Vallishp commented on code in PR #42946:
URL: https://github.com/apache/doris/pull/42946#discussion_r1827183301
##########
fe/fe-core/src/main/java/org/apache/doris/datasource/InternalCatalog.java:
##########
@@ -601,6 +601,63 @@ public void replayDropDb(String dbName, boolean
isForceDrop, Long recycleTime) t
}
}
+ public void recoverDatabase(String dbName, long dbId, String newDbName)
throws DdlException {
+ // check is new db with same name already exist
+ if (!Strings.isNullOrEmpty(newDbName)) {
+ if (getDb(newDbName).isPresent()) {
+ throw new DdlException("Database[" + newDbName + "] already
exist.");
+ }
+ } else {
+ if (getDb(dbName).isPresent()) {
+ throw new DdlException("Database[" + dbName + "] already
exist.");
+ }
+ }
+
+ Database db = Env.getCurrentRecycleBin().recoverDatabase(dbName, dbId);
+
+ // add db to catalog
+ if (!tryLock(false)) {
+ throw new DdlException("Failed to acquire catalog lock. Try
again");
+ }
+ db.writeLock();
+ List<Table> tableList = db.getTablesOnIdOrder();
+ MetaLockUtils.writeLockTables(tableList);
+ try {
+ if (!Strings.isNullOrEmpty(newDbName)) {
+ if (fullNameToDb.containsKey(newDbName)) {
+ throw new DdlException("Database[" + newDbName + "]
already exist.");
+ // it's ok that we do not put db back to CatalogRecycleBin
+ // cause this db cannot recover any more
+ }
+ } else {
+ if (fullNameToDb.containsKey(db.getFullName())) {
+ throw new DdlException("Database[" + db.getFullName() + "]
already exist.");
+ // it's ok that we do not put db back to CatalogRecycleBin
+ // cause this db cannot recover any more
+ }
+ }
+ if (!Strings.isNullOrEmpty(newDbName)) {
+ try {
+ db.writeUnlock();
+ db.setNameWithLock(newDbName);
+ } finally {
+ db.writeLock();
+ }
+ }
+ fullNameToDb.put(db.getFullName(), db);
+ idToDb.put(db.getId(), db);
+ // log
+ RecoverInfo recoverInfo = new RecoverInfo(db.getId(), -1L, -1L,
newDbName, "", "");
+ Env.getCurrentEnv().getEditLog().logRecoverDb(recoverInfo);
+ db.unmarkDropped();
+ } finally {
+ MetaLockUtils.writeUnlockTables(tableList);
+ db.writeUnlock();
+ unlock();
+ }
+ LOG.info("recover database[{}]", db.getId());
+ }
+
public void recoverDatabase(RecoverDbStmt recoverStmt) throws DdlException
{
// check is new db with same name already exist
String newDbName = recoverStmt.getNewDbName();
Review Comment:
thanks have handled it
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