xiangfu0 commented on code in PR #8465:
URL: https://github.com/apache/pinot/pull/8465#discussion_r848692810


##########
pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/segmentgenerationandpush/SegmentGenerationAndPushTaskGenerator.java:
##########
@@ -177,6 +180,76 @@ public List<PinotTaskConfig> 
generateTasks(List<TableConfig> tableConfigs) {
     return pinotTaskConfigs;
   }
 
+  @Override
+  public List<PinotTaskConfig> generateAdhocTasks(TableConfig tableConfig, 
Map<String, String> taskConfigs)
+      throws Exception {
+    String taskUUID = UUID.randomUUID().toString();
+    // Only generate tasks for OFFLINE tables
+    String offlineTableName = tableConfig.getTableName();
+    if (tableConfig.getTableType() != TableType.OFFLINE) {
+      LOGGER.warn("Skip generating SegmentGenerationAndPushTask for 
non-OFFLINE table: {}", offlineTableName);
+      return ImmutableList.of();
+    }
+
+    // Override task configs from table with adhoc task configs.
+    Map<String, String> batchConfigMap = new HashMap<>();
+    TableTaskConfig tableTaskConfig = tableConfig.getTaskConfig();
+    if (tableTaskConfig != null) {
+      batchConfigMap.putAll(
+          
tableTaskConfig.getConfigsForTaskType(MinionConstants.SegmentGenerationAndPushTask.TASK_TYPE));
+    }
+    batchConfigMap.putAll(taskConfigs);
+
+    int tableNumTasks = 0;
+    try {
+      URI inputDirURI =
+          
SegmentGenerationUtils.getDirectoryURI(batchConfigMap.get(BatchConfigProperties.INPUT_DIR_URI));
+      List<URI> inputFileURIs = getInputFilesFromDirectory(batchConfigMap, 
inputDirURI, Collections.emptySet());
+      if (inputFileURIs.isEmpty()) {
+        LOGGER.warn("Skip generating SegmentGenerationAndPushTask, no input 
files found : {}", inputDirURI);
+        return ImmutableList.of();

Review Comment:
   The response returns a table name to a list of task names mapping.
   E.g. if the input directory is empty or the files are filtered out then this 
should be an empty 2xx response.
   With tableName to empty list mapping. 
   



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