/**
  @file
  @brief migration script to move from v4 to v5.0 of data controller

  BREAKING CHANGE - deprecate MPE_APPROVALS and MPE_REVIEW (now MPE_SUBMIT does
  both)

**/

%let dclib=YOURDCLIB;

libname &dclib "/your/dc/path";

/**
  * Change 1
  * New MPE_SUBMIT table
  */
proc sql;
create table &dclib..mpe_submit(
    table_id varchar(32) not null,
    submit_status_cd varchar(10) not null,
    base_lib char(8) not null,
    base_ds char(32) not null,
    submitted_by_nm varchar(100) not null,
    submitted_on_dttm num not null format=datetime19.3,
    submitted_reason_txt varchar(400),
    input_obs num,
    input_vars num,
    num_of_approvals_required num not null,
    num_of_approvals_remaining num not null,
    reviewed_by_nm char(100),
    reviewed_on_dttm num,
  constraint pk_mpe_submit
    primary key(table_id)
);

/* change 2 - col level security */
%let notnull=not null;
proc sql;
create table &dclib..mpe_column_level_security(
    tx_from num &notnull format=datetime19.3,
    tx_to num &notnull format=datetime19.3,
    CLS_SCOPE char(4) &notnull,
    CLS_GROUP char(64) &notnull,
    CLS_LIBREF char(8) &notnull,
    CLS_TABLE char(32) &notnull,
    CLS_VARIABLE_NM char(32) &notnull,
    CLS_ACTIVE num &notnull,
    CLS_HIDE num
);quit;
proc datasets lib=&dclib noprint;
  modify mpe_column_level_security;
  index create
    pk_mpe_column_level_security=
      (tx_to CLS_SCOPE CLS_GROUP CLS_LIBREF CLS_TABLE CLS_VARIABLE_NM)
    /nomiss unique;
quit;

/* change 3 - drop helpful_link and add audit_libds */

proc sql;
alter table &dclib..mpe_tables drop helpful_link;
alter table &dclib..mpe_tables add audit_libds char(41);


/* now update the metadata if running SAS 9 EBI */