Jackie-Jiang commented on a change in pull request #4585: Presence vector
URL: https://github.com/apache/incubator-pinot/pull/4585#discussion_r337635519
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File path:
pinot-core/src/main/java/org/apache/pinot/core/data/recordtransformer/NullValueTransformer.java
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@@ -19,18 +19,27 @@
package org.apache.pinot.core.data.recordtransformer;
import java.util.HashMap;
+import java.util.HashSet;
import java.util.List;
import java.util.Map;
+import java.util.Set;
import org.apache.pinot.common.data.FieldSpec;
import org.apache.pinot.common.data.FieldSpec.FieldType;
import org.apache.pinot.common.data.Schema;
+import org.apache.pinot.common.utils.CommonConstants;
import org.apache.pinot.core.data.GenericRow;
public class NullValueTransformer implements RecordTransformer {
Review comment:
null values has been integrated into GenericRow in #4671
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