SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Function arraySort (alias arraySort(used_functions)) (children 1)
     ExpressionList (children 1)
      Function arrayMap (children 1)
       ExpressionList (children 2)
        Function lambda (children 1)
         ExpressionList (children 2)
          Function tuple (children 1)
           ExpressionList (children 1)
            Identifier x
          Function if (children 1)
           ExpressionList (children 3)
            Function equals (children 1)
             ExpressionList (children 2)
              Identifier x
              Literal \'crc32\'
            Literal \'CRC32\'
            Identifier x
        Function arrayFilter (children 1)
         ExpressionList (children 2)
          Function lambda (children 1)
           ExpressionList (children 2)
            Function tuple (children 1)
             ExpressionList (children 1)
              Identifier x
            Function notEquals (children 1)
             ExpressionList (children 2)
              Identifier x
              Literal \'arrayJoin\'
          Identifier used_functions
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.query_log
   Function and (children 1)
    ExpressionList (children 3)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier current_database
       Function currentDatabase (children 1)
        ExpressionList
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier type
       Literal \'QueryFinish\'
     Function like (children 1)
      ExpressionList (children 2)
       Identifier query
       Literal \'%toDate(\\\'2000-12-05\\\')%\'
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier query_start_time
   Literal UInt64_1
 Identifier TabSeparatedWithNames
