foreign_storage::IntegralFixedLengthBoundsValidator< T > Class Template Reference

#include <ParquetMetadataValidator.h>

Static Public Member Functions
template<typename D >
static void	validateValue (const D &data_value, const SQLTypeInfo &column_type)

Static Private Member Functions
static bool	valueWithinBounds (const T &value, const SQLTypeInfo &column_type)
static std::pair< std::string, std::string >	getMinMaxBoundsAsStrings (const SQLTypeInfo &column_type)
template<typename D , typename TT = T, std::enable_if_t< std::is_signed< TT >::value, int > = 0>
static bool	checkBounds (const T &value)
	Check bounds for value in signed case. More...
template<typename D , typename TT = T, std::enable_if_t<!std::is_signed< TT >::value, int > = 0>
static bool	checkBounds (const T &value)
	Check bounds for value in unsigned case. More...
template<typename D >
static std::pair< std::string, std::string >	getMinMaxBoundsAsStrings ()

Detailed Description

template<typename T>
class foreign_storage::IntegralFixedLengthBoundsValidator< T >

Definition at line 114 of file ParquetMetadataValidator.h.

Member Function Documentation

template<typename T >

template<typename D , typename TT = T, std::enable_if_t< std::is_signed< TT >::value, int > = 0>

static bool foreign_storage::IntegralFixedLengthBoundsValidator< T >::checkBounds ( const T &  value )

inlinestaticprivate

Check bounds for value in signed case.

Parameters

value

- value to check

Returns

true if value within bounds

Definition at line 181 of file ParquetMetadataValidator.h.

                                          {
    return check_bounds<D>(value);
  }

template<typename T >

template<typename D , typename TT = T, std::enable_if_t<!std::is_signed< TT >::value, int > = 0>

static bool foreign_storage::IntegralFixedLengthBoundsValidator< T >::checkBounds ( const T &  value )

inlinestaticprivate

Check bounds for value in unsigned case.

Parameters

value

- value to check

Returns

true if value within bounds

Definition at line 195 of file ParquetMetadataValidator.h.

                                          {
    auto [min_value, max_value] = get_min_max_bounds<D>();
    auto signed_value = static_cast<D>(value);
    return signed_value >= 0 && signed_value <= max_value;
  }

template<typename T >

static std::pair<std::string, std::string> foreign_storage::IntegralFixedLengthBoundsValidator< T >::getMinMaxBoundsAsStrings ( const SQLTypeInfo &  column_type )

inlinestaticprivate

Definition at line 153 of file ParquetMetadataValidator.h.

References CHECK, SQLTypeInfo::get_size(), SQLTypeInfo::is_integer(), and UNREACHABLE.

                                      {
    CHECK(column_type.is_integer());
    switch (column_type.get_size()) {
      case 1:
        return getMinMaxBoundsAsStrings<int8_t>();
      case 2:
        return getMinMaxBoundsAsStrings<int16_t>();
      case 4:
        return getMinMaxBoundsAsStrings<int32_t>();
      case 8:
        return getMinMaxBoundsAsStrings<int64_t>();
      default:
        UNREACHABLE();
    }
    return {};
  }

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template<typename T >

template<typename D >

static std::pair<std::string, std::string> foreign_storage::IntegralFixedLengthBoundsValidator< T >::getMinMaxBoundsAsStrings ( )

inlinestaticprivate

Definition at line 202 of file ParquetMetadataValidator.h.

References to_string().

Referenced by foreign_storage::IntegralFixedLengthBoundsValidator< T >::validateValue().

                                                                  {
    auto [min_value, max_value] = get_min_max_bounds<D>();
    return {std::to_string(min_value), std::to_string(max_value)};
  }

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template<typename T >

template<typename D >

static void foreign_storage::IntegralFixedLengthBoundsValidator< T >::validateValue ( const D &  data_value, const SQLTypeInfo &  column_type  )

inlinestatic

Definition at line 120 of file ParquetMetadataValidator.h.

References foreign_storage::IntegralFixedLengthBoundsValidator< T >::getMinMaxBoundsAsStrings(), foreign_storage::throw_parquet_metadata_out_of_bounds_error(), to_string(), and foreign_storage::IntegralFixedLengthBoundsValidator< T >::valueWithinBounds().

Referenced by foreign_storage::ParquetUnsignedFixedLengthEncoder< V, T, U, NullType >::validate(), and foreign_storage::ParquetFixedLengthEncoder< V, T, NullType >::validateIntegralOrFloatingPointValue().

                                                                                 {
    if (!valueWithinBounds(data_value, column_type)) {
      auto [min_allowed_value, max_allowed_value] = getMinMaxBoundsAsStrings(column_type);
      if (std::is_signed<T>::value) {
        throw_parquet_metadata_out_of_bounds_error(
            min_allowed_value, max_allowed_value, std::to_string(data_value));
      } else {
        throw_parquet_metadata_out_of_bounds_error(
            min_allowed_value,
            max_allowed_value,
            std::to_string(static_cast<T>(data_value)));
      }
    }
  }

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template<typename T >

static bool foreign_storage::IntegralFixedLengthBoundsValidator< T >::valueWithinBounds ( const T &  value, const SQLTypeInfo &  column_type  )

inlinestaticprivate

Definition at line 136 of file ParquetMetadataValidator.h.

References CHECK, SQLTypeInfo::get_size(), SQLTypeInfo::is_integer(), and UNREACHABLE.

Referenced by foreign_storage::IntegralFixedLengthBoundsValidator< T >::validateValue().

                                                                                {
    CHECK(column_type.is_integer());
    switch (column_type.get_size()) {
      case 1:
        return checkBounds<int8_t>(value);
      case 2:
        return checkBounds<int16_t>(value);
      case 4:
        return checkBounds<int32_t>(value);
      case 8:
        return checkBounds<int64_t>(value);
      default:
        UNREACHABLE();
    }
    return {};
  }

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The documentation for this class was generated from the following file:

• /home/jenkins-slave/workspace/core-os-doxygen/DataMgr/ForeignStorage/ParquetMetadataValidator.h