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ChunkAccessorTable.h
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2  * Copyright 2022 HEAVY.AI, Inc.
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4  * Licensed under the Apache License, Version 2.0 (the "License");
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16 
23 #pragma once
24 
25 #include "Catalog/CatalogFwd.h"
26 #include "DataMgr/Chunk/Chunk.h"
27 
28 #include <tuple>
29 #include <vector>
30 
31 // convenience functions for multi-fragment support in multi-threaded worker functions
32 // (poly rendering, importer)
33 
34 using ChunkIterVector = std::vector<ChunkIter>;
35 using ChunkAccessorTable = std::vector<
36  std::tuple<size_t, std::vector<std::shared_ptr<Chunk_NS::Chunk>>, ChunkIterVector>>;
37 
39  const TableDescriptor* td,
40  const std::vector<std::string>& columnNames);
41 
43  size_t rowid,
44  size_t& rowOffset);
std::string cat(Ts &&...args)
ChunkAccessorTable getChunkAccessorTable(const Catalog_Namespace::Catalog &cat, const TableDescriptor *td, const std::vector< std::string > &columnNames)
class for a per-database catalog. also includes metadata for the current database and the current use...
Definition: Catalog.h:132
ChunkIterVector & getChunkItersAndRowOffset(ChunkAccessorTable &table, size_t rowid, size_t &rowOffset)
std::vector< ChunkIter > ChunkIterVector
std::vector< std::tuple< size_t, std::vector< std::shared_ptr< Chunk_NS::Chunk >>, ChunkIterVector >> ChunkAccessorTable