[HUDI-4078][HUDI-FLINK]BootstrapOperator contains the pending compact…

hudi-common/src/main/java/org/apache/hudi/common/table/view/TableFileSystemView.java

@@ -124,7 +124,7 @@ Stream<FileSlice> getLatestFileSlicesBeforeOrOn(String partitionPath, String max
      * @param maxInstantTime Max Instant Time
      * @return
      */
-    public Stream<FileSlice> getLatestMergedFileSlicesBeforeOrOn(String partitionPath, String maxInstantTime);
+    Stream<FileSlice> getLatestMergedFileSlicesBeforeOrOn(String partitionPath, String maxInstantTime);
 
     /**
      * Stream all the latest file slices, in the given range.

hudi-common/src/main/java/org/apache/hudi/common/util/Functions.java

@@ -33,28 +33,28 @@ static Runnable noop() {
   /**
    * A function which has not any parameter.
    */
-  public interface Function0<R> extends Serializable {
+  interface Function0<R> extends Serializable {
     R apply();
   }
 
   /**
    * A function which contains only one parameter.
    */
-  public interface Function1<T1, R> extends Serializable {
+  interface Function1<T1, R> extends Serializable {
     R apply(T1 val1);
   }
 
   /**
    * A function which contains two parameters.
    */
-  public interface Function2<T1, T2, R> extends Serializable {
+  interface Function2<T1, T2, R> extends Serializable {
     R apply(T1 val1, T2 val2);
   }
 
   /**
    * A function which contains three parameters.
    */
-  public interface Function3<T1, T2, T3, R> extends Serializable {
+  interface Function3<T1, T2, T3, R> extends Serializable {
     R apply(T1 val1, T2 val2, T3 val3);
   }
 }

hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/sink/bootstrap/BootstrapOperator.java

@@ -198,7 +198,7 @@ protected void loadRecords(String partitionPath) throws Exception {
       Schema schema = new TableSchemaResolver(this.hoodieTable.getMetaClient()).getTableAvroSchema();
 
       List<FileSlice> fileSlices = this.hoodieTable.getSliceView()
-          .getLatestFileSlicesBeforeOrOn(partitionPath, latestCommitTime.get().getTimestamp(), true)
+          .getLatestMergedFileSlicesBeforeOrOn(partitionPath, latestCommitTime.get().getTimestamp())
           .collect(toList());
 
       for (FileSlice fileSlice : fileSlices) {

hudi-flink-datasource/hudi-flink/src/test/java/org/apache/hudi/sink/TestWriteCopyOnWrite.java

@@ -352,6 +352,10 @@ public void testIndexStateBootstrap() throws Exception {
 
     // reset the config option
     conf.setBoolean(FlinkOptions.INDEX_BOOTSTRAP_ENABLED, true);
+    validateIndexLoaded();
+  }
+
+  protected void validateIndexLoaded() throws Exception {
     preparePipeline(conf)
         .consume(TestData.DATA_SET_UPDATE_INSERT)
         .checkIndexLoaded(
@@ -418,7 +422,7 @@ private TestHarness preparePipeline() throws Exception {
     return TestHarness.instance().preparePipeline(tempFile, conf);
   }
 
-  private TestHarness preparePipeline(Configuration conf) throws Exception {
+  protected TestHarness preparePipeline(Configuration conf) throws Exception {
     return TestHarness.instance().preparePipeline(tempFile, conf);
   }
 

hudi-flink-datasource/hudi-flink/src/test/java/org/apache/hudi/sink/TestWriteMergeOnRead.java

@@ -20,8 +20,10 @@
 
 import org.apache.hudi.common.model.HoodieTableType;
 import org.apache.hudi.configuration.FlinkOptions;
+import org.apache.hudi.utils.TestData;
 
 import org.apache.flink.configuration.Configuration;
+import org.junit.jupiter.api.Test;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -36,6 +38,27 @@ protected void setUp(Configuration conf) {
     conf.setBoolean(FlinkOptions.COMPACTION_ASYNC_ENABLED, false);
   }
 
+  @Test
+  public void testIndexStateBootstrapWithCompactionScheduled() throws Exception {
+    // sets up the delta commits as 1 to generate a new compaction plan.
+    conf.setInteger(FlinkOptions.COMPACTION_DELTA_COMMITS, 1);
+    // open the function and ingest data
+    preparePipeline(conf)
+        .consume(TestData.DATA_SET_INSERT)
+        .assertEmptyDataFiles()
+        .checkpoint(1)
+        .assertNextEvent()
+        .checkpointComplete(1)
+        .checkWrittenData(EXPECTED1, 4)
+        .end();
+
+    // reset config options
+    conf.removeConfig(FlinkOptions.COMPACTION_DELTA_COMMITS);
+    // sets up index bootstrap
+    conf.setBoolean(FlinkOptions.INDEX_BOOTSTRAP_ENABLED, true);
+    validateIndexLoaded();
+  }
+
   @Override
   public void testInsertClustering() {
     // insert clustering is only valid for cow table.

hudi-flink-datasource/hudi-flink/src/test/java/org/apache/hudi/utils/TestData.java

@@ -21,6 +21,7 @@
 import org.apache.hudi.client.common.HoodieFlinkEngineContext;
 import org.apache.hudi.common.config.HoodieCommonConfig;
 import org.apache.hudi.common.fs.FSUtils;
+import org.apache.hudi.common.model.HoodieLogFile;
 import org.apache.hudi.common.table.HoodieTableMetaClient;
 import org.apache.hudi.common.table.log.HoodieMergedLogRecordScanner;
 import org.apache.hudi.common.testutils.HoodieTestUtils;
@@ -641,10 +642,11 @@ public static void checkWrittenDataMOR(
       File[] dataFiles = partitionDir.listFiles(file ->
           file.getName().contains(".log.") && !file.getName().startsWith(".."));
       assertNotNull(dataFiles);
-      HoodieMergedLogRecordScanner scanner = getScanner(
-          fs, baseFile.getPath(), Arrays.stream(dataFiles).map(File::getAbsolutePath)
-              .sorted(Comparator.naturalOrder()).collect(Collectors.toList()),
-          schema, latestInstant);
+      List<String> logPaths = Arrays.stream(dataFiles)
+          .sorted((f1, f2) -> HoodieLogFile.getLogFileComparator()
+              .compare(new HoodieLogFile(f1.getPath()), new HoodieLogFile(f2.getPath())))
+          .map(File::getAbsolutePath).collect(Collectors.toList());
+      HoodieMergedLogRecordScanner scanner = getScanner(fs, baseFile.getPath(), logPaths, schema, latestInstant);
       List<String> readBuffer = scanner.getRecords().values().stream()
           .map(hoodieRecord -> {
             try {