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41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
/* Copyright (C) 2022 MariaDB Corporation
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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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 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 Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#pragma once
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#include <parsetree.h>
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#include <treenode.h>
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#include <simplefilter.h>
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namespace execplan
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{
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#define debug_rewrites false
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execplan::OpType oppositeOperator(execplan::OpType op);
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struct NodeSemanticComparator
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{
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bool operator()(execplan::ParseTree* left, execplan::ParseTree* right) const;
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};
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// Walk the tree and find out common conjuctions
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template<bool stableSort = false>
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execplan::ParseTree* extractCommonLeafConjunctionsToRoot(execplan::ParseTree* tree);
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bool checkFiltersLimit(execplan::ParseTree* tree, uint64_t limit);
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} // namespace execplan
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