CreateQuery t (children 3)
 Identifier t
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 2)
    DataType UInt64
    Function generateSerialID (children 1)
     ExpressionList (children 1)
      Literal \'03212_variant_seq\'
   ColumnDeclaration d (children 1)
    DataType Dynamic
 Storage definition (children 2)
  Function MergeTree
  Identifier id
