From 51e40d5a0ab1e41df990d86575a1734e9954f94f Mon Sep 17 00:00:00 2001 From: jian he Date: Thu, 9 Oct 2025 16:38:37 +0800 Subject: [PATCH v8 09/20] error safe for casting bigint 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 = 'bigint'::regtype order by castsource::regtype; castsource | casttarget | castfunc | castcontext | castmethod | prosrc | proname ------------+------------------+----------+-------------+------------+--------------+--------- bigint | smallint | 714 | a | f | int82 | int2 bigint | integer | 480 | a | f | int84 | int4 bigint | real | 652 | i | f | i8tof | float4 bigint | double precision | 482 | i | f | i8tod | float8 bigint | numeric | 1781 | i | f | int8_numeric | numeric bigint | money | 3812 | a | f | int8_cash | money bigint | oid | 1287 | i | f | i8tooid | oid bigint | regproc | 1287 | i | f | i8tooid | oid bigint | regprocedure | 1287 | i | f | i8tooid | oid bigint | regoper | 1287 | i | f | i8tooid | oid bigint | regoperator | 1287 | i | f | i8tooid | oid bigint | regclass | 1287 | i | f | i8tooid | oid bigint | regcollation | 1287 | i | f | i8tooid | oid bigint | regtype | 1287 | i | f | i8tooid | oid bigint | regconfig | 1287 | i | f | i8tooid | oid bigint | regdictionary | 1287 | i | f | i8tooid | oid bigint | regrole | 1287 | i | f | i8tooid | oid bigint | regnamespace | 1287 | i | f | i8tooid | oid bigint | regdatabase | 1287 | i | f | i8tooid | oid bigint | bytea | 6369 | e | f | int8_bytea | bytea bigint | bit | 2075 | e | f | bitfromint8 | bit (21 rows) already error safe: i8tof, i8tod, int8_numeric, int8_bytea, bitfromint8 discussion: https://postgr.es/m/CADkLM=fv1JfY4Ufa-jcwwNbjQixNViskQ8jZu3Tz_p656i_4hQ@mail.gmail.com --- src/backend/utils/adt/int8.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/src/backend/utils/adt/int8.c b/src/backend/utils/adt/int8.c index bdea490202a..3b2d100be92 100644 --- a/src/backend/utils/adt/int8.c +++ b/src/backend/utils/adt/int8.c @@ -1204,10 +1204,14 @@ int84(PG_FUNCTION_ARGS) int64 arg = PG_GETARG_INT64(0); if (unlikely(arg < PG_INT32_MIN) || unlikely(arg > PG_INT32_MAX)) - ereport(ERROR, + { + errsave(fcinfo->context, (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE), errmsg("integer out of range"))); + PG_RETURN_NULL(); + } + PG_RETURN_INT32((int32) arg); } @@ -1225,10 +1229,14 @@ int82(PG_FUNCTION_ARGS) int64 arg = PG_GETARG_INT64(0); if (unlikely(arg < PG_INT16_MIN) || unlikely(arg > PG_INT16_MAX)) - ereport(ERROR, + { + errsave(fcinfo->context, (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE), errmsg("smallint out of range"))); + PG_RETURN_NULL(); + } + PG_RETURN_INT16((int16) arg); } @@ -1308,10 +1316,14 @@ i8tooid(PG_FUNCTION_ARGS) int64 arg = PG_GETARG_INT64(0); if (unlikely(arg < 0) || unlikely(arg > PG_UINT32_MAX)) - ereport(ERROR, + { + errsave(fcinfo->context, (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE), errmsg("OID out of range"))); + PG_RETURN_NULL(); + } + PG_RETURN_OID((Oid) arg); } -- 2.34.1