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Commitf4122a8

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Add a hook in ExecCheckRTPerms().
This hook allows a loadable module to gain control when table permissionsare checked. It is expected to be used by an eventual SE-PostgreSQLimplementation, but there are other possible applications as well. Asample contrib module can be found in the archives at:http://archives.postgresql.org/pgsql-hackers/2010-05/msg01095.phpRobert Haas and Stephen Frost
1 parentb40466c commitf4122a8

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2 files changed

+12
-2
lines changed

2 files changed

+12
-2
lines changed

‎src/backend/executor/execMain.c‎

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@@ -26,7 +26,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.349 2010/04/28 16:10:42 heikki Exp $
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* $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.350 2010/07/09 14:06:01 rhaas Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -63,6 +63,9 @@ ExecutorStart_hook_type ExecutorStart_hook = NULL;
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ExecutorRun_hook_typeExecutorRun_hook=NULL;
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ExecutorEnd_hook_typeExecutorEnd_hook=NULL;
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/* Hook for plugin to get control in ExecCheckRTPerms() */
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ExecutorCheckPerms_hook_typeExecutorCheckPerms_hook=NULL;
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/* decls for local routines only used within this module */
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staticvoidInitPlan(QueryDesc*queryDesc,inteflags);
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staticvoidExecEndPlan(PlanState*planstate,EState*estate);
@@ -416,6 +419,9 @@ ExecCheckRTPerms(List *rangeTable)
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{
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ExecCheckRTEPerms((RangeTblEntry*)lfirst(l));
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}
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if (ExecutorCheckPerms_hook)
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(*ExecutorCheckPerms_hook)(rangeTable);
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}
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/*

‎src/include/executor/executor.h‎

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/executor/executor.h,v 1.168 2010/02/26 02:01:24 momjian Exp $
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* $PostgreSQL: pgsql/src/include/executor/executor.h,v 1.169 2010/07/09 14:06:01 rhaas Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -74,6 +74,10 @@ extern PGDLLIMPORT ExecutorRun_hook_type ExecutorRun_hook;
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typedefvoid (*ExecutorEnd_hook_type) (QueryDesc*queryDesc);
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externPGDLLIMPORTExecutorEnd_hook_typeExecutorEnd_hook;
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/* Hook for plugins to get control in ExecCheckRTPerms() */
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typedefvoid (*ExecutorCheckPerms_hook_type) (List*);
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externPGDLLIMPORTExecutorCheckPerms_hook_typeExecutorCheckPerms_hook;
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/*
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* prototypes from functions in execAmi.c

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