security-admin/db/oracle/patches/010-users-and-groups-visibility.sql

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-- this work for additional information regarding copyright ownership.
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--     http://www.apache.org/licenses/LICENSE-2.0
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DECLARE
	v_column_exists number := 0;
BEGIN
  Select count(*) into v_column_exists
    from user_tab_cols
    where column_name = upper('is_visible')
      and table_name = upper('x_user');

  if (v_column_exists = 0) then
      execute immediate 'ALTER TABLE x_user ADD is_visible NUMBER(11) DEFAULT 1 NOT NULL';
      commit;
  end if;
end;/

DECLARE
	v_column_exists number := 0;
BEGIN
  Select count(*) into v_column_exists
    from user_tab_cols
    where column_name = upper('is_visible')
      and table_name = upper('x_group');

  if (v_column_exists = 0) then
      execute immediate 'ALTER TABLE x_group ADD is_visible NUMBER(11) DEFAULT 1 NOT NULL';
      commit;
  end if;
end;/