JingsongLi commented on a change in pull request #1353:
URL: https://github.com/apache/iceberg/pull/1353#discussion_r482692294
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File path: core/src/main/java/org/apache/iceberg/BaseTableScan.java
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@@ -284,6 +284,8 @@ public String toString() {
private Schema lazyColumnProjection() {
Collection<String> selectedColumns = context.selectedColumns();
if (selectedColumns != null) {
+ // select columns only works for data table scans, so it is OK to select
on table.schema().
+
Review comment:
I add a `isDataTableScan` abstract method in BaseTableScan.
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