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 + Add table aliases)
            SettingQuotaAndLimits (Set limits and quota after reading from storage)
              ReadFromStorage (MergeTree)
Expression (Projection)
  Limit (preliminary LIMIT)
    FinishSorting
      Expression (Before ORDER BY + Add table aliases)
        SettingQuotaAndLimits (Set limits and quota after reading from storage)
          Union
            ReadFromStorage (MergeTree  with order)
            ReadFromStorage (MergeTree  with order)
            ReadFromStorage (MergeTree  with order)
Expression (Projection)
  Limit (preliminary LIMIT)
    FinishSorting
      Expression (Before ORDER BY)
        SettingQuotaAndLimits (Set limits and quota after reading from storage)
          Union
            ReadFromStorage (MergeTree  with order)
            ReadFromStorage (MergeTree  with order)
            ReadFromStorage (MergeTree  with order)
optimize_aggregation_in_order
Expression (Projection + Before ORDER BY)
  Aggregating
    Expression (Before GROUP BY + Add table aliases)
      SettingQuotaAndLimits (Set limits and quota after reading from storage)
        ReadFromStorage (MergeTree)
Expression (Projection + Before ORDER BY)
  Aggregating
    Expression (Before GROUP BY + Add table aliases)
      SettingQuotaAndLimits (Set limits and quota after reading from storage)
        Union
          ReadFromStorage (MergeTree  with order)
          ReadFromStorage (MergeTree  with order)
          ReadFromStorage (MergeTree  with order)
Expression (Projection + Before ORDER BY)
  Aggregating
    Expression (Before GROUP BY)
      SettingQuotaAndLimits (Set limits and quota after reading from storage)
        Union
          ReadFromStorage (MergeTree  with order)
          ReadFromStorage (MergeTree  with order)
          ReadFromStorage (MergeTree  with order)
second-index
1
1