pvary commented on code in PR #14728:
URL: https://github.com/apache/iceberg/pull/14728#discussion_r2581531958
##########
flink/v2.1/flink/src/main/java/org/apache/iceberg/flink/sink/dynamic/EvolveSchemaVisitor.java:
##########
@@ -103,11 +121,16 @@ public Boolean struct(Types.StructType struct, Integer
partnerId, List<Boolean>
after = columnName;
}
- // Ensure that unused fields are made optional
for (Types.NestedField existingField : partnerStruct.fields()) {
if (struct.field(existingField.name()) == null) {
- if (existingField.isRequired()) {
-
this.api.makeColumnOptional(this.existingSchema.findColumnName(existingField.fieldId()));
+ String columnName =
this.existingSchema.findColumnName(existingField.fieldId());
+ if (dropUnusedColumns) {
+ LOG.info("{}: Dropping column: {}", identifier.name(), columnName);
Review Comment:
We will log this for every single record?
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