feat: Optimize the Delete and ForceDelete methods of Orm#655
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WalkthroughThe changes involve updates to method signatures and logic within the database ORM and GORM components. Specifically, the Changes
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #655 +/- ##
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+ Coverage 70.40% 70.47% +0.06%
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Files 188 188
Lines 11677 11704 +27
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+ Hits 8221 8248 +27
Misses 2865 2865
Partials 591 591 ☔ View full report in Codecov by Sentry. |
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Actionable comments posted: 3
Outside diff range and nitpick comments (4)
database/gorm/event.go (1)
154-157: Approve with suggestion: Nil check improves robustness, consider loggingThe addition of the nil check for
e.destis a good defensive programming practice. It prevents potential nil pointer dereferences and improves the overall robustness of theSetAttributemethod.However, silently returning when
e.destis nil might lead to unexpected behavior as the attribute won't be set without any indication of failure.Consider adding a log statement or returning an error to indicate that the attribute couldn't be set due to a nil destination. For example:
if e.dest == nil { // Option 1: Log the issue log.Printf("Warning: Cannot set attribute '%s' on nil destination", key) return // Option 2: Return an error // return fmt.Errorf("cannot set attribute '%s' on nil destination", key) }This would provide more visibility into potential issues during development and debugging.
contracts/database/orm/orm.go (2)
47-47: Approve change toDeletemethod signature.The modification of the
Deletemethod signature fromDelete(value any, conds ...any)toDelete(value ...any)aligns with the PR objectives. This change allows for more flexible usage and simplifies the API by removing the distinction betweenvalueandcondsparameters.Consider updating the method documentation to reflect this change and provide usage examples for clarity. For instance:
// Delete deletes records matching given conditions. // If no arguments are provided, it will delete all records. // Usage: // Delete() // Deletes all records // Delete(&User{ID: 1}) // Deletes a specific record // Delete("name = ?", "John") // Deletes records matching a condition
72-72: Approve change toForceDeletemethod signature.The modification of the
ForceDeletemethod signature fromForceDelete(value any, conds ...any)toForceDelete(value ...any)is consistent with the change made to theDeletemethod. This change provides the same benefits of flexibility and API simplification, aligning with the PR objectives.Consider updating the method documentation to reflect this change and provide usage examples for clarity. For instance:
// ForceDelete forces deletion of records matching given conditions. // If no arguments are provided, it will force delete all records. // Usage: // ForceDelete() // Force deletes all records // ForceDelete(&User{ID: 1}) // Force deletes a specific record // ForceDelete("name = ?", "John") // Force deletes records matching a conditiondatabase/gorm/query.go (1)
1207-1214: Simplify event method by removing redundantreturn nil.After the inner
ifblock, there's areturn nilstatement. Since the function will returnnilat the end if no conditions are met, the explicitreturn nilafter eachifblock is unnecessary and can be removed for cleaner code.Apply this diff to remove redundant returns:
} - return nil } }
Review details
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Review profile: CHILL
Files ignored due to path filters (2)
mocks/database/orm/Query.gois excluded by!mocks/**mocks/database/orm/Transaction.gois excluded by!mocks/**
Files selected for processing (5)
- contracts/database/orm/orm.go (2 hunks)
- database/gorm/event.go (2 hunks)
- database/gorm/query.go (5 hunks)
- database/gorm/query_test.go (4 hunks)
- database/gorm/to_sql_test.go (4 hunks)
Additional comments not posted (18)
database/gorm/to_sql_test.go (7)
38-41: LGTM: Consistent use of pointer receiversThe changes in the
TestCountfunction, replacingUser{}with&User{}, align with the PR objectives and the overall modifications described in the summary. This adjustment to use pointer receivers is consistent and may affect how GORM interacts with the User struct, potentially improving performance or memory usage.
50-50: LGTM: Consistent pointer receiver usageThe modification in the
TestCreatefunction, changingUser{}to&User{}, is consistent with the previous changes and the overall PR objectives. This maintains uniformity in how GORM interacts with the User struct across different test cases.
61-86: LGTM: Optimized Delete method callsThe changes in the
TestDeletefunction consistently use pointer receivers (&User{}and&Role{}) across all test cases. These modifications directly align with the PR's main objective of optimizing the Delete and ForceDelete methods. The uniform application of this change across different scenarios (soft delete for User and hard delete for Role) ensures consistency and potentially improves the ORM's performance when interacting with these structs.
91-100: LGTM: Consistent pointer receiver usage in Find operationsThe modifications in the
TestFindfunction consistently use&User{}instead ofUser{}. While not directly related to the Delete or ForceDelete optimizations, these changes maintain consistency in how the ORM interacts with the User struct across different operations. This uniform approach could potentially lead to more consistent behavior and easier maintenance of the codebase.
105-108: LGTM: Consistent use of pointer receivers in First operationThe changes in the
TestFirstfunction, replacingUser{}with&User{}, are consistent with the previous modifications. This maintains uniformity in how the ORM interacts with the User struct across different operations, including the First operation. The consistent use of pointer receivers could potentially improve performance and memory usage in the ORM.
146-177: LGTM: Comprehensive pointer receiver usage in Update operationsThe changes in the
TestUpdatefunction consistently use&User{}instead ofUser{}across various update scenarios. This comprehensive modification ensures that all aspects of the Update operation are tested with the new pointer receiver approach. The consistency in these changes aligns with the overall modifications in the file and could potentially lead to more efficient ORM operations and easier maintenance of the codebase.
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1-184: Summary: Comprehensive and consistent use of pointer receiversThe changes in this file demonstrate a thorough and consistent approach to using pointer receivers for struct instances across various ORM operations. While the PR's primary objective was to optimize the Delete and ForceDelete methods, the uniform application of this change to all tested operations (Count, Create, Delete, Find, First, and Update) ensures consistency throughout the ORM usage.
This comprehensive modification:
- Aligns with the PR objectives
- Potentially improves performance and memory usage in ORM operations
- Maintains consistency across different types of database operations
- Enhances the maintainability of the codebase by using a uniform approach
The changes are well-implemented and no issues or inconsistencies were found. This update to the test suite should provide a solid foundation for the optimized Delete and ForceDelete methods while ensuring that other ORM operations continue to function as expected with the new pointer receiver approach.
database/gorm/event.go (2)
48-50: Approve: Nil check improves robustnessThe addition of the nil check for
e.destis a good defensive programming practice. It prevents potential nil pointer dereferences and improves the overall robustness of theDestOfMapmethod.
Line range hint
1-379: Summary: Improved robustness with nil checksThe changes in this file focus on adding nil checks to the
DestOfMapandSetAttributemethods of theEventstruct. These additions improve the robustness of the code by preventing potential nil pointer dereferences.While these changes don't directly relate to the
DeleteandForceDeletemethods mentioned in the PR objectives, they contribute to the overall quality and reliability of the ORM implementation. The changes are beneficial and can be safely merged.One suggestion was made to consider adding logging or error reporting when setting an attribute on a nil destination to improve debugging and error visibility.
contracts/database/orm/orm.go (1)
47-47: Overall impact of changes toDeleteandForceDeletemethods.The modifications to both
DeleteandForceDeletemethods significantly improve the flexibility of the ORM interface and align well with the PR objectives. These changes allow for the simplified syntax mentioned in the PR summary, such as:facades.Orm().Query().Table("users").Where(**).Delete() facades.Orm().Query().Model(&models.User{}).Where(**).Delete()Consider the following:
- Ensure that all implementations of the
Queryinterface are updated to match these new method signatures.- Update any existing code that relies on the previous signatures of these methods.
- Verify that the new implementations handle all possible argument combinations correctly.
- Update relevant documentation and examples throughout the codebase.
To verify the impact, you can run the following script:
This will help identify areas of the codebase that may need updates due to these interface changes.
Also applies to: 72-72
database/gorm/query_test.go (3)
587-618: New test cases added for Delete operationTwo new test cases have been added to the TestDelete method:
- "success by table": Tests deletion using the Table method.
- "success by model": Tests deletion using the Model method.
These additions improve the test coverage for the Delete operation by verifying its functionality with different query building approaches. The test cases follow a consistent structure:
- Create a user
- Perform the delete operation
- Verify the deletion by attempting to find the deleted user
Some suggestions for further improvement:
- Consider adding error checking for the delete operation result.
- You might want to add a test case for deleting multiple records in a single query.
- Consider testing edge cases, such as deleting a non-existent record.
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657-674: Improved query syntax in existing test casesThe existing test cases have been updated to use more explicit query syntax:
- Single record deletion now uses
Where("id", user.ID)instead of directly passing the user object.- Multiple record deletion now uses
WhereIn("id", []any{users[0].ID, users[1].ID})instead of passing a slice of users.These changes improve the readability and specificity of the test cases. They make it clearer what exact conditions are being used for the delete operations.
Suggestion for further improvement:
Consider adding a comment explaining the reason for this change, especially if it reflects a change in the recommended usage of the Delete method.
Line range hint
587-674: Overall improvements to Delete operation testingThe changes made to the TestDelete method significantly enhance the test coverage and clarity:
- Two new test cases have been added to cover deletion using Table and Model methods.
- Existing test cases have been updated to use more explicit query syntax.
These improvements provide several benefits:
- Better coverage of different ways to use the Delete operation
- More explicit and readable test cases
- Clearer specification of deletion criteria
The changes align well with testing best practices and will help ensure the reliability of the Delete functionality across different usage patterns.
Suggestions for future improvements:
- Consider adding tests for edge cases and error conditions.
- If there are performance implications for the different delete methods, consider adding benchmarks.
- Ensure that these changes are reflected in the documentation, if applicable.
database/gorm/query.go (5)
138-151: Verify behavior whendestis not provided inDeletemethod.The
Deletemethod now accepts a variadic parameterdest ...any. Whenlen(dest) == 0,realDestremainsnil, and the deletion operates based on the conditions built elsewhere (e.g., usingTableorModel). Ensure that passingniltoquery.instance.Delete(realDest)behaves as intended and doesn't cause unexpected issues. Additionally, confirm that event handlers likedeletinganddeletedcan handle anilrealDestwithout panicking.
154-163: Ensure events handlenilrealDestappropriately.When
realDestisnil, thedeletinganddeletedevent methods receivenilas the destination. Verify that these event handlers can handlenilwithout causing a panic or unintended behavior.
348-362: Verify behavior whendestis not provided inForceDeletemethod.Similar to the
Deletemethod,ForceDeletenow accepts a variadicdest ...any. Ensure that whenlen(dest) == 0, the deletion operates correctly using the built conditions, and that passingniltoquery.instance.Unscoped().Delete(realDest)functions as intended. Also, confirm that event handlers likeforceDeletingandforceDeletedhandle anilrealDestsafely.
364-374: Ensure correct handling ofRowsAffectedinForceDelete.In the
ForceDeletemethod, after deletion, the code checksif res.RowsAffected > 0before callingforceDeleted. Verify that this condition is appropriate and that events are triggered correctly based on whether rows were affected.
1227-1234: Ensure observer functions handlenildestgracefully.In the event method, when checking for observers with
dest, ensure that the system handles cases wheredestmight benilwithout causing panics. This is crucial sincedestcan benilbased on the updated methods.
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⚠️ Performance Alert ⚠️
Possible performance regression was detected for benchmark.
Benchmark result of this commit is worse than the previous benchmark result exceeding threshold 1.50.
| Benchmark suite | Current: 10ca3f9 | Previous: ef9e9d6 | Ratio |
|---|---|---|---|
Benchmark_DecryptString |
4096 ns/op 1592 B/op 17 allocs/op |
1951 ns/op 1592 B/op 17 allocs/op |
2.10 |
Benchmark_DecryptString - ns/op |
4096 ns/op |
1951 ns/op |
2.10 |
This comment was automatically generated by workflow using github-action-benchmark.
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Actionable comments posted: 1
Outside diff range and nitpick comments (1)
database/gorm/to_sql.go (1)
Line range hint
32-64: Overall assessment of Delete and ForceDelete method changesThe changes to the
Deletemethod and the addition of theForceDeletemethod align with the PR objectives of optimizing these operations in the ORM. However, there are several points to consider for improving the implementation:
Backward Compatibility: The
Deletemethod signature change may break existing code. Consider providing a deprecation period with both old and new signatures.Code Duplication: There's significant similarity between
DeleteandForceDelete. Consider refactoring to reduce duplication.Error Handling: Both methods lack error handling for cases where the
valueslice is empty.Documentation: Ensure that these changes are well-documented, including migration guides for users of the old API.
Testing: Verify that test coverage has been updated to include these changes, especially edge cases.
To improve the overall design:
Consider implementing a more flexible condition system that doesn't rely on variadic parameters, which could improve API consistency and reduce breaking changes in the future.
Evaluate if these methods could benefit from a more robust error return system, allowing users to handle deletion failures more gracefully.
Assess if the
ToSqlstruct could benefit from interface-based design, which might make it easier to extend or mock in tests.Please address these points to ensure a robust and maintainable implementation of the Delete and ForceDelete functionality.
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Files ignored due to path filters (1)
mocks/database/orm/ToSql.gois excluded by!mocks/**
Files selected for processing (6)
- contracts/database/orm/events.go (1 hunks)
- contracts/database/orm/orm.go (3 hunks)
- database/gorm/event.go (7 hunks)
- database/gorm/event_test.go (1 hunks)
- database/gorm/to_sql.go (2 hunks)
- database/gorm/to_sql_test.go (4 hunks)
Files skipped from review due to trivial changes (1)
- contracts/database/orm/events.go
Files skipped from review as they are similar to previous changes (2)
- contracts/database/orm/orm.go
- database/gorm/to_sql_test.go
Additional comments not posted (10)
database/gorm/to_sql.go (1)
55-64: New ForceDelete method adds functionality but introduces potential code duplicationThe new
ForceDeletemethod provides a clear way to perform unscoped (force) deletions, which aligns with the PR objectives. However, there are a few points to consider:
- The method is very similar to
Delete, which might lead to code duplication.- The implementation only uses the first element of the
valueslice, similar to theDeletemethod.Consider the following improvements:
- Extract the common logic between
DeleteandForceDeleteinto a private helper method to reduce code duplication. For example:func (r *ToSql) deleteHelper(unscoped bool, value ...any) string { query := r.query.buildConditions() var dest any if len(value) > 0 { dest = value[0] } session := query.instance.Session(&gorm.Session{DryRun: true}) if unscoped { session = session.Unscoped() } return r.sql(session.Delete(dest)) } func (r *ToSql) Delete(value ...any) string { return r.deleteHelper(false, value...) } func (r *ToSql) ForceDelete(value ...any) string { return r.deleteHelper(true, value...) }
Add comments to explain the expected usage of these methods, especially regarding the
valueparameter.Consider adding error handling or validation for cases where
valueis empty.To ensure that the new
ForceDeletemethod doesn't conflict with any existing code, run the following script:#!/bin/bash # Search for any existing ForceDelete methods or calls rg --type go 'ForceDelete\('This will help identify if there are any naming conflicts or existing implementations that might be affected by this new method.
database/gorm/event.go (8)
36-38: LGTM: Improved method naming inGetAttributeThe change from
DestOfMap()togetDestOfMap()enhances code consistency and readability. The logic remains intact, maintaining the method's functionality while improving its structure.
46-48: LGTM: Enhanced method naming inGetOriginalThe replacement of
ModelOfMap()withgetModelOfMap()improves code consistency and readability. The method's functionality remains unchanged, demonstrating a positive refactoring effort.
59-61: Great refactoring ofIsCleanmethodExcellent simplification of the
IsCleanmethod. By leveraging the existingIsDirtymethod, you've reduced code duplication and improved maintainability. This change adheres to the DRY (Don't Repeat Yourself) principle and makes the code more efficient.
64-65: LGTM: Consistent method naming inIsDirtyThe change from
DestOfMap()togetDestOfMap()in theIsDirtymethod maintains consistency with other refactored methods. This improvement enhances code readability while preserving the existing functionality.
99-103: Improved safety and consistency inSetAttributeGreat additions to the
SetAttributemethod:
- The nil check for
e.destat the beginning of the method enhances safety by preventing operations on a nil destination.- The use of
getDestOfMap()instead ofDestOfMap()maintains consistency with other refactored methods.These changes improve both the robustness and readability of the code.
163-173: Well-implementedgetColumnNamesmethodThe new
getColumnNamesmethod is a great addition:
- It improves encapsulation by being a private method.
- The lazy initialization of
e.columnNamesenhances performance by computing column names only when needed.- The nil checks and fallback to
e.destwhene.modelis nil improve the method's robustness.This refactoring enhances both the efficiency and safety of the code.
175-216: Excellent implementation ofgetDestOfMapandgetModelOfMapmethodsThe new
getDestOfMapandgetModelOfMapmethods are well-implemented:
- They improve encapsulation by being private methods.
- Lazy initialization of
e.destOfMapande.modelOfMapenhances performance by computing maps only when needed.- Nil checks in both methods improve safety and prevent potential nil pointer dereferences.
- The logic for populating the maps remains consistent with the previous implementation, ensuring maintained functionality.
These refactorings significantly improve the code's efficiency, safety, and maintainability.
Line range hint
1-317: Overall excellent refactoring of the Event struct and its methodsThe changes made to
database/gorm/event.godemonstrate a thoughtful and consistent refactoring effort:
- Improved encapsulation by converting public methods to private (
getColumnNames,getDestOfMap,getModelOfMap).- Enhanced performance through lazy initialization in several methods.
- Increased safety with additional nil checks throughout the code.
- Better code organization and readability with consistent naming conventions.
- Reduced code duplication, particularly in the
IsCleanmethod.These improvements align well with the PR objectives of optimizing the ORM methods. The changes enhance the overall quality, maintainability, and efficiency of the code without introducing any apparent issues or significant alterations to the existing functionality.
Great job on this refactoring effort!
database/gorm/event_test.go (1)
307-307: LGTM. Verify impact on other parts of the codebase.The change from
event.ColumnNames()toevent.getColumnNames()is consistent with the method signature update mentioned in the summary. This shift from a public to a private method suggests improved encapsulation.To ensure this change doesn't break existing functionality elsewhere in the codebase, please run the following verification script:
This script will help identify any parts of the codebase that might need updating due to this method change.
Verification successful
Verified: The change from
event.ColumnNames()toevent.getColumnNames()does not impact other parts of the codebase. No remaining uses ofColumnNames()were found, and there are no affected imports.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for any remaining uses of the public ColumnNames() method # Test: Search for uses of ColumnNames() method echo "Searching for remaining uses of ColumnNames() method:" rg --type go 'ColumnNames\(\)' --glob '!database/gorm/event_test.go' # Test: Search for any imports of the event package that might be affected echo "Searching for imports of the event package:" rg --type go 'import.*"database/gorm/event"'Length of output: 479
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📑 Description
Currently, we have to set a model using the
DeleteandForceDeletemethods. After this PR, we can use them like below:Summary by CodeRabbit
ForceDeletemethod for unscoped deletions.✅ Checks