Method resolveProjectionColumns

src/Analyzer/QueryNode.cpp:60–77

{}

void QueryNode::resolveProjectionColumns(NamesAndTypes projection_columns_value)
{

    // Ensure the number of aliases matches the number of projection columns
    if (!this->projection_aliases_to_override.empty())
    {
        if (this->projection_aliases_to_override.size() != projection_columns_value.size())
            throw Exception(ErrorCodes::BAD_ARGUMENTS,
                "Number of aliases does not match number of projection columns. "
                "Expected {}, got {}",
                projection_columns_value.size(),
                this->projection_aliases_to_override.size());

        for (size_t i = 0; i < projection_columns_value.size(); ++i)
            projection_columns_value[i].name = this->projection_aliases_to_override[i];
    }
    projection_columns = std::move(projection_columns_value);
}

void QueryNode::removeUnusedProjectionColumns(const std::unordered_set<size_t> & used_projection_columns_indexes)
{