beliefer commented on code in PR #50060:
URL: https://github.com/apache/spark/pull/50060#discussion_r1978561794
##########
sql/core/src/main/scala/org/apache/spark/sql/jdbc/MsSqlServerDialect.scala:
##########
@@ -84,6 +84,17 @@ private case class MsSqlServerDialect() extends JdbcDialect
with NoLegacyJDBCErr
case _ => super.dialectFunctionName(funcName)
}
+ override def visitSQLFunction(funcName: String, inputs: Array[String]):
String =
+ funcName match {
+ case "RPAD" =>
+ val Array(str, len, pad) = inputs
+ s"LEFT(CONCAT($str, REPLICATE($pad, $len)), $len)"
+ case "LPAD" =>
+ val Array(str, len, pad) = inputs
+ s"RIGHT(CONCAT(REPLICATE($pad, $len), $str), $len)"
+ case _ => super.visitSQLFunction(funcName, inputs)
+ }
Review Comment:
https://github.com/apache/spark/pull/50143
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