Max limit to 10k clients removed, this implements feature request on issue #194

[redis.git] / src / t_set.c

diff --git a/src/t_set.c b/src/t_set.c
index 138a2f8de28888d7c853be841f5b83221701a8db..3cf1cf005ae7f79d2b919e036d3ceeaf17ce1fc4 100644 (file)
--- a/src/t_set.c
+++ b/src/t_set.c
@@ -37,7 +37,7 @@ int setTypeAdd(robj *subject, robj *value) {
 
             /* The set *was* an intset and this value is not integer
              * encodable, so dictAdd should always work. */
-            redisAssert(dictAdd(subject->ptr,value,NULL) == DICT_OK);
+            redisAssertWithInfo(NULL,value,dictAdd(subject->ptr,value,NULL) == DICT_OK);
             incrRefCount(value);
             return 1;
         }
@@ -115,7 +115,7 @@ int setTypeNext(setTypeIterator *si, robj **objele, int64_t *llele) {
     if (si->encoding == REDIS_ENCODING_HT) {
         dictEntry *de = dictNext(si->di);
         if (de == NULL) return -1;
-        *objele = dictGetEntryKey(de);
+        *objele = dictGetKey(de);
     } else if (si->encoding == REDIS_ENCODING_INTSET) {
         if (!intsetGet(si->subject->ptr,si->ii++,llele))
             return -1;
@@ -165,7 +165,7 @@ robj *setTypeNextObject(setTypeIterator *si) {
 int setTypeRandomElement(robj *setobj, robj **objele, int64_t *llele) {
     if (setobj->encoding == REDIS_ENCODING_HT) {
         dictEntry *de = dictGetRandomKey(setobj->ptr);
-        *objele = dictGetEntryKey(de);
+        *objele = dictGetKey(de);
     } else if (setobj->encoding == REDIS_ENCODING_INTSET) {
         *llele = intsetRandom(setobj->ptr);
     } else {
@@ -189,8 +189,8 @@ unsigned long setTypeSize(robj *subject) {
  * set. */
 void setTypeConvert(robj *setobj, int enc) {
     setTypeIterator *si;
-    redisAssert(setobj->type == REDIS_SET &&
-                setobj->encoding == REDIS_ENCODING_INTSET);
+    redisAssertWithInfo(NULL,setobj,setobj->type == REDIS_SET &&
+                             setobj->encoding == REDIS_ENCODING_INTSET);
 
     if (enc == REDIS_ENCODING_HT) {
         int64_t intele;
@@ -204,7 +204,7 @@ void setTypeConvert(robj *setobj, int enc) {
         si = setTypeInitIterator(setobj);
         while (setTypeNext(si,NULL,&intele) != -1) {
             element = createStringObjectFromLongLong(intele);
-            redisAssert(dictAdd(d,element,NULL) == DICT_OK);
+            redisAssertWithInfo(NULL,element,dictAdd(d,element,NULL) == DICT_OK);
         }
         setTypeReleaseIterator(si);
 
@@ -242,19 +242,25 @@ void saddCommand(redisClient *c) {
 
 void sremCommand(redisClient *c) {
     robj *set;
+    int j, deleted = 0;
 
     if ((set = lookupKeyWriteOrReply(c,c->argv[1],shared.czero)) == NULL ||
         checkType(c,set,REDIS_SET)) return;
 
-    c->argv[2] = tryObjectEncoding(c->argv[2]);
-    if (setTypeRemove(set,c->argv[2])) {
-        if (setTypeSize(set) == 0) dbDelete(c->db,c->argv[1]);
+    for (j = 2; j < c->argc; j++) {
+        if (setTypeRemove(set,c->argv[j])) {
+            deleted++;
+            if (setTypeSize(set) == 0) {
+                dbDelete(c->db,c->argv[1]);
+                break;
+            }
+        }
+    }
+    if (deleted) {
         signalModifiedKey(c->db,c->argv[1]);
-        server.dirty++;
-        addReply(c,shared.cone);
-    } else {
-        addReply(c,shared.czero);
+        server.dirty += deleted;
     }
+    addReplyLongLong(c,deleted);
 }
 
 void smoveCommand(redisClient *c) {
@@ -326,7 +332,7 @@ void scardCommand(redisClient *c) {
 }
 
 void spopCommand(redisClient *c) {
-    robj *set, *ele;
+    robj *set, *ele, *aux;
     int64_t llele;
     int encoding;
 
@@ -342,16 +348,11 @@ void spopCommand(redisClient *c) {
         setTypeRemove(set,ele);
     }
 
-    /* Change argv to replicate as SREM */
-    c->argc = 3;
-    c->argv = zrealloc(c->argv,sizeof(robj*)*(c->argc));
-
-    /* Overwrite SREM with SPOP (same length) */
-    redisAssert(sdslen(c->argv[0]->ptr) == 4);
-    memcpy(c->argv[0]->ptr, "SREM", 4);
-
-    /* Popped element already has incremented refcount */
-    c->argv[2] = ele;
+    /* Replicate/AOF this command as an SREM operation */
+    aux = createStringObject("SREM",4);
+    rewriteClientCommandVector(c,3,aux,c->argv[1],ele);
+    decrRefCount(ele);
+    decrRefCount(aux);
 
     addReplyBulk(c,ele);
     if (setTypeSize(set) == 0) dbDelete(c->db,c->argv[1]);
@@ -434,6 +435,7 @@ void sinterGenericCommand(redisClient *c, robj **setkeys, unsigned long setnum,
     si = setTypeInitIterator(sets[0]);
     while((encoding = setTypeNext(si,&eleobj,&intobj)) != -1) {
         for (j = 1; j < setnum; j++) {
+            if (sets[j] == sets[0]) continue;
             if (encoding == REDIS_ENCODING_INTSET) {
                 /* intset with intset is simple... and fast */
                 if (sets[j]->encoding == REDIS_ENCODING_INTSET &&