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Refactor "ALTER some-obj SET SCHEMA" implementation

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Instead of having each object type implement the catalog munging
independently, centralize knowledge about how to do it and expand the
existing table in objectaddress.c with enough data about each object
type to support this operation.

Author: KaiGai Kohei
Tweaks by me
Reviewed by Robert Haas
This commit is contained in:
Alvaro Herrera
2012-09-27 18:13:09 -03:00
parent a563d94180
commit 2164f9a125
17 changed files with 321 additions and 557 deletions
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104
src/backend/commands/opclasscmds.c
View File

@ -1914,58 +1914,6 @@ AlterOpClassOwner_internal(Relation rel, HeapTuple tup, Oid newOwnerId)
}
}
/*
* ALTER OPERATOR CLASS any_name USING access_method SET SCHEMA name
*/
void
AlterOpClassNamespace(List *name, char *access_method, const char *newschema)
{
Oid amOid;
Relation rel;
Oid opclassOid;
Oid nspOid;
amOid = get_am_oid(access_method, false);
rel = heap_open(OperatorClassRelationId, RowExclusiveLock);
/* Look up the opclass */
opclassOid = get_opclass_oid(amOid, name, false);
/* get schema OID */
nspOid = LookupCreationNamespace(newschema);
AlterObjectNamespace(rel, CLAOID, -1,
opclassOid, nspOid,
Anum_pg_opclass_opcname,
Anum_pg_opclass_opcnamespace,
Anum_pg_opclass_opcowner,
ACL_KIND_OPCLASS);
heap_close(rel, RowExclusiveLock);
}
Oid
AlterOpClassNamespace_oid(Oid opclassOid, Oid newNspOid)
{
Oid oldNspOid;
Relation rel;
rel = heap_open(OperatorClassRelationId, RowExclusiveLock);
oldNspOid =
AlterObjectNamespace(rel, CLAOID, -1,
opclassOid, newNspOid,
Anum_pg_opclass_opcname,
Anum_pg_opclass_opcnamespace,
Anum_pg_opclass_opcowner,
ACL_KIND_OPCLASS);
heap_close(rel, RowExclusiveLock);
return oldNspOid;
}
/*
* Change opfamily owner by name
*/
@ -2122,55 +2070,3 @@ get_am_oid(const char *amname, bool missing_ok)
errmsg("access method \"%s\" does not exist", amname)));
return oid;
}
/*
* ALTER OPERATOR FAMILY any_name USING access_method SET SCHEMA name
*/
void
AlterOpFamilyNamespace(List *name, char *access_method, const char *newschema)
{
Oid amOid;
Relation rel;
Oid opfamilyOid;
Oid nspOid;
amOid = get_am_oid(access_method, false);
rel = heap_open(OperatorFamilyRelationId, RowExclusiveLock);
/* Look up the opfamily */
opfamilyOid = get_opfamily_oid(amOid, name, false);
/* get schema OID */
nspOid = LookupCreationNamespace(newschema);
AlterObjectNamespace(rel, OPFAMILYOID, -1,
opfamilyOid, nspOid,
Anum_pg_opfamily_opfname,
Anum_pg_opfamily_opfnamespace,
Anum_pg_opfamily_opfowner,
ACL_KIND_OPFAMILY);
heap_close(rel, RowExclusiveLock);
}
Oid
AlterOpFamilyNamespace_oid(Oid opfamilyOid, Oid newNspOid)
{
Oid oldNspOid;
Relation rel;
rel = heap_open(OperatorFamilyRelationId, RowExclusiveLock);
oldNspOid =
AlterObjectNamespace(rel, OPFAMILYOID, -1,
opfamilyOid, newNspOid,
Anum_pg_opfamily_opfname,
Anum_pg_opfamily_opfnamespace,
Anum_pg_opfamily_opfowner,
ACL_KIND_OPFAMILY);
heap_close(rel, RowExclusiveLock);
return oldNspOid;
}