[GitHub] [iceberg] nastra commented on a diff in pull request #6047: Core: Replace projected Schema with schemaId/fieldIds/fieldNames in ScanReport

[GitBox <gi...@apache.org>]

nastra commented on code in PR #6047:
URL: https://github.com/apache/iceberg/pull/6047#discussion_r1004646307


##########
core/src/main/java/org/apache/iceberg/metrics/ScanReportParser.java:
##########
@@ -71,8 +71,24 @@ public static void toJsonWithoutStartEnd(ScanReport scanReport, JsonGenerator ge
     gen.writeFieldName(FILTER);
     ExpressionParser.toJson(scanReport.filter(), gen);
 
-    gen.writeFieldName(PROJECTION);
-    SchemaParser.toJson(scanReport.projection(), gen);
+    gen.writeNumberField(SCHEMA_ID, scanReport.schemaId());
+
+    // fieldIds & fieldNames can be empty with an empty projection
+    if (!scanReport.projectedFieldIds().isEmpty()) {

Review Comment:
   sure, I'll adjust accordingly



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