StefanXiepj commented on a change in pull request #1209:
URL: https://github.com/apache/hive/pull/1209#discussion_r452889505
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File path: ql/src/java/org/apache/hadoop/hive/ql/stats/StatsUtils.java
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@@ -1336,6 +1341,9 @@ public static long
getSizeOfPrimitiveTypeArraysFromType(String colType, int leng
*/
public static long getSizeOfMap(StandardConstantMapObjectInspector scmoi) {
Map<?, ?> map = scmoi.getWritableConstantValue();
+ if (null == map || map.isEmpty()) {
+ return 0L;
+ }
Review comment:
@belugabehr & @kgyrtkirk , I agree entirely with you! It have been
updated.
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