org.postgresql.util.PSQLException: ERROR: DISTINCT is not implemented for window functions
Question
This SQL
SELECT COUNT(DISTINCT(FOO)) over (PARTITION BY NULL) as bar
causes the error
org.postgresql.util.PSQLException: ERROR: DISTINCT is not implemented for window functions
There doesnt seem to be any answers to solving this error on stackoverflow.
1 answers
solution1
0 ACCPTED 2019-05-02 09:52:43
Fixed
Change the SQL to SELECT COUNT(FOO) over (PARTITION BY NULL) as bar
Postgres doesnt like having DISTINCT after COUNT and will treat DISTINCT as a function, when there isn't one.
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