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Streams: fix bug in XREAD last received ID processing.

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This commit is contained in:
antirez 2017-09-12 16:19:26 +02:00
parent 94af55c5ea
commit 1a603e1a87
1 changed files with 3 additions and 2 deletions
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5
src/t_stream.c
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@ -524,9 +524,9 @@ void xreadCommand(client *c) {
/* Specifying "$" as last-known-id means that the client wants to be /* Specifying "$" as last-known-id means that the client wants to be
* served with just the messages that will arrive into the stream * served with just the messages that will arrive into the stream
* starting from now. */ * starting from now. */
int id_idx = i - streams_arg - streams_count;
if (strcmp(c->argv[i]->ptr,"$") == 0) { if (strcmp(c->argv[i]->ptr,"$") == 0) {
robj *o = lookupKeyRead(c->db,c->argv[i-streams_count]); robj *o = lookupKeyRead(c->db,c->argv[i-streams_count]);
int id_idx = i - streams_arg - streams_count;
if (o) { if (o) {
stream *s = o->ptr; stream *s = o->ptr;
ids[id_idx] = s->last_id; ids[id_idx] = s->last_id;
@ -536,7 +536,8 @@ void xreadCommand(client *c) {
} }
continue; continue;
} }
if (streamParseIDOrReply(c,c->argv[i],ids+i,0) != C_OK) goto cleanup; if (streamParseIDOrReply(c,c->argv[i],ids+id_idx,0) != C_OK)
goto cleanup;
} }
/* Try to serve the client synchronously. */ /* Try to serve the client synchronously. */