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Version: 2.5

array_length

Description

Returns the number of elements in the array. The result type is INT. if the parameter is NULL, the result is also NULL.

Syntax

array_length(any_array)

Examples

mysql> select array_length([1,2,3]);
+-----------------------+
| array_length([1,2,3]) |
+-----------------------+
| 3 |
+-----------------------+
1 row in set (0.00 sec)

mysql> select array_length([[1,2], [3,4]]);
+-----------------------------+
| array_length([[1,2],[3,4]]) |
+-----------------------------+
| 2 |
+-----------------------------+
1 row in set (0.01 sec)

keyword

ARRAY_LENGTH,ARRAY