dengzhhu653 commented on code in PR #5582:
URL: https://github.com/apache/hive/pull/5582#discussion_r1916337805
##########
ql/src/java/org/apache/hadoop/hive/ql/parse/repl/load/message/TruncatePartitionHandler.java:
##########
@@ -35,17 +39,39 @@
public class TruncatePartitionHandler extends AbstractMessageHandler {
@Override
public List<Task<?>> handle(Context context) throws SemanticException {
- AlterPartitionMessage msg =
deserializer.getAlterPartitionMessage(context.dmd.getPayload());
- final TableName tName = TableName.fromString(msg.getTable(), null,
- context.isDbNameEmpty() ? msg.getDB() : context.dbName);
-
- Map<String, String> partSpec = new LinkedHashMap<>();
+ final TableName tName;
org.apache.hadoop.hive.metastore.api.Table tblObj;
try {
- tblObj = msg.getTableObj();
- Iterator<String> afterIterator =
msg.getPtnObjAfter().getValuesIterator();
- for (FieldSchema fs : tblObj.getPartitionKeys()) {
- partSpec.put(fs.getName(), afterIterator.next());
+ if (MetastoreConf.getBoolVar(context.hiveConf,
+ MetastoreConf.ConfVars.NOTIFICATION_ALTER_PARTITIONS_V2_ENABLED)) {
+ AlterPartitionsMessage singleMsg =
deserializer.getAlterPartitionsMessage(
+ context.dmd.getPayload());
+ tName = TableName.fromString(singleMsg.getTable(), null,
+ context.isDbNameEmpty() ? singleMsg.getDB() : context.dbName);
+ tblObj = singleMsg.getTableObj();
+ List<Map<String, String>> afterPartitionsList =
singleMsg.getPartitions();
+ List<Task<?>> childTaskList = new ArrayList<>();
+ for(Map<String, String> afterIteratorMap : afterPartitionsList) {
+ Iterator<String> afterIterator =
afterIteratorMap.values().iterator();
+ Map<String, String> partSpec = new LinkedHashMap<>();
+ for (FieldSchema fs : tblObj.getPartitionKeys()) {
+ partSpec.put(fs.getName(), afterIterator.next());
Review Comment:
nit: `afterIterator.next` -> `afterIteratorMap.get(fs.getName())`
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