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ANY_VALUE
An aggregate function that arbitrarily picks one value from the group. This can include a NULL value if one is present in the group. It is a non-deterministic function (returns different results each time they are called with a specific set of input values).
Syntax
ANY_VALUE (expression);
Arguments
- expression: any numerical or string expression
Return Type
Returns the same value and type as its argument.
Example
The following example displays the use of ANY_VALUE function with the GROUP BY statement.
memsql> SELECT * FROM Emp;
+-------------------------------------------------------------+
| Name | City |
+-------------------------------------------------------------+
| Adam | Chicago |
| Tom | Chicago |
| Neil | Chicago |
| Jack | Norway |
| Mary | Norway |
| Sam | Chicago |
+-------------------------------------------------------------+
6 rows in set (28 ms)
memsql> SELECT ANY_VALUE(Name),City FROM Emp GROUP BY City;
+-------------------------------------------------------------+
| ANY_VALUE(Name) | City |
+-------------------------------------------------------------+
| Jack | Norway |
| Adam | Chicago |
+-------------------------------------------------------------+
2 rows in set (1.45 sec)
