From ce1908874819044361f16c8976e1d883232fc265 Mon Sep 17 00:00:00 2001 From: jian he Date: Thu, 9 Oct 2025 19:12:12 +0800 Subject: [PATCH v9 07/19] error safe for casting macaddr8 to other types per pg_cast select castsource::regtype, casttarget::regtype, castfunc, castcontext,castmethod, pp.prosrc, pp.proname from pg_cast pc join pg_proc pp on pp.oid = pc.castfunc and pc.castfunc > 0 and castsource::regtype ='macaddr8'::regtype order by castsource::regtype; castsource | casttarget | castfunc | castcontext | castmethod | prosrc | proname ------------+------------+----------+-------------+------------+-------------------+--------- macaddr8 | macaddr | 4124 | i | f | macaddr8tomacaddr | macaddr (1 row) discussion: https://postgr.es/m/CADkLM=fv1JfY4Ufa-jcwwNbjQixNViskQ8jZu3Tz_p656i_4hQ@mail.gmail.com --- src/backend/utils/adt/mac8.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/backend/utils/adt/mac8.c b/src/backend/utils/adt/mac8.c index 08e41ba4eea..e2a7a90e42c 100644 --- a/src/backend/utils/adt/mac8.c +++ b/src/backend/utils/adt/mac8.c @@ -550,7 +550,8 @@ macaddr8tomacaddr(PG_FUNCTION_ARGS) result = (macaddr *) palloc0(sizeof(macaddr)); if ((addr->d != 0xFF) || (addr->e != 0xFE)) - ereport(ERROR, + { + errsave(fcinfo->context, (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE), errmsg("macaddr8 data out of range to convert to macaddr"), errhint("Only addresses that have FF and FE as values in the " @@ -558,6 +559,9 @@ macaddr8tomacaddr(PG_FUNCTION_ARGS) "xx:xx:xx:ff:fe:xx:xx:xx, are eligible to be converted " "from macaddr8 to macaddr."))); + PG_RETURN_NULL(); + } + result->a = addr->a; result->b = addr->b; result->c = addr->c; -- 2.34.1