schemata.cc

/* Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.

   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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   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
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   permission to link the program and your derivative works with the
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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
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

#include "sql/dd/impl/tables/schemata.h"

#include <new>
#include <string>

#include "mysql_com.h"
#include "sql/dd/impl/raw/object_keys.h"  // Parent_id_range_key
#include "sql/dd/impl/raw/raw_record.h"
#include "sql/dd/impl/tables/dd_properties.h"  // TARGET_DD_VERSION
#include "sql/dd/impl/types/object_table_definition_impl.h"
#include "sql/dd/impl/types/schema_impl.h"  // dd::Schema_impl
#include "sql/dd/string_type.h"             // dd::String_type
#include "sql/mysqld.h"
#include "sql/stateless_allocator.h"

namespace dd {
namespace tables {

const Schemata &Schemata::instance() {
  static Schemata *s_instance = new Schemata();
  return *s_instance;
}

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

const CHARSET_INFO *Schemata::name_collation() {
  return Object_table_definition_impl::fs_name_collation();
}

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

Schemata::Schemata() {
  m_target_def.set_table_name("schemata");

  m_target_def.add_field(FIELD_ID, "FIELD_ID",
                         "id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT");
  m_target_def.add_field(FIELD_CATALOG_ID, "FIELD_CATALOG_ID",
                         "catalog_id BIGINT UNSIGNED NOT NULL");
  m_target_def.add_field(FIELD_NAME, "FIELD_NAME",
                         "name VARCHAR(64) NOT NULL COLLATE " +
                             String_type(name_collation()->name));
  m_target_def.add_field(FIELD_DEFAULT_COLLATION_ID,
                         "FIELD_DEFAULT_COLLATION_ID",
                         "default_collation_id BIGINT UNSIGNED NOT NULL");
  m_target_def.add_field(FIELD_CREATED, "FIELD_CREATED",
                         "created TIMESTAMP NOT NULL");
  m_target_def.add_field(FIELD_LAST_ALTERED, "FIELD_LAST_ALTERED",
                         "last_altered TIMESTAMP NOT NULL");
  m_target_def.add_field(FIELD_OPTIONS, "FIELD_OPTIONS", "options MEDIUMTEXT");
  m_target_def.add_field(FIELD_DEFAULT_ENCRYPTION, "FIELD_DEFAULT_ENCRYPTION",
                         "default_encryption ENUM('NO', 'YES') NOT NULL");
  m_target_def.add_field(FIELD_SE_PRIVATE_DATA, "FIELD_SE_PRIVATE_DATA",
                         "se_private_data MEDIUMTEXT");

  m_target_def.add_index(INDEX_PK_ID, "INDEX_PK_ID", "PRIMARY KEY (id)");
  m_target_def.add_index(INDEX_UK_CATALOG_ID_NAME, "INDEX_UK_CATALOG_ID_NAME",
                         "UNIQUE KEY (catalog_id, name)");
  m_target_def.add_index(INDEX_K_DEFAULT_COLLATION_ID,
                         "INDEX_K_DEFAULT_COLLATION_ID",
                         "KEY (default_collation_id)");

  m_target_def.add_foreign_key(FK_CATALOG_ID, "FK_CATALOG_ID",
                               "FOREIGN KEY (catalog_id) REFERENCES \
                                catalogs(id)");
  m_target_def.add_foreign_key(FK_DEFAULT_COLLATION_ID,
                               "FK_DEFAULT_COLLATION_ID",
                               "FOREIGN KEY (default_collation_id) \
                                REFERENCES collations(id)");

  m_target_def.add_populate_statement(
      "INSERT INTO schemata (catalog_id, name, default_collation_id, created, "
      "last_altered, options, default_encryption, se_private_data) VALUES "
      "(1,'information_schema',33, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP, "
      "NULL, 'NO', NULL)");
}

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

bool Schemata::update_object_key(Item_name_key *key, Object_id catalog_id,
                                 const String_type &schema_name) {
  key->update(FIELD_CATALOG_ID, catalog_id, FIELD_NAME, schema_name,
              name_collation());
  return false;
}

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

Schema *Schemata::create_entity_object(const Raw_record &) const {
  return new (std::nothrow) Schema_impl();
}

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

/* purecov: begin deadcode */
Object_key *Schemata::create_key_by_catalog_id(Object_id catalog_id) {
  return new (std::nothrow) Parent_id_range_key(INDEX_UK_CATALOG_ID_NAME,
                                                FIELD_CATALOG_ID, catalog_id);
}
/* purecov: end */

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

}  // namespace tables
}  // namespace dd