QueryMemoryDescriptor.h File Reference

Descriptor for the result set buffer layout. More...

#include "../CompilationOptions.h"
#include "../CountDistinct.h"
#include "ColSlotContext.h"
#include "Types.h"
#include <boost/optional.hpp>
#include "Logger/Logger.h"
#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <memory>
#include <numeric>
#include <unordered_map>
#include <vector>
#include <Shared/SqlTypesLayout.h>
#include <Shared/TargetInfo.h>

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Classes
class	StreamingTopNOOM
class	QueryMemoryDescriptor

Functions
void	set_notnull (TargetInfo &target, const bool not_null)
std::vector< TargetInfo >	target_exprs_to_infos (const std::vector< Analyzer::Expr * > &targets, const QueryMemoryDescriptor &query_mem_desc)

Variables
bool	g_cluster

Detailed Description

Descriptor for the result set buffer layout.

Author

Alex Suhan alex@.nosp@m.mapd.nosp@m..com Copyright (c) 2014 MapD Technologies, Inc. All rights reserved.

Definition in file QueryMemoryDescriptor.h.

Function Documentation

void set_notnull ( TargetInfo &  target, const bool  not_null  )

inline

Definition at line 371 of file QueryMemoryDescriptor.h.

References get_compact_type(), set_compact_type(), and TargetInfo::skip_null_val.

Referenced by init_agg_val_vec(), and target_exprs_to_infos().

                                                                 {
  target.skip_null_val = !not_null;
  auto new_type = get_compact_type(target);
  new_type.set_notnull(not_null);
  set_compact_type(target, new_type);
}

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std::vector<TargetInfo> target_exprs_to_infos	(	const std::vector< Analyzer::Expr * > &	targets,
		const QueryMemoryDescriptor &	query_mem_desc
	)

Definition at line 1165 of file QueryMemoryDescriptor.cpp.

References g_bigint_count, get_target_info(), QueryMemoryDescriptor::getQueryDescriptionType(), NonGroupedAggregate, and set_notnull().

Referenced by SpeculativeTopNMap::asRows(), device_allocator_(), QueryMemoryInitializer::QueryMemoryInitializer(), and ExecutionKernel::runImpl().

                                                 {
  std::vector<TargetInfo> target_infos;
  for (const auto target_expr : targets) {
    auto target = get_target_info(target_expr, g_bigint_count);
    if (query_mem_desc.getQueryDescriptionType() ==
        QueryDescriptionType::NonGroupedAggregate) {
      set_notnull(target, false);
      target.sql_type.set_notnull(false);
    }
    target_infos.push_back(target);
  }
  return target_infos;
}

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Variable Documentation

bool g_cluster

Referenced by QueryMemoryDescriptor::blocksShareMemory(), RelAlgDagBuilder::build(), QueryFragmentDescriptor::checkDeviceMemoryUsage(), HashJoin::checkHashJoinReplicationConstraint(), GroupByAndAggregate::codegenAggCalls(), GroupByAndAggregate::codegenAggColumnPtr(), CodeGenerator::codegenCastFromString(), CodeGenerator::codegenQualifierCmp(), UpdelRoll::commitUpdate(), anonymous_namespace{RelAlgExecutor.cpp}::decide_approx_count_distinct_implementation(), anonymous_namespace{RelAlgExecutor.cpp}::do_table_reordering(), TableArchiver::dumpTable(), Parser::CreateTableAsSelectStmt::execute(), RelAlgExecutor::executeRelAlgStep(), RelAlgExecutor::executeSimpleInsert(), RelAlgExecutor::executeSort(), RelAlgExecutor::executeTableFunction(), anonymous_namespace{Execute.cpp}::fill_entries_for_empty_input(), get_count_distinct_sub_bitmap_count(), DBHandler::get_status(), RelAlgTranslator::getInIntegerSetExpr(), QueryMemoryDescriptor::isLogicalSizedColumnsAllowed(), DBHandler::load_table(), DBHandler::load_table_binary(), Parser::InsertIntoTableAsSelectStmt::populateData(), DBHandler::prepare_columnar_loader(), TableArchiver::restoreTable(), DBHandler::set_table_epochs(), DBHandler::sql_execute_impl(), use_speculative_top_n(), and anonymous_namespace{QueryMemoryDescriptor.cpp}::use_streaming_top_n().