76 lines
2.5 KiB
C++
76 lines
2.5 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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#include "sql/outline/outline_table_common.h"
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#include "sql/outline/outline_digest.h"
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#include "errmsg.h"
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#include "my_sys.h"
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#include "mysql/components/services/log_builtins.h"
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#include "mysqld_error.h"
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#include "mysys_err.h"
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namespace im {
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const char *outline_error_msg[] = {
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"Outline type or position is invalid",
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"Outline optimizer's hint or digest is invalid",
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"Outline index's hint, digest, or scope is invalid"};
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bool Outline_record::check_valid(const char **msg) const {
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if (type == Outline_type::UNKNOWN || pos < 1)
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{
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*msg = outline_error_msg[0];
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return false;
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}
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else if (type == Outline_type::OPTIMIZER) {
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if (blank(digest) || blank(hint)) {
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*msg = outline_error_msg[1];
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return false;
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}
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return true;
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} else {
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if (blank(digest) || scope.str.str == nullptr || blank(hint)) {
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*msg = outline_error_msg[2];
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return false;
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}
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return true;
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}
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}
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/**
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Try to parse the optimizer hint and check the valid.
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@param[in] thd thread context
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@retval true valid
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@retval false not valid
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*/
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bool Outline_record::optimizer_hint_valid(THD *thd) {
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DBUG_ENTER("Outline_record::optimizer_hint_valid");
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LEX_CSTRING str =
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to_lex_cstring(strmake_root(thd->mem_root, hint.str, hint.length));
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if (parse_optimizer_hint(thd, str)) return true;
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return false;
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}
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} /* namespace im */
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