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doris/fe
zhengshiJ a60cfab844 [feature](Nereids) Add subquery analyze (#11300)
Increase the parsing of subquery.

Add LogicalApply and LogicalCorrelatedJoin and LogicalEnforceSingleRow.
(These structures are temporarily in use, in preparation for the follow-up)

LogicalApply:
Apply Node for subquery.
Use this node to display the subquery in the relational algebra tree.
refer to "Orthogonal Optimization of Subqueries and Aggregation"

LogicalCorrelatedJoin:
A relational algebra node with join type converted from apply node to subquery.

LogicalEnforceSingleRow:
Guaranteed to return a result of 1 row.
2022-07-29 12:44:04 +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