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