singhpk234 commented on code in PR #4738:
URL: https://github.com/apache/iceberg/pull/4738#discussion_r868939809
##########
spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/actions/BaseRewriteDataFilesSparkAction.java:
##########
@@ -414,14 +414,14 @@ void validateAndInitOptions() {
private String jobDesc(RewriteFileGroup group, RewriteExecutionContext ctx) {
StructLike partition = group.info().partition();
if (partition.size() > 0) {
- return String.format("Rewriting %d files (%s, file group %d/%d, %s
(%d/%d)) in %s",
- group.rewrittenFiles().size(),
+ return String.format("Rewriting %d files %d eq deletes %d pos deletes
(%s, file group %d/%d, %s (%d/%d)) in %s",
+ group.rewrittenFiles().size(), group.rewrittenEqDeletes(),
group.rewrittenEqDeletes(),
Review Comment:
[minor] should we add a comma in between
```suggestion
return String.format("Rewriting %d files, %d eq deletes, %d pos
deletes (%s, file group %d/%d, %s (%d/%d)) in %s",
group.rewrittenFiles().size(), group.rewrittenEqDeletes(),
group.rewrittenEqDeletes(),
```
##########
core/src/main/java/org/apache/iceberg/actions/RewriteFileGroup.java:
##########
@@ -60,6 +61,18 @@ public Set<DataFile> rewrittenFiles() {
return
fileScans().stream().map(FileScanTask::file).collect(Collectors.toSet());
}
+ public int rewrittenEqDeletes() {
+ return (int) fileScans().stream().flatMap(f -> f.deletes().stream())
+ .filter(d -> d.content().equals(FileContent.EQUALITY_DELETES))
+ .count();
+ }
+
+ public int rewrittenPosDeletes() {
+ return (int) fileScans().stream().flatMap(f -> f.deletes().stream())
+ .filter(d -> d.content().equals(FileContent.POSITION_DELETES))
+ .count();
+ }
Review Comment:
[question] A single delete file can be associated with multiple data files,
should we do a distinct and then count . Your thoughts ?
As for ex :
1. FSTask1 -> DataFile1 , PosDeleteFile1
2. FSTask2 -> DataFile2 , PosDeleteFile1
here we would return 2 as rewritten deletes, but actually we re-wrote only 1
Position Delete File i.e PosDeleteFile1
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