ABSTRACT SYNTAX TREE:
  (TOK_ALTERTABLE_REPLACECOLS TEST3c (TOK_TABCOLLIST (TOK_TABCOL R1 TOK_INT) (TOK_TABCOL R2 TOK_DOUBLE)))

STAGE DEPENDENCIES:
  Stage-0 is a root stage

STAGE PLANS:
  Stage: Stage-0
      Alter Table Operator:
        Alter Table
          type: replace columns
          new columns: r1 int, r2 double
          old name: TEST3c