partition_index_impl.h

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/* Copyright (c) 2014, 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.
 
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   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
   GNU General Public License, version 2.0, for more details.
 
   You should have received a copy of the GNU General Public License
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef DD__PARTITION_INDEX_IMPL_INCLUDED
#define DD__PARTITION_INDEX_IMPL_INCLUDED
 
#include <stddef.h>
#include <sys/types.h>
#include <memory>
#include <new>
 
#include "sql/dd/impl/properties_impl.h"
#include "sql/dd/impl/types/weak_object_impl.h"  // dd::Weak_object_impl
#include "sql/dd/object_id.h"
#include "sql/dd/sdi_fwd.h"
#include "sql/dd/string_type.h"
#include "sql/dd/types/index.h"
#include "sql/dd/types/partition_index.h"  // dd::Partition_index
 
namespace dd {
 
///////////////////////////////////////////////////////////////////////////
 
class Index;
class Object_key;
class Object_table;
class Open_dictionary_tables_ctx;
class Partition;
class Partition_impl;
class Raw_record;
class Sdi_rcontext;
class Sdi_wcontext;
class Weak_object;
 
///////////////////////////////////////////////////////////////////////////
 
class Partition_index_impl : public Weak_object_impl, public Partition_index {
 public:
  Partition_index_impl();
 
  Partition_index_impl(Partition_impl *partition, Index *index);
 
  Partition_index_impl(const Partition_index_impl &src, Partition_impl *parent,
                       Index *index);
 
  ~Partition_index_impl() override = default;
 
 public:
  const Object_table &object_table() const override;
 
  bool validate() const override;
 
  bool restore_attributes(const Raw_record &r) override;
 
  bool store_attributes(Raw_record *r) override;
 
  void serialize(Sdi_wcontext *wctx, Sdi_writer *w) const override;
 
  bool deserialize(Sdi_rcontext *rctx, const RJ_Value &val) override;
 
  void debug_print(String_type &outb) const override;
 
  void set_ordinal_position(uint) {}
 
  virtual uint ordinal_position() const { return -1; }
 
 public:
  static void register_tables(Open_dictionary_tables_ctx *otx);
 
  /////////////////////////////////////////////////////////////////////////
  // Partition.
  /////////////////////////////////////////////////////////////////////////
 
  const Partition &partition() const override;
 
  Partition &partition() override;
 
  Partition_impl &partition_impl() { return *m_partition; }
 
  /////////////////////////////////////////////////////////////////////////
  // Index.
  /////////////////////////////////////////////////////////////////////////
 
  const Index &index() const override;
 
  Index &index() override;
 
  /////////////////////////////////////////////////////////////////////////
  // Options.
  /////////////////////////////////////////////////////////////////////////
 
  const Properties &options() const override { return m_options; }
 
  Properties &options() override { return m_options; }
 
  bool set_options(const Properties &options) override {
    return m_options.insert_values(options);
  }
 
  bool set_options(const String_type &options_raw) override {
    return m_options.insert_values(options_raw);
  }
 
  /////////////////////////////////////////////////////////////////////////
  // se_private_data.
  /////////////////////////////////////////////////////////////////////////
 
  const Properties &se_private_data() const override {
    return m_se_private_data;
  }
 
  Properties &se_private_data() override { return m_se_private_data; }
 
  bool set_se_private_data(const String_type &se_private_data_raw) override {
    return m_se_private_data.insert_values(se_private_data_raw);
  }
 
  bool set_se_private_data(const Properties &se_private_data) override {
    return m_se_private_data.insert_values(se_private_data);
  }
 
  /////////////////////////////////////////////////////////////////////////
  // Tablespace.
  /////////////////////////////////////////////////////////////////////////
 
  Object_id tablespace_id() const override { return m_tablespace_id; }
 
  void set_tablespace_id(Object_id tablespace_id) override {
    m_tablespace_id = tablespace_id;
  }
 
 public:
  static Partition_index_impl *restore_item(Partition_impl *partition) {
    return new (std::nothrow) Partition_index_impl(partition, nullptr);
  }
 
  static Partition_index_impl *clone(const Partition_index_impl &other,
                                     Partition_impl *partition);
 
 public:
  Object_key *create_primary_key() const override;
  bool has_new_primary_key() const override;
 
 private:
  // Fields.
 
  Properties_impl m_options;
  Properties_impl m_se_private_data;
 
  // References to tightly-coupled objects.
 
  Partition_impl *m_partition;
  Index *m_index;
 
  // References to loosely-coupled objects.
 
  Object_id m_tablespace_id;
};
 
///////////////////////////////////////////////////////////////////////////
 
/**
  Used to sort Partition_index objects for the same partition in
  the same order as Index objects for the table.
*/
 
struct Partition_index_order_comparator {
  bool operator()(const dd::Partition_index *pi1,
                  const dd::Partition_index *pi2) const {
    return pi1->index().ordinal_position() < pi2->index().ordinal_position();
  }
};
 
///////////////////////////////////////////////////////////////////////////
 
}  // namespace dd
 
#endif  // DD__PARTITION_INDEX_IMPL_INCLUDED