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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
Download Patch File Download Diff File Expand all files Collapse all files

156
src/backend/commands/proclang.c
View File

@ -51,7 +51,7 @@ typedef struct
char *tmpllibrary; /* path of shared library */
} PLTemplate;
static Oid create_proc_lang(const char *languageName, bool replace,
static ObjectAddress create_proc_lang(const char *languageName, bool replace,
Oid languageOwner, Oid handlerOid, Oid inlineOid,
Oid valOid, bool trusted);
static PLTemplate *find_language_template(const char *languageName);
@ -60,10 +60,11 @@ static PLTemplate *find_language_template(const char *languageName);
* CREATE PROCEDURAL LANGUAGE
* ---------------------------------------------------------------------
*/
Oid
ObjectAddress
CreateProceduralLanguage(CreatePLangStmt *stmt)
{
PLTemplate *pltemplate;
ObjectAddress tmpAddr;
Oid handlerOid,
inlineOid,
valOid;
@ -118,30 +119,31 @@ CreateProceduralLanguage(CreatePLangStmt *stmt)
}
else
{
handlerOid = ProcedureCreate(pltemplate->tmplhandler,
PG_CATALOG_NAMESPACE,
false, /* replace */
false, /* returnsSet */
LANGUAGE_HANDLEROID,
BOOTSTRAP_SUPERUSERID,
ClanguageId,
F_FMGR_C_VALIDATOR,
pltemplate->tmplhandler,
pltemplate->tmpllibrary,
false, /* isAgg */
false, /* isWindowFunc */
false, /* security_definer */
false, /* isLeakProof */
false, /* isStrict */
PROVOLATILE_VOLATILE,
buildoidvector(funcargtypes, 0),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
NIL,
PointerGetDatum(NULL),
1,
0);
tmpAddr = ProcedureCreate(pltemplate->tmplhandler,
PG_CATALOG_NAMESPACE,
false, /* replace */
false, /* returnsSet */
LANGUAGE_HANDLEROID,
BOOTSTRAP_SUPERUSERID,
ClanguageId,
F_FMGR_C_VALIDATOR,
pltemplate->tmplhandler,
pltemplate->tmpllibrary,
false, /* isAgg */
false, /* isWindowFunc */
false, /* security_definer */
false, /* isLeakProof */
false, /* isStrict */
PROVOLATILE_VOLATILE,
buildoidvector(funcargtypes, 0),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
NIL,
PointerGetDatum(NULL),
1,
0);
handlerOid = tmpAddr.objectId;
}
/*
@ -155,30 +157,31 @@ CreateProceduralLanguage(CreatePLangStmt *stmt)
inlineOid = LookupFuncName(funcname, 1, funcargtypes, true);
if (!OidIsValid(inlineOid))
{
inlineOid = ProcedureCreate(pltemplate->tmplinline,
PG_CATALOG_NAMESPACE,
false, /* replace */
false, /* returnsSet */
VOIDOID,
BOOTSTRAP_SUPERUSERID,
ClanguageId,
F_FMGR_C_VALIDATOR,
pltemplate->tmplinline,
pltemplate->tmpllibrary,
false, /* isAgg */
false, /* isWindowFunc */
false, /* security_definer */
false, /* isLeakProof */
true, /* isStrict */
PROVOLATILE_VOLATILE,
buildoidvector(funcargtypes, 1),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
NIL,
PointerGetDatum(NULL),
1,
0);
tmpAddr = ProcedureCreate(pltemplate->tmplinline,
PG_CATALOG_NAMESPACE,
false, /* replace */
false, /* returnsSet */
VOIDOID,
BOOTSTRAP_SUPERUSERID,
ClanguageId,
F_FMGR_C_VALIDATOR,
pltemplate->tmplinline,
pltemplate->tmpllibrary,
false, /* isAgg */
false, /* isWindowFunc */
false, /* security_definer */
false, /* isLeakProof */
true, /* isStrict */
PROVOLATILE_VOLATILE,
buildoidvector(funcargtypes, 1),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
NIL,
PointerGetDatum(NULL),
1,
0);
inlineOid = tmpAddr.objectId;
}
}
else
@ -195,30 +198,31 @@ CreateProceduralLanguage(CreatePLangStmt *stmt)
valOid = LookupFuncName(funcname, 1, funcargtypes, true);
if (!OidIsValid(valOid))
{
valOid = ProcedureCreate(pltemplate->tmplvalidator,
PG_CATALOG_NAMESPACE,
false, /* replace */
false, /* returnsSet */
VOIDOID,
BOOTSTRAP_SUPERUSERID,
ClanguageId,
F_FMGR_C_VALIDATOR,
pltemplate->tmplvalidator,
pltemplate->tmpllibrary,
false, /* isAgg */
false, /* isWindowFunc */
false, /* security_definer */
false, /* isLeakProof */
true, /* isStrict */
PROVOLATILE_VOLATILE,
buildoidvector(funcargtypes, 1),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
NIL,
PointerGetDatum(NULL),
1,
0);
tmpAddr = ProcedureCreate(pltemplate->tmplvalidator,
PG_CATALOG_NAMESPACE,
false, /* replace */
false, /* returnsSet */
VOIDOID,
BOOTSTRAP_SUPERUSERID,
ClanguageId,
F_FMGR_C_VALIDATOR,
pltemplate->tmplvalidator,
pltemplate->tmpllibrary,
false, /* isAgg */
false, /* isWindowFunc */
false, /* security_definer */
false, /* isLeakProof */
true, /* isStrict */
PROVOLATILE_VOLATILE,
buildoidvector(funcargtypes, 1),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
PointerGetDatum(NULL),
NIL,
PointerGetDatum(NULL),
1,
0);
valOid = tmpAddr.objectId;
}
}
else
@ -309,7 +313,7 @@ CreateProceduralLanguage(CreatePLangStmt *stmt)
/*
* Guts of language creation.
*/
static Oid
static ObjectAddress
create_proc_lang(const char *languageName, bool replace,
Oid languageOwner, Oid handlerOid, Oid inlineOid,
Oid valOid, bool trusted)
@ -433,7 +437,7 @@ create_proc_lang(const char *languageName, bool replace,
heap_close(rel, RowExclusiveLock);
return myself.objectId;
return myself;
}
/*