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Tweak dependency code to suppress NOTICEs generated by new method for

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cleaning out temp namespaces.  We don't really want the server log to be
cluttered with 'Drop cascades to table foo' every time someone uses a
temp table...
WIN32_DEV
Tom Lane 23 years ago
parent 0c693b4926
commit f7cffbbbd7
3 changed files with 32 additions and 24 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 47
      src/backend/catalog/dependency.c
  2. 4
      src/backend/catalog/namespace.c
  3. 5
      src/include/catalog/dependency.h

47
src/backend/catalog/dependency.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/dependency.c,v 1.22 2003/02/16 02:30:37 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/dependency.c,v 1.23 2003/03/06 22:54:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -97,12 +97,14 @@ static void findAutoDeletableObjects(const ObjectAddress *object,
Relation depRel);
static bool recursiveDeletion(const ObjectAddress *object,
DropBehavior behavior,
int msglevel,
const ObjectAddress *callingObject,
ObjectAddresses *oktodelete,
Relation depRel);
static bool deleteDependentObjects(const ObjectAddress *object,
const char *objDescription,
DropBehavior behavior,
int msglevel,
ObjectAddresses *oktodelete,
Relation depRel);
static void doDeletion(const ObjectAddress *object);
@ -164,7 +166,8 @@ performDeletion(const ObjectAddress *object,
findAutoDeletableObjects(object, &oktodelete, depRel);
if (!recursiveDeletion(object, behavior, NULL, &oktodelete, depRel))
if (!recursiveDeletion(object, behavior, NOTICE,
NULL, &oktodelete, depRel))
elog(ERROR, "Cannot drop %s because other objects depend on it"
"\n\tUse DROP ... CASCADE to drop the dependent objects too",
objDescription);
@ -183,10 +186,12 @@ performDeletion(const ObjectAddress *object,
* CASCADE.
*
* This is currently used only to clean out the contents of a schema
* (namespace): the passed object is a namespace.
* (namespace): the passed object is a namespace. We normally want this
* to be done silently, so there's an option to suppress NOTICE messages.
*/
void
deleteWhatDependsOn(const ObjectAddress *object)
deleteWhatDependsOn(const ObjectAddress *object,
bool showNotices)
{
char *objDescription;
Relation depRel;
@ -218,7 +223,9 @@ deleteWhatDependsOn(const ObjectAddress *object)
* stuff dependent on the given object.
*/
if (!deleteDependentObjects(object, objDescription,
DROP_CASCADE, &oktodelete, depRel))
DROP_CASCADE,
showNotices ? NOTICE : DEBUG1,
&oktodelete, depRel))
elog(ERROR, "Failed to drop all objects depending on %s",
objDescription);
@ -342,7 +349,7 @@ findAutoDeletableObjects(const ObjectAddress *object,
* depRel is the already-open pg_depend relation.
*
*
* In RESTRICT mode, we perform all the deletions anyway, but elog a NOTICE
* In RESTRICT mode, we perform all the deletions anyway, but elog a message
* and return FALSE if we find a restriction violation. performDeletion
* will then abort the transaction to nullify the deletions. We have to
* do it this way to (a) report all the direct and indirect dependencies
@ -370,6 +377,7 @@ findAutoDeletableObjects(const ObjectAddress *object,
static bool
recursiveDeletion(const ObjectAddress *object,
DropBehavior behavior,
int msglevel,
const ObjectAddress *callingObject,
ObjectAddresses *oktodelete,
Relation depRel)
@ -518,18 +526,17 @@ recursiveDeletion(const ObjectAddress *object,
getObjectDescription(&owningObject));
else if (behavior == DROP_RESTRICT)
{
elog(NOTICE, "%s depends on %s",
elog(msglevel, "%s depends on %s",
getObjectDescription(&owningObject),
objDescription);
ok = false;
}
else
elog(NOTICE, "Drop cascades to %s",
elog(msglevel, "Drop cascades to %s",
getObjectDescription(&owningObject));
if (!recursiveDeletion(&owningObject, behavior,
object,
oktodelete, depRel))
if (!recursiveDeletion(&owningObject, behavior, msglevel,
object, oktodelete, depRel))
ok = false;
pfree(objDescription);
@ -546,7 +553,8 @@ recursiveDeletion(const ObjectAddress *object,
* constraint.
*/
if (!deleteDependentObjects(object, objDescription,
behavior, oktodelete, depRel))
behavior, msglevel,
oktodelete, depRel))
ok = false;
/*
@ -613,6 +621,7 @@ static bool
deleteDependentObjects(const ObjectAddress *object,
const char *objDescription,
DropBehavior behavior,
int msglevel,
ObjectAddresses *oktodelete,
Relation depRel)
{
@ -664,18 +673,17 @@ deleteDependentObjects(const ObjectAddress *object,
getObjectDescription(&otherObject));
else if (behavior == DROP_RESTRICT)
{
elog(NOTICE, "%s depends on %s",
elog(msglevel, "%s depends on %s",
getObjectDescription(&otherObject),
objDescription);
ok = false;
}
else
elog(NOTICE, "Drop cascades to %s",
elog(msglevel, "Drop cascades to %s",
getObjectDescription(&otherObject));
if (!recursiveDeletion(&otherObject, behavior,
object,
oktodelete, depRel))
if (!recursiveDeletion(&otherObject, behavior, msglevel,
object, oktodelete, depRel))
ok = false;
break;
case DEPENDENCY_AUTO:
@ -689,9 +697,8 @@ deleteDependentObjects(const ObjectAddress *object,
elog(DEBUG1, "Drop auto-cascades to %s",
getObjectDescription(&otherObject));
if (!recursiveDeletion(&otherObject, behavior,
object,
oktodelete, depRel))
if (!recursiveDeletion(&otherObject, behavior, msglevel,
object, oktodelete, depRel))
ok = false;
break;
case DEPENDENCY_PIN:

4
src/backend/catalog/namespace.c
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@ -13,7 +13,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/catalog/namespace.c,v 1.47 2003/02/09 06:56:26 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/catalog/namespace.c,v 1.48 2003/03/06 22:54:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1698,7 +1698,7 @@ RemoveTempRelations(Oid tempNamespaceId)
object.objectId = tempNamespaceId;
object.objectSubId = 0;
deleteWhatDependsOn(&object);
deleteWhatDependsOn(&object, false);
}
/*

5
src/include/catalog/dependency.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: dependency.h,v 1.6 2003/02/07 01:33:06 tgl Exp $
* $Id: dependency.h,v 1.7 2003/03/06 22:54:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -84,7 +84,8 @@ typedef struct ObjectAddress
extern void performDeletion(const ObjectAddress *object,
DropBehavior behavior);
extern void deleteWhatDependsOn(const ObjectAddress *object);
extern void deleteWhatDependsOn(const ObjectAddress *object,
bool showNotices);
extern void recordDependencyOnExpr(const ObjectAddress *depender,
Node *expr, List *rtable,

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