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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2010-10-07 20:00:28 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2010-10-07 20:00:28 -0400 |
| commit | 3ba11d3df2115b04171a8eda8e0389e02578d8d0 (patch) | |
| tree | 9ae749f1499b9e0e00032272d7a5d1c3f1266c02 /src/include/optimizer/planner.h | |
| parent | 694c56af2b586551afda624901d6dec951b58027 (diff) | |
Teach CLUSTER to use seqscan-and-sort when it's faster than indexscan.
... or at least, when the planner's cost estimates say it will be faster.
Leonardo Francalanci, reviewed by Itagaki Takahiro and Tom Lane
Diffstat (limited to 'src/include/optimizer/planner.h')
| -rw-r--r-- | src/include/optimizer/planner.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/include/optimizer/planner.h b/src/include/optimizer/planner.h index 8552d6eeb0a..ef7287d8b59 100644 --- a/src/include/optimizer/planner.h +++ b/src/include/optimizer/planner.h @@ -37,4 +37,6 @@ extern Plan *subquery_planner(PlannerGlobal *glob, Query *parse, extern Expr *expression_planner(Expr *expr); +extern bool plan_cluster_use_sort(Oid tableOid, Oid indexOid); + #endif /* PLANNER_H */ |