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Altering default privileges on schemas

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Extend ALTER DEFAULT PRIVILEGES command to schemas.

Author: Matheus Oliveira
Reviewed-by: Petr Jelínek, Ashutosh Sharma

https://commitfest.postgresql.org/13/887/
This commit is contained in:
Teodor Sigaev
2017-03-28 18:58:55 +03:00
parent 85163641f8
commit ab89e465cb
13 changed files with 176 additions and 12 deletions
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21
src/backend/catalog/pg_namespace.c
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@@ -31,10 +31,11 @@
* Create a namespace (schema) with the given name and owner OID.
*
* If isTemp is true, this schema is a per-backend schema for holding
* temporary tables. Currently, the only effect of that is to prevent it
* from being linked as a member of any active extension. (If someone
* does CREATE TEMP TABLE in an extension script, we don't want the temp
* schema to become part of the extension.)
* temporary tables. Currently, it is used to prevent it from being
* linked as a member of any active extension. (If someone does CREATE
* TEMP TABLE in an extension script, we don't want the temp schema to
* become part of the extension). And to avoid checking for default ACL
* for temp namespace (as it is not necessary).
* ---------------
*/
Oid
@@ -49,6 +50,7 @@ NamespaceCreate(const char *nspName, Oid ownerId, bool isTemp)
TupleDesc tupDesc;
ObjectAddress myself;
int i;
Acl *nspacl;
/* sanity checks */
if (!nspName)
@@ -60,6 +62,12 @@ NamespaceCreate(const char *nspName, Oid ownerId, bool isTemp)
(errcode(ERRCODE_DUPLICATE_SCHEMA),
errmsg("schema \"%s\" already exists", nspName)));
if (!isTemp)
nspacl = get_user_default_acl(ACL_OBJECT_NAMESPACE, ownerId,
InvalidOid);
else
nspacl = NULL;
/* initialize nulls and values */
for (i = 0; i < Natts_pg_namespace; i++)
{
@@ -69,7 +77,10 @@ NamespaceCreate(const char *nspName, Oid ownerId, bool isTemp)
namestrcpy(&nname, nspName);
values[Anum_pg_namespace_nspname - 1] = NameGetDatum(&nname);
values[Anum_pg_namespace_nspowner - 1] = ObjectIdGetDatum(ownerId);
nulls[Anum_pg_namespace_nspacl - 1] = true;
if (nspacl != NULL)
values[Anum_pg_namespace_nspacl - 1] = PointerGetDatum(nspacl);
else
nulls[Anum_pg_namespace_nspacl - 1] = true;
nspdesc = heap_open(NamespaceRelationId, RowExclusiveLock);
tupDesc = nspdesc->rd_att;