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| author | Robert Haas <rhaas@postgresql.org> | 2016-04-21 13:30:48 -0400 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2016-04-21 13:30:48 -0400 |
| commit | 36f69faeff540cd93de0b6aa7c2d2a7781d637a6 (patch) | |
| tree | 32932cc9252c4ae5be42c83dd76a53720be1acef /src | |
| parent | 9f84280ae94b43b75dcf32aef433545335e7bb16 (diff) | |
| download | postgresql-36f69faeff540cd93de0b6aa7c2d2a7781d637a6.tar.gz postgresql-36f69faeff540cd93de0b6aa7c2d2a7781d637a6.zip | |
Comment improvements for ForeignPath.
It's not necessarily just scanning a base relation any more.
Amit Langote and Etsuro Fujita
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/optimizer/README | 2 | ||||
| -rw-r--r-- | src/include/nodes/relation.h | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/optimizer/README b/src/backend/optimizer/README index 5e124597eea..24071729282 100644 --- a/src/backend/optimizer/README +++ b/src/backend/optimizer/README @@ -355,7 +355,7 @@ RelOptInfo - a relation or joined relations BitmapHeapPath - top of a bitmapped index scan TidPath - scan by CTID SubqueryScanPath - scan a subquery-in-FROM - ForeignPath - scan a foreign table + ForeignPath - scan a foreign table, foreign join or foreign upper-relation CustomPath - for custom scan providers AppendPath - append multiple subpaths together MergeAppendPath - merge multiple subpaths, preserving their common sort order diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h index e9dfb663c20..45739c3ee7a 100644 --- a/src/include/nodes/relation.h +++ b/src/include/nodes/relation.h @@ -1030,7 +1030,8 @@ typedef struct SubqueryScanPath } SubqueryScanPath; /* - * ForeignPath represents a potential scan of a foreign table + * ForeignPath represents a potential scan of a foreign table, foreign join + * or foreign upper-relation. * * fdw_private stores FDW private data about the scan. While fdw_private is * not actually touched by the core code during normal operations, it's |