dengzhhu653 commented on code in PR #5578:
URL: https://github.com/apache/hive/pull/5578#discussion_r1886133222
##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java:
##########
@@ -10330,6 +10330,46 @@ public boolean deletePartitionColumnStatistics(String
catName, String dbName, St
return ret;
}
+ public boolean deletePartitionMultiColumnStatistics(String catName, String
dbName, String tableName,
+ String partName, List<String>
partVals, List<String> colNames, String engine)
+ throws NoSuchObjectException, MetaException, InvalidObjectException,
InvalidInputException {
+ boolean ret = false;
+ Query query = null;
+ dbName = org.apache.commons.lang3.StringUtils.defaultString(dbName,
+ Warehouse.DEFAULT_DATABASE_NAME);
+ catName = normalizeIdentifier(catName);
+ if (tableName == null) {
+ throw new InvalidInputException("Table name is null.");
+ }
+ try {
+ openTransaction();
+ MTable mTable = getMTable(catName, dbName, tableName);
+ if (mTable == null) {
+ throw new NoSuchObjectException("Table " + tableName
+ + " for which stats deletion is requested doesn't exist");
+ }
+ // Note: this does not verify ACID state; called internally when
removing cols/etc.
+ // Also called via an unused metastore API that checks for ACID
tables.
+ MPartition mPartition = getMPartition(catName, dbName, tableName,
partVals, mTable);
+ if (mPartition == null) {
+ throw new NoSuchObjectException("Partition " + partName
+ + " for which stats deletion is requested doesn't exist");
+ }
+ query = pm.newQuery(MPartitionColumnStatistics.class);
+ if (colNames != null) {
+ for (String colName : colNames){
+ deletePartitionColumnStatistics(catName, dbName, tableName,
partName, partVals, colName, engine);
Review Comment:
can we drop all the columns' statistics in a round?
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