database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-11-10 17:42:29 +03:00
Code Activity

Support column-level privileges, as required by SQL standard.

Browse Source 
Stephen Frost, with help from KaiGai Kohei and others
This commit is contained in:
Tom Lane
2009-01-22 20:16:10 +00:00
parent bf136cf6e3
commit 3cb5d6580a
59 changed files with 2314 additions and 722 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/backend/access/common/tupdesc.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/common/tupdesc.c,v 1.124 2009/01/01 17:23:34 momjian Exp $
* $PostgreSQL: pgsql/src/backend/access/common/tupdesc.c,v 1.125 2009/01/22 20:16:00 tgl Exp $
*
* NOTES
* some of the executor utility code such as "ExecTypeFromTL" should be
@@ -53,10 +53,14 @@ CreateTemplateTupleDesc(int natts, bool hasoid)
* struct pointer alignment requirement, and hence we don't need to insert
* alignment padding between the struct and the array of attribute row
* pointers.
*
* Note: Only the fixed part of pg_attribute rows is included in tuple
* descriptors, so we only need ATTRIBUTE_FIXED_PART_SIZE space
* per attr. That might need alignment padding, however.
*/
attroffset = sizeof(struct tupleDesc) + natts * sizeof(Form_pg_attribute);
attroffset = MAXALIGN(attroffset);
stg = palloc(attroffset + natts * MAXALIGN(ATTRIBUTE_TUPLE_SIZE));
stg = palloc(attroffset + natts * MAXALIGN(ATTRIBUTE_FIXED_PART_SIZE));
desc = (TupleDesc) stg;
if (natts > 0)
@@ -70,7 +74,7 @@ CreateTemplateTupleDesc(int natts, bool hasoid)
for (i = 0; i < natts; i++)
{
attrs[i] = (Form_pg_attribute) stg;
stg += MAXALIGN(ATTRIBUTE_TUPLE_SIZE);
stg += MAXALIGN(ATTRIBUTE_FIXED_PART_SIZE);
}
}
else
@@ -139,7 +143,7 @@ CreateTupleDescCopy(TupleDesc tupdesc)
for (i = 0; i < desc->natts; i++)
{
memcpy(desc->attrs[i], tupdesc->attrs[i], ATTRIBUTE_TUPLE_SIZE);
memcpy(desc->attrs[i], tupdesc->attrs[i], ATTRIBUTE_FIXED_PART_SIZE);
desc->attrs[i]->attnotnull = false;
desc->attrs[i]->atthasdef = false;
}
@@ -166,7 +170,7 @@ CreateTupleDescCopyConstr(TupleDesc tupdesc)
for (i = 0; i < desc->natts; i++)
{
memcpy(desc->attrs[i], tupdesc->attrs[i], ATTRIBUTE_TUPLE_SIZE);
memcpy(desc->attrs[i], tupdesc->attrs[i], ATTRIBUTE_FIXED_PART_SIZE);
}
if (constr)
@@ -356,6 +360,7 @@ equalTupleDescs(TupleDesc tupdesc1, TupleDesc tupdesc2)
return false;
if (attr1->attinhcount != attr2->attinhcount)
return false;
/* attacl is ignored, since it's not even present... */
}
if (tupdesc1->constr != NULL)
@@ -471,6 +476,7 @@ TupleDescInitEntry(TupleDesc desc,
att->attisdropped = false;
att->attislocal = true;
att->attinhcount = 0;
/* attacl is not set because it's not present in tupledescs */
tuple = SearchSysCache(TYPEOID,
ObjectIdGetDatum(oidtypeid),