tables.h

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/* Copyright (c) 2014, 2025, Oracle and/or its affiliates.
 
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   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
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   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_TABLES__TABLES_INCLUDED
#define DD_TABLES__TABLES_INCLUDED
 
#include <string>
 
#include "my_inttypes.h"
#include "sql/dd/impl/raw/raw_record.h"
#include "sql/dd/impl/types/entity_object_table_impl.h"
#include "sql/dd/object_id.h"  // dd::Object_id
#include "sql/dd/string_type.h"
#include "sql/dd/types/abstract_table.h"
 
struct CHARSET_INFO;
 
namespace dd {
 
class Item_name_key;
class Object_key;
class Open_dictionary_tables_ctx;
class Se_private_id_key;
 
namespace tables {
 
///////////////////////////////////////////////////////////////////////////
 
class Tables : public Entity_object_table_impl {
 public:
  static const Tables &instance();
 
  static const CHARSET_INFO *name_collation();
 
  enum enum_fields {
    FIELD_ID,
    FIELD_SCHEMA_ID,
    FIELD_NAME,
    FIELD_TYPE,
    FIELD_ENGINE,
    FIELD_MYSQL_VERSION_ID,
    FIELD_ROW_FORMAT,
    FIELD_COLLATION_ID,
    FIELD_COMMENT,
    FIELD_HIDDEN,
    FIELD_OPTIONS,
    FIELD_SE_PRIVATE_DATA,
    FIELD_SE_PRIVATE_ID,
    FIELD_TABLESPACE_ID,
    FIELD_PARTITION_TYPE,
    FIELD_PARTITION_EXPRESSION,
    FIELD_PARTITION_EXPRESSION_UTF8,
    FIELD_DEFAULT_PARTITIONING,
    FIELD_SUBPARTITION_TYPE,
    FIELD_SUBPARTITION_EXPRESSION,
    FIELD_SUBPARTITION_EXPRESSION_UTF8,
    FIELD_DEFAULT_SUBPARTITIONING,
    FIELD_CREATED,
    FIELD_LAST_ALTERED,
    FIELD_VIEW_DEFINITION,
    FIELD_VIEW_DEFINITION_UTF8,
    FIELD_VIEW_CHECK_OPTION,
    FIELD_VIEW_IS_UPDATABLE,
    FIELD_VIEW_ALGORITHM,
    FIELD_VIEW_SECURITY_TYPE,
    FIELD_VIEW_DEFINER,
    FIELD_VIEW_CLIENT_COLLATION_ID,
    FIELD_VIEW_CONNECTION_COLLATION_ID,
    FIELD_VIEW_COLUMN_NAMES,
    FIELD_LAST_CHECKED_FOR_UPGRADE_VERSION_ID,
    FIELD_ENGINE_ATTRIBUTE,
    FIELD_SECONDARY_ENGINE_ATTRIBUTE,
    NUMBER_OF_FIELDS  // Always keep this entry at the end of the enum
  };
 
  enum enum_indexes {
    INDEX_PK_ID = static_cast<uint>(Common_index::PK_ID),
    INDEX_UK_SCHEMA_ID_NAME = static_cast<uint>(Common_index::UK_NAME),
    INDEX_UK_ENGINE_SE_PRIVATE_ID,
    INDEX_K_ENGINE,
    INDEX_K_COLLATION_ID,
    INDEX_K_TABLESPACE_ID,
    INDEX_K_TYPE,
    INDEX_K_VIEW_CLIENT_COLLATION_ID,
    INDEX_K_VIEW_CONNECTION_COLLATION_ID,
    INDEX_K_TYPE_VIEW_DEFINER
  };
 
  enum enum_foreign_keys {
    FK_SCHEMA_ID,
    FK_COLLATION_ID,
    FK_TABLESPACE_ID,
    FK_VIEW_CLIENT_COLLATION_ID,
    FK_VIEW_CONNECTION_COLLATION_ID
  };
 
  Tables();
 
  Abstract_table *create_entity_object(const Raw_record &r) const override;
 
  static bool update_object_key(Item_name_key *key, Object_id schema_id,
                                const String_type &table_name);
 
  static bool update_aux_key(Se_private_id_key *key, const String_type &engine,
                             ulonglong se_private_id);
 
  static Object_key *create_se_private_key(const String_type &engine,
                                           Object_id se_private_id);
 
  static Object_key *create_key_by_schema_id(Object_id schema_id);
 
  static Object_key *create_key_by_tablespace_id(Object_id tablespace_id);
 
  /**
    Create a key to find all views for a given definer.
 
    @param definer   Name of the definer.
 
    @returns Pointer to Object_key.
  */
  static Object_key *create_key_by_definer(const String_type &definer);
 
  static ulonglong read_se_private_id(const Raw_record &r);
};
 
///////////////////////////////////////////////////////////////////////////
 
}  // namespace tables
}  // namespace dd
 
#endif  // DD_TABLES__TABLES_INCLUDED