ok, I just avoided it using sum(cnt::int) since cnt is small. 2017-11-15 00:25, Tom Lane: > Dingyuan Wang <gumb...@aosc.io> writes: >> PostgreSQL 10.0 on x86_64-pc-linux-gnu, compiled by gcc (Debian 7.2.0-8) >> 7.2.0, 64-bit >> >> (gdb) bt >> #0 int8_avg_combine (fcinfo=0x55bdb92472d8) at >> ./build/../src/backend/utils/adt/numeric.c:4285 > > I think this is the same issue being discussed at > > https://www.postgresql.org/message-id/flat/20171110185747.31519.28038%40wrigleys.postgresql.org > > regards, tom lane > >
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