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Commit05f3f9c

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Extend object-access hook machinery to support post-alter events.
This also slightly widens the scope of what we support in terms ofpost-create events.KaiGai Kohei, with a few changes, mostly to the comments, by me
1 parent6ac7fac commit05f3f9c

31 files changed

+375
-53
lines changed

‎src/backend/catalog/aclchk.c

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -25,6 +25,7 @@
2525
#include"catalog/catalog.h"
2626
#include"catalog/dependency.h"
2727
#include"catalog/indexing.h"
28+
#include"catalog/objectaccess.h"
2829
#include"catalog/pg_authid.h"
2930
#include"catalog/pg_collation.h"
3031
#include"catalog/pg_conversion.h"
@@ -1290,6 +1291,13 @@ SetDefaultACL(InternalDefaultACL *iacls)
12901291
iacls->roleid,
12911292
noldmembers,oldmembers,
12921293
nnewmembers,newmembers);
1294+
1295+
if (isNew)
1296+
InvokeObjectPostCreateHook(DefaultAclRelationId,
1297+
HeapTupleGetOid(newtuple),0);
1298+
else
1299+
InvokeObjectPostAlterHook(DefaultAclRelationId,
1300+
HeapTupleGetOid(newtuple),0);
12931301
}
12941302

12951303
if (HeapTupleIsValid(tuple))

‎src/backend/catalog/heap.c

Lines changed: 29 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -96,8 +96,9 @@ static Oid AddNewRelationType(const char *typeName,
9696
staticvoidRelationRemoveInheritance(Oidrelid);
9797
staticvoidStoreRelCheck(Relationrel,char*ccname,Node*expr,
9898
boolis_validated,boolis_local,intinhcount,
99-
boolis_no_inherit);
100-
staticvoidStoreConstraints(Relationrel,List*cooked_constraints);
99+
boolis_no_inherit,boolis_internal);
100+
staticvoidStoreConstraints(Relationrel,List*cooked_constraints,
101+
boolis_internal);
101102
staticboolMergeWithExistingConstraint(Relationrel,char*ccname,Node*expr,
102103
boolallow_merge,boolis_local,
103104
boolis_no_inherit);
@@ -1302,7 +1303,7 @@ heap_create_with_catalog(const char *relname,
13021303
* entry, so the relation must be valid and self-consistent at this point.
13031304
* In particular, there are not yet constraints and defaults anywhere.
13041305
*/
1305-
StoreConstraints(new_rel_desc,cooked_constraints);
1306+
StoreConstraints(new_rel_desc,cooked_constraints,is_internal);
13061307

13071308
/*
13081309
* If there's a special on-commit action, remember it
@@ -1836,7 +1837,8 @@ heap_drop_with_catalog(Oid relid)
18361837
* Store a default expression for column attnum of relation rel.
18371838
*/
18381839
void
1839-
StoreAttrDefault(Relationrel,AttrNumberattnum,Node*expr)
1840+
StoreAttrDefault(Relationrel,AttrNumberattnum,
1841+
Node*expr,boolis_internal)
18401842
{
18411843
char*adbin;
18421844
char*adsrc;
@@ -1928,6 +1930,17 @@ StoreAttrDefault(Relation rel, AttrNumber attnum, Node *expr)
19281930
* Record dependencies on objects used in the expression, too.
19291931
*/
19301932
recordDependencyOnExpr(&defobject,expr,NIL,DEPENDENCY_NORMAL);
1933+
1934+
/*
1935+
* Post creation hook for attribute defaults.
1936+
*
1937+
* XXX. ALTER TABLE ALTER COLUMN SET/DROP DEFAULT is implemented
1938+
* with a couple of deletion/creation of the attribute's default entry,
1939+
* so the callee should check existence of an older version of this
1940+
* entry if it needs to distinguish.
1941+
*/
1942+
InvokeObjectPostCreateHookArg(AttrDefaultRelationId,
1943+
RelationGetRelid(rel),attnum,is_internal);
19311944
}
19321945

19331946
/*
@@ -1939,7 +1952,7 @@ StoreAttrDefault(Relation rel, AttrNumber attnum, Node *expr)
19391952
staticvoid
19401953
StoreRelCheck(Relationrel,char*ccname,Node*expr,
19411954
boolis_validated,boolis_local,intinhcount,
1942-
boolis_no_inherit)
1955+
boolis_no_inherit,boolis_internal)
19431956
{
19441957
char*ccbin;
19451958
char*ccsrc;
@@ -2023,7 +2036,8 @@ StoreRelCheck(Relation rel, char *ccname, Node *expr,
20232036
ccsrc,/* Source form of check constraint */
20242037
is_local,/* conislocal */
20252038
inhcount,/* coninhcount */
2026-
is_no_inherit);/* connoinherit */
2039+
is_no_inherit,/* connoinherit */
2040+
is_internal);/* internally constructed? */
20272041

20282042
pfree(ccbin);
20292043
pfree(ccsrc);
@@ -2038,7 +2052,7 @@ StoreRelCheck(Relation rel, char *ccname, Node *expr,
20382052
* and StoreRelCheck (see AddRelationNewConstraints()).
20392053
*/
20402054
staticvoid
2041-
StoreConstraints(Relationrel,List*cooked_constraints)
2055+
StoreConstraints(Relationrel,List*cooked_constraints,boolis_internal)
20422056
{
20432057
intnumchecks=0;
20442058
ListCell*lc;
@@ -2060,11 +2074,12 @@ StoreConstraints(Relation rel, List *cooked_constraints)
20602074
switch (con->contype)
20612075
{
20622076
caseCONSTR_DEFAULT:
2063-
StoreAttrDefault(rel,con->attnum,con->expr);
2077+
StoreAttrDefault(rel,con->attnum,con->expr,is_internal);
20642078
break;
20652079
caseCONSTR_CHECK:
20662080
StoreRelCheck(rel,con->name,con->expr, !con->skip_validation,
2067-
con->is_local,con->inhcount,con->is_no_inherit);
2081+
con->is_local,con->inhcount,
2082+
con->is_no_inherit,is_internal);
20682083
numchecks++;
20692084
break;
20702085
default:
@@ -2090,6 +2105,7 @@ StoreConstraints(Relation rel, List *cooked_constraints)
20902105
* newConstraints: list of Constraint nodes
20912106
* allow_merge: TRUE if check constraints may be merged with existing ones
20922107
* is_local: TRUE if definition is local, FALSE if it's inherited
2108+
* is_internal: TRUE if result of some internal process, not a user request
20932109
*
20942110
* All entries in newColDefaults will be processed. Entries in newConstraints
20952111
* will be processed only if they are CONSTR_CHECK type.
@@ -2107,7 +2123,8 @@ AddRelationNewConstraints(Relation rel,
21072123
List*newColDefaults,
21082124
List*newConstraints,
21092125
boolallow_merge,
2110-
boolis_local)
2126+
boolis_local,
2127+
boolis_internal)
21112128
{
21122129
List*cookedConstraints=NIL;
21132130
TupleDesctupleDesc;
@@ -2170,7 +2187,7 @@ AddRelationNewConstraints(Relation rel,
21702187
(IsA(expr,Const)&&((Const*)expr)->constisnull))
21712188
continue;
21722189

2173-
StoreAttrDefault(rel,colDef->attnum,expr);
2190+
StoreAttrDefault(rel,colDef->attnum,expr,is_internal);
21742191

21752192
cooked= (CookedConstraint*)palloc(sizeof(CookedConstraint));
21762193
cooked->contype=CONSTR_DEFAULT;
@@ -2296,7 +2313,7 @@ AddRelationNewConstraints(Relation rel,
22962313
* OK, store it.
22972314
*/
22982315
StoreRelCheck(rel,ccname,expr, !cdef->skip_validation,is_local,
2299-
is_local ?0 :1,cdef->is_no_inherit);
2316+
is_local ?0 :1,cdef->is_no_inherit,is_internal);
23002317

23012318
numchecks++;
23022319

‎src/backend/catalog/index.c

Lines changed: 10 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -933,7 +933,8 @@ index_create(Relation heapRelation,
933933
false,/* already marked primary */
934934
false,/* pg_index entry is OK */
935935
false,/* no old dependencies */
936-
allow_system_table_mods);
936+
allow_system_table_mods,
937+
is_internal);
937938
}
938939
else
939940
{
@@ -1107,6 +1108,7 @@ index_create(Relation heapRelation,
11071108
* remove_old_dependencies: if true, remove existing dependencies of index
11081109
*on table's columns
11091110
* allow_system_table_mods: allow table to be a system catalog
1111+
* is_internal: index is constructed due to internal process
11101112
*/
11111113
void
11121114
index_constraint_create(RelationheapRelation,
@@ -1119,7 +1121,8 @@ index_constraint_create(Relation heapRelation,
11191121
boolmark_as_primary,
11201122
boolupdate_pgindex,
11211123
boolremove_old_dependencies,
1122-
boolallow_system_table_mods)
1124+
boolallow_system_table_mods,
1125+
boolis_internal)
11231126
{
11241127
OidnamespaceId=RelationGetNamespace(heapRelation);
11251128
ObjectAddressmyself,
@@ -1184,7 +1187,8 @@ index_constraint_create(Relation heapRelation,
11841187
NULL,
11851188
true,/* islocal */
11861189
0,/* inhcount */
1187-
true);/* noinherit */
1190+
true,/* noinherit */
1191+
is_internal);
11881192

11891193
/*
11901194
* Register the index as internally dependent on the constraint.
@@ -1293,6 +1297,9 @@ index_constraint_create(Relation heapRelation,
12931297
{
12941298
simple_heap_update(pg_index,&indexTuple->t_self,indexTuple);
12951299
CatalogUpdateIndexes(pg_index,indexTuple);
1300+
1301+
InvokeObjectPostAlterHookArg(IndexRelationId,indexRelationId,0,
1302+
InvalidOid,is_internal);
12961303
}
12971304

12981305
heap_freetuple(indexTuple);

‎src/backend/catalog/objectaccess.c

Lines changed: 23 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -61,3 +61,26 @@ RunObjectDropHook(Oid classId, Oid objectId, int subId,
6161
classId,objectId,subId,
6262
(void*)&drop_arg);
6363
}
64+
65+
/*
66+
* RunObjectPostAlterHook
67+
*
68+
* It is entrypoint of OAT_POST_ALTER event
69+
*/
70+
void
71+
RunObjectPostAlterHook(OidclassId,OidobjectId,intsubId,
72+
OidauxiliaryId,boolis_internal)
73+
{
74+
ObjectAccessPostAlterpa_arg;
75+
76+
/* caller should check, but just in case... */
77+
Assert(object_access_hook!=NULL);
78+
79+
memset(&pa_arg,0,sizeof(ObjectAccessPostAlter));
80+
pa_arg.auxiliary_id=auxiliaryId;
81+
pa_arg.is_internal=is_internal;
82+
83+
(*object_access_hook)(OAT_POST_ALTER,
84+
classId,objectId,subId,
85+
(void*)&pa_arg);
86+
}

‎src/backend/catalog/pg_constraint.c

Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -68,7 +68,8 @@ CreateConstraintEntry(const char *constraintName,
6868
constchar*conSrc,
6969
boolconIsLocal,
7070
intconInhCount,
71-
boolconNoInherit)
71+
boolconNoInherit,
72+
boolis_internal)
7273
{
7374
RelationconDesc;
7475
OidconOid;
@@ -367,7 +368,8 @@ CreateConstraintEntry(const char *constraintName,
367368
}
368369

369370
/* Post creation hook for new constraint */
370-
InvokeObjectPostCreateHook(ConstraintRelationId,conOid,0);
371+
InvokeObjectPostCreateHookArg(ConstraintRelationId,conOid,0,
372+
is_internal);
371373

372374
returnconOid;
373375
}
@@ -665,6 +667,8 @@ RenameConstraintById(Oid conId, const char *newname)
665667
/* update the system catalog indexes */
666668
CatalogUpdateIndexes(conDesc,tuple);
667669

670+
InvokeObjectPostAlterHook(ConstraintRelationId,conId,0);
671+
668672
heap_freetuple(tuple);
669673
heap_close(conDesc,RowExclusiveLock);
670674
}
@@ -737,6 +741,8 @@ AlterConstraintNamespaces(Oid ownerId, Oid oldNspId,
737741
*/
738742
}
739743

744+
InvokeObjectPostAlterHook(ConstraintRelationId,thisobj.objectId,0);
745+
740746
add_exact_object_address(&thisobj,objsMoved);
741747
}
742748

‎src/backend/catalog/pg_db_role_setting.c

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -14,6 +14,7 @@
1414
#include"access/heapam.h"
1515
#include"access/htup_details.h"
1616
#include"catalog/indexing.h"
17+
#include"catalog/objectaccess.h"
1718
#include"catalog/pg_db_role_setting.h"
1819
#include"utils/fmgroids.h"
1920
#include"utils/rel.h"
@@ -160,6 +161,9 @@ AlterSetting(Oid databaseid, Oid roleid, VariableSetStmt *setstmt)
160161
CatalogUpdateIndexes(rel,newtuple);
161162
}
162163

164+
InvokeObjectPostAlterHookArg(DbRoleSettingRelationId,
165+
databaseid,0,roleid, false);
166+
163167
systable_endscan(scan);
164168

165169
/* Close pg_db_role_setting, but keep lock till commit */

‎src/backend/catalog/pg_type.c

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -712,6 +712,8 @@ RenameTypeInternal(Oid typeOid, const char *newTypeName, Oid typeNamespace)
712712
/* update the system catalog indexes */
713713
CatalogUpdateIndexes(pg_type_desc,tuple);
714714

715+
InvokeObjectPostAlterHook(TypeRelationId,typeOid,0);
716+
715717
heap_freetuple(tuple);
716718
heap_close(pg_type_desc,RowExclusiveLock);
717719

‎src/backend/commands/alter.c

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -19,6 +19,7 @@
1919
#include"catalog/dependency.h"
2020
#include"catalog/indexing.h"
2121
#include"catalog/namespace.h"
22+
#include"catalog/objectaccess.h"
2223
#include"catalog/pg_collation.h"
2324
#include"catalog/pg_conversion.h"
2425
#include"catalog/pg_event_trigger.h"
@@ -281,6 +282,8 @@ AlterObjectRename_internal(Relation rel, Oid objectId, const char *new_name)
281282
simple_heap_update(rel,&oldtup->t_self,newtup);
282283
CatalogUpdateIndexes(rel,newtup);
283284

285+
InvokeObjectPostAlterHook(classId,objectId,0);
286+
284287
/* Release memory */
285288
pfree(values);
286289
pfree(nulls);
@@ -657,6 +660,8 @@ AlterObjectNamespace_internal(Relation rel, Oid objid, Oid nspOid)
657660
changeDependencyFor(classId,objid,
658661
NamespaceRelationId,oldNspOid,nspOid);
659662

663+
InvokeObjectPostAlterHook(classId,objid,0);
664+
660665
returnoldNspOid;
661666
}
662667

@@ -934,4 +939,6 @@ AlterObjectOwner_internal(Relation rel, Oid objectId, Oid new_ownerId)
934939
pfree(nulls);
935940
pfree(replaces);
936941
}
942+
943+
InvokeObjectPostAlterHook(classId,objectId,0);
937944
}

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