[enhance](mtmv)Improve the speed of obtaining table snapshots (apache…

…#40717)

Batch fetch HivePartition to avoid a large number of RPC without cache

fe/fe-core/src/main/java/org/apache/doris/datasource/hive/HMSExternalTable.java

@@ -760,26 +760,26 @@ public MTMVSnapshotIf getTableSnapshot(MTMVRefreshContext context) throws Analys
  if (getPartitionType() == PartitionType.UNPARTITIONED) {
  return new MTMVMaxTimestampSnapshot(getName(), getLastDdlTime());
  }
- Long maxPartitionId = 0L;
+ HivePartition maxPartition = null;
  long maxVersionTime = 0L;
  long visibleVersionTime;
  HiveMetaStoreCache cache = Env.getCurrentEnv().getExtMetaCacheMgr()
  .getMetaStoreCache((HMSExternalCatalog) getCatalog());
  HiveMetaStoreCache.HivePartitionValues hivePartitionValues = cache.getPartitionValues(
  getDbName(), getName(), getPartitionColumnTypes());
- BiMap<Long, String> idToName = hivePartitionValues.getPartitionNameToIdMap().inverse();
- if (MapUtils.isEmpty(idToName)) {
- throw new AnalysisException("partitions is empty for : " + getName());
+ List<HivePartition> partitionList = cache.getAllPartitionsWithCache(getDbName(), getName(),
+ Lists.newArrayList(hivePartitionValues.getPartitionValuesMap().values()));
+ if (CollectionUtils.isEmpty(partitionList)) {
+ throw new AnalysisException("partitionList is empty, table name: " + getName());
  }
- for (Long partitionId : idToName.keySet()) {
- visibleVersionTime = getHivePartitionByIdOrAnalysisException(partitionId, hivePartitionValues,
- cache).getLastModifiedTime();
+ for (HivePartition hivePartition : partitionList) {
+ visibleVersionTime = hivePartition.getLastModifiedTime();
  if (visibleVersionTime > maxVersionTime) {
  maxVersionTime = visibleVersionTime;
- maxPartitionId = partitionId;
+ maxPartition = hivePartition;
  }
  }
- return new MTMVMaxTimestampSnapshot(idToName.get(maxPartitionId), maxVersionTime);
+ return new MTMVMaxTimestampSnapshot(maxPartition.getPartitionName(getPartitionColumns()), maxVersionTime);
  }
 
  private Long getPartitionIdByNameOrAnalysisException(String partitionName,