abstractdog commented on a change in pull request #1280:
URL: https://github.com/apache/hive/pull/1280#discussion_r469109686
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File path:
ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/aggregates/VectorAggregateExpression.java
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@@ -20,24 +20,25 @@
import java.io.Serializable;
+import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.common.type.DataTypePhysicalVariation;
import org.apache.hadoop.hive.ql.exec.vector.ColumnVector;
import org.apache.hadoop.hive.ql.exec.vector.VectorAggregationBufferRow;
import org.apache.hadoop.hive.ql.exec.vector.VectorAggregationDesc;
import org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch;
import org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression;
import org.apache.hadoop.hive.ql.metadata.HiveException;
-import org.apache.hadoop.hive.ql.plan.AggregationDesc;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator;
-import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector;
import org.apache.hadoop.hive.serde2.typeinfo.TypeInfo;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.Mode;
/**
* Base class for aggregation expressions.
*/
public abstract class VectorAggregateExpression implements Serializable {
-
+ protected final Logger LOG = LoggerFactory.getLogger(getClass().getName());
Review comment:
personally, I don't really like protected static Logger, because
subclasses won't show the actual class name (only the parent), but in this
case, this LOG is not used in VectorUDAFBloomFilterMerge at all, it's useless
leftover, I'm going to remove it
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