SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function trimLeft (children 1)
     ExpressionList (children 1)
      Identifier explain
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Asterisk
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function viewExplain (children 1)
              ExpressionList (children 3)
               Literal \'EXPLAIN PIPELINE\'
               Literal \'\'
               Subquery (children 1)
                SelectWithUnionQuery (children 1)
                 ExpressionList (children 1)
                  SelectQuery (children 4)
                   ExpressionList (children 3)
                    WithElement (children 1)
                     Subquery (children 1)
                      SelectWithUnionQuery (children 1)
                       ExpressionList (children 1)
                        SelectQuery (children 3)
                         ExpressionList (children 2)
                          Identifier n1.n (alias a)
                          Identifier n2.n (alias b)
                         TablesInSelectQuery (children 2)
                          TablesInSelectQueryElement (children 1)
                           TableExpression (children 1)
                            TableIdentifier empty (alias n1)
                          TablesInSelectQueryElement (children 2)
                           TableExpression (children 1)
                            TableIdentifier empty (alias n2)
                           TableJoin
                         Function equals (children 1)
                          ExpressionList (children 2)
                           Function modulo (children 1)
                            ExpressionList (children 2)
                             Identifier n1.n
                             Literal UInt64_7
                           Function modulo (children 1)
                            ExpressionList (children 2)
                             Identifier n2.n
                             Literal UInt64_5
                    WithElement (children 1)
                     Subquery (children 1)
                      SelectWithUnionQuery (children 1)
                       ExpressionList (children 1)
                        SelectQuery (children 2)
                         ExpressionList (children 2)
                          Identifier a
                          Function lagInFrame (alias lag) (children 1)
                           ExpressionList (children 3)
                            Identifier a
                            Literal UInt64_1
                            Identifier a
                         TablesInSelectQuery (children 1)
                          TablesInSelectQueryElement (children 1)
                           TableExpression (children 1)
                            TableIdentifier nums
                    WithElement (children 1)
                     Subquery (children 1)
                      SelectWithUnionQuery (children 1)
                       ExpressionList (children 1)
                        SelectQuery (children 2)
                         ExpressionList (children 2)
                          Identifier lag
                          Function leadInFrame (alias lead) (children 1)
                           ExpressionList (children 3)
                            Identifier lag
                            Literal UInt64_1
                            Identifier a
                         TablesInSelectQuery (children 1)
                          TablesInSelectQueryElement (children 1)
                           TableExpression (children 1)
                            TableIdentifier window1
                   ExpressionList (children 1)
                    Identifier lead
                   TablesInSelectQuery (children 1)
                    TablesInSelectQueryElement (children 1)
                     TableExpression (children 1)
                      TableIdentifier window2
                   Set
   Function like (children 1)
    ExpressionList (children 2)
     Identifier explain
     Literal \'%Resize%\'
   Literal UInt64_3
