Schema Evolution Scenarios¶
Schema evolution scenarios
Columns (including nested columns) can be added, deleted, modified, and moved.
Partition columns cannot be evolved.
You cannot add, delete, or perform operations on nested columns of the Array type.
Component | DDL Operation | Hudi Table Write Operation | Hudi Table Read Operation | Hudi Table Compaction Operation |
---|---|---|---|---|
SparkSQL | Y | Y | Y | Y |
Flink | N | Y | Y | Y |
HetuEngine | N | N | Y | N |
Hive | N | N | Y | N |