npawar commented on a change in pull request #6046:
URL: https://github.com/apache/incubator-pinot/pull/6046#discussion_r504138810
##########
File path:
pinot-plugins/pinot-input-format/pinot-csv/src/main/java/org/apache/pinot/plugin/inputformat/csv/CSVRecordReader.java
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@@ -95,8 +95,13 @@ public void init(File dataFile, Set<String> fieldsToRead,
@Nullable RecordReader
_recordExtractor = new CSVRecordExtractor();
CSVRecordExtractorConfig recordExtractorConfig = new
CSVRecordExtractorConfig();
recordExtractorConfig.setMultiValueDelimiter(multiValueDelimiter);
- _recordExtractor.init(fieldsToRead, recordExtractorConfig);
+
init();
+
+ if (fieldsToRead == null || fieldsToRead.isEmpty()) {
Review comment:
I prefer the alternate implementation. Reason being, the RecordExtractor
is a public API. They could be used in external applications. The external
users should not have to know that all except CSVRecordExtractor expect
fieldsToRead upfront.
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