Add an actual test and switch to datetime2 #2
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WalkthroughThe changes in this pull request include the addition of a new package reference in the project file, the introduction of a new test method, the removal of an internal class, and the creation of new classes and an interface for managing SQL Server schema states. Additionally, modifications were made to SQL scripts to enhance data type precision for certain columns. The instantiation logic in a factory class was also updated, while several existing classes and interfaces related to schema management were removed. Changes
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Actionable comments posted: 4
🧹 Outside diff range and nitpick comments (6)
src/DotJEM.Json.Storage2.Test/SqlServerStorageAreaFactoryTest.cs (2)
15-17: Consider removing extra whitespace for consistency.The added empty lines don't affect the test's functionality, but they might be inconsistent with the coding style used in the rest of the file. Consider removing these lines to maintain a consistent formatting style throughout the codebase.
60-70: LGTM: Well-structured test method. Consider adding cleanup.The new test method
InsertAsync_Record_ShouldAddToTableis well-structured and follows the Arrange-Act-Assert pattern. It effectively tests both the insertion and retrieval functionality of the storage area, including an important check on theUpdatedByproperty.Consider adding a cleanup step at the end of the test to remove the inserted record. This would prevent test data accumulation and ensure a clean state for subsequent test runs. You could add something like:
[TearDown] public async Task Cleanup() { // Code to remove test data }Or, if you prefer cleanup within the test method:
finally { // Code to remove the inserted record }src/DotJEM.Json.Storage2/SqlServer/Initialization/Temp.cs (4)
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23-24: Replace genericExceptionwith a more specific exceptionUsing a generic
Exceptionmakes error handling less precise and can obscure the root cause of the problem. Instead, throw a more specific exception, such asInvalidOperationExceptionor a custom exception, to provide clearer context.Apply this diff to improve exception handling:
await connection.OpenAsync().ConfigureAwait(false); //TODO: Throw better exception. -int schemaExists = (int)(await command.ExecuteScalarAsync().ConfigureAwait(false) ?? throw new Exception()); +int schemaExists = (int)(await command.ExecuteScalarAsync().ConfigureAwait(false) ?? throw new InvalidOperationException("Failed to determine if the schema exists."));Would you like help in defining a custom exception for this scenario?
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27-27: Address the TODO: Pass a state object to track schema creationThe TODO comment indicates the need to pass a state object to track the creation of the schema. Implementing this will enhance the ability to manage schema states and improve the modularity of your code.
Do you need assistance in creating and integrating a state object for schema tracking?
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37-39: Handle potential absence of '.' intableNameIf
tableNamedoes not contain a.character,LastIndexOf('.')will return-1, causingSubstringto throw anArgumentOutOfRangeException. To prevent this, add a check to ensure thattableNamecontains a.before attempting to extract thearea.Apply this diff to handle the case where
tableNamelacks a.:HashSet<string> names = new(); while (await reader.ReadAsync()) { string tableName = reader.GetString(0); + int lastDotIndex = tableName.LastIndexOf('.'); + if (lastDotIndex == -1) + { + // Handle the case where tableName does not contain a '.' + throw new InvalidOperationException($"Invalid table name format: {tableName}"); + } - string area = tableName.Substring(0, tableName.LastIndexOf('.')); + string area = tableName.Substring(0, lastDotIndex); names.Add(area); }Would you like help refining this error handling or considering alternative parsing methods?
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11-49: Consider adding unit tests for the newCreatemethodAdding unit tests for the
Createmethod will ensure that it behaves as expected under various scenarios, such as when the schema exists or does not exist, and when exceptions are thrown.Would you like assistance in writing unit tests for this method?
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📒 Files selected for processing (9)
- src/DotJEM.Json.Storage2.Test/DotJEM.Json.Storage2.Test.csproj (1 hunks)
- src/DotJEM.Json.Storage2.Test/SqlServerStorageAreaFactoryTest.cs (3 hunks)
- src/DotJEM.Json.Storage2/IsExternalInit.cs (0 hunks)
- src/DotJEM.Json.Storage2/SqlServer/Initialization/ISqlServerSchemaStateManager.cs (1 hunks)
- src/DotJEM.Json.Storage2/SqlServer/Initialization/Temp.cs (1 hunks)
- src/DotJEM.Json.Storage2/SqlServer/SqlServerStorageAreaFactory.cs (1 hunks)
- src/DotJEM.Json.Storage2/SqlServer/Statements/CreateDataTable.sql (1 hunks)
- src/DotJEM.Json.Storage2/SqlServer/Statements/CreateLogTable.sql (1 hunks)
- src/DotJEM.Json.Storage2/SqlServer/Statements/CreateSchemasTable.sql (1 hunks)
💤 Files with no reviewable changes (1)
- src/DotJEM.Json.Storage2/IsExternalInit.cs
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🔇 Additional comments (8)
src/DotJEM.Json.Storage2/SqlServer/Statements/CreateSchemasTable.sql (1)
5-6: Approved: Upgrade to datetime2 improves precision and rangeThe change from
datetimetodatetime2for theCreatedandUpdatedcolumns is a positive improvement.datetime2offers higher precision, a wider date range, and potentially more efficient storage.Consider the following points:
- Ensure that any existing data migration scripts handle the conversion from
datetimetodatetime2correctly.- Update any queries or stored procedures that interact with these columns to account for the increased precision.
- Verify that all systems connecting to this database support
datetime2(introduced in SQL Server 2008).To help verify the impact, you can run the following script:
This will help identify any other SQL scripts or queries that might need updating to align with this change.
✅ Verification successful
Verified: Changes to 'Created' and 'Updated' columns are correctly localized
The updates from
datetimetodatetime2for theCreatedandUpdatedcolumns are properly confined to the intended SQL scripts. No further changes are necessary.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Search for usage of Created and Updated columns in SQL files rg --type sql -i '(created|updated).*datetime' src/Length of output: 467
src/DotJEM.Json.Storage2/SqlServer/Statements/CreateLogTable.sql (1)
5-5: Approved: Upgrade to datetime2 improves precision and rangeThe change from
datetimetodatetime2for theTimecolumn is a positive improvement.datetime2offers higher precision (100 nanoseconds vs 3.33 milliseconds) and a wider date range, which can be beneficial for accurate logging.Consider the following to ensure a smooth transition:
- Review any existing queries or application code that interacts with this table to ensure compatibility with
datetime2.- If this change is applied to an existing table, plan for data migration.
- Be aware of potential slight changes in sorting behavior due to increased precision.
- Consider updating other tables or columns in the database for consistency if they also use
datetime.To check for other
datetimeusages that might benefit from this upgrade, run:✅ Verification successful
Verified: No additional
datetimeusages foundThe codebase has been checked for other instances of
datetimein SQL files, and no usages (excludingdatetime2) were found. This ensures consistency with the upgrade todatetime2.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Search for 'datetime' usage in SQL files rg --type sql 'datetime(?!2)' -g '*.sql'Length of output: 267
Script:
#!/bin/bash # Search for 'datetime' usage in SQL files excluding 'datetime2' rg --type sql 'datetime[^2]' -g '*.sql'Length of output: 41
src/DotJEM.Json.Storage2.Test/DotJEM.Json.Storage2.Test.csproj (1)
13-13: LGTM! Verify usage in test methods.The addition of the
System.Linq.Asyncpackage (version 6.0.1) is appropriate for enabling asynchronous LINQ operations in your test project. This aligns with the PR objective of adding "an actual test", potentially allowing for more sophisticated asynchronous testing scenarios.To ensure this package is being utilized effectively, please run the following script to check for its usage in test methods:
If there are no matches, consider adding examples of how this package will be used in future tests.
src/DotJEM.Json.Storage2/SqlServer/Statements/CreateDataTable.sql (2)
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18-18: Verify impact of removing default constraint for Updated columnThe default constraint for the
Updatedcolumn has been commented out. This means the column will no longer be automatically set to the current date and time when a row is inserted or updated.To ensure this change doesn't introduce issues, please verify:
- The application code explicitly sets the
Updatedcolumn value when inserting or updating rows.- There are no existing queries or procedures that rely on this default constraint.
#!/bin/bash # Description: Check for potential issues related to the Updated column # Test 1: Search for insert statements that might not set the Updated column rg --type sql 'INSERT\s+INTO.*\[@{area_name}\.data\]' -g '*.sql' # Test 2: Search for update statements that might not set the Updated column rg --type sql 'UPDATE\s+.*\[@{area_name}\.data\]' -g '*.sql' # Test 3: Search for any direct references to the Updated column rg --type cs 'Updated' -g '*.cs' # Expected result: Review the output to ensure that the Updated column is properly handled in all relevant codeIf you confirm that the application correctly manages the
Updatedcolumn, this change is acceptable. Otherwise, consider keeping the default constraint or updating the application logic accordingly.
5-6: Improved timestamp precision with datetime2The change from
datetimetodatetime2for theCreatedandUpdatedcolumns is a good improvement.datetime2offers higher precision and a wider date range, which can be beneficial for accurate timestamp storage.To ensure consistency across the codebase, let's verify if other tables use
datetime2:src/DotJEM.Json.Storage2/SqlServer/SqlServerStorageAreaFactory.cs (1)
48-48: LGTM. Verify interface change and update documentation if needed.The change from
schema.SchemaNametoschema.Schemalooks like a valid refactoring. It improves naming consistency and better represents the nature of theSchemaproperty.To ensure this change is consistent across the codebase:
- Verify that the
ISqlServerSchemaStateManagerinterface has been updated to reflect this change.- Check if any other usages of
SchemaNameneed to be updated.Also, please update any relevant documentation or comments to reflect this change if necessary.
✅ Verification successful
Verified: The
ISqlServerSchemaStateManagerinterface has been updated, and there are no remaining usages ofSchemaName.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the interface change and find any remaining usages of SchemaName # Test 1: Check if ISqlServerSchemaStateManager interface has been updated echo "Checking ISqlServerSchemaStateManager interface:" rg --type csharp "interface ISqlServerSchemaStateManager" -A 10 # Test 2: Look for any remaining usages of SchemaName echo "Searching for remaining usages of SchemaName:" rg --type csharp "SchemaName"Length of output: 1470
src/DotJEM.Json.Storage2.Test/SqlServerStorageAreaFactoryTest.cs (2)
59-59: LGTM: Improved readability with whitespace.The added empty line before the new test method improves readability by clearly separating test methods. This is consistent with good coding practices and enhances the overall structure of the file.
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1-71: Overall, the changes look good with room for minor improvements.The additions to this file, particularly the new test method
InsertAsync_Record_ShouldAddToTable, enhance the test coverage of theSqlServerStorageContextclass. The test is well-structured and checks important functionality.A few minor suggestions for improvement:
- Consider removing extra whitespace in the
EnsureLogTable_NoTableExists_ShouldCreateTablemethod for consistency.- Think about adding a cleanup step in the new test method to prevent test data accumulation.
These changes will further improve the quality and maintainability of the test suite.
src/DotJEM.Json.Storage2/SqlServer/Initialization/ISqlServerSchemaStateManager.cs
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Actionable comments posted: 1
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- src/DotJEM.Json.Storage2/SqlServer/Initialization/ISqlServerSchemaStateManager.cs (1 hunks)
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🔇 Additional comments (4)
src/DotJEM.Json.Storage2/SqlServer/Initialization/ISqlServerSchemaStateManager.cs (4)
6-11: LGTM: Interface definition is clear and concise.The
ISqlServerSchemaStateManagerinterface provides a clean contract for schema state management with aSchemaproperty and anEnsure()method.
13-51: LGTM: Improved thread-safety inSqlServerSchemaStateManager.The implementation of
SqlServerSchemaStateManagerlooks good. The use ofObtainLockAsync()(line 33) addresses the previous concern about ensuring the semaphore is always released, even in case of exceptions. The double-checked locking pattern is correctly implemented, and the use ofConfigureAwait(false)is consistent throughout the asynchronous operations.
53-65: LGTM: ExcellentSemaphoreSlimextension for safe locking.The
SemaphoreSlimExtclass provides a clean and safe way to useSemaphoreSlimwith ausingstatement. This implementation ensures that the semaphore is always released, even in case of exceptions, addressing the concerns raised in previous reviews. The use of a nestedObtainedLockclass is a good pattern for implementingIDisposable.
1-123: Overall assessment: Good implementation with minor improvements needed.The file implements SQL Server schema state management effectively. The
ISqlServerSchemaStateManagerinterface and its implementations are well-structured. TheSemaphoreSlimExtclass provides a robust solution for safe locking.The main area for improvement is in
SqlServerAreaStateManager, where asynchronous patterns should be applied consistently. Once these changes are made, the file will provide a solid foundation for managing SQL Server schema states in an asynchronous and thread-safe manner.
src/DotJEM.Json.Storage2/SqlServer/Initialization/ISqlServerSchemaStateManager.cs
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Summary by CodeRabbit
New Features
Bug Fixes
Refactor
Chores
System.Linq.Asyncpackage.