anonymous_namespace{DBETypes.cpp} Namespace Reference

Functions
void	checkColumnRange (size_t index, size_t count)
template<typename T >
void	getFieldValue (T &result, TargetValue *field)

Function Documentation

void anonymous_namespace{DBETypes.cpp}::checkColumnRange	(	size_t	index,
		size_t	count
	)

Definition at line 20 of file DBETypes.cpp.

References to_string().

Referenced by EmbeddedDatabase::Row::getDouble(), EmbeddedDatabase::Row::getFloat(), EmbeddedDatabase::Row::getInt(), and EmbeddedDatabase::Row::getStr().

                                                  {
  if (index >= count) {
    throw std::out_of_range("Column index " + std::to_string(index) +
                            " is out of range: 0.." + std::to_string(count - 1));
  }
}

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template<typename T >

void anonymous_namespace{DBETypes.cpp}::getFieldValue	(	T &	result,
		TargetValue *	field
	)

Definition at line 28 of file DBETypes.cpp.

References field(), and heavydb.dtypes::T.

Referenced by EmbeddedDatabase::Row::getDouble(), EmbeddedDatabase::Row::getFloat(), EmbeddedDatabase::Row::getInt(), and com.mapd.calcite.parser.HeavyDBTable::getRowType().

                                                  {
  ScalarTargetValue* scalar_value = boost::get<ScalarTargetValue>(field);
  if (!scalar_value) {
    throw std::runtime_error("Unsupported field type");
  }
  T* result_ptr = boost::get<T>(scalar_value);
  if (!result_ptr) {
    throw std::runtime_error("Null field");
  }
  result = *result_ptr;
}

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