181 lines
7.6 KiB
C++
181 lines
7.6 KiB
C++
/* Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include "sql/dd/impl/tables/table_partitions.h"
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#include <memory>
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#include <new>
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#include "my_dbug.h"
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#include "sql/dd/impl/object_key.h"
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#include "sql/dd/impl/raw/object_keys.h" // dd::Parent_id_range_key
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#include "sql/dd/impl/raw/raw_record.h" // dd::Raw_record
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#include "sql/dd/impl/raw/raw_table.h" // dd::Raw_table
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#include "sql/dd/impl/tables/dd_properties.h" // TARGET_DD_VERSION
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#include "sql/dd/impl/transaction_impl.h" // dd::Transaction_ro
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#include "sql/dd/impl/types/object_table_definition_impl.h"
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#include "sql/dd/types/table.h"
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#include "sql/handler.h"
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namespace dd {
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namespace tables {
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const Table_partitions &Table_partitions::instance() {
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static Table_partitions *s_instance = new Table_partitions();
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return *s_instance;
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}
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///////////////////////////////////////////////////////////////////////////
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const CHARSET_INFO *Table_partitions::name_collation() {
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return &my_charset_utf8_tolower_ci;
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}
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///////////////////////////////////////////////////////////////////////////
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Table_partitions::Table_partitions() {
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m_target_def.set_table_name("table_partitions");
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m_target_def.add_field(FIELD_ID, "FIELD_ID",
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"id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT");
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m_target_def.add_field(FIELD_TABLE_ID, "FIELD_TABLE_ID",
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"table_id BIGINT UNSIGNED NOT NULL");
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m_target_def.add_field(FIELD_PARENT_PARTITION_ID, "FIELD_PARENT_PARTITION_ID",
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"parent_partition_id BIGINT UNSIGNED");
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m_target_def.add_field(FIELD_NUMBER, "FIELD_NUMBER",
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"number SMALLINT UNSIGNED NOT NULL");
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m_target_def.add_field(FIELD_NAME, "FIELD_NAME",
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"name VARCHAR(64) NOT NULL COLLATE " +
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String_type(name_collation()->name));
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m_target_def.add_field(FIELD_ENGINE, "FIELD_ENGINE",
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"engine VARCHAR(64) NOT NULL COLLATE utf8_general_ci");
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m_target_def.add_field(FIELD_DESCRIPTION_UTF8, "FIELD_DESCRIPTION_UTF8",
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"description_utf8 TEXT");
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m_target_def.add_field(FIELD_COMMENT, "FIELD_COMMENT",
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"comment VARCHAR(2048) NOT NULL");
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m_target_def.add_field(FIELD_OPTIONS, "FIELD_OPTIONS", "options MEDIUMTEXT");
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m_target_def.add_field(FIELD_SE_PRIVATE_DATA, "FIELD_SE_PRIVATE_DATA",
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"se_private_data MEDIUMTEXT");
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m_target_def.add_field(FIELD_SE_PRIVATE_ID, "FIELD_SE_PRIVATE_ID",
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"se_private_id BIGINT UNSIGNED");
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m_target_def.add_field(FIELD_TABLESPACE_ID, "FIELD_TABLESPACE_ID",
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"tablespace_id BIGINT UNSIGNED");
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m_target_def.add_index(INDEX_PK_ID, "INDEX_PK_ID", "PRIMARY KEY(id)");
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m_target_def.add_index(INDEX_UK_TABLE_ID_NAME, "INDEX_UK_TABLE_ID_NAME",
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"UNIQUE KEY(table_id, name)");
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m_target_def.add_index(INDEX_UK_TABLE_ID_PARENT_PARTITION_ID_NUMBER,
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"INDEX_UK_TABLE_ID_PARENT_PARTITION_ID_NUMBER",
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"UNIQUE KEY(table_id, parent_partition_id, number)");
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m_target_def.add_index(INDEX_UK_ENGINE_SE_PRIVATE_ID,
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"INDEX_UK_ENGINE_SE_PRIVATE_ID",
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"UNIQUE KEY(engine, se_private_id)");
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m_target_def.add_index(INDEX_K_ENGINE, "INDEX_K_ENGINE", "KEY(engine)");
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m_target_def.add_index(INDEX_K_TABLESPACE_ID, "INDEX_K_TABLESPACE_ID",
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"KEY(tablespace_id)");
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m_target_def.add_index(INDEX_K_PARENT_PARTITION_ID,
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"INDEX_K_PARENT_PARTITION_ID",
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"KEY(parent_partition_id)");
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m_target_def.add_foreign_key(FK_TABLE_ID, "FK_TABLE_ID",
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"FOREIGN KEY (table_id) REFERENCES "
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"tables(id)");
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m_target_def.add_foreign_key(FK_TABLESPACE_ID, "FK_TABLESPACE_ID",
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"FOREIGN KEY (tablespace_id) REFERENCES "
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"tablespaces(id)");
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m_target_def.add_foreign_key(FK_PARENT_PARTITION_ID, "FK_PARENT_PARTITION_ID",
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"FOREIGN KEY (parent_partition_id) REFERENCES "
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"table_partitions(id)");
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}
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///////////////////////////////////////////////////////////////////////////
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Object_key *Table_partitions::create_key_by_table_id(Object_id table_id) {
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return new (std::nothrow)
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Parent_id_range_key(INDEX_UK_TABLE_ID_NAME, FIELD_TABLE_ID, table_id);
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}
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///////////////////////////////////////////////////////////////////////////
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Object_key *Table_partitions::create_key_by_parent_partition_id(
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Object_id table_id, Object_id parent_partition_id) {
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return new (std::nothrow) Sub_partition_range_key(
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INDEX_UK_TABLE_ID_PARENT_PARTITION_ID_NUMBER, FIELD_TABLE_ID, table_id,
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FIELD_PARENT_PARTITION_ID, parent_partition_id);
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}
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///////////////////////////////////////////////////////////////////////////
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/* purecov: begin deadcode */
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Object_id Table_partitions::read_table_id(const Raw_record &r) {
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return r.read_uint(Table_partitions::FIELD_TABLE_ID, -1);
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}
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/* purecov: end */
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///////////////////////////////////////////////////////////////////////////
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/* purecov: begin deadcode */
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Object_key *Table_partitions::create_se_private_key(const String_type &engine,
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Object_id se_private_id) {
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return new (std::nothrow)
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Se_private_id_key(INDEX_UK_ENGINE_SE_PRIVATE_ID, FIELD_ENGINE, engine,
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FIELD_SE_PRIVATE_ID, se_private_id);
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}
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/* purecov: end */
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///////////////////////////////////////////////////////////////////////////
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bool Table_partitions::get_partition_table_id(THD *thd,
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const String_type &engine,
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ulonglong se_private_id,
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Object_id *oid) {
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DBUG_TRACE;
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DBUG_ASSERT(oid);
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*oid = INVALID_OBJECT_ID;
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Transaction_ro trx(thd, ISO_READ_COMMITTED);
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trx.otx.register_tables<dd::Table>();
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if (trx.otx.open_tables()) return true;
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const std::unique_ptr<Object_key> k(
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create_se_private_key(engine, se_private_id));
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Raw_table *t = trx.otx.get_table(instance().name());
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DBUG_ASSERT(t);
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// Find record by the object-key.
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std::unique_ptr<Raw_record> r;
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if (t->find_record(*k, r)) {
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return true;
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}
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if (r.get()) *oid = read_table_id(*r.get());
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return false;
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}
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///////////////////////////////////////////////////////////////////////////
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} // namespace tables
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} // namespace dd
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