cloud-fan commented on code in PR #40437:
URL: https://github.com/apache/spark/pull/40437#discussion_r1139919994
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sql/core/src/main/scala/org/apache/spark/sql/execution/HiveResult.scala:
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@@ -50,36 +51,44 @@ object HiveResult {
}
/**
- * Returns the result as a hive compatible sequence of strings. This is used
in tests and
- * `SparkSQLDriver` for CLI applications.
+ * Returns the hive compatible results, which include output schemas and
sequence of strings.
+ * This is used in tests and `SparkSQLDriver` for CLI applications.
*/
- def hiveResultString(executedPlan: SparkPlan): Seq[String] =
Review Comment:
Instead of collecting the data as rows and adjusting it to follow Hive, we
can add an analyzer rule to adjust the plan. The rule can add a `Project` over
certain commands, to select columns, or run a UDF to adjust the string. This
rule is only applied in thriftserver environment.
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