cartodb-postgresql/test/CDB_JenksBinsTest.sql
2018-09-10 15:42:54 +02:00

31 lines
798 B
SQL

WITH data AS (
SELECT Array[0.99, 1.0, 1.01,
4.99, 5.01,
10.01, 10.01,
15.01, 14.99,
20.1, 19.9]::numeric[] AS s
)
SELECT unnest(CDB_JenksBins(s, 5)) FROM data;
WITH data_nulls AS (
SELECT Array[0.99, 1.0, 1.01,
4.99, 5.01,
null, null,
10.01, 10.01,
15.01, 14.99,
null, null,
20.1, 19.9]::numeric[] AS s
)
SELECT unnest(CDB_JenksBins(s, 5)) FROM data_nulls;
WITH data_inverse AS (
SELECT Array[0.99, 1.0, 1.01,
4.99, 5.01,
10.01, 10.01,
15.01, 14.99,
20.1, 19.9]::numeric[] AS s
)
SELECT unnest(CDB_JenksBins(s, 5, 0, true)) FROM data_inverse;