pvary commented on a change in pull request #1559:
URL: https://github.com/apache/iceberg/pull/1559#discussion_r500810584
##########
File path:
core/src/main/java/org/apache/iceberg/hadoop/HadoopTableOperations.java
##########
@@ -294,13 +294,25 @@ private void writeVersionHint(int versionToWrite) {
Path versionHintFile = versionHintFile();
FileSystem fs = getFileSystem(versionHintFile, conf);
- try (FSDataOutputStream out = fs.create(versionHintFile, true /* overwrite
*/)) {
-
out.write(String.valueOf(versionToWrite).getBytes(StandardCharsets.UTF_8));
+ try {
+ if (fs.exists(versionHintFile)) {
+ Path tempVersionHintFile = metadataPath("version-hint.temp" );
+ writeFileToPath(fs, tempVersionHintFile);
+ fs.delete(versionHintFile, false);
+ fs.rename(tempVersionHintFile, versionHintFile);
+ } else {
+ writeFileToPath(fs, versionHintFile);
+ }
} catch (IOException e) {
LOG.warn("Failed to update version hint", e);
}
}
+ private void writeFileToPath(FileSystem fs, Path path) throws IOException{
Review comment:
Formatting checks might fail here.
I have learned that it is worth to run checkstyle checks before committing:
```
./gradlew build -x test
```
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