MAP_VALUES

Description

Syntax

ARRAY<K> map_values(Map<K, V> map)

将给定 map 的值提取成一个对应类型的 ARRAY

Example

mysql> select map_values(map(1, "100", 0.1, 2));
+---------------------------------------------------------------------------------------------------+
| map_values(map(cast(1 as DECIMALV3(2, 1)), '100', cast(0.1 as DECIMALV3(2, 1)), cast(2 as TEXT))) |
+---------------------------------------------------------------------------------------------------+
| ["100", "2"]                                                                                      |
+---------------------------------------------------------------------------------------------------+
1 row in set (0.12 sec)

mysql> select map_values(map());
+-------------------+
| map_values(map()) |
+-------------------+
| []                |
+-------------------+
1 row in set (0.11 sec)

Keywords

MAP, VALUES, MAP_VALUES