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Directly modify foreign tables.

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postgres_fdw can now sent an UPDATE or DELETE statement directly to
the foreign server in simple cases, rather than sending a SELECT FOR
UPDATE statement and then updating or deleting rows one-by-one.

Etsuro Fujita, reviewed by Rushabh Lathia, Shigeru Hanada, Kyotaro
Horiguchi, Albe Laurenz, Thom Brown, and me.
This commit is contained in:
Robert Haas
2016-03-18 13:48:58 -04:00
parent 3422feccca
commit 0bf3ae88af
21 changed files with 1515 additions and 125 deletions
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src/include/optimizer/plancat.h
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@@ -55,4 +55,6 @@ extern Selectivity join_selectivity(PlannerInfo *root,
JoinType jointype,
SpecialJoinInfo *sjinfo);
extern bool has_row_triggers(PlannerInfo *root, Index rti, CmdType event);
#endif /* PLANCAT_H */