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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 "Shared/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< TargetInfotarget_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().

371  {
372  target.skip_null_val = !not_null;
373  auto new_type = get_compact_type(target);
374  new_type.set_notnull(not_null);
375  set_compact_type(target, new_type);
376 }
void set_compact_type(TargetInfo &target, const SQLTypeInfo &new_type)
bool skip_null_val
Definition: TargetInfo.h:44
const SQLTypeInfo get_compact_type(const TargetInfo &target)

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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 1153 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 Executor::ExecutionDispatch::runImpl().

1155  {
1156  std::vector<TargetInfo> target_infos;
1157  for (const auto target_expr : targets) {
1158  auto target = get_target_info(target_expr, g_bigint_count);
1159  if (query_mem_desc.getQueryDescriptionType() ==
1161  set_notnull(target, false);
1162  target.sql_type.set_notnull(false);
1163  }
1164  target_infos.push_back(target);
1165  }
1166  return target_infos;
1167 }
TargetInfo get_target_info(const PointerType target_expr, const bool bigint_count)
Definition: TargetInfo.h:66
bool g_bigint_count
QueryDescriptionType getQueryDescriptionType() const
void set_notnull(TargetInfo &target, const bool not_null)

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Variable Documentation