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This is a rebased version of #3078 originally by shaharmor with the following patches by TysonAndre made after rebasing to work with the updated C API: 1. Add 2 more unit tests (wrong argument count error message, integer over 64 bits) 2. Use addReplyArrayLen instead of addReplyMultiBulkLen. 3. Undo changes to src/help.h - for the ZMSCORE PR, I heard those should instead be automatically generated from the redis-doc repo if it gets updated Motivations: - Example use case: Client code to efficiently check if each element of a set of 1000 items is a member of a set of 10 million items. (Similar to reasons for working on #7593) - HMGET and ZMSCORE already exist. This may lead to developers deciding to implement functionality that's best suited to a regular set with a data type of sorted set or hash map instead, for the multi-get support. Currently, multi commands or lua scripting to call sismember multiple times would almost definitely be less efficient than a native smismember for the following reasons: - Need to fetch the set from the string every time instead of reusing the C pointer. - Using pipelining or multi-commands would result in more bytes sent and received by the client for the repeated SISMEMBER KEY sections. - Need to specially encode the data and decode it from the client for lua-based solutions. - Proposed solutions using Lua or SADD/SDIFF could trigger writes to memory, which is undesirable on a redis replica server or when commands get replicated to replicas. Co-Authored-By: Shahar Mor <shahar@peer5.com> Co-Authored-By: Tyson Andre <tysonandre775@hotmail.com> |
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| test_helper.tcl | ||