Even simpler, then...
select group_concat(distinct 1,',');
-----Original Message-----
From: petern
Simpler one line test case also parses incorrectly:
WITH t(c) AS (VALUES (1)) SELECT group_concat(DISTINCT c) FROM t;
"group_concat(DISTINCT c)"
1
WITH t(c) AS (VALUES (1)) SELECT group_concat(DISTINCT c,',') FROM t;
Error: DISTINCT aggregates must have exactly one argument
On Tue, Jan 2, 2018 at 12:36 PM, Tony Papadimitriou <[email protected]> wrote:
create table t(s);
insert into t values ('A'),('A'),('B');
select group_concat(s,', ') from t group by null; -- OK
select group_concat(distinct s) from t group by null; -- OK
select group_concat(distinct s,', ') from t group by null; -- ERROR
-- The moment the optional delimiter is given along with DISTINCT you get
this error:
-- Error: near line 6: DISTINCT aggregates must have exactly one argument
-- Thank you.
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