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ruanhaishen
redis
Commits
9dc79c03
Commit
9dc79c03
authored
Nov 17, 2017
by
antirez
Browse files
Streams: fix reverse iterator discarding of items out of range.
parent
6919280c
Changes
1
Hide whitespace changes
Inline
Side-by-side
src/t_stream.c
View file @
9dc79c03
...
@@ -597,11 +597,18 @@ int streamIteratorGetID(streamIterator *si, streamID *id, int64_t *numfields) {
...
@@ -597,11 +597,18 @@ int streamIteratorGetID(streamIterator *si, streamID *id, int64_t *numfields) {
}
}
}
}
/* If we do not emit, we have to discard. */
/* If we do not emit, we have to discard if we are going
int
to_discard
=
(
flags
&
STREAM_ITEM_FLAG_SAMEFIELDS
)
?
* forward, or seek the previous entry if we are going
*
numfields
:
*
numfields
*
2
;
* backward. */
for
(
int64_t
i
=
0
;
i
<
to_discard
;
i
++
)
if (!si->rev) {
si
->
lp_ele
=
lpNext
(
si
->
lp
,
si
->
lp_ele
);
int to_discard = (flags & STREAM_ITEM_FLAG_SAMEFIELDS) ?
*numfields : *numfields*2;
for (int64_t i = 0; i < to_discard; i++)
si->lp_ele = lpNext(si->lp,si->lp_ele);
} else {
int prev_times = 4; /* flag + id ms/seq diff + numfields. */
while(prev_times--) si->lp_ele = lpPrev(si->lp,si->lp_ele);
}
}
}
/* End of listpack reached. Try the next/prev radix tree node. */
/* End of listpack reached. Try the next/prev radix tree node. */
...
...
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