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Summary of ChangesHello @gramian, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request resolves an issue where the log message for a completed database restore operation was displaying incorrect size information. The change involves swapping two arguments in the log formatting, which ensures the message accurately represents the transition from the smaller, compressed input file size to the larger, uncompressed database size in memory, thus providing a more precise record of the restore process. Highlights
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Code Review
This pull request correctly fixes a log message for the database restore process by swapping the arguments for the compressed and uncompressed sizes. The log will now correctly show the transition from the smaller backup file size to the larger restored database size. I've added one comment regarding a potential integer overflow in the compression percentage calculation within the same log statement and suggested a safer way to compute it.
| FileUtils.getSizeAsString((inputSource.fileSize)), FileUtils.getSizeAsString(databaseOrigSize), | ||
| databaseOrigSize > 0 ? (databaseOrigSize - inputSource.fileSize) * 100 / databaseOrigSize : 0); |
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The calculation for compression percentage on the next line can overflow if databaseOrigSize is very large (e.g., in the petabyte range). Using integer arithmetic, (databaseOrigSize - inputSource.fileSize) * 100 could exceed Long.MAX_VALUE before the division occurs.
Using floating-point arithmetic for the calculation makes it safe against overflow and ensures the percentage is calculated correctly even for extremely large database sizes.
I've also removed the redundant parentheses around inputSource.fileSize in the suggestion.
| FileUtils.getSizeAsString((inputSource.fileSize)), FileUtils.getSizeAsString(databaseOrigSize), | |
| databaseOrigSize > 0 ? (databaseOrigSize - inputSource.fileSize) * 100 / databaseOrigSize : 0); | |
| FileUtils.getSizeAsString(inputSource.fileSize), FileUtils.getSizeAsString(databaseOrigSize), | |
| databaseOrigSize > 0 ? (long) (100.0 * (databaseOrigSize - inputSource.fileSize) / databaseOrigSize) : 0); |
(cherry picked from commit a1be4b2)
What does this PR do?
This change swaps two arguments in the format method of the log entry when a restore is complete. Before the change the log entry is equal to the back-up log entry which writes the uncompressed database compressed to disk. For restore the compressed database is loaded uncompressed to memory, so the entry should state: "from small to large".
Checklist
mvn clean packagecommand