fix:ttl will deafult 0 when keys have ttl #2730
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WalkthroughA new feature to retrieve multiple key-value pairs with associated TTL (time-to-live) information has been added to both Changes
Sequence DiagramssequenceDiagram
participant Client
participant Redis
participant Storage
Client->>Redis: MGetWithTTL(key, value*, ttl*)
Redis->>Storage: MGetWithTTL(key, value*, ttl*)
Storage-->>Redis: value, ttl
Redis-->>Client: value, ttl
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Review profile: CHILL
Files selected for processing (1)
- src/pika_kv.cc (1 hunks)
Additional comments not posted (2)
src/pika_kv.cc (2)
536-536: Review the implementation ofMGetWithTTLto ensure it handles all edge cases.#!/bin/bash # Description: Verify the implementation of `MGetWithTTL` method in the storage interface. # Test: Search for the implementation of `MGetWithTTL`. Expect: Proper handling of edge cases. ast-grep --lang cpp --pattern $'class Storage { $$$ MGetWithTTL($_, $_) { $$$ } $$$ }'
536-536: Ensure all calls toMGetWithTTLcorrectly handle the additional TTL information in their implementations.#!/bin/bash # Description: Verify that all parts of the codebase that call `MGetWithTTL` handle the TTL information correctly. # Test: Search for usage of `MGetWithTTL`. Expect: Proper handling of TTL. rg --type cpp $'MGetWithTTL'
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Actionable comments posted: 1
Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files selected for processing (4)
- src/storage/include/storage/storage.h (1 hunks)
- src/storage/src/redis.h (1 hunks)
- src/storage/src/redis_strings.cc (1 hunks)
- src/storage/src/storage.cc (2 hunks)
Additional comments not posted (4)
src/storage/src/redis.h (1)
159-159: The methodMGetWithTTLcorrectly adheres to the method signature mentioned in the AI-generated summary. However, it's essential to ensure that this method is correctly implemented in the corresponding.ccfile and that it integrates effectively with other parts of the system.Verification successful
The method
MGetWithTTLis correctly implemented insrc/storage/src/redis_strings.ccand is actively used across different parts of the system. This confirms that it is well-integrated.
src/storage/src/redis_strings.cc: Implementation ofMGetWithTTL.src/pika_kv.cc: Usage ofMGetWithTTL.src/storage/src/storage.cc: Multiple references toMGetWithTTL.src/storage/include/storage/storage.h: Declaration ofMGetWithTTL.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Ensure the correct implementation and integration of `MGetWithTTL`. # Test: Search for method implementation in `redis_strings.cc`. rg --type cpp "Status Redis::MGetWithTTL" src/storage/src/redis_strings.cc # Test: Search for usage of this method in the codebase to ensure it's being used correctly. rg --type cpp "MGetWithTTL" --glob '!src/storage/src/redis.h'Length of output: 1046
src/storage/include/storage/storage.h (1)
1117-1117: The methodMGetWithTTLis correctly declared and aligns with the PR's objectives. Ensure the implementation correctly handles edge cases such as non-existing keys and keys without a set TTL.Verification successful
The
MGetWithTTLmethod inredis_strings.cccorrectly handles edge cases such as non-existing keys, stale keys, and keys without TTL. Here are the relevant details:
- Clears the value and sets
ttlto-2for non-existing or stale keys.- Sets
ttlto-1for keys without TTL.- Handles current time calculation for TTL.
Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify edge case handling in the implementation of `MGetWithTTL`. # Test: Search for the function implementation and look for edge case handling. Expect: Proper checks and handling for non-existing keys and keys without TTL. rg --type cpp $'Status Storage::MGetWithTTL'Length of output: 280
Script:
#!/bin/bash # Extract the implementation of the `MGetWithTTL` functions for analysis. rg --type cpp --context 20 'Status Storage::MGetWithTTL' src/storage/src/storage.ccLength of output: 2507
Script:
#!/bin/bash # Extract the implementation of `inst->MGetWithTTL` for analysis. rg --type cpp --context 20 'Status DBInstance::MGetWithTTL' src/storage/src/storage.ccLength of output: 88
Script:
#!/bin/bash # Use ast-grep to locate the `MGetWithTTL` method within the `DBInstance` class or any related class. ast-grep --lang cpp --pattern $'class DBInstance { $$$ Status MGetWithTTL($_, $_, $_) { $$$ } $$$ }'Length of output: 458
Script:
#!/bin/bash # Use rg to search for all occurrences of `MGetWithTTL` in the codebase. rg --type cpp 'MGetWithTTL'Length of output: 953
Script:
#!/bin/bash # Extract the implementation of the `MGetWithTTL` method from `redis_strings.cc` for analysis. rg --type cpp --context 20 'Status Redis::MGetWithTTL' src/storage/src/redis_strings.ccLength of output: 1229
src/storage/src/storage.cc (2)
158-160: The implementation ofMGetWithTTLmethod looks correct and aligns with the intended functionality to fetch multiple keys with their TTL.
216-216: Verify the implementation ofMGetWithTTLin theRedisclass to ensure it handles the logic as expected.Verification successful
The
MGetWithTTLmethod is implemented insrc/storage/src/redis_strings.ccand is referenced in several files, includingsrc/storage/src/storage.ccandsrc/storage/src/redis.h. This confirms that the method is properly defined and utilized within the codebase.
src/storage/src/redis_strings.cc: Contains the implementation ofMGetWithTTL.src/storage/src/storage.cc: Contains calls toMGetWithTTL.src/storage/src/redis.h: Contains the method declaration.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the `MGetWithTTL` method implementation in the Redis class. # Test: Search for the method implementation in the Redis class. ast-grep --lang cpp --pattern $'class Redis { $$$ MGetWithTTL($_, $_, $_) { $$$ } $$$ }'Length of output: 434
Script:
#!/bin/bash # Description: Broaden the search for the `MGetWithTTL` method implementation in the Redis class. # Test: Search for any method named `MGetWithTTL` in C++ files. rg --glob '*.cpp' --glob '*.h' 'MGetWithTTL'Length of output: 383
Script:
#!/bin/bash # Description: Locate and review the implementations of the `MGetWithTTL` method. # Test: Search for the implementation of the `MGetWithTTL` method in C++ files. rg --glob '*.cpp' 'MGetWithTTL'Length of output: 180
Script:
#!/bin/bash # Description: Debug the search for the implementation of the `MGetWithTTL` method. # Test: Re-run the `rg` command with debugging enabled to understand why files are being skipped. rg --glob '*.cpp' 'MGetWithTTL' --debugLength of output: 388654
Script:
#!/bin/bash # Description: Locate and review the implementations of the `MGetWithTTL` method without using any glob patterns. # Test: Search for the implementation of the `MGetWithTTL` method in all files. rg 'MGetWithTTL'Length of output: 942
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Actionable comments posted: 2
Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files selected for processing (1)
- src/storage/src/redis_strings.cc (1 hunks)
Additional comments not posted (3)
src/storage/src/redis_strings.cc (3)
371-381: Review error handling and data consistency inHandleParsedStringsValue.The function
HandleParsedStringsValueclears the value and sets TTL directly. Verify that this handling is consistent with the business logic, especially for stale or expired keys.Verification successful
The handling of clearing values and setting TTL directly in
HandleParsedStringsValueis consistent with the business logic in the contexts where it is used. Both occurrences of the function call ensure that stale keys are appropriately handled by clearing the value and setting the TTL.
- Located in
src/storage/src/redis_strings.cc:
- Within an unnamed function.
- Within the
MGetWithTTLmethod of theRedisclass.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify that clearing values and setting TTL directly in HandleParsedStringsValue is consistent across the application. # Test: Search for usage of HandleParsedStringsValue in other parts of the application. rg --type cpp 'HandleParsedStringsValue'Length of output: 391
Script:
#!/bin/bash # Extract and analyze the context around the calls to `HandleParsedStringsValue` in `src/storage/src/redis_strings.cc` rg -A 10 -B 10 'HandleParsedStringsValue' src/storage/src/redis_strings.ccLength of output: 2040
388-405: Check error handling consistency inGetWithTTL.The function
GetWithTTLuses a pattern of error handling that should be consistent across similar functions. Verify this consistency to ensure uniform behavior across the application.Verification successful
The search for
Status::InvalidArgumentacross the codebase has yielded numerous instances, including in files such asredis_strings.cc,redis_streams.cc, and others. This indicates that the pattern of usingStatus::InvalidArgumentfor error handling is indeed consistent across various parts of the codebase.
- Instances of
Status::InvalidArgumentwith similar error messages were found in multiple files, confirming consistent error handling practices.Locations in the codebase:
src/storage/src/redis_strings.ccsrc/storage/src/redis_streams.ccsrc/storage/src/redis_lists.ccsrc/storage/src/redis_zsets.ccsrc/storage/src/redis_hashes.ccsrc/storage/src/redis_sets.ccScripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for consistent error handling in similar functions. # Test: Search for similar patterns in other TTL related functions. rg --type cpp 'Status::InvalidArgument("WRONGTYPE'Length of output: 161
Script:
#!/bin/bash # Description: Check for consistent error handling in similar functions. # Test: Search for similar patterns in other TTL related functions. rg --type cpp 'Status::InvalidArgument\("WRONGTYPE"'Length of output: 54
Script:
#!/bin/bash # Description: Check for consistent error handling in similar functions. # Test: Search for patterns involving `Status::InvalidArgument`. rg --type cpp 'Status::InvalidArgument'Length of output: 41268
407-421: Validate error handling and TTL setting inMGetWithTTL.
MGetWithTTLshould handle errors consistently and set TTL appropriately. This function is critical as it directly affects the application's data fetching logic.Verification successful
The implementations of
MGetWithTTLinstorage.ccandredis_strings.cchave been successfully extracted. Here's a summary of the findings:
- In
storage.cc,MGetWithTTLdelegates the call toGetDBInstance(key)and returns the result ofinst->MGetWithTTL(key, value, ttl).- In
redis_strings.cc,MGetWithTTLhandles the database retrieval, checks the meta value, and processes the parsed string value. It sets the TTL to-2if the key is not found.The error handling and TTL setting in the
MGetWithTTLmethod inredis_strings.ccappear consistent and appropriate. The method instorage.ccdelegates the actual work to another instance, suggesting the logic is likely consistent across implementations.
redis_strings.cccorrectly setsttlto-2when the key is not found.storage.ccdelegates the call and does not directly handle TTL setting or error handling, leaving it to the actual implementation in the delegated instance.This confirms that
MGetWithTTLhandles errors consistently and sets TTL appropriately.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Ensure that MGetWithTTL handles errors consistently and sets TTL correctly. # Test: Compare with similar functions for consistency. rg --type cpp 'MGetWithTTL'Length of output: 953
Script:
#!/bin/bash # Extract the implementation of MGetWithTTL from storage.cc ast-grep --lang cpp --pattern $'Status Storage::MGetWithTTL(const Slice& key, std::string* value, int64_t* ttl) { $$$ }' src/storage/src/storage.cc # Extract the implementation of MGetWithTTL from redis_strings.cc ast-grep --lang cpp --pattern $'Status Redis::MGetWithTTL(const Slice& key, std::string* value, int64_t* ttl) { $$$ }' src/storage/src/redis_strings.cc # Extract the declaration of MGetWithTTL from storage.h rg 'MGetWithTTL' src/storage/include/storage/storage.hLength of output: 525
Script:
#!/bin/bash # Extract the full implementation of MGetWithTTL from storage.cc ast-grep --lang cpp --pattern 'Status Storage::MGetWithTTL(const Slice& key, std::string* value, int64_t* ttl) { $$$ }' src/storage/src/storage.cc --json # Extract the full implementation of MGetWithTTL from redis_strings.cc ast-grep --lang cpp --pattern 'Status Redis::MGetWithTTL(const Slice& key, std::string* value, int64_t* ttl) { $$$ }' src/storage/src/redis_strings.cc --jsonLength of output: 325
Script:
#!/bin/bash # Search for the MGetWithTTL function definitions in storage.cc and redis_strings.cc and include surrounding lines for context rg 'Status Storage::MGetWithTTL' -A 20 src/storage/src/storage.cc rg 'Status Redis::MGetWithTTL' -A 20 src/storage/src/redis_strings.ccLength of output: 2118
* fix:ttl will deafult 0 when keys have ttl --------- Co-authored-by: chejinge <[email protected]>
写mgetwithttl这个函数的目的是：
当mget多个key，其中有一些key不是string类型的时候，返回nil而不是返回 错误，这里跟redis保持一致了
Summary by CodeRabbit
New Features
Enhancements
GetWithTTLmethod to better handle value retrieval and TTL calculation.