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Modules: zset lex iterator #3.

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This commit is contained in:
antirez
2016-04-21 11:45:52 +02:00
parent db3ade22eb
commit 00109e1113
3 changed files with 49 additions and 3 deletions
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10
src/module.c
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@ -520,7 +520,7 @@ int RM_ReplyWithSimpleString(RedisModuleCtx *ctx, const char *msg) {
* of the array.
*
* The function always returns REDISMODULE_OK. */
int RM_ReplyWithArray(RedisModuleCtx *ctx, int len) {
int RM_ReplyWithArray(RedisModuleCtx *ctx, long len) {
addReplyMultiBulkLen(ctx->client,len);
return REDISMODULE_OK;
}
@ -1186,7 +1186,6 @@ int zsetInitLexRange(RedisModuleKey *key, RedisModuleString *min, RedisModuleStr
if (!key->value || key->value->type != OBJ_ZSET) return REDISMODULE_ERR;
RM_ZsetRangeStop(key);
key->ztype = REDISMODULE_ZSET_RANGE_LEX;
key->zer = 0;
/* Setup the range structure used by the sorted set core implementation
@ -1194,6 +1193,10 @@ int zsetInitLexRange(RedisModuleKey *key, RedisModuleString *min, RedisModuleStr
zlexrangespec *zlrs = &key->zlrs;
if (zslParseLexRange(min, max, zlrs) == C_ERR) return REDISMODULE_ERR;
/* Set the range type to lex only after successfully parsing the range,
* otherwise we don't want the zlexrangespec to be freed. */
key->ztype = REDISMODULE_ZSET_RANGE_LEX;
if (key->value->encoding == OBJ_ENCODING_ZIPLIST) {
key->zcurrent = first ? zzlFirstInLexRange(key->value->ptr,zlrs) :
zzlLastInLexRange(key->value->ptr,zlrs);
@ -1206,6 +1209,7 @@ int zsetInitLexRange(RedisModuleKey *key, RedisModuleString *min, RedisModuleStr
serverPanic("Unsupported zset encoding");
}
if (key->zcurrent == NULL) key->zer = 1;
return REDISMODULE_OK;
}
@ -1838,6 +1842,8 @@ void moduleRegisterCoreAPI(void) {
REGISTER_API(ZsetRangeStop);
REGISTER_API(ZsetFirstInScoreRange);
REGISTER_API(ZsetLastInScoreRange);
REGISTER_API(ZsetFirstInLexRange);
REGISTER_API(ZsetLastInLexRange);
REGISTER_API(ZsetRangeCurrentElement);
REGISTER_API(ZsetRangeNext);
REGISTER_API(ZsetRangePrev);