Skip expiry check when now=0 for valkey-check-rdb

Signed-off-by: Hanxi Zhang <hanxizh@amazon.com>

Author: hanxizh9910

src/rdb.c

@@ -2246,7 +2246,7 @@ robj *rdbLoadObject(int rdbtype, rio *rdb, sds key, int dbid, int *error, int rd
 
             /* If this is a non-preamble RDB being loaded on the primary, and this
              * field is already expired relative to 'now', skip it. */
-            if (iAmPrimary() && !(rdbflags & RDBFLAGS_AOF_PREAMBLE) &&
+            if (iAmPrimary() && !(rdbflags & RDBFLAGS_AOF_PREAMBLE) && now != 0 &&
                 itemexpiry != EXPIRY_NONE && itemexpiry < now) {
                 /* Emit HDEL to replicas. */
                 if ((rdbflags & RDBFLAGS_FEED_REPL) && server.repl_backlog) {

src/valkey-check-rdb.c

@@ -788,7 +788,7 @@ int redis_check_rdb(char *rdbfilename, FILE *fp) {
         rdbstate.keys++;
         /* Read value */
         rdbstate.doing = RDB_CHECK_DOING_READ_OBJECT_VALUE;
-        if ((val = rdbLoadObject(type, &rdb, objectGetVal(key), selected_dbid, NULL, RDBFLAGS_NONE, now)) == NULL) goto eoferr;
+        if ((val = rdbLoadObject(type, &rdb, objectGetVal(key), selected_dbid, NULL, RDBFLAGS_NONE, 0)) == NULL) goto eoferr;
         if (rdbCheckStats) {
             int max_stats_num = (rdbstate.databases + 1) * OBJ_TYPE_MAX;
             if (max_stats_num > rdbstate.stats_num) {