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/* Copyright (c) 2017, 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.
This program is designed to work 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 either included with
the program or referenced in the documentation.
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/system_views/partitions.h"
namespace dd {
namespace system_views {
const Partitions &Partitions::instance() {
static Partitions *s_instance = new Partitions();
return *s_instance;
}
Partitions::Partitions() {
m_target_def.set_view_name(view_name());
m_target_def.add_field(FIELD_TABLE_CATALOG, "TABLE_CATALOG",
"cat.name" + m_target_def.fs_name_collation());
m_target_def.add_field(FIELD_TABLE_SCHEMA, "TABLE_SCHEMA",
"sch.name" + m_target_def.fs_name_collation());
m_target_def.add_field(FIELD_TABLE_NAME, "TABLE_NAME", "tbl.name");
m_target_def.add_field(FIELD_PARTITION_NAME, "PARTITION_NAME", "part.name");
m_target_def.add_field(FIELD_SUBPARTITION_NAME, "SUBPARTITION_NAME",
"sub_part.name");
m_target_def.add_field(FIELD_PARTITION_ORDINAL_POSITION,
"PARTITION_ORDINAL_POSITION", "part.number+1");
m_target_def.add_field(FIELD_SUBPARTITION_ORDINAL_POSITION,
"SUBPARTITION_ORDINAL_POSITION", "sub_part.number+1");
m_target_def.add_field(FIELD_PARTITION_METHOD, "PARTITION_METHOD",
"CASE tbl.partition_type"
" WHEN 'HASH' THEN 'HASH' "
" WHEN 'RANGE' THEN 'RANGE' "
" WHEN 'LIST' THEN 'LIST' "
" WHEN 'AUTO' THEN 'AUTO' "
" WHEN 'KEY_51' THEN 'KEY' "
" WHEN 'KEY_55' THEN 'KEY' "
" WHEN 'LINEAR_KEY_51' THEN 'LINEAR KEY' "
" WHEN 'LINEAR_KEY_55' THEN 'LINEAR KEY' "
" WHEN 'LINEAR_HASH' THEN 'LINEAR HASH' "
" WHEN 'RANGE_COLUMNS' THEN 'RANGE COLUMNS' "
" WHEN 'LIST_COLUMNS' THEN 'LIST COLUMNS' "
" ELSE NULL END");
m_target_def.add_field(FIELD_SUBPARTITION_METHOD, "SUBPARTITION_METHOD",
"CASE tbl.subpartition_type"
" WHEN 'HASH' THEN 'HASH' "
" WHEN 'RANGE' THEN 'RANGE' "
" WHEN 'LIST' THEN 'LIST' "
" WHEN 'AUTO' THEN 'AUTO' "
" WHEN 'KEY_51' THEN 'KEY' "
" WHEN 'KEY_55' THEN 'KEY' "
" WHEN 'LINEAR_KEY_51' THEN 'LINEAR KEY' "
" WHEN 'LINEAR_KEY_55' THEN 'LINEAR KEY' "
" WHEN 'LINEAR_HASH' THEN 'LINEAR HASH' "
" WHEN 'RANGE_COLUMNS' THEN 'RANGE COLUMNS' "
" WHEN 'LIST_COLUMNS' THEN 'LIST COLUMNS' "
" ELSE NULL END");
m_target_def.add_field(FIELD_PARTITION_EXPRESSION, "PARTITION_EXPRESSION",
"tbl.partition_expression_utf8");
m_target_def.add_field(FIELD_SUBPARTITION_EXPRESSION,
"SUBPARTITION_EXPRESSION",
"tbl.subpartition_expression_utf8");
m_target_def.add_field(FIELD_PARTITION_DESCRIPTION, "PARTITION_DESCRIPTION",
"part.description_utf8");
m_target_def.add_field(FIELD_TABLE_ROWS, "TABLE_ROWS",
"INTERNAL_TABLE_ROWS(sch.name, tbl.name,"
" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
" tbl.se_private_id, tbl.hidden != 'Visible', "
" IF(sub_part.name IS NULL, "
" IF(part.name IS NULL, tbl.se_private_data, "
"part_ts.se_private_data),"
" sub_part_ts.se_private_data), 0, 0,"
" IFNULL(sub_part.name, part.name))");
m_target_def.add_field(FIELD_AVG_ROW_LENGTH, "AVG_ROW_LENGTH",
"INTERNAL_AVG_ROW_LENGTH(sch.name, tbl.name,"
" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
" tbl.se_private_id, tbl.hidden != 'Visible', "
" IF(sub_part.name IS NULL, "
" IF(part.name IS NULL, tbl.se_private_data, "
"part_ts.se_private_data),"
" sub_part_ts.se_private_data), 0, 0,"
" IFNULL(sub_part.name, part.name))");
m_target_def.add_field(FIELD_DATA_LENGTH, "DATA_LENGTH",
"INTERNAL_DATA_LENGTH(sch.name, tbl.name,"
" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
" tbl.se_private_id, tbl.hidden != 'Visible', "
" IF(sub_part.name IS NULL, "
" IF(part.name IS NULL, tbl.se_private_data, "
"part_ts.se_private_data),"
" sub_part_ts.se_private_data), 0, 0,"
" IFNULL(sub_part.name, part.name))");
m_target_def.add_field(FIELD_MAX_DATA_LENGTH, "MAX_DATA_LENGTH",
"INTERNAL_MAX_DATA_LENGTH(sch.name, tbl.name,"
" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
" tbl.se_private_id, tbl.hidden != 'Visible', "
" IF(sub_part.name IS NULL, "
" IF(part.name IS NULL, tbl.se_private_data, "
"part_ts.se_private_data),"
" sub_part_ts.se_private_data), 0, 0,"
" IFNULL(sub_part.name, part.name))");
m_target_def.add_field(FIELD_INDEX_LENGTH, "INDEX_LENGTH",
"INTERNAL_INDEX_LENGTH(sch.name, tbl.name,"
" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
" tbl.se_private_id, tbl.hidden != 'Visible', "
" IF(sub_part.name IS NULL, "
" IF(part.name IS NULL, tbl.se_private_data, "
"part_ts.se_private_data),"
" sub_part_ts.se_private_data), 0, 0,"
" IFNULL(sub_part.name, part.name))");
m_target_def.add_field(FIELD_DATA_FREE, "DATA_FREE",
"INTERNAL_DATA_FREE(sch.name, tbl.name,"
" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
" tbl.se_private_id, tbl.hidden != 'Visible', "
" IF(sub_part.name IS NULL, "
" IF(part.name IS NULL, tbl.se_private_data, "
"part_ts.se_private_data),"
" sub_part_ts.se_private_data), 0, 0,"
" IFNULL(sub_part.name, part.name))");
m_target_def.add_field(FIELD_CREATE_TIME, "CREATE_TIME", "tbl.created");
m_target_def.add_field(FIELD_UPDATE_TIME, "UPDATE_TIME",
"INTERNAL_UPDATE_TIME(sch.name, tbl.name,"
" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
" tbl.se_private_id, tbl.hidden != 'Visible', "
" IF(sub_part.name IS NULL, "
" IF(part.name IS NULL, tbl.se_private_data, "
"part_ts.se_private_data),"
" sub_part_ts.se_private_data), 0, 0,"
" IFNULL(sub_part.name, part.name))");
m_target_def.add_field(FIELD_CHECK_TIME, "CHECK_TIME",
"INTERNAL_CHECK_TIME(sch.name, tbl.name,"
" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
" tbl.se_private_id, tbl.hidden != 'Visible', "
" IF(sub_part.name IS NULL, "
" IF(part.name IS NULL, tbl.se_private_data, "
"part_ts.se_private_data),"
" sub_part_ts.se_private_data), 0, 0,"
" IFNULL(sub_part.name, part.name))");
m_target_def.add_field(FIELD_CHECKSUM, "CHECKSUM",
"INTERNAL_CHECKSUM(sch.name, tbl.name,"
" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
" tbl.se_private_id, tbl.hidden != 'Visible', "
" IF(sub_part.name IS NULL, "
" IF(part.name IS NULL, tbl.se_private_data, "
"part_ts.se_private_data),"
" sub_part_ts.se_private_data), 0, 0,"
" IFNULL(sub_part.name, part.name))");
m_target_def.add_field(
FIELD_PARTITION_COMMENT, "PARTITION_COMMENT",
"IF(sub_part.name IS NULL,"
"IFNULL(part.comment,''), IFNULL(sub_part.comment,''))");
m_target_def.add_field(
FIELD_NODEGROUP, "NODEGROUP",
"IF(part.name IS NULL, '', INTERNAL_GET_PARTITION_NODEGROUP( "
"IF(sub_part.name IS NULL, part.options, sub_part.options)))");
m_target_def.add_field(FIELD_TABLESPACE_NAME, "TABLESPACE_NAME",
"IFNULL(sub_part_ts.name, part_ts.name)");
m_target_def.add_from("mysql.tables tbl");
m_target_def.add_from("JOIN mysql.schemata sch ON sch.id=tbl.schema_id");
m_target_def.add_from(
"JOIN mysql.catalogs cat "
"ON cat.id=sch.catalog_id");
m_target_def.add_from(
"LEFT JOIN mysql.table_partitions part ON "
"part.table_id=tbl.id");
m_target_def.add_from(
"LEFT JOIN mysql.table_partitions sub_part "
"ON sub_part.parent_partition_id=part.id");
m_target_def.add_from(
"LEFT JOIN mysql.tablespaces part_ts "
"ON part_ts.id=part.tablespace_id");
m_target_def.add_from(
"LEFT JOIN mysql.tablespaces sub_part_ts "
"ON sub_part.tablespace_id IS NOT NULL "
"AND sub_part_ts.id=sub_part.tablespace_id");
m_target_def.add_where("CAN_ACCESS_TABLE(sch.name, tbl.name)");
m_target_def.add_where("AND IS_VISIBLE_DD_OBJECT(tbl.hidden)");
m_target_def.add_where("AND part.parent_partition_id IS NULL");
}
} // namespace system_views
} // namespace dd
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