SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   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 \'actions = 1\'
               Subquery (children 1)
                SelectWithUnionQuery (children 1)
                 ExpressionList (children 1)
                  SelectQuery (children 4)
                   ExpressionList (children 1)
                    Asterisk
                   TablesInSelectQuery (children 1)
                    TablesInSelectQueryElement (children 1)
                     TableExpression (children 1)
                      Subquery (children 1)
                       SelectWithUnionQuery (children 1)
                        ExpressionList (children 2)
                         SelectQuery (children 2)
                          ExpressionList (children 1)
                           Asterisk
                          TablesInSelectQuery (children 1)
                           TablesInSelectQueryElement (children 1)
                            TableExpression (children 1)
                             TableIdentifier tab
                         SelectQuery (children 2)
                          ExpressionList (children 1)
                           Asterisk
                          TablesInSelectQuery (children 1)
                           TablesInSelectQueryElement (children 1)
                            TableExpression (children 1)
                             TableIdentifier tab5
                   ExpressionList (children 2)
                    OrderByElement (children 1)
                     Function multiply (children 1)
                      ExpressionList (children 2)
                       Function plus (children 1)
                        ExpressionList (children 2)
                         Identifier a
                         Identifier b
                       Identifier c
                    OrderByElement (children 1)
                     Function sin (children 1)
                      ExpressionList (children 1)
                       Function divide (children 1)
                        ExpressionList (children 2)
                         Identifier a
                         Identifier b
                   Literal UInt64_3
   Function or (children 1)
    ExpressionList (children 3)
     Function ilike (children 1)
      ExpressionList (children 2)
       Identifier explain
       Literal \'%sort description%\'
     Function like (children 1)
      ExpressionList (children 2)
       Identifier explain
       Literal \'%ReadType%\'
     Function like (children 1)
      ExpressionList (children 2)
       Identifier explain
       Literal \'%Limit%\'
