shaoqin 发表于 2018-9-10 09:59:14

oracle 插入

  DECLARE
  TYPE num_tt IS TABLE OF INT;
  num_t num_tt:=num_tt();
  mid_val INT;
  mid_j INT;
  BEGIN
  num_t.extend(20);
  FOR i IN 1..20 LOOP
  num_t(i) := trunc(dbms_random.value(200,100000));
  END LOOP;
  dbms_output.put_line('before sort:');
  FOR i IN 1..num_t.count LOOP
  dbms_output.put_line(num_t(i)||',');
  END LOOP;
  FOR i IN 2..num_t.count LOOP
  mid_val := num_t(i);
  mid_j := i - 1;
  WHILE(mid_j > 0) LOOP
  IF(mid_val < num_t(mid_j)) THEN
  num_t(mid_j + 1) := num_t(mid_j);
  ELSE
  EXIT;
  END IF;
  mid_j := mid_j - 1;
  END LOOP;
  num_t(mid_j+1):= mid_val;
  END LOOP;
  dbms_output.put_line('after sort:');
  FOR i IN 1..num_t.count LOOP
  dbms_output.put_line(num_t(i)||',');
  END LOOP;
  END;

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