Function lookupCommandOrOriginal

app/redis-6.2.6/src/server.c:3553–3558

Lookup the command in the current table, if not found also check in * the original table containing the original command names unaffected by * redis.conf rename-command statement. * * This is used by functions rewriting the argument vector such as * rewriteClientCommandVector() in order to set client->cmd pointer * correctly even if the command was renamed. */

 * rewriteClientCommandVector() in order to set client->cmd pointer
 * correctly even if the command was renamed. */
struct redisCommand *lookupCommandOrOriginal(sds name) {
    struct redisCommand *cmd = dictFetchValue(server.commands, name);

    if (!cmd) cmd = dictFetchValue(server.orig_commands,name);
    return cmd;
}

/* Propagate the specified command (in the context of the specified database id)
 * to AOF and Slaves.