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minor fix

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This commit is contained in:
Артем Стрельцов 2020-05-04 04:28:54 +03:00
parent 5bce553d91
commit 05d4e41949
1 changed files with 11 additions and 2 deletions
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13
src/Dictionaries/DirectDictionary.cpp
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@ -60,12 +60,17 @@ DirectDictionary::Key DirectDictionary::getValueOrNullByKey(const Key & to_find)
auto stream = source_ptr->loadAll();
stream->readPrefix();
bool is_found = false;
Key result = std::get<Key>(hierarchical_attribute->null_values);
while (const auto block = stream->read())
{
const IColumn & id_column = *block.safeGetByPosition(0).column;
for (const size_t attribute_idx : ext::range(0, attributes.size()))
{
if (is_found)
break;
const IColumn & attribute_column = *block.safeGetByPosition(attribute_idx + 1).column;
for (const auto row_idx : ext::range(0, id_column.size()))
@ -73,14 +78,18 @@ DirectDictionary::Key DirectDictionary::getValueOrNullByKey(const Key & to_find)
const auto key = id_column[row_idx].get<UInt64>();
if (key == to_find)
return attribute_column[row_idx].get<Key>();
{
result = attribute_column[row_idx].get<Key>();
is_found = true;
break;
}
}
}
}
stream->readSuffix();
return std::get<Key>(hierarchical_attribute->null_values);
return result;
}
template <typename ChildType, typename AncestorType>