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Prevent NaN scores in sorted sets resulting from calls to ZUNIONSTORE and ZINTERSTORE.

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antirez
2011-12-23 09:27:31 +01:00
parent 2e689217d5
commit 0692d060b3
1 changed files with 3 additions and 0 deletions
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3
src/t_zset.c
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@ -1548,6 +1548,8 @@ void zunionInterGenericCommand(redisClient *c, robj *dstkey, int op) {
double score, value; double score, value;
score = src[0].weight * zval.score; score = src[0].weight * zval.score;
if (isnan(score)) score = 0;
for (j = 1; j < setnum; j++) { for (j = 1; j < setnum; j++) {
/* It is not safe to access the zset we are /* It is not safe to access the zset we are
* iterating, so explicitly check for equal object. */ * iterating, so explicitly check for equal object. */
@ -1590,6 +1592,7 @@ void zunionInterGenericCommand(redisClient *c, robj *dstkey, int op) {
/* Initialize score */ /* Initialize score */
score = src[i].weight * zval.score; score = src[i].weight * zval.score;
if (isnan(score)) score = 0;
/* Because the inputs are sorted by size, it's only possible /* Because the inputs are sorted by size, it's only possible
* for sets at larger indices to hold this element. */ * for sets at larger indices to hold this element. */