karuppayya commented on code in PR #11045:
URL: https://github.com/apache/iceberg/pull/11045#discussion_r1744645623
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spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/procedures/CreateChangelogViewProcedure.java:
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@@ -146,10 +147,16 @@ public InternalRow[] call(InternalRow args) {
Dataset<Row> df = loadRows(changelogTableIdent, options(input));
boolean netChanges = input.asBoolean(NET_CHANGES, false);
+ String[] identifierColumns = identifierColumns(input, tableIdent);
+ Preconditions.checkArgument(
+ identifierColumns.length > 0
+ || Arrays.stream(df.schema().fields())
+ .allMatch(field -> OrderUtils.isOrderable(field.dataType())),
+ "Identifier field is required if table contains unorderable columns");
Review Comment:
I think it would be informative if we can log the column name(and type) that
is not order-able
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