Median.sql

Starting with Postgres 9.4, use PERCENTILE_CONT instead

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Adds a median function to Postgres

Found on postgresonline.com in a comment by Mike.

SELECT median(n) FROM generate_series(1, 5, 1) n;
-- 3

SELECT median(n) FROM generate_series(1, 6, 1) n;
-- 3.5

SELECT median(n) FROM generate_series(1, 0) n;
-- NULL

Installation

Run this SQL