Jackie-Jiang commented on a change in pull request #5238: Evaluate schema
transform expressions during ingestion
URL: https://github.com/apache/incubator-pinot/pull/5238#discussion_r408533504
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File path:
pinot-spi/src/main/java/org/apache/pinot/spi/data/readers/RecordExtractor.java
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@@ -18,16 +18,29 @@
*/
package org.apache.pinot.spi.data.readers;
-import org.apache.pinot.spi.data.Schema;
+import java.util.List;
+
+/**
+ * Extracts fields from input records
+ * @param <T> The format of the input record
+ */
public interface RecordExtractor<T> {
+
+ /**
+ * Initialize the record extractor with its config
+ *
+ * @param fields List of field names to extract from the provided input
record
+ * @param recordExtractorConfig The record extractor config
+ */
+ void init(List<String> fields, RecordExtractorConfig recordExtractorConfig);
Review comment:
This should also take a set
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