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Adds OBJECT help

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This commit is contained in:
Itamar Haber 2017-11-24 19:59:05 +02:00
parent b28fb3d753
commit 02d38f6b51
1 changed files with 18 additions and 3 deletions
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21
src/object.c
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@ -1012,11 +1012,25 @@ robj *objectCommandLookupOrReply(client *c, robj *key, robj *reply) {
}
/* Object command allows to inspect the internals of an Redis Object.
* Usage: OBJECT <refcount|encoding|idletime> <key> */
* Usage: OBJECT <refcount|encoding|idletime|freq> <key> */
void objectCommand(client *c) {
robj *o;
if (!strcasecmp(c->argv[1]->ptr,"refcount") && c->argc == 3) {
if (!strcasecmp(c->argv[1]->ptr,"help") && c->argc == 2) {
void *blenp = addDeferredMultiBulkLength(c);
int blen = 0;
blen++; addReplyStatus(c,
"OBJECT <subcommand> key. Subcommands:");
blen++; addReplyStatus(c,
"refcount -- Return the number of references of the value associated with the specified key.");
blen++; addReplyStatus(c,
"encoding -- Return the kind of internal representation used in order to store the value associated with a key.");
blen++; addReplyStatus(c,
"idletime -- Return the number of seconds since the object stored at the specified key is idle.");
blen++; addReplyStatus(c,
"freq -- Return the inverse logarithmic access frequency counter of the object stored at the specified key.");
setDeferredMultiBulkLength(c,blenp,blen);
} else if (!strcasecmp(c->argv[1]->ptr,"refcount") && c->argc == 3) {
if ((o = objectCommandLookupOrReply(c,c->argv[2],shared.nullbulk))
== NULL) return;
addReplyLongLong(c,o->refcount);
@ -1041,7 +1055,8 @@ void objectCommand(client *c) {
}
addReplyLongLong(c,o->lru&255);
} else {
addReplyError(c,"Syntax error. Try OBJECT (refcount|encoding|idletime|freq)");
addReplyErrorFormat(c, "Unknown subcommand or wrong number of arguments for '%s'. Try OBJECT help",
(char *)c->argv[1]->ptr);
}
}