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FromTableReordering.h
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1 /*
2  * Copyright 2022 HEAVY.AI, Inc.
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4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
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16 
17 #pragma once
18 
19 #include "InputMetadata.h"
20 #include "RelAlgExecutionUnit.h"
21 
22 // Returns a FROM permutation for the given join qualifiers and table sizes.
23 std::vector<size_t> get_node_input_permutation(
24  const JoinQualsPerNestingLevel& left_deep_join_quals,
25  const std::vector<InputTableInfo>& table_infos,
26  const Executor* executor);
std::vector< JoinCondition > JoinQualsPerNestingLevel
std::vector< node_t > get_node_input_permutation(const JoinQualsPerNestingLevel &left_deep_join_quals, const std::vector< InputTableInfo > &table_infos, const Executor *executor)
Execution unit for relational algebra. It&#39;s a low-level description of any relational algebra operati...