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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-11-30 05:21:03 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-11-30 05:21:03 +0000 |
| commit | 935969415a90065d4bc4b2643b4c9c50518c934b (patch) | |
| tree | 49488aee7f8c95a338e4b53024d4aaeb36d2abcc /src/backend/optimizer/README | |
| parent | 829cedc8cf04801c8fce49afa5dd57b3833b969f (diff) | |
| download | postgresql-935969415a90065d4bc4b2643b4c9c50518c934b.tar.gz | |
Be more realistic about plans involving Materialize nodes: take their
cost into account while planning.
Diffstat (limited to 'src/backend/optimizer/README')
| -rw-r--r-- | src/backend/optimizer/README | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/backend/optimizer/README b/src/backend/optimizer/README index 698b831a9c..f4d64ebbca 100644 --- a/src/backend/optimizer/README +++ b/src/backend/optimizer/README @@ -259,7 +259,8 @@ RelOptInfo - a relation or joined relations IndexPath - index scans TidPath - scan by CTID AppendPath - append multiple subpaths together - ResultPath - a Result plan (used for variable-free tlist or qual) + ResultPath - a Result plan node (used for variable-free tlist or qual) + MaterialPath - a Material plan node NestPath - nested-loop joins MergePath - merge joins HashPath - hash joins |