cloud-fan commented on code in PR #36593:
URL: https://github.com/apache/spark/pull/36593#discussion_r907429393
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sql/core/src/main/scala/org/apache/spark/sql/jdbc/H2Dialect.scala:
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@@ -41,6 +43,45 @@ private[sql] object H2Dialect extends JdbcDialect {
override def isSupportedFunction(funcName: String): Boolean =
supportedFunctions.contains(funcName)
+ class H2SQLBuilder extends JDBCSQLBuilder {
+ override def visitUserDefinedScalarFunction(
+ funcName: String, canonicalName: String, inputs: Array[String]):
String = {
+ funcName match {
+ case "CHAR_LENGTH" =>
Review Comment:
BTW, does h2 dialect have the `CHAR_LENGTH` UDF yet?
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