123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
/*
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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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*/
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#ifndef NDB_DUMMY_TS_H
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#define NDB_DUMMY_TS_H
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// Implementing the callbacks for working with SDI
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// in tablespaces as defined in handler.h
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#include "sql/handler.h"
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// These are dummy callback implementations as there is no
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// point in keeping .SDI files for each table stored in
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// the data directory of MySQL Server. The tables and
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// their metadata is safely stored in the transactional
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// dictionary of NDB
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namespace ndb_dummy_ts {
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/**
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Create SDI in a tablespace. This API should be used when
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upgrading a tablespace with no SDI.
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@param[in,out] tablespace tablespace object
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@retval false success
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@retval true failure
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*/
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static bool sdi_create(dd::Tablespace *) {
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DBUG_ASSERT(false); // Never called
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return false; // Success
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}
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/**
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Drop SDI in a tablespace. This API should be used only
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when SDI is corrupted.
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@param[in,out] tablespace tablespace object
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@retval false success
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@retval true failure
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*/
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static bool sdi_drop(dd::Tablespace *) {
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DBUG_ASSERT(false); // Never called
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return false; // Success
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}
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/**
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Get the SDI keys in a tablespace into the vector provided.
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@param[in] tablespace tablespace object
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@param[in,out] vector vector to hold SDI keys
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@retval false success
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@retval true failure
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*/
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static bool sdi_get_keys(const dd::Tablespace &, sdi_vector_t &) {
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DBUG_ASSERT(false); // Never called
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return false; // Success
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}
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/** Retrieve SDI from tablespace
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@param[in] tablespace tablespace object
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@param[in] sdi_key SDI key
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@param[in,out] sdi SDI retrieved from tablespace
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@param[in,out] sdi_len in: size of memory allocated
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out: actual length of SDI
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@retval false success
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@retval true failure
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*/
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static bool sdi_get(const dd::Tablespace &, const sdi_key_t *, void *,
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uint64 *) {
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DBUG_ASSERT(false); // Never called
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return false; // Success
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}
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/** Insert/Update SDI in tablespace
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@param[in] hton handlerton object
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@param[in] tablespace tablespace object
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@param[in] table table object
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@param[in] sdi_key SDI key to uniquely identify the tablespace
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object
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@param[in] sdi SDI to be stored in tablespace
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@param[in] sdi_len SDI length
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@retval false success
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@retval true failure
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*/
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static bool sdi_set(handlerton *, const dd::Tablespace &, const dd::Table *,
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const sdi_key_t *, const void *, uint64) {
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return false; // Success
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}
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/**
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Delete SDI from tablespace
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@param[in] tablespace tablespace object
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@param[in] table table object
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@param[in] sdi_key SDI key to uniquely identify the tablespace
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object
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@retval false success
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@retval true failure
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*/
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static bool sdi_delete(const dd::Tablespace &, const dd::Table *,
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const sdi_key_t *) {
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return false; // Success
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}
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} // namespace ndb_dummy_ts
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#endif
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