Oracle 多参数查询语句

陈晓龙 · 发表于 2020-5-23 13:58:32

这篇文章主要介绍了Oracle 多参数查询语句的相关资料,非常不错，具有参考借鉴价值，需要的朋友可以参考下:

废话不多说了，直接给大家贴代码了，具体代码如下所示：

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

CREATE OR REPLACE FUNCTION f_get_param(
   IN_PARAM IN VARCHAR2,
   IN_FLAG IN VARCHAR2)
RETURN VARCHAR2 IS
RESULT VARCHAR2(500);
v_leng NUMBER;
v_left NUMBER;
v_right NUMBER;
v_param VARCHAR2(200);
v_param1 VARCHAR2(200);
BEGION
RESULT := '';
v_param:=IN_PARAM;
v_leng := LENGTH(v_param);
v_left := instr(v_param,in_flag);
IF v_left > 0 THEN
  v_param1 := substr(v_param,v_left,v_leng - v_left +1)
  v_left := instr(v_param1,':') + 1;
  v_right := indtr(v_param1,'$');
  RESULT := substr(v_param1,v_left,v_right-v_left)
END IF;
RETURN(RESULT);
EXCEPTION
  WHEN OTHERS THEN
  RETURN '';
END f_get_param;
//数据库赋值格式
f_get_param(v_param,'materialtype:');//器件编码类型
//数据库展示
public string BuildToParams(ListArgs Args)
{
  string params = '$';
  if(Args != null)
  {
if(!string.isNotEmpty(Args.MaterailType))
{
   params = params + 'materialtypes:' + Args.MaterailType + '$';
}
  }
  return params;
}
//Oracle 数据库拓展-多选参数
SELECT instr(',' || '1,2,3,21' || ',',',' || '1' || ',') FROM DUAL
SELECT * FROM table_name where instr(',' || list_id || ',',',' || id || ',') > 0
//Oarcle 多条件','隔开查询
select distinct regexp_substr('我爱你'，'[^.]+',1,rownum) xyz_name From dual
connect by rownum <= length('我爱你') - length(replace('我爱你',',')) + 1