SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function trimLeft (children 1)
     ExpressionList (children 1)
      Asterisk
   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\'
               Literal \'\'
               Subquery (children 1)
                SelectWithUnionQuery (children 1)
                 ExpressionList (children 1)
                  SelectQuery (children 3)
                   ExpressionList (children 1)
                    Function count (children 1)
                     ExpressionList
                   TablesInSelectQuery (children 1)
                    TablesInSelectQueryElement (children 1)
                     TableExpression (children 1)
                      TableIdentifier x
                   Function or (children 1)
                    ExpressionList (children 2)
                     Function and (children 1)
                      ExpressionList (children 2)
                       Function greaterOrEquals (children 1)
                        ExpressionList (children 2)
                         Identifier i
                         Literal UInt64_3
                       Function lessOrEquals (children 1)
                        ExpressionList (children 2)
                         Identifier i
                         Literal UInt64_6
                     Function equals (children 1)
                      ExpressionList (children 2)
                       Identifier i
                       Literal UInt64_7
   Function or (children 1)
    ExpressionList (children 2)
     Function like (children 1)
      ExpressionList (children 2)
       Identifier explain
       Literal \'%ReadFromPreparedSource%\'
     Function like (children 1)
      ExpressionList (children 2)
       Identifier explain
       Literal \'%ReadFromMergeTree%\'
