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feat: add hash commands #26

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Merged
kacy merged 3 commits into from
Feb 6, 2026
Merged

feat: add hash commands #26

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fa83dc8
feat: add hash data type with HSET, HGET, HGETALL, HDEL, HEXISTS, HLE…
kacy Feb 6, 2026
1aa0019
docs: add hash commands to readme
kacy Feb 6, 2026
b965e1a
style: apply cargo fmt
kacy Feb 6, 2026
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7 changes: 7 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ a low-latency, memory-efficient, distributed cache written in Rust. designed to
- **string commands** — GET, SET (with NX/XX/EX/PX), MGET, MSET, INCR, DECR
- **list operations** — LPUSH, RPUSH, LPOP, RPOP, LRANGE, LLEN
- **sorted sets** — ZADD (with NX/XX/GT/LT/CH), ZREM, ZSCORE, ZRANK, ZRANGE, ZCARD
- **hashes** — HSET, HGET, HGETALL, HDEL, HEXISTS, HLEN, HINCRBY, HKEYS, HVALS, HMGET
- **key commands** — DEL, EXISTS, EXPIRE, TTL, PEXPIRE, PTTL, PERSIST, TYPE, SCAN
- **server commands** — PING, ECHO, INFO, DBSIZE, FLUSHDB, BGSAVE, BGREWRITEAOF
- **sharded engine** — shared-nothing, thread-per-core design with no cross-shard locking
Expand Down Expand Up @@ -64,6 +65,12 @@ redis-cli ZADD board 100 alice 200 bob
redis-cli ZRANGE board 0 -1 WITHSCORES
redis-cli ZCARD board # => (integer) 2

# hashes
redis-cli HSET user:1 name alice age 30
redis-cli HGET user:1 name # => "alice"
redis-cli HGETALL user:1 # => 1) "name" 2) "alice" 3) "age" 4) "30"
redis-cli HINCRBY user:1 age 1 # => (integer) 31

# iteration
redis-cli SCAN 0 MATCH "user:*" COUNT 100
redis-cli DBSIZE # => (integer) 6
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