CreateQuery ttl (children 3)
 Identifier ttl
 Columns definition (children 2)
  ExpressionList (children 3)
   ColumnDeclaration i (children 1)
    DataType Int
   ColumnDeclaration a (children 1)
    DataType Int
   ColumnDeclaration s (children 3)
    DataType String
    Literal \'b\'
    Function if (children 1)
     ExpressionList (children 3)
      Function equals (children 1)
       ExpressionList (children 2)
        Function modulo (children 1)
         ExpressionList (children 2)
          Identifier a
          Literal UInt64_2
        Literal UInt64_0
      Function minus (children 1)
       ExpressionList (children 2)
        Function today (children 1)
         ExpressionList
        Literal UInt64_10
      Function toDate (children 1)
       ExpressionList (children 1)
        Literal \'2100-01-01\'
  ExpressionList (children 1)
   Index (children 2)
    Identifier s
    Function set (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
 Storage definition (children 2)
  Function MergeTree
  Identifier i