nk1506 opened a new pull request, #10246:
URL: https://github.com/apache/iceberg/pull/10246
Currently snapshot summary doesn't have statistics related to Manifest
Files.
This change is adding two new summary fields `"total-data-manifest-files"`
and `"total-delete-manifest-files"`. There is a plan to help engines to do
better planning estimation in terms of manifest reading.
Old Snapshot Summary
```
{
"added-data-files": "1",
"added-files-size": "389",
"added-records": "1",
"changed-partition-count": "1",
"spark.app.id": "local-1714372186602",
"total-data-files": "1",
"total-delete-files": "0",
"total-equality-deletes": "0",
"total-files-size": "389",
"total-position-deletes": "0",
"total-records": "1"
}
```
New Snapshot Summary
```
{
"added-data-files": "1",
"added-files-size": "389",
"added-records": "1",
"changed-partition-count": "1",
"spark.app.id": "local-1714372186602",
"total-data-files": "1",
"total-delete-files": "0",
"total-equality-deletes": "0",
"total-files-size": "389",
"total-position-deletes": "0",
"total-records": "1",
"total-data-manifest-files": "1",
"total-delete-manifest-files": "1"
}
```
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