ifun
New Contributor II
In response to Retired_mod

‎11-25-2022 02:06 AM

The following example shows changing a column type:

(spark.read.table(...)
  .withColumn("birthDate", col("birthDate").cast("date"))
  .write
  .mode("overwrite")
  .option("overwriteSchema", "true")
  .saveAsTable(...)
)

Details see https://docs.databricks.com/delta/update-schema.html