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| author | Eric Cox <eric.cox@mongodb.com> | 2021-09-10 17:33:18 +0000 |
|---|---|---|
| committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2021-09-10 18:11:19 +0000 |
| commit | 8cf8e390e760657ac0405d3c2fd4ea931a3e3ab0 (patch) | |
| tree | d0e4a8cf562dda3d870109eb4ea2449fc113dd35 /src/mongo/db/query/query_solution.h | |
| parent | efad1224fba430f2f8346a924fe929861d9bdf4a (diff) | |
| download | mongo-8cf8e390e760657ac0405d3c2fd4ea931a3e3ab0.tar.gz | |
SERVER-58428 Combine $group solution nodes and the winning plan into single solution
Diffstat (limited to 'src/mongo/db/query/query_solution.h')
| -rw-r--r-- | src/mongo/db/query/query_solution.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mongo/db/query/query_solution.h b/src/mongo/db/query/query_solution.h index f31fd8ea294..75365ecb3de 100644 --- a/src/mongo/db/query/query_solution.h +++ b/src/mongo/db/query/query_solution.h @@ -363,6 +363,13 @@ public: } /** + * Extends the solution's tree by attaching it to the tree rooted at 'extensionRoot'. The + * extension tree must contain exactly one 'SentinelNode' node that denotes the attachment + * point. The sentinel node will be replaces with the '_root' node. + */ + void extendWith(std::unique_ptr<QuerySolutionNode> extensionRoot); + + /** * Assigns the QuerySolutionNode rooted at 'root' to this QuerySolution. Also assigns a unique * identifying integer to each node in the tree, which can subsequently be displayed in debug * output (e.g. explain). |