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#include "redismodule.h"
/* ZSET.REM key element
*
* Removes an occurrence of an element from a sorted set. Replies with the
* number of removed elements (0 or 1).
*/
int zset_rem(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
if (argc != 3) return RedisModule_WrongArity(ctx);
RedisModule_AutoMemory(ctx);
int keymode = REDISMODULE_READ | REDISMODULE_WRITE;
RedisModuleKey *key = RedisModule_OpenKey(ctx, argv[1], keymode);
int deleted;
if (RedisModule_ZsetRem(key, argv[2], &deleted) == REDISMODULE_OK)
return RedisModule_ReplyWithLongLong(ctx, deleted);
else
return RedisModule_ReplyWithError(ctx, "ERR ZsetRem failed");
}
int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
if (RedisModule_Init(ctx, "zset", 1, REDISMODULE_APIVER_1) ==
REDISMODULE_OK &&
RedisModule_CreateCommand(ctx, "zset.rem", zset_rem, "write",
1, 1, 1) == REDISMODULE_OK)
return REDISMODULE_OK;
else
return REDISMODULE_ERR;
}
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