rdblue commented on code in PR #6582:
URL: https://github.com/apache/iceberg/pull/6582#discussion_r1092379542
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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:
I think we should create real Theta sketches. If Spark only needs the NDV
integer, then that's great. We can either keep track of NDV sketch and
incrementally update internal to Iceberg, or we can do it async. Either way,
there should be no need for a different sketch type.
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