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Feature Support Detail
shiyuhang0 edited this page May 12, 2022
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| Feature Support | TiSpark 2.4.x | TiSpark 2.5.x | TiSpark master |
|---|---|---|---|
| SQL select without tidb_catalog | ✔ | ✔ | |
| SQL select with tidb_catalog | ✔ | ✔ | |
| SQL delete from with tidb_catalog | ✔ | ||
| DataFrame append | ✔ | ✔ | ✔ |
| DataFrame reads | ✔ | ✔ | ✔ |
TiDB starts to support view since tidb-3.0.
TiSpark currently does not support view. Users are not be able to observe or access data through view with TiSpark.
tidb-3.0 supports both Range Partition and Hash Partition.
TiSpark currently supports Range Partition and Hash Partition. Users can select data from the Range Partition table and the Hash Partition table through TiSpark.
In most cases, TiSpark use a full table scan on partition tables. Only in certain cases, TiSpark applies partition pruning. For more details, see here.
tidb-5.0 supports Expression Index.
TiSpark currently supports retrieving data from table with Expression Index, but the Expression Index will not be used by the planner of TiSpark.