[SQL]delete bulk

使用bulk的方式刪檔

http://www.anysql.net/oracle/plsql_bulk_operation.html



DECLARE
  TYPE ARRROWID IS TABLE OF ROWID INDEX BY BINARY_INTEGER;
  tbrows ARRROWID;
  row    PLS_INTEGER;
  cursor delete_table is select row_id from testobj_rowid;
BEGIN
  open delete_table;
  loop
     fetch delete_table bulk collect into tbrows limit 250;
     FORALL row IN 1 .. tbrows.count()
       DELETE TEST.TESTOBJ WHERE rowid = tbrows(row);
     commit;
     -- dbms_lock.sleep(1);
     exit when delete_table%notfound;
  end loop;
  close delete_table;
END;
/