```
ubuntu@ip-172-31-79-147:/opt/downloads$ clickhouse-local --max_threads 8 --query "WITH parseDateTimeBestEffort(extract(_path, 'pageviews-([\\d\\-]+)\\.gz$')) AS time, splitByChar(' ', line) AS values, splitByChar('.', values[1]) AS projects SELECT time, projects[1] AS project, projects[2] AS subproject, values[2] AS path, (values[3])::UInt64 AS hits FROM file('pageviews*.gz', LineAsString) WHERE length(values) >= 3" | pv > /dev/null
^C01GiB 0:01:08 [ 129MiB/s] [                                                                                                                                                                   <=>                                                                                    ]

ubuntu@ip-172-31-79-147:/opt/downloads$ clickhouse-local --max_threads 8 --query "WITH parseDateTimeBestEffort(extract(toLowCardinality(_path), 'pageviews-([\\d\\-]+)\\.gz$')) AS time, splitByChar(' ', line) AS values, splitByChar('.', values[1]) AS projects SELECT time, projects[1] AS project, projects[2] AS subproject, values[2] AS path, (values[3])::UInt64 AS hits FROM file('pageviews*.gz', LineAsString) WHERE length(values) >= 3" | pv > /dev/null
^C46GiB 0:00:48 [ 175MiB/s] [                                                                                                                                                                                                                                        <=>               ]
```

text_input_field_names[i++] = std::move(name);
        }
    }
    initMinMaxIndexExpression();
}
void StorageHive::initMinMaxIndexExpression()
{
    auto metadata_snapshot = getInMemoryMetadataPtr();
    ASTPtr partition_key_expr_list = extractKeyExpressionList(partition_by_ast);
    if (!partition_key_expr_list->children.empty())
    {
        auto syntax_result = TreeRewriter(getContext()).analyze(partition_key_expr_list, metadata_snapshot->getColumns().getAllPhysical());
        partition_key_expr = ExpressionAnalyzer(partition_key_expr_list, syntax_result, getContext()).getActions(false);
        
        partition_name_types = partition_key_expr->getRequiredColumnsWithTypes();
        partition_names = partition_name_types.getNames();
        partition_types = partition_name_types.getTypes();
        partition_minmax_idx_expr = std::make_shared<ExpressionActions>(
            std::make_shared<ActionsDAG>(partition_name_types), ExpressionActionsSettings::fromContext(getContext()));
    }
    NamesAndTypesList all_name_types = metadata_snapshot->getColumns().getAllPhysical();
    for (const auto & column : all_name_types)
    {
        if (!partition_name_types.contains(column.name))
            hivefile_name_types.push_back(column);
    }
    hivefile_minmax_idx_expr = std::make_shared<ExpressionActions>(
        std::make_shared<ActionsDAG>(hivefile_name_types), ExpressionActionsSettings::fromContext(getContext()));
}
ASTPtr StorageHive::extractKeyExpressionList(const ASTPtr & node)