This function is used to sort input variables in ascending order and return the value at the position specified by nth.
Syntax
ordinal(bigint <nth>, <var1>, <var2>[,...])
Parameters
Parameter |
Mandatory |
Type |
Description |
|---|---|---|---|
nth |
Yes |
BIGINT |
Position value to be returned |
var |
Yes |
BIGINT, DOUBLE, DATETIME, or STRING |
Value to be sorted |
Return Values
The return value is of the DOUBLE or DECIMAL type.
- Value of the nth bit. If there are no implicit conversions, the return value has the same data type as the input parameter.
- If there are type conversions, DOUBLE is returned for the conversion between DOUBLE, BIGINT, and STRING, and DATETIME is returned for the conversion between STRING and DATETIME. Other implicit conversions are not allowed.
- NULL indicates the minimum value.
Example Code
The value 2 is returned.
select ordinal(3, 1, 3, 2, 5, 2, 4, 9);