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ARRAY_PUSHBACK

array_pushback

array_pushback

description

Syntax

Array<T> array_pushback(Array<T> arr, T value)

将 value 添加到数组的尾部。

Returned value

返回添加 value 后的数组

类型:Array.

example

mysql> select array_pushback([1, 2], 3);
+---------------------------------+
| array_pushback(ARRAY(1, 2), 3) |
+---------------------------------+
| [1, 2, 3] |
+---------------------------------+

mysql> select col3, array_pushback(col3, 6) from array_test;
+-----------+----------------------------+
| col3 | array_pushback(`col3`, 6) |
+-----------+----------------------------+
| [3, 4, 5] | [3, 4, 5, 6] |
| [NULL] | [NULL, 6] |
| NULL | NULL |
| [] | [6] |
+-----------+----------------------------+

mysql> select col1, col3, array_pushback(col3, col1) from array_test;
+------+-----------+---------------------------------+
| col1 | col3 | array_pushback(`col3`, `col1`) |
+------+-----------+---------------------------------+
| 0 | [3, 4, 5] | [3, 4, 5, 0] |
| 1 | [NULL] | [NULL, 1] |
| 2 | NULL | NULL |
| 3 | [] | [3] |
+------+-----------+---------------------------------+

keywords

ARRAY,PUSHBACK,ARRAY_PUSHBACK