huaxingao commented on code in PR #6582:
URL: https://github.com/apache/iceberg/pull/6582#discussion_r1073861447
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core/src/main/java/org/apache/iceberg/puffin/StandardBlobTypes.java:
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@@ -26,4 +26,6 @@ private StandardBlobTypes() {}
* href="https://datasketches.apache.org/";>Apache DataSketches</a> library
*/
public static final String APACHE_DATASKETCHES_THETA_V1 =
"apache-datasketches-theta-v1";
+
+ public static final String NDV_BLOB = "ndv-blob";
Review Comment:
@rdblue Spark only needs NDV values from Iceberg.
The problem is that I don't have a place to save the table level NDV values.
I initially thought I could save the NDV values as blobs in puffin file, but
based on the discussion, it doesn't seem to be the correct way.
So I am still looking for the right place to save the table level NDV
values...
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