Hello,
On 2015-08-30 PM 10:42, My Life wrote:
>
> For partitioned table's scan action, and JOIN action, we implemented
> a plan node named 'PartitionExpand'. the plan node can expand the
> partitioned table scan node into a list of partitions according to
> the filter and conditions. and it can expand partitioned table JOIN
> node into a list of partitions JOIN node wisely.
> We implemented a DynamicPrunePartition method, which can expand the
> partitioned table's scan node into a list of partition's scan node.
> We implemented a DynamicPrunePartitionJoin method, which can expand
> the partitioned table's JOIN node into a list of partition's JOIN node.
> These expand action happend in ExecInitPartitionExpand function, when
> initialize the executor. and all these action implemented based on the
> partition catalog.
>
In your design, can index scan be used for individual partition? If yes,
can you share how it is handled?
Thanks,
Amit