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ruanhaishen
redis
Commits
4724548e
Commit
4724548e
authored
Jul 22, 2018
by
zhaozhao.zz
Committed by
antirez
Jul 24, 2018
Browse files
Streams: skip master fileds only when we are going forward in streamIteratorGetID
parent
4b79fdf1
Changes
1
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src/t_stream.c
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4724548e
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@@ -548,13 +548,16 @@ int streamIteratorGetID(streamIterator *si, streamID *id, int64_t *numfields) {
si->master_fields_count = lpGetInteger(si->lp_ele);
si->lp_ele = lpNext(si->lp,si->lp_ele); /* Seek first field. */
si->master_fields_start = si->lp_ele;
/* Skip master fileds to seek the first entry. */
for (uint64_t i = 0; i < si->master_fields_count; i++)
si->lp_ele = lpNext(si->lp,si->lp_ele);
/* We are now pointing the zero term of the master entry. If
/* We are now pointing the start filed of the master entry. If
* we are iterating in reverse order, we need to seek the
* end of the listpack. */
if (si->rev) si->lp_ele = lpLast(si->lp);
if (si->rev) {
si->lp_ele = lpLast(si->lp);
} else {
/* Skip master fileds to seek the first entry. */
for (uint64_t i = 0; i < si->master_fields_count; i++)
si->lp_ele = lpNext(si->lp,si->lp_ele);
}
} else if (si->rev) {
/* If we are itereating in the reverse order, and this is not
* the first entry emitted for this listpack, then we already
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