CreateQuery t2 (children 3)
 Identifier t2
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration str (children 1)
    DataType String
   ColumnDeclaration dec (children 1)
    DataType Decimal64 (children 1)
     ExpressionList (children 1)
      Literal UInt64_8
 Storage definition (children 2)
  Function MergeTree
  Identifier dec