ConeyLiu commented on code in PR #4898:
URL: https://github.com/apache/iceberg/pull/4898#discussion_r885259052
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api/src/main/java/org/apache/iceberg/ManifestFile.java:
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@@ -64,14 +64,15 @@ public interface ManifestFile {
"Summary for each partition");
Types.NestedField KEY_METADATA = optional(519, "key_metadata",
Types.BinaryType.get(),
"Encryption key metadata blob");
- // next ID to assign: 520
+ Types.NestedField SCHEMA_ID = optional(520, "schema_id",
Types.IntegerType.get(), "Schema ID");
Review Comment:
For newly added files, those files should have the same schema ID. I think
it should be a common situation that manifest entries have the same schema ID.
Such as batch write/overwrite case.
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