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Show default privileges in information schema

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Hitherto, the information schema only showed explicitly granted
privileges that were visible in the *acl catalog columns.  If no
privileges had been granted, the implicit privileges were not shown.

To fix that, add an SQL-accessible version of the acldefault()
function, and use that inside the aclexplode() calls to substitute the
catalog-specific default privilege set for null values.

reviewed by Abhijit Menon-Sen
This commit is contained in:
Peter Eisentraut
2012-01-27 21:58:51 +02:00
parent bf90562aa4
commit b376ec6fa5
7 changed files with 79 additions and 18 deletions
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58
src/backend/utils/adt/acl.c
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@@ -834,6 +834,64 @@ acldefault(GrantObjectType objtype, Oid ownerId)
}
/*
* SQL-accessible version of acldefault(). Hackish mapping from "char" type to
* ACL_OBJECT_* values, but it's only used in the information schema, not
* documented for general use.
*/
Datum
acldefault_sql(PG_FUNCTION_ARGS)
{
char objtypec = PG_GETARG_CHAR(0);
Oid owner = PG_GETARG_OID(1);
GrantObjectType objtype = 0;
switch (objtypec)
{
case 'c':
objtype = ACL_OBJECT_COLUMN;
break;
case 'r':
objtype = ACL_OBJECT_RELATION;
break;
case 's':
objtype = ACL_OBJECT_SEQUENCE;
break;
case 'd':
objtype = ACL_OBJECT_DATABASE;
break;
case 'f':
objtype = ACL_OBJECT_FUNCTION;
break;
case 'l':
objtype = ACL_OBJECT_LANGUAGE;
break;
case 'L':
objtype = ACL_OBJECT_LARGEOBJECT;
break;
case 'n':
objtype = ACL_OBJECT_NAMESPACE;
break;
case 't':
objtype = ACL_OBJECT_TABLESPACE;
break;
case 'F':
objtype = ACL_OBJECT_FDW;
break;
case 'S':
objtype = ACL_OBJECT_FOREIGN_SERVER;
break;
case 'T':
objtype = ACL_OBJECT_TYPE;
break;
default:
elog(ERROR, "unrecognized objtype abbreviation: %c", objtypec);
}
PG_RETURN_ACL_P(acldefault(objtype, owner));
}
/*
* Update an ACL array to add or remove specified privileges.
*