dramaticlly commented on code in PR #18406:
URL: https://github.com/apache/iceberg/pull/18406#discussion_r4235502524
##########
docs/docs/spark-configuration.md:
##########
@@ -287,3 +287,17 @@ CommitMetadata.withCommitProperties(properties,
},
RuntimeException.class);
```
+
+Snapshot properties can also be set for a whole session with
`spark.sql.iceberg.snapshot-property._custom-key_`. They apply to writes and to
the `rewrite_data_files`, `rewrite_position_delete_files`, and
`rewrite_manifests` procedures. A `snapshot-property.` write option or
`CommitMetadata` overrides a session property with the same key. When calling
an action through the Java API, `snapshotProperty()` does too.
Review Comment:
nit: maybe highlight that write option or explicit argument override the
session property in general?
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