46 lines
1.9 KiB
C++
46 lines
1.9 KiB
C++
/* Copyright (c) 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/system_views/column_statistics.h"
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namespace dd {
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namespace system_views {
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const Column_statistics &Column_statistics::instance() {
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static Column_statistics *s_instance = new Column_statistics();
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return *s_instance;
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}
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Column_statistics::Column_statistics() {
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m_target_def.set_view_name(view_name());
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m_target_def.add_field(FIELD_SCHEMA_NAME, "SCHEMA_NAME", "SCHEMA_NAME");
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m_target_def.add_field(FIELD_TABLE_NAME, "TABLE_NAME", "TABLE_NAME");
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m_target_def.add_field(FIELD_COLUMN_NAME, "COLUMN_NAME", "COLUMN_NAME");
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m_target_def.add_field(FIELD_HISTOGRAM, "HISTOGRAM", "HISTOGRAM");
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m_target_def.add_from("mysql.column_statistics");
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m_target_def.add_where("CAN_ACCESS_TABLE(SCHEMA_NAME, TABLE_NAME)");
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}
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} // namespace system_views
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} // namespace dd
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