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Implemented LIMIT option in ZRANGEBYSCORE. We now enter feature-freeze

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This commit is contained in:
antirez 2009-11-28 22:01:13 +01:00
parent d799af3119
commit 80181f7848
3 changed files with 22 additions and 2 deletions
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1
TODO
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@ -8,6 +8,7 @@ Most of the features already implemented for this release. The following is a li
* Man pages for SRANDMEMBER, missing Z-commands, ...
* Write docs for the "STORE" operaiton of SORT. Link to the article about SORT by written by defunkt.
* ZRANGEBYSCORE LIMIT option and test.
* check the command table for deny on OOM correctness.
VERSION 1.4 TODO (Hash type)
============================

2
redis-cli.c
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@ -97,7 +97,7 @@ static struct redisCommand cmdTable[] = {
{"zrem",3,REDIS_CMD_BULK},
{"zremrangebyscore",4,REDIS_CMD_INLINE},
{"zrange",4,REDIS_CMD_INLINE},
{"zrangebyscore",4,REDIS_CMD_INLINE},
{"zrangebyscore",-4,REDIS_CMD_INLINE},
{"zrevrange",4,REDIS_CMD_INLINE},
{"zcard",2,REDIS_CMD_INLINE},
{"zscore",3,REDIS_CMD_BULK},

21
redis.c
View File

@ -521,7 +521,7 @@ static struct redisCommand cmdTable[] = {
{"zrem",zremCommand,3,REDIS_CMD_BULK},
{"zremrangebyscore",zremrangebyscoreCommand,4,REDIS_CMD_INLINE},
{"zrange",zrangeCommand,4,REDIS_CMD_INLINE},
{"zrangebyscore",zrangebyscoreCommand,4,REDIS_CMD_INLINE},
{"zrangebyscore",zrangebyscoreCommand,-4,REDIS_CMD_INLINE},
{"zrevrange",zrevrangeCommand,4,REDIS_CMD_INLINE},
{"zcard",zcardCommand,2,REDIS_CMD_INLINE},
{"zscore",zscoreCommand,3,REDIS_CMD_BULK|REDIS_CMD_DENYOOM},
@ -4559,6 +4559,18 @@ static void zrangebyscoreCommand(redisClient *c) {
robj *o;
double min = strtod(c->argv[2]->ptr,NULL);
double max = strtod(c->argv[3]->ptr,NULL);
int offset = 0, limit = -1;
if (c->argc != 4 && c->argc != 7) {
addReplySds(c,sdsnew("-ERR wrong number of arguments\r\n"));
return;
} else if (c->argc == 7 && strcasecmp(c->argv[4]->ptr,"limit")) {
addReply(c,shared.syntaxerr);
return;
} else if (c->argc == 7) {
offset = atoi(c->argv[5]->ptr);
limit = atoi(c->argv[6]->ptr);
}
o = lookupKeyRead(c->db,c->argv[1]);
if (o == NULL) {
@ -4590,12 +4602,19 @@ static void zrangebyscoreCommand(redisClient *c) {
decrRefCount(lenobj);
while(ln && ln->score <= max) {
if (offset) {
offset--;
ln = ln->forward[0];
continue;
}
if (limit == 0) break;
ele = ln->obj;
addReplyBulkLen(c,ele);
addReply(c,ele);
addReply(c,shared.crlf);
ln = ln->forward[0];
rangelen++;
if (limit > 0) limit--;
}
lenobj->ptr = sdscatprintf(sdsempty(),"*%d\r\n",rangelen);
}