ChunkMetadata.h File Reference

#include <cstddef>
#include <iostream>
#include "Logger/Logger.h"
#include "Shared/StringTransform.h"
#include "Shared/sqltypes.h"
#include "Shared/types.h"

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Classes
struct	ChunkStats
struct	ChunkMetadata

Typedefs
using	ChunkMetadataMap = std::map< int, std::shared_ptr< ChunkMetadata >>
using	ChunkMetadataVector = std::vector< std::pair< ChunkKey, std::shared_ptr< ChunkMetadata >>>

Functions
std::ostream &	operator<< (std::ostream &out, const ChunkMetadata &chunk_metadata)
int64_t	extract_min_stat_int_type (const ChunkStats &stats, const SQLTypeInfo &ti)
int64_t	extract_max_stat_int_type (const ChunkStats &stats, const SQLTypeInfo &ti)
double	extract_min_stat_fp_type (const ChunkStats &stats, const SQLTypeInfo &ti)
double	extract_max_stat_fp_type (const ChunkStats &stats, const SQLTypeInfo &ti)

Typedef Documentation

using ChunkMetadataMap = std::map<int, std::shared_ptr<ChunkMetadata>>

Definition at line 199 of file ChunkMetadata.h.

using ChunkMetadataVector = std::vector<std::pair<ChunkKey, std::shared_ptr<ChunkMetadata>>>

Definition at line 201 of file ChunkMetadata.h.

Function Documentation

double extract_max_stat_fp_type ( const ChunkStats &  stats, const SQLTypeInfo &  ti  )

inline

Definition at line 195 of file ChunkMetadata.h.

References extract_fp_type_from_datum(), and ChunkStats::max.

Referenced by Executor::canSkipFragmentForFpQual(), and getLeafColumnRange().

                                                                                       {
  return extract_fp_type_from_datum(stats.max, ti);
}

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int64_t extract_max_stat_int_type ( const ChunkStats &  stats, const SQLTypeInfo &  ti  )

inline

Definition at line 187 of file ChunkMetadata.h.

References extract_int_type_from_datum(), and ChunkStats::max.

Referenced by getLeafColumnRange(), Executor::isFragmentFullyDeleted(), anonymous_namespace{StorageIOFacility.h}::should_recompute_metadata(), and Executor::skipFragment().

                                                                                         {
  return extract_int_type_from_datum(stats.max, ti);
}

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double extract_min_stat_fp_type ( const ChunkStats &  stats, const SQLTypeInfo &  ti  )

inline

Definition at line 191 of file ChunkMetadata.h.

References extract_fp_type_from_datum(), and ChunkStats::min.

Referenced by Executor::canSkipFragmentForFpQual(), and getLeafColumnRange().

                                                                                       {
  return extract_fp_type_from_datum(stats.min, ti);
}

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int64_t extract_min_stat_int_type ( const ChunkStats &  stats, const SQLTypeInfo &  ti  )

inline

Definition at line 183 of file ChunkMetadata.h.

References extract_int_type_from_datum(), and ChunkStats::min.

Referenced by getLeafColumnRange(), Executor::isFragmentFullyDeleted(), anonymous_namespace{StorageIOFacility.h}::should_recompute_metadata(), and Executor::skipFragment().

                                                                                         {
  return extract_int_type_from_datum(stats.min, ti);
}

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std::ostream& operator<< ( std::ostream &  out, const ChunkMetadata &  chunk_metadata  )

inline

Definition at line 161 of file ChunkMetadata.h.

References ChunkMetadata::chunkStats, DatumToString(), SQLTypeInfo::get_elem_type(), SQLTypeInfo::get_type_name(), ChunkStats::has_nulls, Datum::intval, SQLTypeInfo::is_array(), kENCODING_NONE, ChunkStats::max, ChunkStats::min, ChunkMetadata::numBytes, ChunkMetadata::numElements, ChunkMetadata::sqlType, to_string(), and run_benchmark_import::type.

                                                                                    {
  auto type = chunk_metadata.sqlType.is_array() ? chunk_metadata.sqlType.get_elem_type()
                                                : chunk_metadata.sqlType;
  // Unencoded strings have no min/max.
  std::string min, max;
  if (type.is_string() && type.get_compression() == kENCODING_NONE) {
    min = "<invalid>";
    max = "<invalid>";
  } else if (type.is_string()) {
    min = to_string(chunk_metadata.chunkStats.min.intval);
    max = to_string(chunk_metadata.chunkStats.max.intval);
  } else {
    min = DatumToString(chunk_metadata.chunkStats.min, type);
    max = DatumToString(chunk_metadata.chunkStats.max, type);
  }
  out << "type: " << chunk_metadata.sqlType.get_type_name()
      << " numBytes: " << chunk_metadata.numBytes << " numElements "
      << chunk_metadata.numElements << " min: " << min << " max: " << max
      << " has_nulls: " << std::to_string(chunk_metadata.chunkStats.has_nulls);
  return out;
}

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