41 lines
1.7 KiB
C++
41 lines
1.7 KiB
C++
#ifndef COMP_CREATOR_INCLUDED
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#define COMP_CREATOR_INCLUDED
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/* Copyright (c) 2019, 2024, Oracle and/or its affiliates.
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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 designed to work 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 either included with
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the program or referenced in the documentation.
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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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// Declaration of chooser_compare_func_creator, in a separate file
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// to make sure that parser_yystype.h does not need to depend on
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// item_subselect.h.
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class Comp_creator;
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/**
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Convenience typedef for a function that returns factories for Item comparators
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(ie., returns Comp_creator).
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@retval nullptr In case of semantic errors.
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*/
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using chooser_compare_func_creator = Comp_creator *(*)(bool invert);
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#endif // COMP_CREATOR_INCLUDED
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