AlterQuery  replicated_alter1 (children 2)
 ExpressionList (children 2)
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration dt (children 1)
    DataType Date
  AlterCommand MODIFY_COLUMN (children 1)
   ColumnDeclaration s (children 2)
    DataType DateTime (children 1)
     ExpressionList (children 1)
      Literal \'UTC\'
    Literal \'1970-01-01 00:00:00\'
 Identifier replicated_alter1
