morrySnow commented on code in PR #49345:
URL: https://github.com/apache/doris/pull/49345#discussion_r2006992229
##########
fe/fe-core/src/main/java/org/apache/doris/statistics/StatisticsCleaner.java:
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@@ -116,19 +116,35 @@ private void clearTableStats() {
// If ctlName, dbName and tblName exist, it means the table
stats is created under new version.
// First try to find the table by the given names. If table
exists, means the tableMeta is valid,
// it should be kept in memory.
+ boolean tableExist = false;
try {
- StatisticsUtil.findTable(stats.ctlName, stats.dbName,
stats.tblName);
- continue;
+ TableIf table = StatisticsUtil.findTable(stats.ctlName,
stats.dbName, stats.tblName);
+ // Tables may have identical names but different id, e.g.
replace table.
+ tableExist = table.getId() == id;
+ if (!tableExist) {
+ if (tableExistInInternalCatalog(internalCatalog, id)) {
+ LOG.debug("Table {}.{}.{} found with ID {}.",
+ stats.ctlName, stats.dbName,
stats.tblName, id);
+ tableExist = true;
+ }
+ }
} catch (Exception e) {
LOG.debug("Table {}.{}.{} not found.", stats.ctlName,
stats.dbName, stats.tblName);
+ // If we couldn't find table by names, try to find it in
internal catalog. This is to support older
+ // version which the tableStats object doesn't store the
names but only table id.
+ // We may remove external table's tableStats here, but
it's not a big problem.
+ // Because the stats in column_statistics table is still
available,
+ // the only disadvantage is auto analyze may be triggered
for this table.
+ // But it only happens once, the new table stats object
will have all the catalog,
+ // db and table names.
+ // Also support REPLACE TABLE
+ if (tableExistInInternalCatalog(internalCatalog, id)) {
+ LOG.debug("Table {}.{}.{} found with ID {}.",
+ stats.ctlName, stats.dbName, stats.tblName,
id);
+ tableExist = true;
+ }
}
- // If we couldn't find table by names, try to find it in
internal catalog. This is to support older
- // version which the tableStats object doesn't store the names
but only table id.
- // We may remove external table's tableStats here, but it's
not a big problem.
- // Because the stats in column_statistics table is still
available,
- // the only disadvantage is auto analyze may be triggered for
this table.
- // But it only happens once, the new table stats object will
have all the catalog, db and table names.
- if (tableExistInInternalCatalog(internalCatalog, id)) {
+ if (tableExist) {
Review Comment:
```suggestion
if (tableExist ||
tableExistInInternalCatalog(internalCatalog, id)) {
```
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