117 lines
5.6 KiB
C++
117 lines
5.6 KiB
C++
/* Copyright (c) 2017, 2019, 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/table_constraints.h"
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#include <string>
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#include "sql/stateless_allocator.h"
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namespace dd {
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namespace system_views {
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const Table_constraints &Table_constraints::instance() {
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static Table_constraints *s_instance = new Table_constraints();
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return *s_instance;
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}
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Table_constraints::Table_constraints() {
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m_target_def.set_view_name(view_name());
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// First SELECT for UNION
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System_view_select_definition_impl &first_select = m_target_def.get_select();
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first_select.add_field(FIELD_CONSTRAINT_CATALOG, "CONSTRAINT_CATALOG",
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"cat.name" + m_target_def.fs_name_collation());
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first_select.add_field(FIELD_CONSTRAINT_SCHEMA, "CONSTRAINT_SCHEMA",
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"sch.name" + m_target_def.fs_name_collation());
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first_select.add_field(FIELD_CONSTRAINT_NAME, "CONSTRAINT_NAME", "idx.name");
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first_select.add_field(FIELD_TABLE_SCHEMA, "TABLE_SCHEMA",
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"sch.name" + m_target_def.fs_name_collation());
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first_select.add_field(FIELD_TABLE_NAME, "TABLE_NAME",
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"tbl.name" + m_target_def.fs_name_collation());
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first_select.add_field(FIELD_CONSTRAINT_TYPE, "CONSTRAINT_TYPE",
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"IF (idx.type='PRIMARY', 'PRIMARY KEY', idx.type)");
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first_select.add_field(FIELD_ENFORCED, "ENFORCED", "'YES'");
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first_select.add_from("mysql.indexes idx");
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first_select.add_from("JOIN mysql.tables tbl ON idx.table_id=tbl.id");
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first_select.add_from("JOIN mysql.schemata sch ON tbl.schema_id=sch.id");
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first_select.add_from(
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"JOIN mysql.catalogs cat ON cat.id=sch.catalog_id"
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" AND idx.type IN ('PRIMARY', 'UNIQUE')");
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first_select.add_where("CAN_ACCESS_TABLE(sch.name, tbl.name)");
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first_select.add_where("AND IS_VISIBLE_DD_OBJECT(tbl.hidden, idx.hidden)");
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// Second SELECT for UNION
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System_view_select_definition_impl &second_select = m_target_def.get_select();
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second_select.add_field(FIELD_CONSTRAINT_CATALOG, "CONSTRAINT_CATALOG",
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"cat.name" + m_target_def.fs_name_collation());
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second_select.add_field(FIELD_CONSTRAINT_SCHEMA, "CONSTRAINT_SCHEMA",
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"sch.name" + m_target_def.fs_name_collation());
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second_select.add_field(FIELD_CONSTRAINT_NAME, "CONSTRAINT_NAME",
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"fk.name COLLATE utf8_tolower_ci");
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second_select.add_field(FIELD_TABLE_SCHEMA, "TABLE_SCHEMA",
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"sch.name" + m_target_def.fs_name_collation());
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second_select.add_field(FIELD_TABLE_NAME, "TABLE_NAME",
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"tbl.name" + m_target_def.fs_name_collation());
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second_select.add_field(FIELD_CONSTRAINT_TYPE, "CONSTRAINT_TYPE",
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"'FOREIGN KEY'");
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second_select.add_field(FIELD_ENFORCED, "ENFORCED", "'YES'");
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second_select.add_from("mysql.foreign_keys fk");
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second_select.add_from("JOIN mysql.tables tbl ON fk.table_id=tbl.id");
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second_select.add_from("JOIN mysql.schemata sch ON tbl.schema_id=sch.id");
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second_select.add_from("JOIN mysql.catalogs cat ON cat.id=sch.catalog_id");
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second_select.add_where("CAN_ACCESS_TABLE(sch.name, tbl.name)");
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second_select.add_where("AND IS_VISIBLE_DD_OBJECT(tbl.hidden)");
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// Third SELECT for UNION
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System_view_select_definition_impl &third_select = m_target_def.get_select();
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third_select.add_field(FIELD_CONSTRAINT_CATALOG, "CONSTRAINT_CATALOG",
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"cat.name" + m_target_def.fs_name_collation());
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third_select.add_field(FIELD_CONSTRAINT_SCHEMA, "CONSTRAINT_SCHEMA",
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"sch.name" + m_target_def.fs_name_collation());
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third_select.add_field(FIELD_CONSTRAINT_NAME, "CONSTRAINT_NAME", "cc.name");
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third_select.add_field(FIELD_TABLE_SCHEMA, "TABLE_SCHEMA",
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"sch.name" + m_target_def.fs_name_collation());
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third_select.add_field(FIELD_TABLE_NAME, "TABLE_NAME",
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"tbl.name" + m_target_def.fs_name_collation());
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third_select.add_field(FIELD_CONSTRAINT_TYPE, "CONSTRAINT_TYPE", "'CHECK'");
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third_select.add_field(FIELD_ENFORCED, "ENFORCED", "cc.enforced");
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third_select.add_from("mysql.check_constraints cc");
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third_select.add_from("JOIN mysql.tables tbl ON cc.table_id=tbl.id");
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third_select.add_from("JOIN mysql.schemata sch ON tbl.schema_id=sch.id");
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third_select.add_from("JOIN mysql.catalogs cat ON cat.id=sch.catalog_id");
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third_select.add_where("CAN_ACCESS_TABLE(sch.name, tbl.name)");
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third_select.add_where("AND IS_VISIBLE_DD_OBJECT(tbl.hidden)");
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}
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} // namespace system_views
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} // namespace dd
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