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Binbin authored
The SET and BITFIELD command were added `get_keys_function` in #10148, causing them to be wrongly marked movablekeys in `populateCommandMovableKeys`. This was an unintended side effect introduced in #10148 (7.0 RC1) which could cause some clients an extra round trip for these commands in cluster mode. Since we define movablekeys as a way to determine if the legacy range [first, last, step] doesn't find all keys, then we need a completely different approach. The right approach should be to check if the legacy range covers all key-specs, and if none of the key-specs have the INCOMPLETE flag. This way, we don't need to look at getkeys_proc of VARIABLE_FLAG at all. Probably with the exception of modules, who may still not be using key-specs. In this PR, we removed `populateCommandMovableKeys` and put its logic in `populateCommandLegacyRangeSpec`. In order to properly serve both old and new modules, we must probably keep relying CMD_MODULE_GETKEYS, but do that only for modules that don't declare key-specs. For ones that do, we need to take the same approach we take with native redis commands. This approach was proposed by Oran. Fixes #10833 Co-authored-by:
Oran Agra <oran@redislabs.com>
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