202 lines
11 KiB
C++
202 lines
11 KiB
C++
/* Copyright (c) 2017, 2018, 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/system_views/partitions.h"
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namespace dd {
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namespace system_views {
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const Partitions &Partitions::instance() {
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static Partitions *s_instance = new Partitions();
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return *s_instance;
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}
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Partitions::Partitions() {
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m_target_def.set_view_name(view_name());
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m_target_def.add_field(FIELD_TABLE_CATALOG, "TABLE_CATALOG",
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"cat.name" + m_target_def.fs_name_collation());
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m_target_def.add_field(FIELD_TABLE_SCHEMA, "TABLE_SCHEMA",
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"sch.name" + m_target_def.fs_name_collation());
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m_target_def.add_field(FIELD_TABLE_NAME, "TABLE_NAME", "tbl.name");
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m_target_def.add_field(FIELD_PARTITION_NAME, "PARTITION_NAME", "part.name");
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m_target_def.add_field(FIELD_SUBPARTITION_NAME, "SUBPARTITION_NAME",
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"sub_part.name");
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m_target_def.add_field(FIELD_PARTITION_ORDINAL_POSITION,
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"PARTITION_ORDINAL_POSITION", "part.number+1");
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m_target_def.add_field(FIELD_SUBPARTITION_ORDINAL_POSITION,
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"SUBPARTITION_ORDINAL_POSITION", "sub_part.number+1");
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m_target_def.add_field(FIELD_PARTITION_METHOD, "PARTITION_METHOD",
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"CASE tbl.partition_type"
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" WHEN 'HASH' THEN 'HASH' "
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" WHEN 'RANGE' THEN 'RANGE' "
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" WHEN 'LIST' THEN 'LIST' "
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" WHEN 'AUTO' THEN 'AUTO' "
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" WHEN 'KEY_51' THEN 'KEY' "
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" WHEN 'KEY_55' THEN 'KEY' "
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" WHEN 'LINEAR_KEY_51' THEN 'LINEAR KEY' "
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" WHEN 'LINEAR_KEY_55' THEN 'LINEAR KEY' "
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" WHEN 'LINEAR_HASH' THEN 'LINEAR HASH' "
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" WHEN 'RANGE_COLUMNS' THEN 'RANGE COLUMNS' "
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" WHEN 'LIST_COLUMNS' THEN 'LIST COLUMNS' "
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" ELSE NULL END");
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m_target_def.add_field(FIELD_SUBPARTITION_METHOD, "SUBPARTITION_METHOD",
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"CASE tbl.subpartition_type"
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" WHEN 'HASH' THEN 'HASH' "
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" WHEN 'RANGE' THEN 'RANGE' "
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" WHEN 'LIST' THEN 'LIST' "
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" WHEN 'AUTO' THEN 'AUTO' "
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" WHEN 'KEY_51' THEN 'KEY' "
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" WHEN 'KEY_55' THEN 'KEY' "
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" WHEN 'LINEAR_KEY_51' THEN 'LINEAR KEY' "
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" WHEN 'LINEAR_KEY_55' THEN 'LINEAR KEY' "
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" WHEN 'LINEAR_HASH' THEN 'LINEAR HASH' "
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" WHEN 'RANGE_COLUMNS' THEN 'RANGE COLUMNS' "
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" WHEN 'LIST_COLUMNS' THEN 'LIST COLUMNS' "
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" ELSE NULL END");
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m_target_def.add_field(FIELD_PARTITION_EXPRESSION, "PARTITION_EXPRESSION",
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"tbl.partition_expression_utf8");
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m_target_def.add_field(FIELD_SUBPARTITION_EXPRESSION,
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"SUBPARTITION_EXPRESSION",
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"tbl.subpartition_expression_utf8");
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m_target_def.add_field(FIELD_PARTITION_DESCRIPTION, "PARTITION_DESCRIPTION",
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"part.description_utf8");
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m_target_def.add_field(FIELD_TABLE_ROWS, "TABLE_ROWS",
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"INTERNAL_TABLE_ROWS(sch.name, tbl.name,"
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" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
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" tbl.se_private_id, tbl.hidden != 'Visible', "
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" IF(sub_part.name IS NULL, "
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" IF(part.name IS NULL, tbl.se_private_data, "
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"part_ts.se_private_data),"
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" sub_part_ts.se_private_data), 0, 0,"
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" IFNULL(sub_part.name, part.name))");
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m_target_def.add_field(FIELD_AVG_ROW_LENGTH, "AVG_ROW_LENGTH",
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"INTERNAL_AVG_ROW_LENGTH(sch.name, tbl.name,"
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" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
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" tbl.se_private_id, tbl.hidden != 'Visible', "
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" IF(sub_part.name IS NULL, "
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" IF(part.name IS NULL, tbl.se_private_data, "
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"part_ts.se_private_data),"
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" sub_part_ts.se_private_data), 0, 0,"
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" IFNULL(sub_part.name, part.name))");
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m_target_def.add_field(FIELD_DATA_LENGTH, "DATA_LENGTH",
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"INTERNAL_DATA_LENGTH(sch.name, tbl.name,"
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" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
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" tbl.se_private_id, tbl.hidden != 'Visible', "
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" IF(sub_part.name IS NULL, "
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" IF(part.name IS NULL, tbl.se_private_data, "
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"part_ts.se_private_data),"
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" sub_part_ts.se_private_data), 0, 0,"
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" IFNULL(sub_part.name, part.name))");
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m_target_def.add_field(FIELD_MAX_DATA_LENGTH, "MAX_DATA_LENGTH",
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"INTERNAL_MAX_DATA_LENGTH(sch.name, tbl.name,"
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" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
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" tbl.se_private_id, tbl.hidden != 'Visible', "
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" IF(sub_part.name IS NULL, "
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" IF(part.name IS NULL, tbl.se_private_data, "
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"part_ts.se_private_data),"
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" sub_part_ts.se_private_data), 0, 0,"
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" IFNULL(sub_part.name, part.name))");
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m_target_def.add_field(FIELD_INDEX_LENGTH, "INDEX_LENGTH",
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"INTERNAL_INDEX_LENGTH(sch.name, tbl.name,"
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" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
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" tbl.se_private_id, tbl.hidden != 'Visible', "
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" IF(sub_part.name IS NULL, "
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" IF(part.name IS NULL, tbl.se_private_data, "
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"part_ts.se_private_data),"
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" sub_part_ts.se_private_data), 0, 0,"
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" IFNULL(sub_part.name, part.name))");
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m_target_def.add_field(FIELD_DATA_FREE, "DATA_FREE",
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"INTERNAL_DATA_FREE(sch.name, tbl.name,"
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" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
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" tbl.se_private_id, tbl.hidden != 'Visible', "
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" IF(sub_part.name IS NULL, "
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" IF(part.name IS NULL, tbl.se_private_data, "
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"part_ts.se_private_data),"
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" sub_part_ts.se_private_data), 0, 0,"
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" IFNULL(sub_part.name, part.name))");
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m_target_def.add_field(FIELD_CREATE_TIME, "CREATE_TIME", "tbl.created");
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m_target_def.add_field(FIELD_UPDATE_TIME, "UPDATE_TIME",
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"INTERNAL_UPDATE_TIME(sch.name, tbl.name,"
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" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
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" tbl.se_private_id, tbl.hidden != 'Visible', "
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" IF(sub_part.name IS NULL, "
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" IF(part.name IS NULL, tbl.se_private_data, "
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"part_ts.se_private_data),"
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" sub_part_ts.se_private_data), 0, 0,"
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" IFNULL(sub_part.name, part.name))");
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m_target_def.add_field(FIELD_CHECK_TIME, "CHECK_TIME",
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"INTERNAL_CHECK_TIME(sch.name, tbl.name,"
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" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
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" tbl.se_private_id, tbl.hidden != 'Visible', "
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" IF(sub_part.name IS NULL, "
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" IF(part.name IS NULL, tbl.se_private_data, "
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"part_ts.se_private_data),"
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" sub_part_ts.se_private_data), 0, 0,"
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" IFNULL(sub_part.name, part.name))");
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m_target_def.add_field(FIELD_CHECKSUM, "CHECKSUM",
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"INTERNAL_CHECKSUM(sch.name, tbl.name,"
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" IF(ISNULL(tbl.partition_type), tbl.engine, ''),"
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" tbl.se_private_id, tbl.hidden != 'Visible', "
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" IF(sub_part.name IS NULL, "
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" IF(part.name IS NULL, tbl.se_private_data, "
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"part_ts.se_private_data),"
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" sub_part_ts.se_private_data), 0, 0,"
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" IFNULL(sub_part.name, part.name))");
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m_target_def.add_field(
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FIELD_PARTITION_COMMENT, "PARTITION_COMMENT",
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"IF(sub_part.name IS NULL,"
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"IFNULL(part.comment,''), IFNULL(sub_part.comment,''))");
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m_target_def.add_field(
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FIELD_NODEGROUP, "NODEGROUP",
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"IF(part.name IS NULL, '', INTERNAL_GET_PARTITION_NODEGROUP( "
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"IF(sub_part.name IS NULL, part.options, sub_part.options)))");
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m_target_def.add_field(FIELD_TABLESPACE_NAME, "TABLESPACE_NAME",
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"IFNULL(sub_part_ts.name, part_ts.name)");
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m_target_def.add_from("mysql.tables tbl");
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m_target_def.add_from("JOIN mysql.schemata sch ON sch.id=tbl.schema_id");
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m_target_def.add_from(
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"JOIN mysql.catalogs cat "
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"ON cat.id=sch.catalog_id");
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m_target_def.add_from(
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"LEFT JOIN mysql.table_partitions part ON "
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"part.table_id=tbl.id");
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m_target_def.add_from(
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"LEFT JOIN mysql.table_partitions sub_part "
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"ON sub_part.parent_partition_id=part.id");
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m_target_def.add_from(
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"LEFT JOIN mysql.tablespaces part_ts "
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"ON part_ts.id=part.tablespace_id");
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m_target_def.add_from(
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"LEFT JOIN mysql.tablespaces sub_part_ts "
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"ON sub_part.tablespace_id IS NOT NULL "
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"AND sub_part_ts.id=sub_part.tablespace_id");
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m_target_def.add_where("CAN_ACCESS_TABLE(sch.name, tbl.name)");
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m_target_def.add_where("AND IS_VISIBLE_DD_OBJECT(tbl.hidden)");
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m_target_def.add_where("AND part.parent_partition_id IS NULL");
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}
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} // namespace system_views
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} // namespace dd
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