mbutrovich commented on code in PR #15470:
URL: https://github.com/apache/iceberg/pull/15470#discussion_r2914614251
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core/src/main/java/org/apache/iceberg/RewriteTablePathUtil.java:
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@@ -445,25 +451,36 @@ private static RewriteResult<DeleteFile>
writeDeleteFileEntry(
String sourcePrefix,
String targetPrefix,
String stagingLocation,
- ManifestWriter<DeleteFile> writer) {
+ ManifestWriter<DeleteFile> writer,
+ FileIO io,
+ PositionDeleteReaderWriter posDeleteReaderWriter) {
DeleteFile file = entry.file();
RewriteResult<DeleteFile> result = new RewriteResult<>();
switch (file.content()) {
case POSITION_DELETES:
- DeleteFile posDeleteFile = newPositionDeleteEntry(file, spec,
sourcePrefix, targetPrefix);
+ // Rewrite inline so the manifest records the actual file size, which
changes because
+ // embedded data file paths are rewritten. The staging path is
deterministic, so
+ // duplicates across manifests simply overwrite with identical content.
+ String staging = stagingPath(file.location(), sourcePrefix,
stagingLocation);
+ OutputFile outputFile = io.newOutputFile(staging);
+ try {
+ rewritePositionDeleteFile(
+ file, outputFile, io, spec, sourcePrefix, targetPrefix,
posDeleteReaderWriter);
+ } catch (IOException e) {
+ throw new UncheckedIOException(
+ "Failed to rewrite position delete file " + file.location(), e);
+ }
+ long actualSize = io.newInputFile(staging).getLength();
Review Comment:
I'm trying to figure out a good way to get length out without increasing the
blast radius of this PR. Right now there's no good way to get it, as best as I
can tell.
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