toasting.h File Reference

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Go to the source code of this file.

Defines
#define	DECLARE_TOAST(name, toastoid, indexoid)   extern int no_such_variable
#define	PgShdescriptionToastTable   2846
#define	PgShdescriptionToastIndex   2847
#define	PgDbRoleSettingToastTable   2966
#define	PgDbRoleSettingToastIndex   2967
Functions
void	AlterTableCreateToastTable (Oid relOid, Datum reloptions)
void	BootstrapToastTable (char *relName, Oid toastOid, Oid toastIndexOid)
	DECLARE_TOAST (pg_attrdef, 2830, 2831)
	DECLARE_TOAST (pg_constraint, 2832, 2833)
	DECLARE_TOAST (pg_description, 2834, 2835)
	DECLARE_TOAST (pg_proc, 2836, 2837)
	DECLARE_TOAST (pg_rewrite, 2838, 2839)
	DECLARE_TOAST (pg_seclabel, 3598, 3599)
	DECLARE_TOAST (pg_statistic, 2840, 2841)
	DECLARE_TOAST (pg_trigger, 2336, 2337)
	DECLARE_TOAST (pg_shdescription, 2846, 2847)
	DECLARE_TOAST (pg_db_role_setting, 2966, 2967)

---

Define Documentation

#define DECLARE_TOAST	(		name,
			toastoid,
			indexoid
	)			extern int no_such_variable

Definition at line 29 of file toasting.h.

#define PgDbRoleSettingToastIndex   2967

Definition at line 58 of file toasting.h.

Referenced by IsSharedRelation().

#define PgDbRoleSettingToastTable   2966

Definition at line 57 of file toasting.h.

Referenced by IsSharedRelation().

#define PgShdescriptionToastIndex   2847

Definition at line 55 of file toasting.h.

Referenced by IsSharedRelation().

#define PgShdescriptionToastTable   2846

Definition at line 54 of file toasting.h.

Referenced by IsSharedRelation().

---

Function Documentation

void AlterTableCreateToastTable	(	Oid	relOid,
		Datum	reloptions
	)

Definition at line 56 of file toasting.c.

References AccessExclusiveLock, create_toast_table(), heap_close, heap_open(), InvalidOid, and NoLock.

Referenced by ATRewriteCatalogs(), intorel_startup(), make_new_heap(), and ProcessUtilitySlow().

{
    Relation    rel;

    /*
     * Grab an exclusive lock on the target table, since we'll update its
     * pg_class tuple. This is redundant for all present uses, since caller
     * will have such a lock already.  But the lock is needed to ensure that
     * concurrent readers of the pg_class tuple won't have visibility issues,
     * so let's be safe.
     */
    rel = heap_open(relOid, AccessExclusiveLock);

    /* create_toast_table does all the work */
    (void) create_toast_table(rel, InvalidOid, InvalidOid, reloptions);

    heap_close(rel, NoLock);
}

void BootstrapToastTable	(	char *	relName,
		Oid	toastOid,
		Oid	toastIndexOid
	)

Definition at line 81 of file toasting.c.

References AccessExclusiveLock, create_toast_table(), elog, ereport, errcode(), errmsg(), ERROR, heap_close, heap_openrv(), makeRangeVar(), NoLock, NULL, RelationData::rd_rel, RELKIND_MATVIEW, and RELKIND_RELATION.

{
    Relation    rel;

    rel = heap_openrv(makeRangeVar(NULL, relName, -1), AccessExclusiveLock);

    if (rel->rd_rel->relkind != RELKIND_RELATION &&
        rel->rd_rel->relkind != RELKIND_MATVIEW)
        ereport(ERROR,
                (errcode(ERRCODE_WRONG_OBJECT_TYPE),
                 errmsg("\"%s\" is not a table or materialized view",
                        relName)));

    /* create_toast_table does all the work */
    if (!create_toast_table(rel, toastOid, toastIndexOid, (Datum) 0))
        elog(ERROR, "\"%s\" does not require a toast table",
             relName);

    heap_close(rel, NoLock);
}

DECLARE_TOAST	(	pg_shdescription	,
		2846	,
		2847
	)

DECLARE_TOAST	(	pg_trigger	,
		2336	,
		2337
	)

DECLARE_TOAST	(	pg_statistic	,
		2840	,
		2841
	)

DECLARE_TOAST	(	pg_seclabel	,
		3598	,
		3599
	)

DECLARE_TOAST	(	pg_rewrite	,
		2838	,
		2839
	)

DECLARE_TOAST	(	pg_proc	,
		2836	,
		2837
	)

DECLARE_TOAST	(	pg_description	,
		2834	,
		2835
	)

DECLARE_TOAST	(	pg_constraint	,
		2832	,
		2833
	)

DECLARE_TOAST	(	pg_attrdef	,
		2830	,
		2831
	)

DECLARE_TOAST	(	pg_db_role_setting	,
		2966	,
		2967
	)