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Modules: zset iterator redesign #1.

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This commit is contained in:
antirez
2016-04-20 23:01:40 +02:00
parent d998170809
commit 083f5277c5
4 changed files with 75 additions and 105 deletions
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13
src/modules/helloworld.c
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@ -333,14 +333,13 @@ int HelloMoreExpire_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv,
* another time backward. The two scores, returned as a two element array,
* should match.*/
int HelloZsumRange_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
RedisModuleZsetRange zrange = REDISMODULE_ZSET_RANGE_INIT;
zrange.type = REDISMODULE_ZSET_RANGE_SCORE;
if (RedisModule_StringToDouble(argv[2],&zrange.score_start) != REDISMODULE_OK ||
RedisModule_StringToDouble(argv[3],&zrange.score_end) != REDISMODULE_OK)
double score_start, score_end;
if (RedisModule_StringToDouble(argv[2],&score_start) != REDISMODULE_OK ||
RedisModule_StringToDouble(argv[3],&score_end) != REDISMODULE_OK)
{
return RedisModule_ReplyWithError(ctx,"ERR invalid range");
}
zrange.flags = 0;
RedisModuleKey *key = RedisModule_OpenKey(ctx,argv[1],
REDISMODULE_READ|REDISMODULE_WRITE);
@ -351,7 +350,7 @@ int HelloZsumRange_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv, i
double scoresum_a = 0;
double scoresum_b = 0;
RedisModule_ZsetFirstInRange(key,&zrange);
RedisModule_ZsetFirstInScoreRange(key,score_start,score_end,0,0);
while(!RedisModule_ZsetRangeEndReached(key)) {
double score;
RedisModuleString *ele = RedisModule_ZsetRangeCurrentElement(key,&score);
@ -361,7 +360,7 @@ int HelloZsumRange_RedisCommand(RedisModuleCtx *ctx, RedisModuleString **argv, i
}
RedisModule_ZsetRangeStop(key);
RedisModule_ZsetLastInRange(key,&zrange);
RedisModule_ZsetLastInScoreRange(key,score_start,score_end,0,0);
while(!RedisModule_ZsetRangeEndReached(key)) {
double score;
RedisModuleString *ele = RedisModule_ZsetRangeCurrentElement(key,&score);