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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/dbcommands.h
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@ -15,6 +15,7 @@
#define DBCOMMANDS_H
#include "access/xlogreader.h"
#include "catalog/objectaddress.h"
#include "lib/stringinfo.h"
#include "nodes/parsenodes.h"
@ -40,10 +41,10 @@ typedef struct xl_dbase_drop_rec
extern Oid createdb(const CreatedbStmt *stmt);
extern void dropdb(const char *dbname, bool missing_ok);
extern Oid RenameDatabase(const char *oldname, const char *newname);
extern ObjectAddress RenameDatabase(const char *oldname, const char *newname);
extern Oid AlterDatabase(AlterDatabaseStmt *stmt, bool isTopLevel);
extern Oid AlterDatabaseSet(AlterDatabaseSetStmt *stmt);
extern Oid AlterDatabaseOwner(const char *dbname, Oid newOwnerId);
extern ObjectAddress AlterDatabaseOwner(const char *dbname, Oid newOwnerId);
extern Oid get_database_oid(const char *dbname, bool missingok);
extern char *get_database_name(Oid dbid);