ulysses-you commented on code in PR #6789:
URL: https://github.com/apache/kyuubi/pull/6789#discussion_r1825328760
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externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/KyuubiSparkUtil.scala:
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@@ -48,7 +48,7 @@ object KyuubiSparkUtil extends Logging {
interruptOnCancel = true)
debug(s"Execute initialization sql: $sql")
try {
- spark.sql(sql).isEmpty
+ spark.sql(sql).take(1).isEmpty
Review Comment:
`spark.sql(sql).take(1)` has two issues:
- it will do an row conversion from `InternalRow` to `Row`
- it does not do column pruning
how about using the same way of the pr
https://github.com/apache/spark/pull/45373 to improve it ?
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