arekusuri commented on a change in pull request #2722: GOBBLIN-865: Add feature 
that enables PK-chunking in partition
URL: https://github.com/apache/incubator-gobblin/pull/2722#discussion_r324385070
 
 

 ##########
 File path: 
gobblin-salesforce/src/main/java/org/apache/gobblin/salesforce/SalesforceExtractor.java
 ##########
 @@ -588,11 +576,41 @@ public String getTimestampPredicateCondition(String 
column, long value, String v
     return dataTypeMap;
   }
 
+
+  private String partitionPkChunkingJobId = null;
+  private Iterator<String> partitionPkChunkingBatchIdResultIterator = null;
+
+  private Iterator<JsonElement> getRecordSetPkchunking(WorkUnit workUnit) 
throws RuntimeException {
+    if (partitionPkChunkingBatchIdResultIterator == null) {
+      partitionPkChunkingJobId = workUnit.getProp(PK_CHUNKING_JOB_ID);
+      partitionPkChunkingBatchIdResultIterator = 
Arrays.stream(workUnit.getProp(PK_CHUNKING_BATCH_RESULT_IDS).split(",")).iterator();
+    }
+    if (!partitionPkChunkingBatchIdResultIterator.hasNext()) {
+      return null;
+    }
+    try {
+      if (!bulkApiLogin()) {
+        throw new IllegalArgumentException("Invalid Login");
+      }
+    } catch (Exception e) {
+      throw new RuntimeException(e);
+    }
+    String[] batchIdResultIdArray = 
partitionPkChunkingBatchIdResultIterator.next().split(":");
+    String batchId = batchIdResultIdArray[0];
+    String resultId = batchIdResultIdArray[1];
+    List<JsonElement> rs = fetchPkChunkingResultSetWithRetry(bulkConnection, 
partitionPkChunkingJobId, batchId, resultId, fetchRetryLimit);
+    return rs.iterator();
+  }
+
   @Override
   public Iterator<JsonElement> getRecordSetFromSourceApi(String schema, String 
entity, WorkUnit workUnit,
       List<Predicate> predicateList) throws IOException {
     log.debug("Getting salesforce data using bulk api");
-    RecordSet<JsonElement> rs = null;
+
+    // new version of extractor: bulk api with pk-chunking in pre-partitioning 
of SalesforceSource
+    if (!workUnit.getProp(PK_CHUNKING_JOB_ID, "").equals("")) {
 
 Review comment:
   Thanks! will do.

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