Fix incorrect print format in json.c

Oid is unsigned, so %u needs to be used and not %d.  The code path
involved here is not normally reachable, so no backpatch is done.

Author: Justin Pryzby
Discussion: https://postgr.es/m/20200728015523.GA27308@telsasoft.com

diff --git a/src/backend/utils/adt/json.c b/src/backend/utils/adt/json.c
index 641ae3fdf8e3a757edac8ecc556015193341fa98..a7a91b72f69b2f35b153c8408d5c6f55c2590320 100644 (file)
--- a/src/backend/utils/adt/json.c
+++ b/src/backend/utils/adt/json.c
@@ -458,7 +458,7 @@ JsonEncodeDateTime(char *buf, Datum value, Oid typid, const int *tzp)
            }
            break;
        default:
-           elog(ERROR, "unknown jsonb value datetime type oid %d", typid);
+           elog(ERROR, "unknown jsonb value datetime type oid %u", typid);
            return NULL;
    }