lr(at)pcorp(dot)us writes:
> Let me know if you need more info or if this has already been fixed.
Hm, works OK for me:
regression=# SELECT string_agg(DISTINCT state, ',' ORDER BY state)
FROM string_agg_crash_test;
string_agg
-------------------
HI,IL,KS,MA,MA,NY
(1 row)
But I see no post-rc1 fixes that look like they might explain this.
regards, tom lane