pvary commented on a change in pull request #2137:
URL: https://github.com/apache/hive/pull/2137#discussion_r616490821
##########
File path:
iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergStorageHandler.java
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@@ -250,4 +305,74 @@ static void overlayTableProperties(Configuration
configuration, TableDesc tableD
// this is an exception to the interface documentation, but it's a safe
operation to add this property
props.put(InputFormatConfig.TABLE_SCHEMA, schemaJson);
}
+
+ /**
+ * Recursively collects the column names from the predicate.
+ * @param node The node we are traversing
+ * @param columns The already collected column names
+ */
+ private void columns(ExprNodeDesc node, Collection<String> columns) {
Review comment:
In the end moved to `Set` since it was needed to make sure than only a
single column is there in the pruning expression
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