Github user lionelcao commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1192#discussion_r130506636
--- Diff:
core/src/main/java/org/apache/carbondata/core/metadata/schema/PartitionInfo.java
---
@@ -65,6 +65,31 @@ public PartitionInfo(List<ColumnSchema>
columnSchemaList, PartitionType partitio
this.partitionIds = new ArrayList<>();
}
+ /**
+ * add partition means split default partition, add in last directly
+ */
+ public void addPartition(int addPartitionCount) {
+ for (int i = 0; i < addPartitionCount; i++) {
+ partitionIds.add(++MAX_PARTITION);
+ numPartitions++;
+ }
+ }
+
+ /**
+ * e.g. original partition[0,1,2,3,4,5]
+ * split partition 2 to partition 6,7,8 (will not reuse 2)
+ * then sourcePartitionId is 2, newPartitionNumbers is 3
+ * @param sourcePartitionIndex
+ * @param newPartitionNumbers
+ */
+ public void splitPartition(int sourcePartitionIndex, int
newPartitionNumbers) {
--- End diff --
"When will partition-split action be triggeredï¼"
Please refer to my description in 'Conversation' Tab, user can execute
alter table add or split statement.
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