50 lines
2.0 KiB
C++
50 lines
2.0 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/bootstrap/bootstrap_ctx.h" // dd::DD_bootstrap_ctx
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#include "sql/dd/impl/tables/dd_properties.h" // dd::tables::DD_properties
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namespace dd {
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namespace bootstrap {
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DD_bootstrap_ctx &DD_bootstrap_ctx::instance() {
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static DD_bootstrap_ctx s_instance;
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return s_instance;
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}
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bool DD_bootstrap_ctx::is_above_minor_downgrade_threshold(THD *thd) const {
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uint minor_downgrade_threshold = 0;
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bool exists = false;
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/*
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If we successfully get hold of the threshold, and it exists, and
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the target DD version is above or equal to the threshold, then we
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return true.
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*/
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return (!dd::tables::DD_properties::instance().get(
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thd, "MINOR_DOWNGRADE_THRESHOLD", &minor_downgrade_threshold,
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&exists) &&
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exists && dd::DD_VERSION >= minor_downgrade_threshold);
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}
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} // namespace bootstrap
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} // namespace dd
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