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array_slice

Description

Returns a slice of an array.

Syntax

array_slice(input, offset, length)

Parameters

  • input: the array whose slice you want to obtain.

  • offset: the offset at which the slice that you want to obtain starts. Valid values start from 1.

  • length: the length of the slice that you want to obtain.

Return value

Returns an array of the same data type as the array specified by the input parameter.

Examples

Example 1:

mysql> select array_slice([1,2,4,5,6], 3, 2) as res;
+-------+
| res   |
+-------+
| [4,5] |
+-------+

Example 2:

mysql> select array_slice(["sql","storage","query","execute"], 1, 2) as res;
+-------------------+
| res               |
+-------------------+
| ["sql","storage"] |
+-------------------+

Example 3:

mysql> select array_slice([57.73,97.32,128.55,null,324.2], 3, 3) as res;
+---------------------+
| res                 |
+---------------------+
| [128.55,null,324.2] |
+---------------------+

Example 4:

mysql> select array_slice([57.73,97.32,128.55,null,324.2], 3, 5) as res;
+---------------------+
| res                 |
+---------------------+
| [128.55,null,324.2] |
+---------------------+
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