Explain EXPLAIN PIPELINE (children 3)
 Set
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 4)
     WithElement (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 4)
         SelectQuery (children 6)
          ExpressionList (children 1)
           Identifier repo_name
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier github_events__fuzz_0
          Function and (children 1)
           ExpressionList (children 2)
            Function equals (children 1)
             ExpressionList (children 2)
              Identifier event_type
              Literal \'WatchEvent\'
            Function equals (children 1)
             ExpressionList (children 2)
              Function toDate (children 1)
               ExpressionList (children 1)
                Identifier created_at
              Function minus (children 1)
               ExpressionList (children 2)
                Function today (children 1)
                 ExpressionList
                Literal UInt64_1
          ExpressionList (children 1)
           Identifier repo_name
          ExpressionList (children 1)
           OrderByElement (children 1)
            Function count (children 1)
             ExpressionList
          Literal UInt64_100
         SelectQuery (children 6)
          ExpressionList (children 1)
           Identifier repo_name
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier github_events__fuzz_0
          Function and (children 1)
           ExpressionList (children 2)
            Function equals (children 1)
             ExpressionList (children 2)
              Identifier event_type
              Literal \'WatchEvent\'
            Function equals (children 1)
             ExpressionList (children 2)
              Function toMonday (children 1)
               ExpressionList (children 1)
                Identifier created_at
              Function toMonday (children 1)
               ExpressionList (children 1)
                Function minus (children 1)
                 ExpressionList (children 2)
                  Function today (children 1)
                   ExpressionList
                  Function toIntervalWeek (children 1)
                   ExpressionList (children 1)
                    Literal UInt64_1
          ExpressionList (children 1)
           Identifier repo_name
          ExpressionList (children 1)
           OrderByElement (children 1)
            Function count (children 1)
             ExpressionList
          Literal UInt64_100
         SelectQuery (children 6)
          ExpressionList (children 1)
           Identifier repo_name
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier github_events__fuzz_0
          Function and (children 1)
           ExpressionList (children 2)
            Function equals (children 1)
             ExpressionList (children 2)
              Identifier event_type
              Literal \'WatchEvent\'
            Function equals (children 1)
             ExpressionList (children 2)
              Function toStartOfMonth (children 1)
               ExpressionList (children 1)
                Identifier created_at
              Function minus (children 1)
               ExpressionList (children 2)
                Function toStartOfMonth (children 1)
                 ExpressionList (children 1)
                  Function today (children 1)
                   ExpressionList
                Function toIntervalMonth (children 1)
                 ExpressionList (children 1)
                  Literal UInt64_1
          ExpressionList (children 1)
           Identifier repo_name
          ExpressionList (children 1)
           OrderByElement (children 1)
            Function count (children 1)
             ExpressionList
          Literal UInt64_100
         SelectQuery (children 6)
          ExpressionList (children 1)
           Identifier repo_name
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier github_events
          Function and (children 1)
           ExpressionList (children 2)
            Function equals (children 1)
             ExpressionList (children 2)
              Identifier event_type
              Literal \'WatchEvent\'
            Function equals (children 1)
             ExpressionList (children 2)
              Function toYear (children 1)
               ExpressionList (children 1)
                Identifier created_at
              Function minus (children 1)
               ExpressionList (children 2)
                Function toYear (children 1)
                 ExpressionList (children 1)
                  Function today (children 1)
                   ExpressionList
                Literal UInt64_1
          ExpressionList (children 1)
           Identifier repo_name
          ExpressionList (children 1)
           OrderByElement (children 1)
            Function count (children 1)
             ExpressionList
          Literal UInt64_100
     WithElement (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 5)
          ExpressionList (children 3)
           Identifier repo_name
           Function count (alias count_last_day) (children 1)
            ExpressionList
           Function plus (alias position_last_day) (children 1)
            ExpressionList (children 2)
             Function rowNumberInAllBlocks (children 1)
              ExpressionList
             Literal UInt64_1
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier github_events
          Function and (children 1)
           ExpressionList (children 2)
            Function in (children 1)
             ExpressionList (children 2)
              Identifier repo_name
              Subquery (children 1)
               SelectWithUnionQuery (children 1)
                ExpressionList (children 1)
                 SelectQuery (children 2)
                  ExpressionList (children 1)
                   Identifier repo_name
                  TablesInSelectQuery (children 1)
                   TablesInSelectQueryElement (children 1)
                    TableExpression (children 1)
                     TableIdentifier top_repos
            Function equals (children 1)
             ExpressionList (children 2)
              Function toDate (children 1)
               ExpressionList (children 1)
                Identifier created_at
              Function minus (children 1)
               ExpressionList (children 2)
                Function today (children 1)
                 ExpressionList
                Literal UInt64_1
          ExpressionList (children 1)
           Identifier repo_name
          ExpressionList (children 1)
           OrderByElement (children 1)
            Identifier count_last_day
     WithElement (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 5)
          ExpressionList (children 3)
           Identifier repo_name
           Function count (alias count_last_week) (children 1)
            ExpressionList
           Function plus (alias position_last_week) (children 1)
            ExpressionList (children 2)
             Function rowNumberInAllBlocks (children 1)
              ExpressionList
             Literal UInt64_1
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier github_events
          Function and (children 1)
           ExpressionList (children 2)
            Function in (children 1)
             ExpressionList (children 2)
              Identifier repo_name
              Subquery (children 1)
               SelectWithUnionQuery (children 1)
                ExpressionList (children 1)
                 SelectQuery (children 2)
                  ExpressionList (children 1)
                   Identifier repo_name
                  TablesInSelectQuery (children 1)
                   TablesInSelectQueryElement (children 1)
                    TableExpression (children 1)
                     TableIdentifier top_repos
            Function equals (children 1)
             ExpressionList (children 2)
              Function toMonday (children 1)
               ExpressionList (children 1)
                Identifier created_at
              Function minus (children 1)
               ExpressionList (children 2)
                Function toMonday (children 1)
                 ExpressionList (children 1)
                  Function today (children 1)
                   ExpressionList
                Function toIntervalWeek (children 1)
                 ExpressionList (children 1)
                  Literal UInt64_2
          ExpressionList (children 1)
           Identifier repo_name
          ExpressionList (children 1)
           OrderByElement (children 1)
            Identifier count_last_week
     WithElement (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 5)
          ExpressionList (children 3)
           Identifier repo_name
           Function count (alias count_last_month) (children 1)
            ExpressionList
           Function plus (alias position_last_month) (children 1)
            ExpressionList (children 2)
             Function rowNumberInAllBlocks (children 1)
              ExpressionList
             Literal UInt64_1
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier github_events__fuzz_0
          Function and (children 1)
           ExpressionList (children 3)
            Function equals (children 1)
             ExpressionList (children 2)
              Literal \'deleted\'
              Literal UInt64_4
            Function in (children 1)
             ExpressionList (children 1)
              Identifier repo_name
            Function equals (children 1)
             ExpressionList (children 2)
              Function toStartOfMonth (children 1)
               ExpressionList (children 1)
                Identifier created_at
              Function minus (children 1)
               ExpressionList (children 2)
                Function toStartOfMonth (children 1)
                 ExpressionList (children 1)
                  Function today (children 1)
                   ExpressionList
                Function toIntervalMonth (children 1)
                 ExpressionList (children 1)
                  Literal UInt64_1
          ExpressionList (children 1)
           Identifier repo_name
          ExpressionList (children 1)
           OrderByElement (children 1)
            Identifier count_last_month
    ExpressionList (children 2)
     Identifier d.repo_name
     ColumnsListMatcher (children 1)
      ExpressionList (children 1)
       Identifier count
    TablesInSelectQuery (children 3)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier last_day (alias d)
     TablesInSelectQueryElement (children 2)
      TableExpression (children 1)
       TableIdentifier last_week (alias w)
      TableJoin (children 1)
       Function equals (children 1)
        ExpressionList (children 2)
         Identifier d.repo_name
         Identifier w.repo_name
     TablesInSelectQueryElement (children 2)
      TableExpression (children 1)
       TableIdentifier last_month (alias m)
      TableJoin (children 1)
       Function equals (children 1)
        ExpressionList (children 2)
         Identifier d.repo_name
         Identifier m.repo_name
 Identifier Null
