dengzhhu653 commented on code in PR #5578:
URL: https://github.com/apache/hive/pull/5578#discussion_r1945954510
##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HMSHandler.java:
##########
@@ -7420,6 +7420,97 @@ public boolean delete_partition_column_statistics(String
dbName, String tableNam
return ret;
}
+
+ public boolean delete_column_statistics_req(DeleteColumnStatisticsRequest
req) throws TException {
+ boolean isDeletingTableLevel = req.getPart_name() == null ? true : false;
+ // partioned or not
+ // isPartitoned
+ String dbName = req.getDb_name();
+ String tableName = req.getTbl_name();
+ List<String> colNames = req.getCol_names();
+ String partName = req.getPart_name();
+ String engine = req.getEngine();
+ dbName = dbName.toLowerCase();
+ String[] parsedDbName = parseDbName(dbName, conf);
+ tableName = tableName.toLowerCase();
+
+ if (colNames != null) {
+ for (String colName : colNames) {
+ colName = colName.toLowerCase();
+ if (isDeletingTableLevel) {
+ startFunction("delete_column_statistics_by_table", ": table=" +
+ TableName.getQualified(parsedDbName[CAT_NAME],
parsedDbName[DB_NAME], tableName) + " column=" +
+ colName);
+ }
+ else {
+ startFunction("delete_column_statistics_by_partition", ": table=" +
+ TableName.getQualified(parsedDbName[CAT_NAME],
parsedDbName[DB_NAME], tableName) +
+ " partition=" + partName + " column=" + colName);
+ }
+ }
+ }
+ boolean ret = false, committed = false;
+ getMS().openTransaction();
+ try {
+ Table table = getMS().getTable(parsedDbName[CAT_NAME],
parsedDbName[DB_NAME], tableName);
+ boolean isPartitioned = table.isSetPartitionKeys() &&
table.getPartitionKeysSize() > 0;
+ if (TxnUtils.isTransactionalTable(table)) {
+ throw new MetaException("Cannot delete stats via this API for a
transactional table");
+ }
+ if (isDeletingTableLevel && !isPartitioned){
+ ret = getMS().deleteTableMultiColumnStatistics(parsedDbName[CAT_NAME],
parsedDbName[DB_NAME], tableName, colNames, engine);
+ if (ret && colNames != null) {
+ for (String colName : colNames) {
+ if (transactionalListeners != null &&
!transactionalListeners.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners,
+ EventType.DELETE_TABLE_COLUMN_STAT,
+ new DeleteTableColumnStatEvent(parsedDbName[CAT_NAME],
parsedDbName[DB_NAME],
+ tableName, colName, engine, this));
+ }
+ if (!listeners.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(listeners,
+ EventType.DELETE_TABLE_COLUMN_STAT,
+ new DeleteTableColumnStatEvent(parsedDbName[CAT_NAME],
parsedDbName[DB_NAME],
+ tableName, colName, engine, this));
+ }
+ }
+ }
+ }
+ else {
+ if (isDeletingTableLevel){
+ ret =
getMS().deletePartitionMultiColumnStatistics(parsedDbName[CAT_NAME],
parsedDbName[DB_NAME], tableName,
+ partName, null, colNames, engine);
+ }
+ List<String> partVals = getPartValsFromName(getMS(),
parsedDbName[CAT_NAME], parsedDbName[DB_NAME], tableName, partName);
+ ret =
getMS().deletePartitionMultiColumnStatistics(parsedDbName[CAT_NAME],
parsedDbName[DB_NAME], tableName,
Review Comment:
whether the partName is null or not, both of them can call `ret =
getMS().deletePartitionMultiColumnStatistics(parsedDbName[CAT_NAME],
parsedDbName[DB_NAME], tableName,
Comment
whether the partName is null or not, both of them can invoke
`getMS().deletePartitionMultiColumnStatistics(parsedDbName[CAT_NAME],
parsedDbName[DB_NAME], tableName, partName, colNames, engine);`, let RawStore
to check the `partName` is null or not
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