[GitHub] [incubator-doris] yiguolei commented on a diff in pull request #9283: Fix bug for nullptr on replayEraseTable

[GitBox <gi...@apache.org>]

yiguolei commented on code in PR #9283:
URL: https://github.com/apache/incubator-doris/pull/9283#discussion_r861492798


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fe/fe-core/src/main/java/org/apache/doris/catalog/CatalogRecycleBin.java:
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@@ -223,6 +223,13 @@ public synchronized void replayEraseTable(long tableId) {
         RecycleTableInfo tableInfo = idToTable.remove(tableId);
         idToRecycleTime.remove(tableId);
 
+        // tableInfo == null means tableId is not in image. replayEraseTable is used to drop this table.
+        // If it is not exist, table is already dropped, this replay operation is duplicate, so nothing to do.
+        if (tableInfo == null) {
+            LOG.warn("replayEraseTable, idToTable has no tableId: {}, ignore it", tableId);

Review Comment:
    If the table is dropped, then there should be drop table log and be replayed. Then erase table log will not occur. Any other things wrong?



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