CreateQuery ttl_test_02129 (children 3)
 Identifier ttl_test_02129
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration a (children 1)
    DataType Int64
   ColumnDeclaration b (children 1)
    DataType String
   ColumnDeclaration d (children 1)
    DataType Date
 Storage definition (children 4)
  Function MergeTree
  Identifier d
  Identifier a
  Set
