morningman commented on a change in pull request #5315:
URL: https://github.com/apache/incubator-doris/pull/5315#discussion_r566179490
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File path:
fe/fe-core/src/main/java/org/apache/doris/alter/SchemaChangeHandler.java
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@@ -753,6 +753,8 @@ private void addColumnInternal(OlapTable olapTable, Column
newColumn, ColumnPosi
throw new DdlException("Can not assign aggregation method on
key column: " + newColName);
} else if (null == newColumn.getAggregationType()) {
newColumn.setIsKey(true);
+ } else if (newColumn.getAggregationType() == AggregateType.SUM &&
!newColumn.getDefaultValue().equals("0")) {
Review comment:
`newColumn.getDefaultValue()` may be `null` here?
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