SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function concat (children 1)
     ExpressionList (children 5)
      Function concat (children 1)
       ExpressionList (children 1)
        Literal UInt64_11
      Literal UInt64_5
      Function countSubstringsCaseInsensitive (children 1)
       ExpressionList (children 2)
        Function concat (children 1)
         ExpressionList (children 2)
          Function countSubstringsCaseInsensitive (children 1)
           ExpressionList (children 2)
            Function concat (children 1)
             ExpressionList (children 5)
              Literal UInt64_11
              Function toString (children 1)
               ExpressionList (children 1)
                Identifier number
              Function materialize (children 1)
               ExpressionList (children 1)
                Literal \'aaa111\'
              Literal UInt64_6
              Function materialize (children 1)
               ExpressionList (children 1)
                Literal UInt64_6
            Function char (children 1)
             ExpressionList (children 1)
              Identifier number
          Literal \'aaa111\'
        Function char (children 1)
         ExpressionList (children 1)
          Function countSubstringsCaseInsensitive (children 1)
           ExpressionList (children 2)
            Function concat (children 1)
             ExpressionList (children 1)
              Literal \' test\'
            Function char (children 1)
             ExpressionList (children 1)
              Function toLowCardinality (children 1)
               ExpressionList (children 1)
                Literal UInt64_6
      Literal \'aaa111\'
      Literal UInt64_6
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
