diff --git a/fe/fe-core/src/main/java/org/apache/doris/alter/MaterializedViewHandler.java b/fe/fe-core/src/main/java/org/apache/doris/alter/MaterializedViewHandler.java index 1e0c14f99e..917e8006b0 100644 --- a/fe/fe-core/src/main/java/org/apache/doris/alter/MaterializedViewHandler.java +++ b/fe/fe-core/src/main/java/org/apache/doris/alter/MaterializedViewHandler.java @@ -444,6 +444,10 @@ public class MaterializedViewHandler extends AlterHandler { if (mvColumnItem.isKey()) { ++numOfKeys; } + if (baseColumn == null) { + throw new DdlException("The mv column of agg or uniq table cannot be transformed " + + "from original column[" + mvColumnItem.getBaseColumnName() + "]"); + } Preconditions.checkNotNull(baseColumn, "Column[" + mvColumnName + "] does not exist"); AggregateType baseAggregationType = baseColumn.getAggregationType(); AggregateType mvAggregationType = mvColumnItem.getAggregationType();