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tables.cc
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/* Copyright (c) 2014, 2018, 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.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
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/tables.h"
#include <new>
#include <string>
#include "mysql_com.h"
#include "sql/dd/dd.h" // dd::create_object
#include "sql/dd/impl/raw/object_keys.h" // dd::Item_name_key
#include "sql/dd/impl/raw/raw_record.h" // dd::Raw_record
#include "sql/dd/impl/tables/dd_properties.h" // TARGET_DD_VERSION
#include "sql/dd/impl/types/object_table_definition_impl.h"
#include "sql/dd/types/abstract_table.h"
#include "sql/dd/types/table.h"
#include "sql/dd/types/view.h" // dd::View
#include "sql/mysqld.h"
#include "sql/stateless_allocator.h"
namespace dd {
namespace tables {
const Tables &Tables::instance() {
static Tables *s_instance = new Tables();
return *s_instance;
}
///////////////////////////////////////////////////////////////////////////
Tables::Tables() {
m_target_def.set_table_name("tables");
m_target_def.add_field(FIELD_ID, "FIELD_ID",
"id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT");
m_target_def.add_field(FIELD_SCHEMA_ID, "FIELD_SCHEMA_ID",
"schema_id BIGINT UNSIGNED NOT NULL");
m_target_def.add_field(
FIELD_NAME, "FIELD_NAME",
"name VARCHAR(64) NOT NULL COLLATE " +
String_type(Object_table_definition_impl::fs_name_collation()->name));
m_target_def.add_field(FIELD_TYPE, "FIELD_TYPE",
"type ENUM('BASE TABLE', 'VIEW', 'SYSTEM VIEW')"
"NOT NULL");
m_target_def.add_field(FIELD_ENGINE, "FIELD_ENGINE",
"engine VARCHAR(64) NOT NULL "
"COLLATE utf8_general_ci");
m_target_def.add_field(FIELD_MYSQL_VERSION_ID, "FIELD_MYSQL_VERSION_ID",
"mysql_version_id INT UNSIGNED NOT NULL");
m_target_def.add_field(FIELD_ROW_FORMAT, "FIELD_ROW_FORMAT",
"row_format ENUM('Fixed', 'Dynamic', 'Compressed',"
" 'Redundant','Compact','Paged')");
m_target_def.add_field(FIELD_COLLATION_ID, "FIELD_COLLATION_ID",
"collation_id BIGINT UNSIGNED");
m_target_def.add_field(FIELD_COMMENT, "FIELD_COMMENT",
"comment VARCHAR(2048) NOT NULL");
m_target_def.add_field(
FIELD_HIDDEN, "FIELD_HIDDEN",
"hidden ENUM('Visible', 'System', 'SE', 'DDL') NOT NULL");
m_target_def.add_field(FIELD_OPTIONS, "FIELD_OPTIONS", "options MEDIUMBLOB");
m_target_def.add_field(FIELD_SE_PRIVATE_DATA, "FIELD_SE_PRIVATE_DATA",
"se_private_data MEDIUMTEXT");
m_target_def.add_field(FIELD_SE_PRIVATE_ID, "FIELD_SE_PRIVATE_ID",
"se_private_id BIGINT UNSIGNED");
m_target_def.add_field(FIELD_TABLESPACE_ID, "FIELD_TABLESPACE_ID",
"tablespace_id BIGINT UNSIGNED");
m_target_def.add_field(FIELD_PARTITION_TYPE, "FIELD_PARTITION_TYPE",
"partition_type ENUM(\n"
" 'HASH','KEY_51','KEY_55',\n"
" 'LINEAR_HASH','LINEAR_KEY_51',\n"
" 'LINEAR_KEY_55','RANGE','LIST',\n"
" 'RANGE_COLUMNS','LIST_COLUMNS',\n"
" 'AUTO'"
")");
m_target_def.add_field(FIELD_PARTITION_EXPRESSION,
"FIELD_PARTITION_EXPRESSION",
"partition_expression VARCHAR(2048)");
m_target_def.add_field(FIELD_PARTITION_EXPRESSION_UTF8,
"FIELD_PARTITION_EXPRESSION_UTF8",
"partition_expression_utf8 VARCHAR(2048)");
m_target_def.add_field(FIELD_DEFAULT_PARTITIONING,
"FIELD_DEFAULT_PARTITIONING",
"default_partitioning ENUM('NO', 'YES', 'NUMBER')");
m_target_def.add_field(FIELD_SUBPARTITION_TYPE, "FIELD_SUBPARTITION_TYPE",
"subpartition_type ENUM(\n"
" 'HASH','KEY_51','KEY_55',\n"
" 'LINEAR_HASH',\n"
" 'LINEAR_KEY_51',\n"
" 'LINEAR_KEY_55'\n"
")");
m_target_def.add_field(FIELD_SUBPARTITION_EXPRESSION,
"FIELD_SUBPARTITION_EXPRESSION",
"subpartition_expression VARCHAR(2048)");
m_target_def.add_field(FIELD_SUBPARTITION_EXPRESSION_UTF8,
"FIELD_SUBPARTITION_EXPRESSION_UTF8",
"subpartition_expression_utf8 VARCHAR(2048)");
m_target_def.add_field(FIELD_DEFAULT_SUBPARTITIONING,
"FIELD_DEFAULT_SUBPARTITIONING",
"default_subpartitioning ENUM('NO', 'YES', "
"'NUMBER')");
m_target_def.add_field(FIELD_CREATED, "FIELD_CREATED",
"created TIMESTAMP NOT NULL\n"
" DEFAULT CURRENT_TIMESTAMP\n"
" ON UPDATE CURRENT_TIMESTAMP");
m_target_def.add_field(FIELD_LAST_ALTERED, "FIELD_LAST_ALTERED",
"last_altered TIMESTAMP NOT NULL DEFAULT NOW()");
m_target_def.add_field(FIELD_VIEW_DEFINITION, "FIELD_VIEW_DEFINITION",
"view_definition LONGBLOB");
m_target_def.add_field(FIELD_VIEW_DEFINITION_UTF8,
"FIELD_VIEW_DEFINITION_UTF8",
"view_definition_utf8 LONGTEXT");
m_target_def.add_field(FIELD_VIEW_CHECK_OPTION, "FIELD_VIEW_CHECK_OPTION",
"view_check_option ENUM('NONE', 'LOCAL', "
"'CASCADED')");
m_target_def.add_field(FIELD_VIEW_IS_UPDATABLE, "FIELD_VIEW_IS_UPDATABLE",
"view_is_updatable ENUM('NO', 'YES')");
m_target_def.add_field(FIELD_VIEW_ALGORITHM, "FIELD_VIEW_ALGORITHM",
"view_algorithm ENUM('UNDEFINED', 'TEMPTABLE', "
"'MERGE')");
m_target_def.add_field(FIELD_VIEW_SECURITY_TYPE, "FIELD_VIEW_SECURITY_TYPE",
"view_security_type ENUM('DEFAULT', 'INVOKER', "
"'DEFINER')");
m_target_def.add_field(FIELD_VIEW_DEFINER, "FIELD_VIEW_DEFINER",
"view_definer VARCHAR(93)");
m_target_def.add_field(FIELD_VIEW_CLIENT_COLLATION_ID,
"FIELD_VIEW_CLIENT_COLLATION_ID",
"view_client_collation_id BIGINT UNSIGNED");
m_target_def.add_field(FIELD_VIEW_CONNECTION_COLLATION_ID,
"FIELD_VIEW_CONNECTION_COLLATION_ID",
"view_connection_collation_id BIGINT UNSIGNED");
m_target_def.add_field(FIELD_VIEW_COLUMN_NAMES, "FIELD_VIEW_COLUMN_NAMES",
"view_column_names LONGTEXT");
m_target_def.add_index(INDEX_PK_ID, "INDEX_PK_ID", "PRIMARY KEY (id)");
m_target_def.add_index(INDEX_UK_SCHEMA_ID_NAME, "INDEX_UK_SCHEMA_ID_NAME",
"UNIQUE KEY (schema_id, name)");
m_target_def.add_index(INDEX_UK_ENGINE_SE_PRIVATE_ID,
"INDEX_UK_ENGINE_SE_PRIVATE_ID",
"UNIQUE KEY (engine, se_private_id)");
m_target_def.add_index(INDEX_K_ENGINE, "INDEX_K_ENGINE", "KEY(engine)");
m_target_def.add_index(INDEX_K_COLLATION_ID, "INDEX_K_COLLATION_ID",
"KEY(collation_id)");
m_target_def.add_index(INDEX_K_TABLESPACE_ID, "INDEX_K_TABLESPACE_ID",
"KEY(tablespace_id)");
m_target_def.add_foreign_key(FK_SCHEMA_ID, "FK_SCHEMA_ID",
"FOREIGN KEY (schema_id) "
"REFERENCES schemata(id)");
m_target_def.add_foreign_key(FK_COLLATION_ID, "FK_COLLATION_ID",
"FOREIGN KEY (collation_id) "
"REFERENCES collations(id)");
m_target_def.add_foreign_key(FK_TABLESPACE_ID, "FK_TABLESPACE_ID",
"FOREIGN KEY (tablespace_id) "
"REFERENCES tablespaces(id)");
}
///////////////////////////////////////////////////////////////////////////
Abstract_table *Tables::create_entity_object(const Raw_record &r) const {
enum_table_type table_type =
static_cast<enum_table_type>(r.read_int(FIELD_TYPE));
if (table_type == enum_table_type::BASE_TABLE)
return dd::create_object<Table>();
else
return dd::create_object<View>();
}
///////////////////////////////////////////////////////////////////////////
bool Tables::update_object_key(Item_name_key *key, Object_id schema_id,
const String_type &table_name) {
char buf[NAME_LEN + 1];
key->update(FIELD_SCHEMA_ID, schema_id, FIELD_NAME,
Object_table_definition_impl::fs_name_case(table_name, buf));
return false;
}
///////////////////////////////////////////////////////////////////////////
bool Tables::update_aux_key(Se_private_id_key *key, const String_type &engine,
ulonglong se_private_id) {
key->update(INDEX_UK_ENGINE_SE_PRIVATE_ID, FIELD_ENGINE, engine,
FIELD_SE_PRIVATE_ID, se_private_id);
return false;
}
///////////////////////////////////////////////////////////////////////////
/* purecov: begin deadcode */
Object_key *Tables::create_se_private_key(const String_type &engine,
Object_id se_private_id) {
return new (std::nothrow)
Se_private_id_key(INDEX_UK_ENGINE_SE_PRIVATE_ID, FIELD_ENGINE, engine,
FIELD_SE_PRIVATE_ID, se_private_id);
}
/* purecov: end */
///////////////////////////////////////////////////////////////////////////
Object_key *Tables::create_key_by_schema_id(Object_id schema_id) {
return new (std::nothrow)
Parent_id_range_key(INDEX_UK_SCHEMA_ID_NAME, FIELD_SCHEMA_ID, schema_id);
}
///////////////////////////////////////////////////////////////////////////
Object_key *Tables::create_key_by_tablespace_id(Object_id tablespace_id) {
return new (std::nothrow) Parent_id_range_key(
INDEX_K_TABLESPACE_ID, FIELD_TABLESPACE_ID, tablespace_id);
}
///////////////////////////////////////////////////////////////////////////
Object_id Tables::read_se_private_id(const Raw_record &r) {
return r.read_uint(Tables::FIELD_SE_PRIVATE_ID, -1);
}
} // namespace tables
} // namespace dd