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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2011-02-22 19:23:23 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2011-02-22 19:24:40 -0500 |
| commit | bdca82f44d0e0168dece56cbd53b54ba142f328f (patch) | |
| tree | 0a627b98d399ddce7b4523cf1d138e721a860f9d /src/backend/parser/parse_relation.c | |
| parent | 1c51c7d5ffd407426f314b2cd317ef77f14efb1f (diff) | |
| download | postgresql-bdca82f44d0e0168dece56cbd53b54ba142f328f.tar.gz postgresql-bdca82f44d0e0168dece56cbd53b54ba142f328f.zip | |
Add a relkind field to RangeTblEntry to avoid some syscache lookups.
The recent additions for FDW support required checking foreign-table-ness
in several places in the parse/plan chain. While it's not clear whether
that would really result in a noticeable slowdown, it seems best to avoid
any performance risk by keeping a copy of the relation's relkind in
RangeTblEntry. That might have some other uses later, anyway.
Per discussion.
Diffstat (limited to 'src/backend/parser/parse_relation.c')
| -rw-r--r-- | src/backend/parser/parse_relation.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/backend/parser/parse_relation.c b/src/backend/parser/parse_relation.c index 497c726f314..033ed411fde 100644 --- a/src/backend/parser/parse_relation.c +++ b/src/backend/parser/parse_relation.c @@ -894,6 +894,7 @@ addRangeTableEntry(ParseState *pstate, lockmode = isLockedRefname(pstate, refname) ? RowShareLock : AccessShareLock; rel = parserOpenTable(pstate, relation, lockmode); rte->relid = RelationGetRelid(rel); + rte->relkind = rel->rd_rel->relkind; /* * Build the list of effective column names using user-supplied aliases @@ -956,6 +957,7 @@ addRangeTableEntryForRelation(ParseState *pstate, rte->rtekind = RTE_RELATION; rte->alias = alias; rte->relid = RelationGetRelid(rel); + rte->relkind = rel->rd_rel->relkind; /* * Build the list of effective column names using user-supplied aliases |