以下是表myTable中的内容

+++++++++++++++
+ id + myWord +
+++++++++++++++
+  1 + AB123  +
+  2 + A413D  +
+  3 + X5231  +
+  4 + ABE921 +
+++++++++++++++


当我执行

SELECT id, Locate('1',myWord) as myPos
FROM myTable;


我的位置是1。

+++++++++++++++
+ id + myPos  +
+++++++++++++++
+  1 + 3      +
+  2 + 3      +
+  3 + 5      +
+  4 + 6      +
+++++++++++++++


我要实现的是找到整数的第一个位置,这样我将获得以下输出。

+++++++++++++++++++++++
+ id + myWord + myPos +
+++++++++++++++++++++++
+  1 + AB123  +  3    +
+  2 + A413D  +  2    +
+  3 + X5231  +  2    +
+  4 + ABE921 +  4    +
+++++++++++++++++++++++


知道我如何实现这一目标吗?

最佳答案

在xdazz答案的帮助下,我做了一些更改,最后得到了答案...

SELECT
  myWord,
  LEAST (
    if (Locate('0',myWord) >0,Locate('0',myWord),999),
    if (Locate('1',myWord) >0,Locate('1',myWord),999),
    if (Locate('2',myWord) >0,Locate('2',myWord),999),
    if (Locate('3',myWord) >0,Locate('3',myWord),999),
    if (Locate('4',myWord) >0,Locate('4',myWord),999),
    if (Locate('5',myWord) >0,Locate('5',myWord),999),
    if (Locate('6',myWord) >0,Locate('6',myWord),999),
    if (Locate('7',myWord) >0,Locate('7',myWord),999),
    if (Locate('8',myWord) >0,Locate('8',myWord),999),
    if (Locate('9',myWord) >0,Locate('9',myWord),999)
  ) as myPos
FROM myTable;


Demo

关于mysql - 查找字符串中的数字位置,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/35660969/

10-11 22:28
查看更多