my mistake. I don't know that aggregate can also overload. problem solved....
On Thu, Apr 7, 2022 at 4:09 PM Pavel Stehule <pavel.steh...@gmail.com> wrote: > Hi > > čt 7. 4. 2022 v 12:30 odesílatel alias <postgres.ro...@gmail.com> napsal: > >> >> https://github.com/postgres/postgres/commit/97f73a978fc1aca59c6ad765548ce0096d95a923?diff=split >> >> https://dbfiddle.uk/?rdbms=postgres_14&fiddle=11a30590cb376a24df172198139d758e >> >> >> select version(); >> >> version >> >> >> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ >> PostgreSQL 15devel (Ubuntu >> 15~~devel~20220329.1030-1~680.git8cd7627.pgdg20.04+1) on >> x86_64-pc-linux-gnu, compiled by gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0, >> 64-bit >> (1 row) >> >> (END) >> ---------------- >> >> create or replace aggregate array_agg_mult(anycompatiblearray) ( >> sfunc = array_cat, >> stype = anycompatiblearray, >> initcond = '{}' >> ); >> SELECT array_agg_mult(i) >> FROM (VALUES (ARRAY[row(1,2),row(3,4)]), (ARRAY[row(5,6),row(7,8)])) as t(i); >> >> >> ERROR: 42725: function array_agg_mult(record[]) is not unique >> LINE 1: SELECT array_agg_mult(i) >> ^ >> HINT: Could not choose a best candidate function. You might need to add >> explicit type casts. >> LOCATION: ParseFuncOrColumn, parse_func.c:570 >> Time: 1.292 ms >> >> > I tested your code on my clean pg 15 without any problem > > Maybe you have an array_agg_mult with anyarray argument. If yes, then you > have to drop this aggregate function. > > Regards > > Pavel > > > > >> I installed postgresql 15, one week ago. >> How to solve the above mentioned problem. Or since it was solved last >> week, I need to update postgresql? >> >>