dongjoon-hyun commented on a change in pull request #26751: [SPARK-30107][SQL]
Expose nested schema pruning to all V2 sources
URL: https://github.com/apache/spark/pull/26751#discussion_r353464069
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSourceStrategy.scala
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@@ -438,6 +438,22 @@ object DataSourceStrategy {
}
}
+ /**
+ * The attribute name may differ from the one in the schema if the query
analyzer
+ * is case insensitive. We should change attribute names to match the ones
in the schema,
+ * so we do not need to worry about case sensitivity anymore.
+ */
+ protected[sql] def normalizeExprs(
Review comment:
+1 for the decision. Let's focus the new feature first.
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