在scala中验证数据帧中的日期列？

import org.apache.spark.sql.{DataFrame, SparkSession}
import org.apache.spark.sql.functions._
import org.apache.spark.sql.types._

val spark = SparkSession.builder()
  .appName("Date Column Validation")
  .getOrCreate()

val data = Seq(
  ("John", "2022-01-01"),
  ("Alice", "2022-02-15"),
  ("Bob", "2022-03-30")
)

val schema = StructType(Seq(
  StructField("Name", StringType, nullable = false),
  StructField("Date", StringType, nullable = false)
))

val df = spark.createDataFrame(data).toDF(schema.fieldNames: _*)

val dfWithDate = df.withColumn("Date", to_date(col("Date")))

val isValidDate = dfWithDate.filter(col("Date").isNull).isEmpty

if (isValidDate) {
  println("日期列验证通过")
} else {
  println("日期列包含无效日期")
}