re20052 commented on code in PR #66187:
URL: https://github.com/apache/doris/pull/66187#discussion_r3688220993
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fe/fe-core/src/main/java/org/apache/doris/catalog/OlapTable.java:
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@@ -1508,6 +1508,42 @@ public Partition getPartition(String partitionName,
boolean isTempPartition) {
}
}
+ @Override
+ public Partition getMaxVisiblePartition() {
+ PartitionInfo partitionInfo = getPartitionInfo();
+ PartitionType type = partitionInfo.getType();
+ // LIST has no natural "latest"; UNPARTITIONED has a single partition.
+ // Neither participates in the range-max scan below.
+ if (type == PartitionType.LIST) {
+ // no meaningful "max" partition -> caller builds an empty query
+ return null;
+ }
+ if (type == PartitionType.UNPARTITIONED) {
+ for (Partition partition : nameToPartition.values()) {
+ if (partition.getVisibleVersion() >
Partition.PARTITION_INIT_VERSION) {
+ return partition;
+ }
+ }
+ return null;
+ }
+ Partition result = null;
+ PartitionKey maxUpperBound = null;
+ for (Partition partition : nameToPartition.values()) {
+ if (partition.getVisibleVersion() <=
Partition.PARTITION_INIT_VERSION) {
Review Comment:
doneļ¼
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