我有一张这样的桌子:
+-----+------------+-------+--------+-----------+
| ID | val1 | val2 | val3 | array_3 |
+-----+------------+-------+--------+-----------+
| 100 | 110 | 25 | 53 |{110,25,53}|
| 101 | 56 | 75 | 59 |{56,75,59} |
| 102 | 65 | 93 | 82 |{65,93,82} |
| 103 | 75 | 70 | 80 |{75,70,80} |
+-----+------------+-------+--------+-----------+
想象一下,我有ID、val1、val2 和 val3列的值,我想要array_3表中的结果数组,它是一个数组类型,它的大小是 1*3。我怎样才能做到这一点?