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From: Pavel Stehule on 14 Jul 2010 02:15
Hello

please, can you refresh patch, please?

[pavel(a)nemesis pgsql]$ patch -p1 < backend.patch
patching file src/backend/access/common/reloptions.c
patching file src/backend/catalog/Makefile
patching file src/backend/catalog/aclchk.c
patching file src/backend/catalog/dependency.c
patching file src/backend/catalog/heap.c
patching file src/backend/catalog/system_views.sql
patching file src/backend/commands/alter.c
patching file src/backend/commands/analyze.c
patching file src/backend/commands/comment.c
patching file src/backend/commands/copy.c
patching file src/backend/commands/discard.c
patching file src/backend/commands/explain.c
patching file src/backend/commands/foreigncmds.c
patching file src/backend/commands/lockcmds.c
patching file src/backend/commands/tablecmds.c
Hunk #6 FAILED at 1980.
Hunk #25 succeeded at 7190 (offset 3 lines).
Hunk #26 succeeded at 7795 (offset 3 lines).
Hunk #27 succeeded at 7812 (offset 3 lines).
Hunk #28 succeeded at 7843 (offset 3 lines).
1 out of 28 hunks FAILED -- saving rejects to file
src/backend/commands/tablecmds.c.rej
patching file src/backend/commands/vacuum.c
patching file src/backend/executor/Makefile
patching file src/backend/executor/execAmi.c


*** src/backend/commands/tablecmds.c
--- src/backend/commands/tablecmds.c
*************** renameatt(Oid myrelid,
*** 1980,1989 ****
-- 1993,2003 ----
-><------>ereport(ERROR,
 <----><------><------><------>(errcode(ERRCODE_WRONG_OBJECT_TYPE),
! <----><------><------><------> errmsg("\"%s\" is not a table, view,
composite type,index or foreign table", <<<<< missing space before
index
 <----><------><------><------><------><------>RelationGetRelationName(targetrelation))));

is there a some special reason to divide diff to separate parts?

I can't to compile code

execAmi.c: In function 'ExecReScan':
execAmi.c:186: error: 'exprCtxt' undeclared (first use in this function)
execAmi.c:186: error: (Each undeclared identifier is reported only once
execAmi.c:186: error: for each function it appears in.)
make[3]: *** [execAmi.o] Error 1
make[3]: Leaving directory `/home/pavel/src/pgsq

because Tom commited significant changes in executor

http://archives.postgresql.org/pgsql-committers/2010-07/msg00155.php

When I looked to documentation I miss a some tutorial for foreign
tables. There are only reference. I miss some paragraph where is
cleanly and simple specified what is possible now and whot isn't
possible. Enhancing of dblink isn't documented

Why you don't use PQescapeLiteral for escaping. Isn't
escape_param_str redundant and unsecure?

In function  pgIterate(ForeignScanState *scanstate) you are iterare
via pg result. I am thinking so using a cursor and fetching multiple
rows should be preferable.

Regards

Pavel Stehule

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