events.h

/* 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.

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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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   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__EVENTS_INCLUDED
#define DD_TABLES__EVENTS_INCLUDED

#include <string>

#include "sql/dd/impl/raw/raw_record.h"
#include "sql/dd/impl/types/entity_object_table_impl.h"
#include "sql/dd/object_id.h"
#include "sql/dd/string_type.h"
#include "sql/dd/types/event.h"

struct CHARSET_INFO;

namespace dd {

class Item_name_key;
class Object_key;

namespace tables {

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

class Events : public Entity_object_table_impl {
 public:
  static const Events &instance();

  static const CHARSET_INFO *name_collation();

  enum enum_fields {
    FIELD_ID = static_cast<uint>(Common_field::ID),
    FIELD_SCHEMA_ID,
    FIELD_NAME,
    FIELD_DEFINER,
    FIELD_TIME_ZONE,
    FIELD_DEFINITION,
    FIELD_DEFINITION_UTF8,
    FIELD_EXECUTE_AT,
    FIELD_INTERVAL_VALUE,
    FIELD_INTERVAL_FIELD,
    FIELD_SQL_MODE,
    FIELD_STARTS,
    FIELD_ENDS,
    FIELD_STATUS,
    FIELD_ON_COMPLETION,
    FIELD_CREATED,
    FIELD_LAST_ALTERED,
    FIELD_LAST_EXECUTED,
    FIELD_COMMENT,
    FIELD_ORIGINATOR,
    FIELD_CLIENT_COLLATION_ID,
    FIELD_CONNECTION_COLLATION_ID,
    FIELD_SCHEMA_COLLATION_ID,
    FIELD_OPTIONS,
    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_K_CLIENT_COLLATION_ID,
    INDEX_K_CONNECTION_COLLATION_ID,
    INDEX_K_SCHEMA_COLLATION_ID,
    INDEX_K_DEFINER
  };

  enum enum_foreign_keys {
    FK_SCHEMA_ID,
    FK_CLIENT_COLLATION_ID,
    FK_CONNECTION_COLLATION_ID,
    FK_SCHEMA_COLLATION_ID
  };

  Events();

  Event *create_entity_object(const Raw_record &) const override;

  static bool update_object_key(Item_name_key *key, Object_id schema_id,
                                const String_type &event_name);

  static Object_key *create_key_by_schema_id(Object_id schema_id);

  /**
    Create a key to find all events 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);
};

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

}  // namespace tables
}  // namespace dd

#endif  // DD_TABLES__EVENTS_INCLUDED