linliu-code commented on code in PR #12588:
URL: https://github.com/apache/hudi/pull/12588#discussion_r1907720895
##########
hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/HoodieSparkSqlWriter.scala:
##########
@@ -1165,3 +1163,54 @@ class HoodieSparkSqlWriterInternal {
.map(_.toLong).filter(SQLExecution.getQueryExecution(_) eq
newQueryExecution)
}
}
+
+object HoodieSparkSqlWriterInternal {
+ // Check if duplicates should be dropped.
+ def shouldDropDuplicatesForInserts(hoodieConfig: HoodieConfig): Boolean = {
+ hoodieConfig.contains(INSERT_DUP_POLICY) &&
+
hoodieConfig.getString(INSERT_DUP_POLICY).equalsIgnoreCase(DROP_INSERT_DUP_POLICY)
+ }
+
+ // Check if we should fail if duplicates are found.
+ def shouldFailWhenDuplicatesFound(hoodieConfig: HoodieConfig): Boolean = {
+ hoodieConfig.contains(INSERT_DUP_POLICY) &&
+
hoodieConfig.getString(INSERT_DUP_POLICY).equalsIgnoreCase(FAIL_INSERT_DUP_POLICY)
+ }
+
+ // Check if deduplication is required.
+ def isDeduplicationRequired(hoodieConfig: HoodieConfig): Boolean = {
+ hoodieConfig.getBoolean(INSERT_DROP_DUPS) ||
+ shouldFailWhenDuplicatesFound(hoodieConfig) ||
+ shouldDropDuplicatesForInserts(hoodieConfig)
+ }
+
+ // Check if deduplication is needed.
+ def isDeduplicationNeeded(operation: WriteOperationType): Boolean = {
+ operation == WriteOperationType.INSERT ||
+ operation == WriteOperationType.INSERT_PREPPED
+ }
+
+ def handleInsertDuplicates(incomingRecords: JavaRDD[HoodieRecord[_]],
+ hoodieConfig: HoodieConfig,
+ operation: WriteOperationType,
+ jsc: JavaSparkContext,
+ parameters: Map[String, String]):
JavaRDD[HoodieRecord[_]] = {
+ // If no deduplication is needed, return the incoming records as is
+ if (!isDeduplicationRequired(hoodieConfig) ||
!isDeduplicationNeeded(operation)) {
+ incomingRecords
+ } else {
+ // Perform deduplication
+ val deduplicatedRecords = DataSourceUtils.dropDuplicates(jsc,
incomingRecords, parameters.asJava)
Review Comment:
Will do.
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