morningman commented on a change in pull request #4375:
URL: https://github.com/apache/incubator-doris/pull/4375#discussion_r471542377
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File path: fe/fe-core/src/main/java/org/apache/doris/catalog/OlapTable.java
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@@ -556,7 +556,9 @@ public KeysType getKeysType() {
}
public KeysType getKeysTypeByIndexId(long indexId) {
- return indexIdToMeta.get(indexId).getKeysType();
+ MaterializedIndexMeta indexMeta = indexIdToMeta.get(indexId);
+ Preconditions.checkNotNull(indexMeta);
Review comment:
You can add some message if you want to check it.
```suggestion
Preconditions.checkNotNull(indexMeta, "index id: " + indexId);
```
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