security-admin/db/oracle/patches/audit/015-auditlogaggregation.sql

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-- (the "License"); you may not use this file except in compliance with
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--     http://www.apache.org/licenses/LICENSE-2.0
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DECLARE
	v_column1_exists number := 0;
	v_column2_exists number := 0;
	v_column3_exists number := 0;
BEGIN
  Select count(*) into v_column1_exists
    from user_tab_cols
    where column_name = upper('seq_num')
      and table_name = upper('XA_ACCESS_AUDIT');

  Select count(*) into v_column2_exists
    from user_tab_cols
    where column_name = upper('event_count')
      and table_name = upper('XA_ACCESS_AUDIT');

  Select count(*) into v_column3_exists
    from user_tab_cols
    where column_name = upper('event_dur_ms')
      and table_name = upper('XA_ACCESS_AUDIT');

  if (v_column1_exists = 0) AND (v_column2_exists = 0) AND (v_column3_exists = 0) then
      execute immediate 'ALTER TABLE XA_ACCESS_AUDIT ADD (seq_num NUMBER(20) DEFAULT 0 NULL,event_count NUMBER(20) DEFAULT 1 NULL,event_dur_ms NUMBER(20) DEFAULT 1 NULL)';
      commit;
  end if;
end;/