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zeekay
6994cf05aa
We do not use Redis. The client was a go-redis fork and still said so
everywhere: `package redis`, `redis.NewClient`, `redis://`, `extra/redisotel`.
Consumers wrote `redis.Client` against a Valkey-backed store called KV.
package redis -> package kv (93 decls)
redis.X -> kv.X (2,794 call sites)
"redis: …" errors -> "kv: …" (206)
extra/redis{otel,cmd,prometheus,census} -> extra/kv{otel,cmd,prometheus,census}
redis:// , rediss:// -> kv:// , kvs:// (ParseURL)
Redis*/*Redis* idents -> KV*/*KV*
REDIS_VERSION, REDIS_ENDPOINTS_CONFIG_PATH -> KV_*
I previously argued this rename was unsafe because much of it was "wire
contract". That was wrong, and the categorisation shows why: RESP command names
are GET/SET/HSET — they never contain the word. Of 5,771 occurrences only two
kinds were server-visible at all: the ParseURL scheme (we choose what we pass;
our configs already use kv://) and the CLIENT SETINFO lib-name label, which the
server merely records. Nothing here changes a byte of protocol.
Two things deliberately keep the old spelling:
RediSearch — names a specific external module the FT.* commands map to.
StoreDist — contains the letters by accident (sto-reDis-t), not the word.
Breaking for consumers by design: every import site must move redis.X -> kv.X.
Minor bump, never a major — this module stays v9 forever.
67 lines
1019 B
Go
67 lines
1019 B
Go
package main
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import (
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"context"
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"fmt"
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"github.com/hanzokv/go/v9"
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)
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func main() {
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ctx := context.Background()
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rdb := kv.NewClient(&kv.Options{
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Addr: ":6379",
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})
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_ = rdb.FlushDB(ctx).Err()
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fmt.Printf("# INCR BY\n")
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for _, change := range []int{+1, +5, 0} {
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num, err := incrBy.Run(ctx, rdb, []string{"my_counter"}, change).Int()
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if err != nil {
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panic(err)
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}
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fmt.Printf("incr by %d: %d\n", change, num)
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}
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fmt.Printf("\n# SUM\n")
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sum, err := sum.Run(ctx, rdb, []string{"my_sum"}, 1, 2, 3).Int()
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if err != nil {
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panic(err)
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}
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fmt.Printf("sum is: %d\n", sum)
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}
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var incrBy = kv.NewScript(`
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local key = KEYS[1]
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local change = ARGV[1]
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local value = kv.call("GET", key)
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if not value then
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value = 0
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end
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value = value + change
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kv.call("SET", key, value)
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return value
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`)
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var sum = kv.NewScript(`
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local key = KEYS[1]
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local sum = kv.call("GET", key)
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if not sum then
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sum = 0
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end
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local num_arg = #ARGV
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for i = 1, num_arg do
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sum = sum + ARGV[i]
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end
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kv.call("SET", key, sum)
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return sum
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`)
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