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Fixed bug introduced with the copy-on-write friendly iteartor

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This commit is contained in:
antirez 2011-05-13 12:53:07 +02:00
parent cc8a0f898b
commit 430719ca53
1 changed files with 12 additions and 1 deletions
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13
src/t_zset.c
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@ -686,7 +686,18 @@ void zunionInterGenericCommand(redisClient *c, robj *dstkey, int op) {
score = src[0].weight * zunionInterDictValue(de);
for (j = 1; j < setnum; j++) {
dictEntry *other = dictFind(src[j].dict,dictGetEntryKey(de));
dictEntry *other;
/* If it's the same dictionary don't lookup as we are not
* in the context of a safe iterator. It's the same
* dictionary so we are sure the element is inside.
* This happens on SINTERSTORE dest 2 mykey mykey. */
if (src[j].dict == src[0].dict) {
other = de;
} else {
other = dictFind(src[j].dict,dictGetEntryKey(de));
}
if (other) {
value = src[j].weight * zunionInterDictValue(other);
zunionInterAggregate(&score,value,aggregate);