xushiyan commented on code in PR #7951:
URL: https://github.com/apache/hudi/pull/7951#discussion_r1120959200
##########
hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/DataSourceOptions.scala:
##########
@@ -288,44 +287,42 @@ object DataSourceWriteOptions {
.withDocumentation("The table type for the underlying data, for this
write. This can’t change between writes.")
/**
- * Translate spark parameters to hudi parameters
- *
- * @param optParams Parameters to be translated
- * @return Parameters after translation
- */
- def translateSqlOptions(optParams: Map[String, String]): Map[String, String]
= {
- var translatedOptParams = optParams
- // translate the api partitionBy of spark DataFrameWriter to
PARTITIONPATH_FIELD
- // we should set hoodie's partition path only if its not set by the user.
- if (optParams.contains(SparkDataSourceUtils.PARTITIONING_COLUMNS_KEY)
- &&
!optParams.contains(KeyGeneratorOptions.PARTITIONPATH_FIELD_NAME.key())) {
- val partitionColumns =
optParams.get(SparkDataSourceUtils.PARTITIONING_COLUMNS_KEY)
- .map(SparkDataSourceUtils.decodePartitioningColumns)
- .getOrElse(Nil)
- val keyGeneratorClass =
optParams.getOrElse(DataSourceWriteOptions.KEYGENERATOR_CLASS_NAME.key(),
- DataSourceWriteOptions.KEYGENERATOR_CLASS_NAME.defaultValue)
-
- keyGeneratorClass match {
- // CustomKeyGenerator needs special treatment, because it needs to be
specified in a way
- // such as "field1:PartitionKeyType1,field2:PartitionKeyType2".
- // partitionBy can specify the partition like this: partitionBy("p1",
"p2:SIMPLE", "p3:TIMESTAMP")
- case c if (c.nonEmpty && c == classOf[CustomKeyGenerator].getName) =>
- val partitionPathField = partitionColumns.map(e => {
- if (e.contains(":")) {
- e
- } else {
- s"$e:SIMPLE"
- }
- }).mkString(",")
- translatedOptParams = optParams ++ Map(PARTITIONPATH_FIELD.key ->
partitionPathField)
- case c if (c.isEmpty ||
!keyGeneratorClass.equals(classOf[NonpartitionedKeyGenerator].getName)) =>
- // for any key gen other than NonPartitioned key gen, we can
override the partition field config.
- val partitionPathField = partitionColumns.mkString(",")
- translatedOptParams = optParams ++ Map(PARTITIONPATH_FIELD.key ->
partitionPathField)
- case _ => // no op incase of NonPartitioned Key gen.
- }
+ * Derive [[PARTITIONPATH_FIELD]] based on
[[SparkDataSourceUtils.PARTITIONING_COLUMNS_KEY]]
+ * if [[PARTITIONPATH_FIELD]] is not set explicitly.
+ */
+ def derivePartitionPathFieldsIfNeeded(optParams: Map[String, String]):
Map[String, String] = {
+ if (!optParams.contains(SparkDataSourceUtils.PARTITIONING_COLUMNS_KEY)
+ ||
optParams.contains(KeyGeneratorOptions.PARTITIONPATH_FIELD_NAME.key())) {
+ return optParams
+ }
+
+ val partitionColumns =
optParams.get(SparkDataSourceUtils.PARTITIONING_COLUMNS_KEY)
+ .map(SparkDataSourceUtils.decodePartitioningColumns)
+ .getOrElse(Nil)
+ val keyGeneratorClass =
optParams.getOrElse(DataSourceWriteOptions.KEYGENERATOR_CLASS_NAME.key(),
+ DataSourceWriteOptions.KEYGENERATOR_CLASS_NAME.defaultValue)
Review Comment:
@nsivabalan how do we consider `hoodie.datasource.write.keygenerator.type`
compare to key gen class in terms of precedence? it should fail a validation if
unmatched or we ignore key gen type?
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