156 lines
4.8 KiB
C++
156 lines
4.8 KiB
C++
/* Copyright (c) 2014, 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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#ifndef DD__DICTIONARY_IMPL_INCLUDED
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#define DD__DICTIONARY_IMPL_INCLUDED
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#include <stddef.h>
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#include <sys/types.h>
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#include <string>
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#include "lex_string.h"
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#include "sql/dd/dictionary.h" // dd::Dictionary
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#include "sql/dd/object_id.h" // dd::Object_id
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#include "sql/dd/string_type.h" // dd::String_type
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#include "sql/table.h" // MYSQL_SCHEMA_NAME
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class THD;
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namespace dd {
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class Object_table;
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} // namespace dd
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namespace dd_schema_unittest {
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class SchemaTest;
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}
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namespace my_testing {
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class DD_initializer;
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}
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namespace dd_column_statistics_unittest {
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template <typename T>
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class ColumnStatisticsTest;
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}
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namespace dd {
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///////////////////////////////////////////////////////////////////////////
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enum class enum_dd_init_type;
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///////////////////////////////////////////////////////////////////////////
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class Dictionary_impl : public Dictionary {
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friend class dd_schema_unittest::SchemaTest;
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friend class my_testing::DD_initializer;
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template <typename T>
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friend class dd_column_statistics_unittest::ColumnStatisticsTest;
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/////////////////////////////////////////////////////////////////////////
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// Implementation details.
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/////////////////////////////////////////////////////////////////////////
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private:
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static Dictionary_impl *s_instance;
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public:
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static bool init(enum_dd_init_type dd_init);
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static bool shutdown();
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static Dictionary_impl *instance();
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private:
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Dictionary_impl() {}
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public:
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virtual ~Dictionary_impl() {}
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public:
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static uint get_target_dd_version();
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virtual uint get_actual_dd_version(THD *thd);
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static uint get_target_I_S_version();
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virtual uint get_actual_I_S_version(THD *thd);
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static uint get_target_P_S_version();
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virtual uint get_actual_P_S_version(THD *thd);
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uint set_I_S_version(THD *thd, uint version);
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uint set_P_S_version(THD *thd, uint version);
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virtual const Object_table *get_dd_table(const String_type &schema_name,
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const String_type &table_name) const;
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public:
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virtual bool is_dd_schema_name(const String_type &schema_name) const {
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return (schema_name == MYSQL_SCHEMA_NAME.str);
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}
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virtual bool is_dd_table_name(const String_type &schema_name,
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const String_type &table_name) const;
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virtual bool is_system_table_name(const String_type &schema_name,
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const String_type &table_name) const;
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virtual int table_type_error_code(const String_type &schema_name,
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const String_type &table_name) const;
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virtual bool is_dd_table_access_allowed(bool is_dd_internal_thread,
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bool is_ddl_statement,
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const char *schema_name,
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size_t schema_length,
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const char *table_name) const;
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virtual bool is_system_view_name(const char *schema_name,
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const char *table_name, bool *hidden) const;
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virtual bool is_system_view_name(const char *schema_name,
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const char *table_name) const {
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bool hidden;
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return is_system_view_name(schema_name, table_name, &hidden);
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}
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public:
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static Object_id default_catalog_id() { return DEFAULT_CATALOG_ID; }
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static Object_id dd_tablespace_id() { return DD_TABLESPACE_ID; }
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static const String_type &default_catalog_name() {
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return DEFAULT_CATALOG_NAME;
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}
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private:
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static Object_id DEFAULT_CATALOG_ID;
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static Object_id DD_TABLESPACE_ID;
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static const String_type DEFAULT_CATALOG_NAME;
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};
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///////////////////////////////////////////////////////////////////////////
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} // namespace dd
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#endif // DD__DICTIONARY_IMPL_INCLUDED
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