69 lines
2.9 KiB
C++
69 lines
2.9 KiB
C++
/* Copyright (c) 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/innodb_foreign.h"
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namespace dd {
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namespace system_views {
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const Innodb_foreign &Innodb_foreign::instance() {
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static Innodb_foreign *s_instance = new Innodb_foreign();
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return *s_instance;
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}
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Innodb_foreign::Innodb_foreign() {
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m_target_def.set_view_name(view_name());
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m_target_def.add_field(
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FIELD_FOREIGN_ID, "ID",
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"CONCAT(sch.name, '/', fk.name)" + m_target_def.fs_name_collation());
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m_target_def.add_field(FIELD_FOREIGN_NAME, "FOR_NAME",
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"CONCAT(sch.name, '/', tbl.name)");
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m_target_def.add_field(
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FIELD_REF_NAME, "REF_NAME",
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"CONCAT(fk.referenced_table_schema, '/', fk.referenced_table_name)");
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m_target_def.add_field(FIELD_N_COLS, "N_COLS", "COUNT(*)");
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m_target_def.add_field(FIELD_TYPE, "TYPE",
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"IF(fk.delete_rule='CASCADE',1,0)|"
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"IF(fk.delete_rule='SET NULL',2,0)|"
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"IF(fk.update_rule='CASCADE',4,0)|"
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"IF(fk.update_rule='SET NULL',8,0)|"
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"IF(fk.delete_rule='NO ACTION',16,0)|"
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"IF(fk.update_rule='NO ACTION',32,0)");
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m_target_def.add_from("mysql.foreign_keys fk");
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m_target_def.add_from("JOIN mysql.tables tbl ON fk.table_id=tbl.id");
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m_target_def.add_from("JOIN mysql.schemata sch ON fk.schema_id=sch.id");
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m_target_def.add_from(
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"JOIN mysql.foreign_key_column_usage col "
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"ON fk.id=col.foreign_key_id");
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m_target_def.add_where("NOT tbl.type = 'VIEW'");
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m_target_def.add_where("AND tbl.hidden = 'Visible'");
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m_target_def.add_where("AND tbl.se_private_id IS NOT NULL");
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m_target_def.add_where("AND tbl.engine='INNODB'");
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m_target_def.add_where("GROUP BY fk.id");
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}
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} // namespace system_views
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} // namespace dd
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