87 lines
3.7 KiB
C++
87 lines
3.7 KiB
C++
/* Copyright (c) 2014, 2017, 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/index_stats.h"
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#include "sql/dd/impl/raw/object_keys.h"
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#include "sql/dd/impl/tables/dd_properties.h" // TARGET_DD_VERSION
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#include "sql/dd/impl/types/object_table_definition_impl.h"
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namespace dd {
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namespace tables {
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///////////////////////////////////////////////////////////////////////////
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Index_stats::Index_stats() {
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m_target_def.set_table_name("index_stats");
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m_target_def.add_field(FIELD_SCHEMA_NAME, "FIELD_SCHEMA_NAME",
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"schema_name VARCHAR(64) NOT NULL");
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m_target_def.add_field(FIELD_TABLE_NAME, "FIELD_TABLE_NAME",
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"table_name VARCHAR(64) NOT NULL");
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m_target_def.add_field(FIELD_INDEX_NAME, "FIELD_INDEX_NAME",
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"index_name VARCHAR(64) NOT NULL");
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m_target_def.add_field(FIELD_COLUMN_NAME, "FIELD_COLUMN_NAME",
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"column_name VARCHAR(64) NOT NULL");
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m_target_def.add_field(FIELD_CARDINALITY, "FIELD_CARDINALITY",
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"cardinality BIGINT UNSIGNED");
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m_target_def.add_field(FIELD_CACHED_TIME, "FIELD_CACHED_TIME",
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"cached_time TIMESTAMP NOT NULL");
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m_target_def.add_index(INDEX_UK_SCHEMA_TABLE_INDEX_COLUMN,
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"INDEX_UK_SCHEMA_TABLE_INDEX_COLUMN",
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"UNIQUE KEY (schema_name, table_name, "
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"index_name, column_name)");
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}
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///////////////////////////////////////////////////////////////////////////
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const Index_stats &Index_stats::instance() {
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static Index_stats *s_instance = new Index_stats();
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return *s_instance;
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}
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///////////////////////////////////////////////////////////////////////////
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Index_stat::Name_key *Index_stats::create_object_key(
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const String_type &schema_name, const String_type &table_name,
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const String_type &index_name, const String_type &column_name) {
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return new (std::nothrow) Composite_4char_key(
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INDEX_UK_SCHEMA_TABLE_INDEX_COLUMN, FIELD_SCHEMA_NAME, schema_name,
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FIELD_TABLE_NAME, table_name, FIELD_INDEX_NAME, index_name,
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FIELD_COLUMN_NAME, column_name);
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}
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///////////////////////////////////////////////////////////////////////////
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Object_key *Index_stats::create_range_key_by_table_name(
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const String_type &schema_name, const String_type &table_name) {
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return new (std::nothrow) Index_stat_range_key(
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INDEX_UK_SCHEMA_TABLE_INDEX_COLUMN, FIELD_SCHEMA_NAME, schema_name,
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FIELD_TABLE_NAME, table_name);
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}
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///////////////////////////////////////////////////////////////////////////
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} // namespace tables
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} // namespace dd
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