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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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3
src/include/nodes/pg_list.h
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@@ -134,16 +134,19 @@ list_length(const List *l)
#define list_make2(x1,x2) lcons(x1, list_make1(x2))
#define list_make3(x1,x2,x3) lcons(x1, list_make2(x2, x3))
#define list_make4(x1,x2,x3,x4) lcons(x1, list_make3(x2, x3, x4))
#define list_make5(x1,x2,x3,x4,x5) lcons(x1, list_make4(x2, x3, x4, x5))
#define list_make1_int(x1) lcons_int(x1, NIL)
#define list_make2_int(x1,x2) lcons_int(x1, list_make1_int(x2))
#define list_make3_int(x1,x2,x3) lcons_int(x1, list_make2_int(x2, x3))
#define list_make4_int(x1,x2,x3,x4) lcons_int(x1, list_make3_int(x2, x3, x4))
#define list_make5_int(x1,x2,x3,x4,x5) lcons_int(x1, list_make4_int(x2, x3, x4, x5))
#define list_make1_oid(x1) lcons_oid(x1, NIL)
#define list_make2_oid(x1,x2) lcons_oid(x1, list_make1_oid(x2))
#define list_make3_oid(x1,x2,x3) lcons_oid(x1, list_make2_oid(x2, x3))
#define list_make4_oid(x1,x2,x3,x4) lcons_oid(x1, list_make3_oid(x2, x3, x4))
#define list_make5_oid(x1,x2,x3,x4,x5) lcons_oid(x1, list_make4_oid(x2, x3, x4, x5))
/*
* foreach -