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Change many routines to return ObjectAddress rather than OID

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The changed routines are mostly those that can be directly called by
ProcessUtilitySlow; the intention is to make the affected object
information more precise, in support for future event trigger changes.
Originally it was envisioned that the OID of the affected object would
be enough, and in most cases that is correct, but upon actually
implementing the event trigger changes it turned out that ObjectAddress
is more widely useful.

Additionally, some command execution routines grew an output argument
that's an object address which provides further info about the executed
command.  To wit:

* for ALTER DOMAIN / ADD CONSTRAINT, it corresponds to the address of
  the new constraint

* for ALTER OBJECT / SET SCHEMA, it corresponds to the address of the
  schema that originally contained the object.

* for ALTER EXTENSION {ADD, DROP} OBJECT, it corresponds to the address
  of the object added to or dropped from the extension.

There's no user-visible change in this commit, and no functional change
either.

Discussion: 20150218213255.GC6717@tamriel.snowman.net
Reviewed-By: Stephen Frost, Andres Freund
This commit is contained in:
Alvaro Herrera
2015-03-03 14:10:50 -03:00
parent 6f9d799047
commit a2e35b53c3
68 changed files with 840 additions and 558 deletions
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5
src/include/commands/trigger.h
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@ -13,6 +13,7 @@
#ifndef TRIGGER_H
#define TRIGGER_H
#include "catalog/objectaddress.h"
#include "nodes/execnodes.h"
#include "nodes/parsenodes.h"
@ -108,14 +109,14 @@ extern PGDLLIMPORT int SessionReplicationRole;
#define TRIGGER_FIRES_ON_REPLICA 'R'
#define TRIGGER_DISABLED 'D'
extern Oid CreateTrigger(CreateTrigStmt *stmt, const char *queryString,
extern ObjectAddress CreateTrigger(CreateTrigStmt *stmt, const char *queryString,
Oid relOid, Oid refRelOid, Oid constraintOid, Oid indexOid,
bool isInternal);
extern void RemoveTriggerById(Oid trigOid);
extern Oid get_trigger_oid(Oid relid, const char *name, bool missing_ok);
extern Oid renametrig(RenameStmt *stmt);
extern ObjectAddress renametrig(RenameStmt *stmt);
extern void EnableDisableTrigger(Relation rel, const char *tgname,
char fires_when, bool skip_system);