Help Center/ Data Lake Insight/ Spark SQL Syntax Reference/ Built-In Functions/ Mathematical Functions/ median
Updated on 2023-10-25 GMT+08:00
View PDF

median

This function is used to calculate the median of input parameters.

Syntax

median(colname)

Parameters

Table 1 Parameter

Parameter

Mandatory

Type

Description

colname

Yes

DOUBLE, DECIMAL, STRING, or BIGINT

Name of the column to be sorted

The elements in a column are of the DOUBLE type.

If an element in a column is not of the DOUBLE type, the system will implicitly convert it to the DOUBLE type for calculation.

Return Values

The return value is of the DOUBLE or DECIMAL type.

If the column name does not exist, an error is reported.

Example Code

Assume that the elements in the int_test column are 1, 2, 3, and 4 and they are of the INT type.

The value 2.5 is returned.

select median(int_test) FROM int_test;
Parent topic: Mathematical Functions