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doris/fe
Kikyou1997 9a74ad1702 [feature](Nereids)add the ability of projection on each ExecNode and add column prune on OlapScan (#11842)
We have added logical project before, but to actually finish the prune to reduce the data IO, we need to add related supports in translator and BE.
This PR:
- add projections on each ExecNode in BE
- translate PhysicalProject into projections on PlanNode in FE
- do column prune on ScanNode in FE

Co-authored-by: HappenLee <happenlee@hotmail.com>
2022-08-30 16:17:10 +08:00
..

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# fe-common

This module is used to store some common classes of other modules.

# spark-dpp

This module is Spark DPP program, used for Spark Load function.
Depends: fe-common

# fe-core

This module is the main process module of FE.
Depends: fe-common, spark-dpp