OpenAtomFoundation / pika

Pika is a Redis-Compatible database developed by Qihoo's infrastructure team.
BSD 3-Clause "New" or "Revised" License
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fix:ttl will deafult 0 when keys have ttl #2739

Closed chejinge closed 2 weeks ago

chejinge commented 2 weeks ago

Summary by CodeRabbit

coderabbitai[bot] commented 2 weeks ago

Walkthrough

The recent refactor in the Redis class for managing TTL (time-to-live) values in src/storage/src/redis_strings.cc has simplified and improved efficiency. The previously compartmentalized logic for handling TTL values has been integrated directly into the GetWithTTL and MGetWithTTL functions, resulting in the removal of several standalone utility functions and a more streamlined approach to clearing values and handling data staleness.

Changes

Files Change Summary
src/storage/src/redis_strings.cc Removed HandleParsedStringsValue, and integrated its logic into GetWithTTL and MGetWithTTL.
Removed ClearValueAndSetTTL and CalculateTTL functions.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant Redis
    participant Storage

    Client->>Redis: GetWithTTL(key)
    Redis->>Storage: Retrieve data for key
    Storage-->>Redis: Return data with expiry time
    Redis->>Redis: Calculate TTL and check staleness
    alt Data is fresh
        Redis-->>Client: Return data with TTL
    else Data is stale
        Redis-->>Client: Return empty with TTL
    end

    Client->>Redis: MGetWithTTL(key1, key2)
    Redis->>Storage: Retrieve data for keys
    Storage-->>Redis: Return data with expiry times
    Redis->>Redis: Calculate TTLs and check staleness
    alt Data is fresh
        Redis-->>Client: Return data with TTLs
    else Data is stale
        Redis-->>Client: Return empty with TTLs
    end

Poem

In the realms of Redis, where data resides,
TTLs dance and quietly bides.
We streamlined the flow, made it all neat,
With functions integrated, no mess at your feet.
Stale data now promptly swept away,
Efficient, precise, in Redis we sway.
🐇✨


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