[GitHub] [iceberg] szehon-ho commented on a change in pull request #2779: Spark : Add duplicate file check in add_files

[GitBox <gi...@apache.org>]

szehon-ho commented on a change in pull request #2779:
URL: https://github.com/apache/iceberg/pull/2779#discussion_r663321805



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File path: spark/src/main/java/org/apache/iceberg/spark/SparkTableUtil.java
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@@ -355,9 +366,11 @@ public boolean isDefinedAt(Expression attr) {
    * @param targetTable an Iceberg table where to import the data
    * @param stagingDir a staging directory to store temporary manifest files
    * @param partitionFilter only import partitions whose values match those in the map, can be partially defined
+   * @param checkDuplicateFiles if true, throw exception if import results in a duplicate data file
    */
   public static void importSparkTable(SparkSession spark, TableIdentifier sourceTableIdent, Table targetTable,
-                                      String stagingDir, Map<String, String> partitionFilter) {
+                                      String stagingDir, Map<String, String> partitionFilter,
+                                      boolean checkDuplicateFiles) {

Review comment:
       Yes you are right, I can do it.




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