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| author | Etsuro Fujita <efujita@postgresql.org> | 2019-04-02 19:55:12 +0900 |
|---|---|---|
| committer | Etsuro Fujita <efujita@postgresql.org> | 2019-04-02 19:55:12 +0900 |
| commit | aef65db6769e3f2c855dd89edcf95a536a9ab74f (patch) | |
| tree | ba2a11b20db8370a14e499d6d9aeef58ae7be24e /src/include/optimizer/pathnode.h | |
| parent | 0269edefacb78700c95572c41a5a4c8633b631b6 (diff) | |
Refactor create_limit_path() to share cost adjustment code with FDWs.
This is in preparation for an upcoming commit.
Author: Etsuro Fujita
Reviewed-By: Antonin Houska and Jeff Janes
Discussion: https://postgr.es/m/87pnz1aby9.fsf@news-spur.riddles.org.uk
Diffstat (limited to 'src/include/optimizer/pathnode.h')
| -rw-r--r-- | src/include/optimizer/pathnode.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/optimizer/pathnode.h b/src/include/optimizer/pathnode.h index 3a803b3fd00..5b577c12eca 100644 --- a/src/include/optimizer/pathnode.h +++ b/src/include/optimizer/pathnode.h @@ -265,6 +265,9 @@ extern LimitPath *create_limit_path(PlannerInfo *root, RelOptInfo *rel, Path *subpath, Node *limitOffset, Node *limitCount, int64 offset_est, int64 count_est); +extern void adjust_limit_rows_costs(double *rows, + Cost *startup_cost, Cost *total_cost, + int64 offset_est, int64 count_est); extern Path *reparameterize_path(PlannerInfo *root, Path *path, Relids required_outer, |