80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/* Copyright (c) 2018, 2021, Alibaba 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/PolarDB-X Engine hereby grant you an
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additional permission to link the program and your derivative works with the
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separately licensed software that they have included with
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MySQL/PolarDB-X Engine.
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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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/** @file include/lizard0page.h
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lizard page operation.
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Created 2020-04-08 by Jianwei.zhao
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*******************************************************/
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#ifndef lizard0page_h
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#define lizard0page_h
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#include "page0types.h"
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#include "lizard0scn0types.h"
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#include "lizard0undo0types.h"
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struct dict_index_t;
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struct txn_desc_t;
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namespace lizard {
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/**
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Write the scn and uba of a record on a B-tree leaf node page.
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@param[in/out] page_zip compressed page
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@param[in/out] rec record
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@param[in] offsets rec_get_offsets(rec, index)
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@param[in] scn_col column number of SCN_ID in rec
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@param[in] scn transaction scn
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@param[in] undo_ptr undo_ptr
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*/
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void page_zip_write_scn_and_undo_ptr(page_zip_des_t *page_zip,
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byte *rec,
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const ulint *offsets,
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ulint scn_col,
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const scn_t scn,
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const undo_ptr_t undo_ptr,
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const gcn_t gcn);
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#if defined UNIV_DEBUG || defined LIZARD_DEBUG
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/**
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Check the lizard fields in every user records of the page
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@param[in] page cluster index page
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@param[in] index cluster index
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@retval true Success
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*/
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bool lizard_page_attributes(page_t *page, const dict_index_t *index);
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#endif /* UNIV_DEBUG || LIZARD_DEBUG define */
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} // namespace lizard
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#if defined UNIV_DEBUG || defined lizard_DEBUG
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#define assert_lizard_page_attributes(page, index) \
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do { \
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ut_a(lizard::lizard_page_attributes(page, index)); \
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} while (0)
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#else
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#define assert_lizard_page_attributes(page, index)
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#endif /* UNIV_DEBUG || LIZARD_DEBUG define */
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#endif
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