////////////////////////////////
 
  bool result_is_zerofill() const override { return m_result_is_zerofill; }
 
  void set_result_zerofill(bool zerofill) override {
    m_result_is_zerofill = zerofill;
  }
 
  /////////////////////////////////////////////////////////////////////////
  // result_is_unsigned.
  /////////////////////////////////////////////////////////////////////////
 
  bool result_is_unsigned() const override { return m_result_is_unsigned; }
 
  void set_result_unsigned(bool unsigned_flag) override {
    m_result_is_unsigned = unsigned_flag;
  }
 
  /////////////////////////////////////////////////////////////////////////
  // result_char_length.
  /////////////////////////////////////////////////////////////////////////
 
  size_t result_char_length() const override { return m_result_char_length; }
 
  void set_result_char_length(size_t char_length) override {
    m_result_char_length = char_length;
  }
 
  /////////////////////////////////////////////////////////////////////////
  // result_numeric_precision.
  /////////////////////////////////////////////////////////////////////////
 
  uint result_numeric_precision() const override {
    return m_result_numeric_precision;
  }
 
  void set_result_numeric_precision(uint result_numeric_precision) override {
    m_result_numeric_precision_null = false;
    m_result_numeric_precision = result_numeric_precision;
  }
 
  virtual void set_result_numeric_precision_null(bool is_null) {
    m_result_numeric_precision_null = is_null;
  }
 
  virtual bool is_result_numeric_precision_null() const {
    return m_result_numeric_precision_null;
  }
 
  /////////////////////////////////////////////////////////////////////////
  // result_numeric_scale.
  /////////////////////////////////////////////////////////////////////////
 
  uint result_numeric_scale() const override { return m_result_numeric_scale; }
 
  void set_result_numeric_scale(uint result_numeric_scale) override {
    m_result_numeric_scale_null = false;
    m_result_numeric_scale = result_numeric_scale;
  }
 
  void set_result_numeric_scale_null(bool is_null) override {
    m_result_numeric_scale_null = is_null;
  }
 
  bool is_result_numeric_scale_null() const override {
    return m_result_numeric_scale_null;
  }
 
  /////////////////////////////////////////////////////////////////////////
  // result_datetime_precision.
  /////////////////////////////////////////////////////////////////////////
 
  uint result_datetime_precision() const override {
    return m_result_datetime_precision;
  }
 
  void set_result_datetime_precision(uint result_datetime_precision) override {
    m_result_datetime_precision_null = false;
    m_result_datetime_precision = result_datetime_precision;
  }
 
  virtual void set_result_datetime_precision_null(bool is_null) {
    m_result_datetime_precision_null = is_null;
  }
 
  virtual bool is_result_datetime_precision_null() const {
    return m_result_datetime_precision_null;
  }
 
  /////////////////////////////////////////////////////////////////////////
  // result_collation.
  /////////////////////////////////////////////////////////////////////////
 
  Object_id result_collation_id() const override {
    return m_result_collation_id;
  }
 
  void set_result_collation_id(Object_id result_collation_id) override {
    m_result_collation_id = result_collation_id;
  }
 
  // Fix "inherits ... via dominance" warnings
  Entity_object_impl *impl() override { return Entity_object_impl::impl(); }
  const Entity_object_impl *impl() const override {
    return Entity_object_impl::impl();
  }
  Object_id id() const override { return Entity_object_impl::id(); }
  bool is_persistent() const override {
    return Entity_object_impl::is_persistent();
  }
  const String_type &name() const override {
    return Entity_object_impl::name();
  }
  void set_name(const String_type &name) override {
    Entity_object_impl::set_name(name);
  }
  const Object_table &object_table() const override {
    return Routine_impl::object_table();
  }
  Object_id schema_id() const override { return Routine_impl::schema_id(); }
  void set_schema_id(Object_id schema_id) override {
    Routine_impl::set_schema_id(schema_id);
  }
  enum_routine_type type() const override { return Routine_impl::type(); }
  const String_type &definition() const override {
    return Routine_impl::definition();
  }
  void set_definition(const String_type &definition) override {
    Routine_impl::set_definition(definition);
  }
  const String_type &definition_utf8() const override {
    return Routine_impl::definition_utf8();
  }
  void set_definition_utf8(const String_type &definition_utf8) override {
    Routine_impl::set_definition_utf8(definition_utf8);
  }
  const String_type &parameter_str() const override {
    return Routine_impl::parameter_str();
  }
  void set_parameter_str(const String_type &parameter_str) override {
    Routine_impl::set_parameter_str(parameter_str);
  }
  bool is_deterministic() const override {
    return Routine_impl::is_deterministic();
  }
  void set_deterministic(bool deterministic) override {
    Routine_impl::set_deterministic(deterministic);
  }
  enum_sql_data_access sql_data_access() const override {
    return Routine_impl::sql_data_access();
  }
  void set_sql_data_access(enum_sql_data_access sda) override {
    Routine_impl::set_sql_data_access(sda);
  }
  View::enum_security_type security_type() const override {
    return Routine_impl::security_type();
  }
  void set_security_type(View::enum_security_type security_type) override {
    Routine_impl::set_security_type(security_type);
  }
  ulonglong sql_mode() const override { return Routine_impl::sql_mode(); }
  void set_sql_mode(ulonglong sm) override { Routine_impl::set_sql_mode(sm); }
  const String_type &definer_user() const override {
    return Routine_impl::definer_user();
  }
  const String_type &definer_host() const override {
    return Routine_impl::definer_host();
  }
  void set_definer(const String_type &username,
                   const String_type &hostname) override {
    Routine_impl::set_definer(username, hostname);
  }
  Object_id client_collation_id() const override {
    return Routine_impl::client_collation_id();
  }
  void set_client_collation_id(Object_id client_collation_id) override {
    Routine_impl::set_client_collation_id(client_collation_id);
  }
  Object_id connection_collation_id() const override {
    return Routine_impl::connection_collation_id();
  }
  void set_connection_collation_id(Object_id connection_collation_id) override {
    Routine_impl::set_connection_collation_id(connection_collation_id);
  }
  Object_id schema_collation_id() const override {
    return Routine_impl::schema_collation_id();
  }
  void set_schema_collation_id(Object_id schema_collation_id) override {
    Routine_impl::set_schema_collation_id(schema_collation_id);
  }
  ulonglong created(bool convert_time) const override {
    return Routine_impl::created(convert_time);
  }
  void set_created(ulonglong created) override {
    Routine_impl::set_created(created);
  }
  ulonglong last_altered(bool convert_time) const override {
    return Routine_impl::last_altered(convert_time);
  }
  void set_last_altered(ulonglong last_altered) override {
    Routine_impl::set_last_altered(last_altered);
  }
  const String_type &comment() const override {
    return Routine_impl::comment();
  }
  void set_comment(const String_type &comment) override {
    Routine_impl::set_comment(comment);
  }
  Parameter *add_parameter() override { return Routine_impl::add_parameter(); }
  const Parameter_collection &parameters() const override {
    return Routine_impl::parameters();
  }
  bool update_name_key(Name_key *key) const override {
    return Function::update_name_key(key);
  }
 
 private:
  enum_column_types m_result_data_type;
  String_type m_result_data_type_utf8;
 
  bool m_result_data_type_null;
  bool m_result_is_zerofill;
  bool m_result_is_unsigned;
 
  bool m_result_numeric_precision_null;
  bool m_result_numeric_scale_null;
  bool m_result_datetime_precision_null;
 
  uint m_result_numeric_precision;
  uint m_result_numeric_scale;
  uint m_result_datetime_precision;
 
  size_t m_result_char_length;
 
  Object_id m_result_collation_id;
 
  Function_impl(const Function_impl &src);
  Function_impl *clone() const override { return new Function_impl(*this); }
 
  // N.B.: returning dd::Function from this function confuses MSVC compiler
  // thanks to diamond inheritance.
  Function_impl *clone_dropped_object_placeholder() const override {
    Function_impl *placeholder = new Function_impl();
    placeholder->set_id(id());
    placeholder->set_schema_id(schema_id());
    placeholder->set_name(name());
    return placeholder;
  }
};
 
///////////////////////////////////////////////////////////////////////////
 
}  // namespace dd
 
#endif  // DD__FUNCTION_IMPL_INCLUDED