test-partition-prune 1 1 1 1 1 test-join 1 1 alias2alias 1 1 1 1 1 1 1 array-join 1 0 0 lambda 1 optimize_read_in_order Expression (Projection) Limit (preliminary LIMIT) MergingSorted (Merge sorted streams for ORDER BY) MergeSorting (Merge sorted blocks for ORDER BY) PartialSorting (Sort each block for ORDER BY) Expression (Before ORDER BY) SettingQuotaAndLimits (Set limits and quota after reading from storage) ReadFromMergeTree Expression (Projection) Limit (preliminary LIMIT) FinishSorting Expression (Before ORDER BY) SettingQuotaAndLimits (Set limits and quota after reading from storage) ReadFromMergeTree Expression (Projection) Limit (preliminary LIMIT) FinishSorting Expression (Before ORDER BY) SettingQuotaAndLimits (Set limits and quota after reading from storage) ReadFromMergeTree optimize_aggregation_in_order Expression ((Projection + Before ORDER BY)) Aggregating Expression (Before GROUP BY) SettingQuotaAndLimits (Set limits and quota after reading from storage) ReadFromMergeTree Expression ((Projection + Before ORDER BY)) Aggregating Expression (Before GROUP BY) SettingQuotaAndLimits (Set limits and quota after reading from storage) ReadFromMergeTree Expression ((Projection + Before ORDER BY)) Aggregating Expression (Before GROUP BY) SettingQuotaAndLimits (Set limits and quota after reading from storage) ReadFromMergeTree second-index 1 1 1