From 2a10fdc4307a667883f7a3369cb93a721ade9680 Mon Sep 17 00:00:00 2001 From: Michael Paquier Date: Wed, 15 Jul 2020 09:03:10 +0900 Subject: [PATCH] Eliminate cache lookup errors in SQL functions for object addresses MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When using the following functions, users could see various types of errors of the type "cache lookup failed for OID XXX" with elog(), that can only be used for internal errors: * pg_describe_object() * pg_identify_object() * pg_identify_object_as_address() The set of APIs managing object addresses for all object types are made smarter by gaining a new argument "missing_ok" that allows any caller to control if an error is raised or not on an undefined object. The SQL functions listed above are changed to handle the case where an object is missing. Regression tests are added for all object types for the cases where these are undefined. Before this commit, these cases failed with cache lookup errors, and now they basically return NULL (minus the name of the object type requested). Author: Michael Paquier Reviewed-by: Aleksander Alekseev, Dmitry Dolgov, Daniel Gustafsson, Álvaro Herrera, Kyotaro Horiguchi Discussion: https://postgr.es/m/CAB7nPqSZxrSmdHK-rny7z8mi=EAFXJ5J-0RbzDw6aus=wB5azQ@mail.gmail.com --- contrib/sepgsql/database.c | 6 +- contrib/sepgsql/dml.c | 4 +- contrib/sepgsql/label.c | 4 +- contrib/sepgsql/proc.c | 14 +- contrib/sepgsql/relation.c | 20 +- contrib/sepgsql/schema.c | 6 +- doc/src/sgml/func.sgml | 7 +- src/backend/catalog/dependency.c | 30 +- src/backend/catalog/objectaddress.c | 997 ++++++++++++++----- src/backend/catalog/pg_depend.c | 4 +- src/backend/catalog/pg_shdepend.c | 8 +- src/backend/commands/event_trigger.c | 9 +- src/backend/commands/extension.c | 6 +- src/backend/commands/tablecmds.c | 12 +- src/backend/utils/adt/regproc.c | 20 +- src/include/catalog/objectaddress.h | 12 +- src/include/utils/regproc.h | 5 +- src/test/regress/expected/object_address.out | 100 ++ src/test/regress/sql/object_address.sql | 64 ++ 19 files changed, 996 insertions(+), 332 deletions(-) diff --git a/contrib/sepgsql/database.c b/contrib/sepgsql/database.c index 4e83b7bfa8..ec20378593 100644 --- a/contrib/sepgsql/database.c +++ b/contrib/sepgsql/database.c @@ -142,7 +142,7 @@ sepgsql_database_drop(Oid databaseId) object.classId = DatabaseRelationId; object.objectId = databaseId; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_DATABASE, @@ -169,7 +169,7 @@ sepgsql_database_setattr(Oid databaseId) object.classId = DatabaseRelationId; object.objectId = databaseId; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_DATABASE, @@ -193,7 +193,7 @@ sepgsql_database_relabel(Oid databaseId, const char *seclabel) object.classId = DatabaseRelationId; object.objectId = databaseId; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); /* * check db_database:{setattr relabelfrom} permission diff --git a/contrib/sepgsql/dml.c b/contrib/sepgsql/dml.c index 53f6f41c5c..75ee612bcd 100644 --- a/contrib/sepgsql/dml.c +++ b/contrib/sepgsql/dml.c @@ -179,7 +179,7 @@ check_relation_privileges(Oid relOid, object.classId = RelationRelationId; object.objectId = relOid; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); switch (relkind) { case RELKIND_RELATION: @@ -256,7 +256,7 @@ check_relation_privileges(Oid relOid, object.classId = RelationRelationId; object.objectId = relOid; object.objectSubId = attnum; - audit_name = getObjectDescription(&object); + audit_name = getObjectDescription(&object, false); result = sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_COLUMN, diff --git a/contrib/sepgsql/label.c b/contrib/sepgsql/label.c index 147ab67f32..32e405530b 100644 --- a/contrib/sepgsql/label.c +++ b/contrib/sepgsql/label.c @@ -355,7 +355,7 @@ sepgsql_fmgr_hook(FmgrHookEventType event, sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_PROCEDURE, SEPG_DB_PROCEDURE__ENTRYPOINT, - getObjectDescription(&object), + getObjectDescription(&object, false), true); sepgsql_avc_check_perms_label(stack->new_label, @@ -523,7 +523,7 @@ sepgsql_object_relabel(const ObjectAddress *object, const char *seclabel) ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), errmsg("sepgsql provider does not support labels on %s", - getObjectTypeDescription(object)))); + getObjectTypeDescription(object, false)))); break; } } diff --git a/contrib/sepgsql/proc.c b/contrib/sepgsql/proc.c index 2c244a9003..d5d7dbe103 100644 --- a/contrib/sepgsql/proc.c +++ b/contrib/sepgsql/proc.c @@ -80,7 +80,7 @@ sepgsql_proc_post_create(Oid functionId) sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_SCHEMA, SEPG_DB_SCHEMA__ADD_NAME, - getObjectIdentity(&object), + getObjectIdentity(&object, false), true); /* @@ -114,7 +114,7 @@ sepgsql_proc_post_create(Oid functionId) object.classId = TypeRelationId; object.objectId = proForm->proargtypes.values[i]; object.objectSubId = 0; - appendStringInfoString(&audit_name, getObjectIdentity(&object)); + appendStringInfoString(&audit_name, getObjectIdentity(&object, false)); } appendStringInfoChar(&audit_name, ')'); @@ -164,7 +164,7 @@ sepgsql_proc_drop(Oid functionId) object.classId = NamespaceRelationId; object.objectId = get_func_namespace(functionId); object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_SCHEMA, @@ -179,7 +179,7 @@ sepgsql_proc_drop(Oid functionId) object.classId = ProcedureRelationId; object.objectId = functionId; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_PROCEDURE, @@ -204,7 +204,7 @@ sepgsql_proc_relabel(Oid functionId, const char *seclabel) object.classId = ProcedureRelationId; object.objectId = functionId; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); /* * check db_procedure:{setattr relabelfrom} permission @@ -292,7 +292,7 @@ sepgsql_proc_setattr(Oid functionId) object.classId = ProcedureRelationId; object.objectId = functionId; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_PROCEDURE, @@ -324,7 +324,7 @@ sepgsql_proc_execute(Oid functionId) object.classId = ProcedureRelationId; object.objectId = functionId; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_PROCEDURE, SEPG_DB_PROCEDURE__EXECUTE, diff --git a/contrib/sepgsql/relation.c b/contrib/sepgsql/relation.c index 380bc6094d..b50f386f5b 100644 --- a/contrib/sepgsql/relation.c +++ b/contrib/sepgsql/relation.c @@ -102,7 +102,7 @@ sepgsql_attribute_post_create(Oid relOid, AttrNumber attnum) initStringInfo(&audit_name); appendStringInfo(&audit_name, "%s.%s", - getObjectIdentity(&object), + getObjectIdentity(&object, false), quote_identifier(NameStr(attForm->attname))); sepgsql_avc_check_perms_label(ncontext, SEPG_CLASS_DB_COLUMN, @@ -146,7 +146,7 @@ sepgsql_attribute_drop(Oid relOid, AttrNumber attnum) object.classId = RelationRelationId; object.objectId = relOid; object.objectSubId = attnum; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_COLUMN, @@ -178,7 +178,7 @@ sepgsql_attribute_relabel(Oid relOid, AttrNumber attnum, object.classId = RelationRelationId; object.objectId = relOid; object.objectSubId = attnum; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); /* * check db_column:{setattr relabelfrom} permission @@ -222,7 +222,7 @@ sepgsql_attribute_setattr(Oid relOid, AttrNumber attnum) object.classId = RelationRelationId; object.objectId = relOid; object.objectSubId = attnum; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_COLUMN, @@ -288,7 +288,7 @@ sepgsql_relation_post_create(Oid relOid) sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_SCHEMA, SEPG_DB_SCHEMA__ADD_NAME, - getObjectIdentity(&object), + getObjectIdentity(&object, false), true); switch (classForm->relkind) @@ -450,7 +450,7 @@ sepgsql_relation_drop(Oid relOid) object.classId = NamespaceRelationId; object.objectId = get_rel_namespace(relOid); object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_SCHEMA, @@ -472,7 +472,7 @@ sepgsql_relation_drop(Oid relOid) object.classId = RelationRelationId; object.objectId = relOid; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, tclass, @@ -503,7 +503,7 @@ sepgsql_relation_drop(Oid relOid) object.classId = RelationRelationId; object.objectId = relOid; object.objectSubId = attForm->attnum; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_COLUMN, @@ -584,7 +584,7 @@ sepgsql_relation_relabel(Oid relOid, const char *seclabel) object.classId = RelationRelationId; object.objectId = relOid; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); /* * check db_xxx:{setattr relabelfrom} permission @@ -695,7 +695,7 @@ sepgsql_relation_setattr(Oid relOid) object.classId = RelationRelationId; object.objectId = relOid; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, tclass, diff --git a/contrib/sepgsql/schema.c b/contrib/sepgsql/schema.c index 90ecbc1725..3b2b80be83 100644 --- a/contrib/sepgsql/schema.c +++ b/contrib/sepgsql/schema.c @@ -123,7 +123,7 @@ sepgsql_schema_drop(Oid namespaceId) object.classId = NamespaceRelationId; object.objectId = namespaceId; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_SCHEMA, @@ -148,7 +148,7 @@ sepgsql_schema_relabel(Oid namespaceId, const char *seclabel) object.classId = NamespaceRelationId; object.objectId = namespaceId; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); /* * check db_schema:{setattr relabelfrom} permission @@ -186,7 +186,7 @@ check_schema_perms(Oid namespaceId, uint32 required, bool abort_on_violation) object.classId = NamespaceRelationId; object.objectId = namespaceId; object.objectSubId = 0; - audit_name = getObjectIdentity(&object); + audit_name = getObjectIdentity(&object, false); result = sepgsql_avc_check_perms(&object, SEPG_CLASS_DB_SCHEMA, diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index cc83d6652e..959f6a1c2f 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -22826,7 +22826,8 @@ SELECT collation for ('foo' COLLATE "de_DE"); object). This description is intended to be human-readable, and might be translated, depending on server configuration. This is especially useful to determine the identity of an object referenced in the - pg_depend catalog. + pg_depend catalog. This function returns + NULL values for undefined objects. @@ -22858,7 +22859,8 @@ SELECT collation for ('foo' COLLATE "de_DE"); otherwise NULL; identity is the complete object identity, with the precise format depending on object type, and each name within the - format being schema-qualified and quoted as necessary. + format being schema-qualified and quoted as necessary. Undefined + objects are identified with NULL values. @@ -22915,6 +22917,7 @@ SELECT collation for ('foo' COLLATE "de_DE"); objsubid is the sub-object ID, or zero if none. This function is the inverse of pg_identify_object_as_address. + Undefined objects are identified with NULL values. diff --git a/src/backend/catalog/dependency.c b/src/backend/catalog/dependency.c index b33a2f94af..f515e2c308 100644 --- a/src/backend/catalog/dependency.c +++ b/src/backend/catalog/dependency.c @@ -743,8 +743,8 @@ findDependentObjects(const ObjectAddress *object, if (!object_address_present_add_flags(object, objflags, targetObjects)) elog(ERROR, "deletion of owning object %s failed to delete %s", - getObjectDescription(&otherObject), - getObjectDescription(object)); + getObjectDescription(&otherObject, false), + getObjectDescription(object, false)); /* And we're done here. */ return; @@ -790,11 +790,11 @@ findDependentObjects(const ObjectAddress *object, * the depender fields... */ elog(ERROR, "incorrect use of PIN dependency with %s", - getObjectDescription(object)); + getObjectDescription(object, false)); break; default: elog(ERROR, "unrecognized dependency type '%c' for %s", - foundDep->deptype, getObjectDescription(object)); + foundDep->deptype, getObjectDescription(object, false)); break; } } @@ -812,14 +812,14 @@ findDependentObjects(const ObjectAddress *object, char *otherObjDesc; if (OidIsValid(partitionObject.classId)) - otherObjDesc = getObjectDescription(&partitionObject); + otherObjDesc = getObjectDescription(&partitionObject, false); else - otherObjDesc = getObjectDescription(&owningObject); + otherObjDesc = getObjectDescription(&owningObject, false); ereport(ERROR, (errcode(ERRCODE_DEPENDENT_OBJECTS_STILL_EXIST), errmsg("cannot drop %s because %s requires it", - getObjectDescription(object), otherObjDesc), + getObjectDescription(object, false), otherObjDesc), errhint("You can drop %s instead.", otherObjDesc))); } @@ -929,12 +929,12 @@ findDependentObjects(const ObjectAddress *object, ereport(ERROR, (errcode(ERRCODE_DEPENDENT_OBJECTS_STILL_EXIST), errmsg("cannot drop %s because it is required by the database system", - getObjectDescription(object)))); + getObjectDescription(object, false)))); subflags = 0; /* keep compiler quiet */ break; default: elog(ERROR, "unrecognized dependency type '%c' for %s", - foundDep->deptype, getObjectDescription(object)); + foundDep->deptype, getObjectDescription(object, false)); subflags = 0; /* keep compiler quiet */ break; } @@ -1052,12 +1052,13 @@ reportDependentObjects(const ObjectAddresses *targetObjects, !(extra->flags & DEPFLAG_PARTITION)) { const ObjectAddress *object = &targetObjects->refs[i]; - char *otherObjDesc = getObjectDescription(&extra->dependee); + char *otherObjDesc = getObjectDescription(&extra->dependee, + false); ereport(ERROR, (errcode(ERRCODE_DEPENDENT_OBJECTS_STILL_EXIST), errmsg("cannot drop %s because %s requires it", - getObjectDescription(object), otherObjDesc), + getObjectDescription(object, false), otherObjDesc), errhint("You can drop %s instead.", otherObjDesc))); } } @@ -1105,7 +1106,7 @@ reportDependentObjects(const ObjectAddresses *targetObjects, if (extra->flags & DEPFLAG_SUBOBJECT) continue; - objDesc = getObjectDescription(obj); + objDesc = getObjectDescription(obj, false); /* * If, at any stage of the recursive search, we reached the object via @@ -1129,7 +1130,8 @@ reportDependentObjects(const ObjectAddresses *targetObjects, } else if (behavior == DROP_RESTRICT) { - char *otherDesc = getObjectDescription(&extra->dependee); + char *otherDesc = getObjectDescription(&extra->dependee, + false); if (numReportedClient < MAX_REPORTED_DEPS) { @@ -1187,7 +1189,7 @@ reportDependentObjects(const ObjectAddresses *targetObjects, ereport(ERROR, (errcode(ERRCODE_DEPENDENT_OBJECTS_STILL_EXIST), errmsg("cannot drop %s because other objects depend on it", - getObjectDescription(origObject)), + getObjectDescription(origObject, false)), errdetail("%s", clientdetail.data), errdetail_log("%s", logdetail.data), errhint("Use DROP ... CASCADE to drop the dependent objects too."))); diff --git a/src/backend/catalog/objectaddress.c b/src/backend/catalog/objectaddress.c index 534df8e802..6dfe1be2cc 100644 --- a/src/backend/catalog/objectaddress.c +++ b/src/backend/catalog/objectaddress.c @@ -879,14 +879,20 @@ static ObjectAddress get_object_address_defacl(List *object, bool missing_ok); static const ObjectPropertyType *get_object_property_data(Oid class_id); -static void getRelationDescription(StringInfo buffer, Oid relid); -static void getOpFamilyDescription(StringInfo buffer, Oid opfid); +static void getRelationDescription(StringInfo buffer, Oid relid, + bool missing_ok); +static void getOpFamilyDescription(StringInfo buffer, Oid opfid, + bool missing_ok); static void getRelationTypeDescription(StringInfo buffer, Oid relid, - int32 objectSubId); -static void getProcedureTypeDescription(StringInfo buffer, Oid procid); -static void getConstraintTypeDescription(StringInfo buffer, Oid constroid); -static void getOpFamilyIdentity(StringInfo buffer, Oid opfid, List **object); -static void getRelationIdentity(StringInfo buffer, Oid relid, List **object); + int32 objectSubId, bool missing_ok); +static void getProcedureTypeDescription(StringInfo buffer, Oid procid, + bool missing_ok); +static void getConstraintTypeDescription(StringInfo buffer, Oid constroid, + bool missing_ok); +static void getOpFamilyIdentity(StringInfo buffer, Oid opfid, List **object, + bool missing_ok); +static void getRelationIdentity(StringInfo buffer, Oid relid, List **object, + bool missing_ok); /* * Translate an object name and arguments (as passed by the parser) to an @@ -1759,7 +1765,7 @@ get_object_address_opf_member(ObjectType objtype, membernum, TypeNameToString(typenames[0]), TypeNameToString(typenames[1]), - getObjectDescription(&famaddr)))); + getObjectDescription(&famaddr, false)))); } else { @@ -1790,7 +1796,7 @@ get_object_address_opf_member(ObjectType objtype, membernum, TypeNameToString(typenames[0]), TypeNameToString(typenames[1]), - getObjectDescription(&famaddr)))); + getObjectDescription(&famaddr, false)))); } else { @@ -2844,10 +2850,11 @@ get_catalog_object_by_oid(Relation catalog, AttrNumber oidcol, Oid objectId) /* * getObjectDescription: build an object description for messages * - * The result is a palloc'd string. + * The result is a palloc'd string. NULL is returned for an undefined + * object if missing_ok is true, else an error is generated. */ char * -getObjectDescription(const ObjectAddress *object) +getObjectDescription(const ObjectAddress *object, bool missing_ok) { StringInfoData buffer; @@ -2857,33 +2864,49 @@ getObjectDescription(const ObjectAddress *object) { case OCLASS_CLASS: if (object->objectSubId == 0) - getRelationDescription(&buffer, object->objectId); + getRelationDescription(&buffer, object->objectId, missing_ok); else { /* column, not whole relation */ StringInfoData rel; + char *attname = get_attname(object->objectId, + object->objectSubId, + missing_ok); + if (!attname) + break; initStringInfo(&rel); - getRelationDescription(&rel, object->objectId); + getRelationDescription(&rel, object->objectId, missing_ok); /* translator: second %s is, e.g., "table %s" */ appendStringInfo(&buffer, _("column %s of %s"), - get_attname(object->objectId, - object->objectSubId, - false), - rel.data); + attname, rel.data); pfree(rel.data); } break; case OCLASS_PROC: - appendStringInfo(&buffer, _("function %s"), - format_procedure(object->objectId)); - break; + { + bits16 flags = FORMAT_PROC_INVALID_AS_NULL; + char *proname = format_procedure_extended(object->objectId, + flags); + if (proname == NULL) + break; + + appendStringInfo(&buffer, _("function %s"), proname); + break; + } case OCLASS_TYPE: - appendStringInfo(&buffer, _("type %s"), - format_type_be(object->objectId)); - break; + { + bits16 flags = FORMAT_TYPE_INVALID_AS_NULL; + char *typname = format_type_extended(object->objectId, -1, + flags); + if (typname == NULL) + break; + + appendStringInfo(&buffer, _("type %s"), typname); + break; + } case OCLASS_CAST: { @@ -2906,8 +2929,15 @@ getObjectDescription(const ObjectAddress *object) tup = systable_getnext(rcscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for cast %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for cast %u", + object->objectId); + + systable_endscan(rcscan); + table_close(castDesc, AccessShareLock); + break; + } castForm = (Form_pg_cast) GETSTRUCT(tup); @@ -2929,8 +2959,13 @@ getObjectDescription(const ObjectAddress *object) collTup = SearchSysCache1(COLLOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(collTup)) - elog(ERROR, "cache lookup failed for collation %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for collation %u", + object->objectId); + break; + } + coll = (Form_pg_collation) GETSTRUCT(collTup); /* Qualify the name if not visible in search path */ @@ -2954,8 +2989,13 @@ getObjectDescription(const ObjectAddress *object) conTup = SearchSysCache1(CONSTROID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(conTup)) - elog(ERROR, "cache lookup failed for constraint %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for constraint %u", + object->objectId); + break; + } + con = (Form_pg_constraint) GETSTRUCT(conTup); if (OidIsValid(con->conrelid)) @@ -2963,7 +3003,7 @@ getObjectDescription(const ObjectAddress *object) StringInfoData rel; initStringInfo(&rel); - getRelationDescription(&rel, con->conrelid); + getRelationDescription(&rel, con->conrelid, false); /* translator: second %s is, e.g., "table %s" */ appendStringInfo(&buffer, _("constraint %s on %s"), NameStr(con->conname), rel.data); @@ -2988,8 +3028,13 @@ getObjectDescription(const ObjectAddress *object) conTup = SearchSysCache1(CONVOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(conTup)) - elog(ERROR, "cache lookup failed for conversion %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for conversion %u", + object->objectId); + break; + } + conv = (Form_pg_conversion) GETSTRUCT(conTup); /* Qualify the name if not visible in search path */ @@ -3027,8 +3072,15 @@ getObjectDescription(const ObjectAddress *object) tup = systable_getnext(adscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for attrdef %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for attrdef %u", + object->objectId); + + systable_endscan(adscan); + table_close(attrdefDesc, AccessShareLock); + break; + } attrdef = (Form_pg_attrdef) GETSTRUCT(tup); @@ -3038,7 +3090,7 @@ getObjectDescription(const ObjectAddress *object) /* translator: %s is typically "column %s of table %s" */ appendStringInfo(&buffer, _("default value for %s"), - getObjectDescription(&colobject)); + getObjectDescription(&colobject, false)); systable_endscan(adscan); table_close(attrdefDesc, AccessShareLock); @@ -3046,19 +3098,35 @@ getObjectDescription(const ObjectAddress *object) } case OCLASS_LANGUAGE: - appendStringInfo(&buffer, _("language %s"), - get_language_name(object->objectId, false)); - break; + { + char *langname = get_language_name(object->objectId, + missing_ok); + + if (langname) + appendStringInfo(&buffer, _("language %s"), + get_language_name(object->objectId, false)); + break; + } case OCLASS_LARGEOBJECT: + if (!LargeObjectExists(object->objectId)) + break; appendStringInfo(&buffer, _("large object %u"), object->objectId); break; case OCLASS_OPERATOR: - appendStringInfo(&buffer, _("operator %s"), - format_operator(object->objectId)); - break; + { + bits16 flags = FORMAT_OPERATOR_INVALID_AS_NULL; + char *oprname = format_operator_extended(object->objectId, + flags); + + if (oprname == NULL) + break; + + appendStringInfo(&buffer, _("operator %s"), oprname); + break; + } case OCLASS_OPCLASS: { @@ -3071,8 +3139,13 @@ getObjectDescription(const ObjectAddress *object) opcTup = SearchSysCache1(CLAOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(opcTup)) - elog(ERROR, "cache lookup failed for opclass %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for opclass %u", + object->objectId); + break; + } + opcForm = (Form_pg_opclass) GETSTRUCT(opcTup); amTup = SearchSysCache1(AMOID, @@ -3099,7 +3172,7 @@ getObjectDescription(const ObjectAddress *object) } case OCLASS_OPFAMILY: - getOpFamilyDescription(&buffer, object->objectId); + getOpFamilyDescription(&buffer, object->objectId, missing_ok); break; case OCLASS_AM: @@ -3109,8 +3182,13 @@ getObjectDescription(const ObjectAddress *object) tup = SearchSysCache1(AMOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for access method %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for access method %u", + object->objectId); + break; + } + appendStringInfo(&buffer, _("access method %s"), NameStr(((Form_pg_am) GETSTRUCT(tup))->amname)); ReleaseSysCache(tup); @@ -3140,13 +3218,20 @@ getObjectDescription(const ObjectAddress *object) tup = systable_getnext(amscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for amop entry %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for amop entry %u", + object->objectId); + + systable_endscan(amscan); + table_close(amopDesc, AccessShareLock); + break; + } amopForm = (Form_pg_amop) GETSTRUCT(tup); initStringInfo(&opfam); - getOpFamilyDescription(&opfam, amopForm->amopfamily); + getOpFamilyDescription(&opfam, amopForm->amopfamily, false); /*------ translator: %d is the operator strategy (a number), the @@ -3190,13 +3275,20 @@ getObjectDescription(const ObjectAddress *object) tup = systable_getnext(amscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for amproc entry %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for amproc entry %u", + object->objectId); + + systable_endscan(amscan); + table_close(amprocDesc, AccessShareLock); + break; + } amprocForm = (Form_pg_amproc) GETSTRUCT(tup); initStringInfo(&opfam); - getOpFamilyDescription(&opfam, amprocForm->amprocfamily); + getOpFamilyDescription(&opfam, amprocForm->amprocfamily, false); /*------ translator: %d is the function number, the first two %s's @@ -3239,12 +3331,20 @@ getObjectDescription(const ObjectAddress *object) tup = systable_getnext(rcscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for rule %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for rule %u", + object->objectId); + + systable_endscan(rcscan); + table_close(ruleDesc, AccessShareLock); + break; + } + rule = (Form_pg_rewrite) GETSTRUCT(tup); initStringInfo(&rel); - getRelationDescription(&rel, rule->ev_class); + getRelationDescription(&rel, rule->ev_class, false); /* translator: second %s is, e.g., "table %s" */ appendStringInfo(&buffer, _("rule %s on %s"), @@ -3277,12 +3377,20 @@ getObjectDescription(const ObjectAddress *object) tup = systable_getnext(tgscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for trigger %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for trigger %u", + object->objectId); + + systable_endscan(tgscan); + table_close(trigDesc, AccessShareLock); + break; + } + trig = (Form_pg_trigger) GETSTRUCT(tup); initStringInfo(&rel); - getRelationDescription(&rel, trig->tgrelid); + getRelationDescription(&rel, trig->tgrelid, false); /* translator: second %s is, e.g., "table %s" */ appendStringInfo(&buffer, _("trigger %s on %s"), @@ -3299,8 +3407,12 @@ getObjectDescription(const ObjectAddress *object) nspname = get_namespace_name(object->objectId); if (!nspname) - elog(ERROR, "cache lookup failed for namespace %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for namespace %u", + object->objectId); + break; + } appendStringInfo(&buffer, _("schema %s"), nspname); break; } @@ -3314,8 +3426,13 @@ getObjectDescription(const ObjectAddress *object) stxTup = SearchSysCache1(STATEXTOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(stxTup)) - elog(ERROR, "could not find tuple for statistics object %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for statistics object %u", + object->objectId); + break; + } + stxForm = (Form_pg_statistic_ext) GETSTRUCT(stxTup); /* Qualify the name if not visible in search path */ @@ -3341,8 +3458,12 @@ getObjectDescription(const ObjectAddress *object) tup = SearchSysCache1(TSPARSEROID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for text search parser %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for text search parser %u", + object->objectId); + break; + } prsForm = (Form_pg_ts_parser) GETSTRUCT(tup); /* Qualify the name if not visible in search path */ @@ -3367,8 +3488,13 @@ getObjectDescription(const ObjectAddress *object) tup = SearchSysCache1(TSDICTOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for text search dictionary %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for text search dictionary %u", + object->objectId); + break; + } + dictForm = (Form_pg_ts_dict) GETSTRUCT(tup); /* Qualify the name if not visible in search path */ @@ -3393,8 +3519,13 @@ getObjectDescription(const ObjectAddress *object) tup = SearchSysCache1(TSTEMPLATEOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for text search template %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for text search template %u", + object->objectId); + break; + } + tmplForm = (Form_pg_ts_template) GETSTRUCT(tup); /* Qualify the name if not visible in search path */ @@ -3419,8 +3550,13 @@ getObjectDescription(const ObjectAddress *object) tup = SearchSysCache1(TSCONFIGOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for text search configuration %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for text search configuration %u", + object->objectId); + break; + } + cfgForm = (Form_pg_ts_config) GETSTRUCT(tup); /* Qualify the name if not visible in search path */ @@ -3438,8 +3574,11 @@ getObjectDescription(const ObjectAddress *object) case OCLASS_ROLE: { - appendStringInfo(&buffer, _("role %s"), - GetUserNameFromId(object->objectId, false)); + char *username = GetUserNameFromId(object->objectId, + missing_ok); + + if (username) + appendStringInfo(&buffer, _("role %s"), username); break; } @@ -3449,8 +3588,12 @@ getObjectDescription(const ObjectAddress *object) datname = get_database_name(object->objectId); if (!datname) - elog(ERROR, "cache lookup failed for database %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for database %u", + object->objectId); + break; + } appendStringInfo(&buffer, _("database %s"), datname); break; } @@ -3461,8 +3604,12 @@ getObjectDescription(const ObjectAddress *object) tblspace = get_tablespace_name(object->objectId); if (!tblspace) - elog(ERROR, "cache lookup failed for tablespace %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for tablespace %u", + object->objectId); + break; + } appendStringInfo(&buffer, _("tablespace %s"), tblspace); break; } @@ -3471,8 +3618,10 @@ getObjectDescription(const ObjectAddress *object) { ForeignDataWrapper *fdw; - fdw = GetForeignDataWrapper(object->objectId); - appendStringInfo(&buffer, _("foreign-data wrapper %s"), fdw->fdwname); + fdw = GetForeignDataWrapperExtended(object->objectId, + missing_ok); + if (fdw) + appendStringInfo(&buffer, _("foreign-data wrapper %s"), fdw->fdwname); break; } @@ -3480,8 +3629,9 @@ getObjectDescription(const ObjectAddress *object) { ForeignServer *srv; - srv = GetForeignServer(object->objectId); - appendStringInfo(&buffer, _("server %s"), srv->servername); + srv = GetForeignServerExtended(object->objectId, missing_ok); + if (srv) + appendStringInfo(&buffer, _("server %s"), srv->servername); break; } @@ -3496,8 +3646,13 @@ getObjectDescription(const ObjectAddress *object) tup = SearchSysCache1(USERMAPPINGOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for user mapping %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for user mapping %u", + object->objectId); + break; + } + umform = (Form_pg_user_mapping) GETSTRUCT(tup); useid = umform->umuser; srv = GetForeignServer(umform->umserver); @@ -3537,8 +3692,15 @@ getObjectDescription(const ObjectAddress *object) tup = systable_getnext(rcscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for default ACL %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for default ACL %u", + object->objectId); + + systable_endscan(rcscan); + table_close(defaclrel, AccessShareLock); + break; + } defacl = (Form_pg_default_acl) GETSTRUCT(tup); @@ -3621,8 +3783,12 @@ getObjectDescription(const ObjectAddress *object) extname = get_extension_name(object->objectId); if (!extname) - elog(ERROR, "cache lookup failed for extension %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for extension %u", + object->objectId); + break; + } appendStringInfo(&buffer, _("extension %s"), extname); break; } @@ -3634,8 +3800,12 @@ getObjectDescription(const ObjectAddress *object) tup = SearchSysCache1(EVENTTRIGGEROID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for event trigger %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for event trigger %u", + object->objectId); + break; + } appendStringInfo(&buffer, _("event trigger %s"), NameStr(((Form_pg_event_trigger) GETSTRUCT(tup))->evtname)); ReleaseSysCache(tup); @@ -3664,12 +3834,20 @@ getObjectDescription(const ObjectAddress *object) tuple = systable_getnext(sscan); if (!HeapTupleIsValid(tuple)) - elog(ERROR, "could not find tuple for policy %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for policy %u", + object->objectId); + + systable_endscan(sscan); + table_close(policy_rel, AccessShareLock); + break; + } + form_policy = (Form_pg_policy) GETSTRUCT(tuple); initStringInfo(&rel); - getRelationDescription(&rel, form_policy->polrelid); + getRelationDescription(&rel, form_policy->polrelid, false); /* translator: second %s is, e.g., "table %s" */ appendStringInfo(&buffer, _("policy %s on %s"), @@ -3682,9 +3860,10 @@ getObjectDescription(const ObjectAddress *object) case OCLASS_PUBLICATION: { - appendStringInfo(&buffer, _("publication %s"), - get_publication_name(object->objectId, - false)); + char *pubname = get_publication_name(object->objectId, + missing_ok); + if (pubname) + appendStringInfo(&buffer, _("publication %s"), pubname); break; } @@ -3698,14 +3877,18 @@ getObjectDescription(const ObjectAddress *object) tup = SearchSysCache1(PUBLICATIONREL, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for publication table %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for publication table %u", + object->objectId); + break; + } prform = (Form_pg_publication_rel) GETSTRUCT(tup); pubname = get_publication_name(prform->prpubid, false); initStringInfo(&rel); - getRelationDescription(&rel, prform->prrelid); + getRelationDescription(&rel, prform->prrelid, false); /* translator: first %s is, e.g., "table %s" */ appendStringInfo(&buffer, _("publication of %s in publication %s"), @@ -3717,9 +3900,10 @@ getObjectDescription(const ObjectAddress *object) case OCLASS_SUBSCRIPTION: { - appendStringInfo(&buffer, _("subscription %s"), - get_subscription_name(object->objectId, - false)); + char *subname = get_subscription_name(object->objectId, + missing_ok); + if (subname) + appendStringInfo(&buffer, _("subscription %s"), subname); break; } @@ -3731,8 +3915,12 @@ getObjectDescription(const ObjectAddress *object) trfTup = SearchSysCache1(TRFOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(trfTup)) - elog(ERROR, "could not find tuple for transform %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for transform %u", + object->objectId); + break; + } trfForm = (Form_pg_transform) GETSTRUCT(trfTup); @@ -3750,6 +3938,10 @@ getObjectDescription(const ObjectAddress *object) */ } + /* an empty buffer is equivalent to no object found */ + if (buffer.len == 0) + return NULL; + return buffer.data; } @@ -3765,7 +3957,7 @@ getObjectDescriptionOids(Oid classid, Oid objid) address.objectId = objid; address.objectSubId = 0; - return getObjectDescription(&address); + return getObjectDescription(&address, false); } /* @@ -3774,7 +3966,7 @@ getObjectDescriptionOids(Oid classid, Oid objid) * The result is appended to "buffer". */ static void -getRelationDescription(StringInfo buffer, Oid relid) +getRelationDescription(StringInfo buffer, Oid relid, bool missing_ok) { HeapTuple relTup; Form_pg_class relForm; @@ -3784,7 +3976,11 @@ getRelationDescription(StringInfo buffer, Oid relid) relTup = SearchSysCache1(RELOID, ObjectIdGetDatum(relid)); if (!HeapTupleIsValid(relTup)) - elog(ERROR, "cache lookup failed for relation %u", relid); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for relation %u", relid); + return; + } relForm = (Form_pg_class) GETSTRUCT(relTup); /* Qualify the name if not visible in search path */ @@ -3845,7 +4041,7 @@ getRelationDescription(StringInfo buffer, Oid relid) * subroutine for getObjectDescription: describe an operator family */ static void -getOpFamilyDescription(StringInfo buffer, Oid opfid) +getOpFamilyDescription(StringInfo buffer, Oid opfid, bool missing_ok) { HeapTuple opfTup; Form_pg_opfamily opfForm; @@ -3855,7 +4051,11 @@ getOpFamilyDescription(StringInfo buffer, Oid opfid) opfTup = SearchSysCache1(OPFAMILYOID, ObjectIdGetDatum(opfid)); if (!HeapTupleIsValid(opfTup)) - elog(ERROR, "cache lookup failed for opfamily %u", opfid); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for opfamily %u", opfid); + return; + } opfForm = (Form_pg_opfamily) GETSTRUCT(opfTup); amTup = SearchSysCache1(AMOID, ObjectIdGetDatum(opfForm->opfmethod)); @@ -3899,7 +4099,11 @@ pg_describe_object(PG_FUNCTION_ARGS) address.objectId = objid; address.objectSubId = objsubid; - description = getObjectDescription(&address); + description = getObjectDescription(&address, true); + + if (description == NULL) + PG_RETURN_NULL(); + PG_RETURN_TEXT_P(cstring_to_text(description)); } @@ -3914,6 +4118,7 @@ pg_identify_object(PG_FUNCTION_ARGS) int32 objsubid = PG_GETARG_INT32(2); Oid schema_oid = InvalidOid; const char *objname = NULL; + char *objidentity; ObjectAddress address; Datum values[4]; bool nulls[4]; @@ -3988,12 +4193,18 @@ pg_identify_object(PG_FUNCTION_ARGS) table_close(catalog, AccessShareLock); } - /* object type */ - values[0] = CStringGetTextDatum(getObjectTypeDescription(&address)); + /* object type, which can never be NULL */ + values[0] = CStringGetTextDatum(getObjectTypeDescription(&address, true)); nulls[0] = false; + /* + * Before doing anything, extract the object identity. If the identity + * could not be found, set all the fields except the object type to NULL. + */ + objidentity = getObjectIdentity(&address, true); + /* schema name */ - if (OidIsValid(schema_oid)) + if (OidIsValid(schema_oid) && objidentity) { const char *schema = quote_identifier(get_namespace_name(schema_oid)); @@ -4004,7 +4215,7 @@ pg_identify_object(PG_FUNCTION_ARGS) nulls[1] = true; /* object name */ - if (objname) + if (objname && objidentity) { values[2] = CStringGetTextDatum(objname); nulls[2] = false; @@ -4013,8 +4224,13 @@ pg_identify_object(PG_FUNCTION_ARGS) nulls[2] = true; /* object identity */ - values[3] = CStringGetTextDatum(getObjectIdentity(&address)); - nulls[3] = false; + if (objidentity) + { + values[3] = CStringGetTextDatum(objidentity); + nulls[3] = false; + } + else + nulls[3] = true; htup = heap_form_tuple(tupdesc, values, nulls); @@ -4058,26 +4274,34 @@ pg_identify_object_as_address(PG_FUNCTION_ARGS) tupdesc = BlessTupleDesc(tupdesc); /* object type */ - values[0] = CStringGetTextDatum(getObjectTypeDescription(&address)); + values[0] = CStringGetTextDatum(getObjectTypeDescription(&address, true)); nulls[0] = false; /* object identity */ - identity = getObjectIdentityParts(&address, &names, &args); - pfree(identity); - - /* object_names */ - if (names != NIL) - values[1] = PointerGetDatum(strlist_to_textarray(names)); + identity = getObjectIdentityParts(&address, &names, &args, true); + if (identity == NULL) + { + nulls[1] = true; + nulls[2] = true; + } else - values[1] = PointerGetDatum(construct_empty_array(TEXTOID)); - nulls[1] = false; + { + pfree(identity); - /* object_args */ - if (args) - values[2] = PointerGetDatum(strlist_to_textarray(args)); - else - values[2] = PointerGetDatum(construct_empty_array(TEXTOID)); - nulls[2] = false; + /* object_names */ + if (names != NIL) + values[1] = PointerGetDatum(strlist_to_textarray(names)); + else + values[1] = PointerGetDatum(construct_empty_array(TEXTOID)); + nulls[1] = false; + + /* object_args */ + if (args) + values[2] = PointerGetDatum(strlist_to_textarray(args)); + else + values[2] = PointerGetDatum(construct_empty_array(TEXTOID)); + nulls[2] = false; + } htup = heap_form_tuple(tupdesc, values, nulls); @@ -4091,7 +4315,7 @@ pg_identify_object_as_address(PG_FUNCTION_ARGS) * Keep ObjectTypeMap in sync with this. */ char * -getObjectTypeDescription(const ObjectAddress *object) +getObjectTypeDescription(const ObjectAddress *object, bool missing_ok) { StringInfoData buffer; @@ -4101,11 +4325,13 @@ getObjectTypeDescription(const ObjectAddress *object) { case OCLASS_CLASS: getRelationTypeDescription(&buffer, object->objectId, - object->objectSubId); + object->objectSubId, + missing_ok); break; case OCLASS_PROC: - getProcedureTypeDescription(&buffer, object->objectId); + getProcedureTypeDescription(&buffer, object->objectId, + missing_ok); break; case OCLASS_TYPE: @@ -4121,7 +4347,8 @@ getObjectTypeDescription(const ObjectAddress *object) break; case OCLASS_CONSTRAINT: - getConstraintTypeDescription(&buffer, object->objectId); + getConstraintTypeDescription(&buffer, object->objectId, + missing_ok); break; case OCLASS_CONVERSION: @@ -4258,6 +4485,10 @@ getObjectTypeDescription(const ObjectAddress *object) */ } + /* an empty string is equivalent to no object found */ + if (buffer.len == 0) + return NULL; + return buffer.data; } @@ -4265,7 +4496,8 @@ getObjectTypeDescription(const ObjectAddress *object) * subroutine for getObjectTypeDescription: describe a relation type */ static void -getRelationTypeDescription(StringInfo buffer, Oid relid, int32 objectSubId) +getRelationTypeDescription(StringInfo buffer, Oid relid, int32 objectSubId, + bool missing_ok) { HeapTuple relTup; Form_pg_class relForm; @@ -4273,7 +4505,14 @@ getRelationTypeDescription(StringInfo buffer, Oid relid, int32 objectSubId) relTup = SearchSysCache1(RELOID, ObjectIdGetDatum(relid)); if (!HeapTupleIsValid(relTup)) - elog(ERROR, "cache lookup failed for relation %u", relid); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for relation %u", relid); + + /* fallback to "relation" for an undefined object */ + appendStringInfoString(buffer, "relation"); + return; + } relForm = (Form_pg_class) GETSTRUCT(relTup); switch (relForm->relkind) @@ -4320,7 +4559,7 @@ getRelationTypeDescription(StringInfo buffer, Oid relid, int32 objectSubId) * subroutine for getObjectTypeDescription: describe a constraint type */ static void -getConstraintTypeDescription(StringInfo buffer, Oid constroid) +getConstraintTypeDescription(StringInfo buffer, Oid constroid, bool missing_ok) { Relation constrRel; HeapTuple constrTup; @@ -4330,7 +4569,16 @@ getConstraintTypeDescription(StringInfo buffer, Oid constroid) constrTup = get_catalog_object_by_oid(constrRel, Anum_pg_constraint_oid, constroid); if (!HeapTupleIsValid(constrTup)) - elog(ERROR, "cache lookup failed for constraint %u", constroid); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for constraint %u", constroid); + + table_close(constrRel, AccessShareLock); + + /* fallback to "constraint" for an undefined object */ + appendStringInfoString(buffer, "constraint"); + return; + } constrForm = (Form_pg_constraint) GETSTRUCT(constrTup); @@ -4348,7 +4596,8 @@ getConstraintTypeDescription(StringInfo buffer, Oid constroid) * subroutine for getObjectTypeDescription: describe a procedure type */ static void -getProcedureTypeDescription(StringInfo buffer, Oid procid) +getProcedureTypeDescription(StringInfo buffer, Oid procid, + bool missing_ok) { HeapTuple procTup; Form_pg_proc procForm; @@ -4356,7 +4605,14 @@ getProcedureTypeDescription(StringInfo buffer, Oid procid) procTup = SearchSysCache1(PROCOID, ObjectIdGetDatum(procid)); if (!HeapTupleIsValid(procTup)) - elog(ERROR, "cache lookup failed for procedure %u", procid); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for procedure %u", procid); + + /* fallback to "procedure" for an undefined object */ + appendStringInfoString(buffer, "routine"); + return; + } procForm = (Form_pg_proc) GETSTRUCT(procTup); if (procForm->prokind == PROKIND_AGGREGATE) @@ -4373,12 +4629,13 @@ getProcedureTypeDescription(StringInfo buffer, Oid procid) * Obtain a given object's identity, as a palloc'ed string. * * This is for machine consumption, so it's not translated. All elements are - * schema-qualified when appropriate. + * schema-qualified when appropriate. Returns NULL if the object could not + * be found. */ char * -getObjectIdentity(const ObjectAddress *object) +getObjectIdentity(const ObjectAddress *object, bool missing_ok) { - return getObjectIdentityParts(object, NULL, NULL); + return getObjectIdentityParts(object, NULL, NULL, missing_ok); } /* @@ -4387,11 +4644,13 @@ getObjectIdentity(const ObjectAddress *object) * There are two sets of return values: the identity itself as a palloc'd * string is returned. objname and objargs, if not NULL, are output parameters * that receive lists of C-strings that are useful to give back to - * get_object_address() to reconstruct the ObjectAddress. + * get_object_address() to reconstruct the ObjectAddress. Returns NULL if + * the object could not be found. */ char * getObjectIdentityParts(const ObjectAddress *object, - List **objname, List **objargs) + List **objname, List **objargs, + bool missing_ok) { StringInfoData buffer; @@ -4413,31 +4672,63 @@ getObjectIdentityParts(const ObjectAddress *object, switch (getObjectClass(object)) { case OCLASS_CLASS: - getRelationIdentity(&buffer, object->objectId, objname); - if (object->objectSubId != 0) { - char *attr; + char *attr = NULL; - attr = get_attname(object->objectId, object->objectSubId, - false); - appendStringInfo(&buffer, ".%s", quote_identifier(attr)); - if (objname) - *objname = lappend(*objname, attr); + /* + * Check for the attribute first, so as if it is missing we + * can skip the entire relation description. + */ + if (object->objectSubId != 0) + { + attr = get_attname(object->objectId, + object->objectSubId, + missing_ok); + + if (missing_ok && attr == NULL) + break; + } + + getRelationIdentity(&buffer, object->objectId, objname, + missing_ok); + if (objname && *objname == NIL) + break; + + if (attr) + { + appendStringInfo(&buffer, ".%s", + quote_identifier(attr)); + if (objname) + *objname = lappend(*objname, attr); + } } break; case OCLASS_PROC: - appendStringInfoString(&buffer, - format_procedure_qualified(object->objectId)); - if (objname) - format_procedure_parts(object->objectId, objname, objargs); - break; + { + bits16 flags = FORMAT_PROC_FORCE_QUALIFY | FORMAT_PROC_INVALID_AS_NULL; + char *proname = format_procedure_extended(object->objectId, + flags); + if (proname == NULL) + break; + + appendStringInfoString(&buffer, proname); + if (objname) + format_procedure_parts(object->objectId, objname, objargs, + missing_ok); + break; + } case OCLASS_TYPE: { + bits16 flags = FORMAT_TYPE_INVALID_AS_NULL | FORMAT_TYPE_FORCE_QUALIFY; char *typeout; - typeout = format_type_be_qualified(object->objectId); + typeout = format_type_extended(object->objectId, -1, flags); + + if (typeout == NULL) + break; + appendStringInfoString(&buffer, typeout); if (objname) *objname = list_make1(typeout); @@ -4456,8 +4747,14 @@ getObjectIdentityParts(const ObjectAddress *object, object->objectId); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for cast %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for cast %u", + object->objectId); + + table_close(castRel, AccessShareLock); + break; + } castForm = (Form_pg_cast) GETSTRUCT(tup); @@ -4484,8 +4781,12 @@ getObjectIdentityParts(const ObjectAddress *object, collTup = SearchSysCache1(COLLOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(collTup)) - elog(ERROR, "cache lookup failed for collation %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for collation %u", + object->objectId); + break; + } coll = (Form_pg_collation) GETSTRUCT(collTup); schema = get_namespace_name_or_temp(coll->collnamespace); appendStringInfoString(&buffer, @@ -4506,15 +4807,20 @@ getObjectIdentityParts(const ObjectAddress *object, conTup = SearchSysCache1(CONSTROID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(conTup)) - elog(ERROR, "cache lookup failed for constraint %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for constraint %u", + object->objectId); + break; + } con = (Form_pg_constraint) GETSTRUCT(conTup); if (OidIsValid(con->conrelid)) { appendStringInfo(&buffer, "%s on ", quote_identifier(NameStr(con->conname))); - getRelationIdentity(&buffer, con->conrelid, objname); + getRelationIdentity(&buffer, con->conrelid, objname, + false); if (objname) *objname = lappend(*objname, pstrdup(NameStr(con->conname))); } @@ -4529,7 +4835,8 @@ getObjectIdentityParts(const ObjectAddress *object, appendStringInfo(&buffer, "%s on %s", quote_identifier(NameStr(con->conname)), - getObjectIdentityParts(&domain, objname, objargs)); + getObjectIdentityParts(&domain, objname, + objargs, false)); if (objname) *objargs = lappend(*objargs, pstrdup(NameStr(con->conname))); @@ -4548,8 +4855,12 @@ getObjectIdentityParts(const ObjectAddress *object, conTup = SearchSysCache1(CONVOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(conTup)) - elog(ERROR, "cache lookup failed for conversion %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for conversion %u", + object->objectId); + break; + } conForm = (Form_pg_conversion) GETSTRUCT(conTup); schema = get_namespace_name_or_temp(conForm->connamespace); appendStringInfoString(&buffer, @@ -4585,8 +4896,15 @@ getObjectIdentityParts(const ObjectAddress *object, tup = systable_getnext(adscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for attrdef %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for attrdef %u", + object->objectId); + + systable_endscan(adscan); + table_close(attrdefDesc, AccessShareLock); + break; + } attrdef = (Form_pg_attrdef) GETSTRUCT(tup); @@ -4596,7 +4914,8 @@ getObjectIdentityParts(const ObjectAddress *object, appendStringInfo(&buffer, "for %s", getObjectIdentityParts(&colobject, - objname, objargs)); + objname, objargs, + false)); systable_endscan(adscan); table_close(attrdefDesc, AccessShareLock); @@ -4611,8 +4930,12 @@ getObjectIdentityParts(const ObjectAddress *object, langTup = SearchSysCache1(LANGOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(langTup)) - elog(ERROR, "cache lookup failed for language %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for language %u", + object->objectId); + break; + } langForm = (Form_pg_language) GETSTRUCT(langTup); appendStringInfoString(&buffer, quote_identifier(NameStr(langForm->lanname))); @@ -4622,6 +4945,8 @@ getObjectIdentityParts(const ObjectAddress *object, break; } case OCLASS_LARGEOBJECT: + if (!LargeObjectExists(object->objectId)) + break; appendStringInfo(&buffer, "%u", object->objectId); if (objname) @@ -4629,11 +4954,18 @@ getObjectIdentityParts(const ObjectAddress *object, break; case OCLASS_OPERATOR: - appendStringInfoString(&buffer, - format_operator_qualified(object->objectId)); - if (objname) - format_operator_parts(object->objectId, objname, objargs); - break; + { + bits16 flags = FORMAT_OPERATOR_FORCE_QUALIFY | FORMAT_OPERATOR_INVALID_AS_NULL; + char *oprname = format_operator_extended(object->objectId, + flags); + if (oprname == NULL) + break; + + appendStringInfoString(&buffer, oprname); + if (objname) + format_operator_parts(object->objectId, objname, objargs, missing_ok); + break; + } case OCLASS_OPCLASS: { @@ -4646,8 +4978,12 @@ getObjectIdentityParts(const ObjectAddress *object, opcTup = SearchSysCache1(CLAOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(opcTup)) - elog(ERROR, "cache lookup failed for opclass %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for opclass %u", + object->objectId); + break; + } opcForm = (Form_pg_opclass) GETSTRUCT(opcTup); schema = get_namespace_name_or_temp(opcForm->opcnamespace); @@ -4673,7 +5009,8 @@ getObjectIdentityParts(const ObjectAddress *object, } case OCLASS_OPFAMILY: - getOpFamilyIdentity(&buffer, object->objectId, objname); + getOpFamilyIdentity(&buffer, object->objectId, objname, + missing_ok); break; case OCLASS_AM: @@ -4682,8 +5019,12 @@ getObjectIdentityParts(const ObjectAddress *object, amname = get_am_name(object->objectId); if (!amname) - elog(ERROR, "cache lookup failed for access method %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for access method %u", + object->objectId); + break; + } appendStringInfoString(&buffer, quote_identifier(amname)); if (objname) *objname = list_make1(amname); @@ -4715,13 +5056,21 @@ getObjectIdentityParts(const ObjectAddress *object, tup = systable_getnext(amscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for amop entry %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for amop entry %u", + object->objectId); + + systable_endscan(amscan); + table_close(amopDesc, AccessShareLock); + break; + } amopForm = (Form_pg_amop) GETSTRUCT(tup); initStringInfo(&opfam); - getOpFamilyIdentity(&opfam, amopForm->amopfamily, objname); + getOpFamilyIdentity(&opfam, amopForm->amopfamily, objname, + false); ltype = format_type_be_qualified(amopForm->amoplefttype); rtype = format_type_be_qualified(amopForm->amoprighttype); @@ -4769,13 +5118,21 @@ getObjectIdentityParts(const ObjectAddress *object, tup = systable_getnext(amscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for amproc entry %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for amproc entry %u", + object->objectId); + + systable_endscan(amscan); + table_close(amprocDesc, AccessShareLock); + break; + } amprocForm = (Form_pg_amproc) GETSTRUCT(tup); initStringInfo(&opfam); - getOpFamilyIdentity(&opfam, amprocForm->amprocfamily, objname); + getOpFamilyIdentity(&opfam, amprocForm->amprocfamily, objname, + false); ltype = format_type_be_qualified(amprocForm->amproclefttype); rtype = format_type_be_qualified(amprocForm->amprocrighttype); @@ -4810,14 +5167,20 @@ getObjectIdentityParts(const ObjectAddress *object, object->objectId); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for rule %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for rule %u", + object->objectId); + + table_close(ruleDesc, AccessShareLock); + break; + } rule = (Form_pg_rewrite) GETSTRUCT(tup); appendStringInfo(&buffer, "%s on ", quote_identifier(NameStr(rule->rulename))); - getRelationIdentity(&buffer, rule->ev_class, objname); + getRelationIdentity(&buffer, rule->ev_class, objname, false); if (objname) *objname = lappend(*objname, pstrdup(NameStr(rule->rulename))); @@ -4837,14 +5200,20 @@ getObjectIdentityParts(const ObjectAddress *object, object->objectId); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for trigger %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for trigger %u", + object->objectId); + + table_close(trigDesc, AccessShareLock); + break; + } trig = (Form_pg_trigger) GETSTRUCT(tup); appendStringInfo(&buffer, "%s on ", quote_identifier(NameStr(trig->tgname))); - getRelationIdentity(&buffer, trig->tgrelid, objname); + getRelationIdentity(&buffer, trig->tgrelid, objname, false); if (objname) *objname = lappend(*objname, pstrdup(NameStr(trig->tgname))); @@ -4858,8 +5227,12 @@ getObjectIdentityParts(const ObjectAddress *object, nspname = get_namespace_name_or_temp(object->objectId); if (!nspname) - elog(ERROR, "cache lookup failed for namespace %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for namespace %u", + object->objectId); + break; + } appendStringInfoString(&buffer, quote_identifier(nspname)); if (objname) @@ -4876,8 +5249,12 @@ getObjectIdentityParts(const ObjectAddress *object, tup = SearchSysCache1(STATEXTOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for statistics object %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for statistics object %u", + object->objectId); + break; + } formStatistic = (Form_pg_statistic_ext) GETSTRUCT(tup); schema = get_namespace_name_or_temp(formStatistic->stxnamespace); appendStringInfoString(&buffer, @@ -4899,8 +5276,12 @@ getObjectIdentityParts(const ObjectAddress *object, tup = SearchSysCache1(TSPARSEROID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for text search parser %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for text search parser %u", + object->objectId); + break; + } formParser = (Form_pg_ts_parser) GETSTRUCT(tup); schema = get_namespace_name_or_temp(formParser->prsnamespace); appendStringInfoString(&buffer, @@ -4922,8 +5303,12 @@ getObjectIdentityParts(const ObjectAddress *object, tup = SearchSysCache1(TSDICTOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for text search dictionary %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for text search dictionary %u", + object->objectId); + break; + } formDict = (Form_pg_ts_dict) GETSTRUCT(tup); schema = get_namespace_name_or_temp(formDict->dictnamespace); appendStringInfoString(&buffer, @@ -4945,8 +5330,12 @@ getObjectIdentityParts(const ObjectAddress *object, tup = SearchSysCache1(TSTEMPLATEOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for text search template %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for text search template %u", + object->objectId); + break; + } formTmpl = (Form_pg_ts_template) GETSTRUCT(tup); schema = get_namespace_name_or_temp(formTmpl->tmplnamespace); appendStringInfoString(&buffer, @@ -4968,8 +5357,12 @@ getObjectIdentityParts(const ObjectAddress *object, tup = SearchSysCache1(TSCONFIGOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for text search configuration %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for text search configuration %u", + object->objectId); + break; + } formCfg = (Form_pg_ts_config) GETSTRUCT(tup); schema = get_namespace_name_or_temp(formCfg->cfgnamespace); appendStringInfoString(&buffer, @@ -4986,7 +5379,9 @@ getObjectIdentityParts(const ObjectAddress *object, { char *username; - username = GetUserNameFromId(object->objectId, false); + username = GetUserNameFromId(object->objectId, missing_ok); + if (!username) + break; if (objname) *objname = list_make1(username); appendStringInfoString(&buffer, @@ -5000,8 +5395,12 @@ getObjectIdentityParts(const ObjectAddress *object, datname = get_database_name(object->objectId); if (!datname) - elog(ERROR, "cache lookup failed for database %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for database %u", + object->objectId); + break; + } if (objname) *objname = list_make1(datname); appendStringInfoString(&buffer, @@ -5015,8 +5414,12 @@ getObjectIdentityParts(const ObjectAddress *object, tblspace = get_tablespace_name(object->objectId); if (!tblspace) - elog(ERROR, "cache lookup failed for tablespace %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for tablespace %u", + object->objectId); + break; + } if (objname) *objname = list_make1(tblspace); appendStringInfoString(&buffer, @@ -5028,10 +5431,14 @@ getObjectIdentityParts(const ObjectAddress *object, { ForeignDataWrapper *fdw; - fdw = GetForeignDataWrapper(object->objectId); - appendStringInfoString(&buffer, quote_identifier(fdw->fdwname)); - if (objname) - *objname = list_make1(pstrdup(fdw->fdwname)); + fdw = GetForeignDataWrapperExtended(object->objectId, + missing_ok); + if (fdw) + { + appendStringInfoString(&buffer, quote_identifier(fdw->fdwname)); + if (objname) + *objname = list_make1(pstrdup(fdw->fdwname)); + } break; } @@ -5039,11 +5446,15 @@ getObjectIdentityParts(const ObjectAddress *object, { ForeignServer *srv; - srv = GetForeignServer(object->objectId); - appendStringInfoString(&buffer, - quote_identifier(srv->servername)); - if (objname) - *objname = list_make1(pstrdup(srv->servername)); + srv = GetForeignServerExtended(object->objectId, + missing_ok); + if (srv) + { + appendStringInfoString(&buffer, + quote_identifier(srv->servername)); + if (objname) + *objname = list_make1(pstrdup(srv->servername)); + } break; } @@ -5058,8 +5469,12 @@ getObjectIdentityParts(const ObjectAddress *object, tup = SearchSysCache1(USERMAPPINGOID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for user mapping %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for user mapping %u", + object->objectId); + break; + } umform = (Form_pg_user_mapping) GETSTRUCT(tup); useid = umform->umuser; srv = GetForeignServer(umform->umserver); @@ -5106,8 +5521,16 @@ getObjectIdentityParts(const ObjectAddress *object, tup = systable_getnext(rcscan); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for default ACL %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for default ACL %u", + object->objectId); + + systable_endscan(rcscan); + table_close(defaclrel, AccessShareLock); + break; + + } defacl = (Form_pg_default_acl) GETSTRUCT(tup); @@ -5169,8 +5592,12 @@ getObjectIdentityParts(const ObjectAddress *object, extname = get_extension_name(object->objectId); if (!extname) - elog(ERROR, "cache lookup failed for extension %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for extension %u", + object->objectId); + break; + } appendStringInfoString(&buffer, quote_identifier(extname)); if (objname) *objname = list_make1(extname); @@ -5189,8 +5616,12 @@ getObjectIdentityParts(const ObjectAddress *object, tup = SearchSysCache1(EVENTTRIGGEROID, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for event trigger %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for event trigger %u", + object->objectId); + break; + } trigForm = (Form_pg_event_trigger) GETSTRUCT(tup); appendStringInfoString(&buffer, quote_identifier(NameStr(trigForm->evtname))); @@ -5210,14 +5641,20 @@ getObjectIdentityParts(const ObjectAddress *object, object->objectId); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for policy %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for policy %u", + object->objectId); + + table_close(polDesc, AccessShareLock); + break; + } policy = (Form_pg_policy) GETSTRUCT(tup); appendStringInfo(&buffer, "%s on ", quote_identifier(NameStr(policy->polname))); - getRelationIdentity(&buffer, policy->polrelid, objname); + getRelationIdentity(&buffer, policy->polrelid, objname, false); if (objname) *objname = lappend(*objname, pstrdup(NameStr(policy->polname))); @@ -5229,11 +5666,14 @@ getObjectIdentityParts(const ObjectAddress *object, { char *pubname; - pubname = get_publication_name(object->objectId, false); - appendStringInfoString(&buffer, - quote_identifier(pubname)); - if (objname) - *objname = list_make1(pubname); + pubname = get_publication_name(object->objectId, missing_ok); + if (pubname) + { + appendStringInfoString(&buffer, + quote_identifier(pubname)); + if (objname) + *objname = list_make1(pubname); + } break; } @@ -5246,13 +5686,17 @@ getObjectIdentityParts(const ObjectAddress *object, tup = SearchSysCache1(PUBLICATIONREL, ObjectIdGetDatum(object->objectId)); if (!HeapTupleIsValid(tup)) - elog(ERROR, "cache lookup failed for publication table %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for publication table %u", + object->objectId); + break; + } prform = (Form_pg_publication_rel) GETSTRUCT(tup); pubname = get_publication_name(prform->prpubid, false); - getRelationIdentity(&buffer, prform->prrelid, objname); + getRelationIdentity(&buffer, prform->prrelid, objname, false); appendStringInfo(&buffer, " in publication %s", pubname); if (objargs) @@ -5266,11 +5710,14 @@ getObjectIdentityParts(const ObjectAddress *object, { char *subname; - subname = get_subscription_name(object->objectId, false); - appendStringInfoString(&buffer, - quote_identifier(subname)); - if (objname) - *objname = list_make1(subname); + subname = get_subscription_name(object->objectId, missing_ok); + if (subname) + { + appendStringInfoString(&buffer, + quote_identifier(subname)); + if (objname) + *objname = list_make1(subname); + } break; } @@ -5289,8 +5736,14 @@ getObjectIdentityParts(const ObjectAddress *object, object->objectId); if (!HeapTupleIsValid(tup)) - elog(ERROR, "could not find tuple for transform %u", - object->objectId); + { + if (!missing_ok) + elog(ERROR, "could not find tuple for transform %u", + object->objectId); + + table_close(transformDesc, AccessShareLock); + break; + } transform = (Form_pg_transform) GETSTRUCT(tup); @@ -5316,20 +5769,34 @@ getObjectIdentityParts(const ObjectAddress *object, */ } - /* - * If a get_object_address representation was requested, make sure we are - * providing one. We don't check objargs, because many of the cases above - * leave it as NIL. - */ - if (objname && *objname == NIL) - elog(ERROR, "requested object address for unsupported object class %d: text result \"%s\"", - (int) getObjectClass(object), buffer.data); + if (!missing_ok) + { + /* + * If a get_object_address() representation was requested, make sure + * we are providing one. We don't check objargs, because many of the + * cases above leave it as NIL. + */ + if (objname && *objname == NIL) + elog(ERROR, "requested object address for unsupported object class %d: text result \"%s\"", + (int) getObjectClass(object), buffer.data); + } + else + { + /* an empty buffer is equivalent to no object found */ + if (buffer.len == 0) + { + Assert((objname == NULL || *objname == NIL) && + (objargs == NULL || *objargs == NIL)); + return NULL; + } + } return buffer.data; } static void -getOpFamilyIdentity(StringInfo buffer, Oid opfid, List **object) +getOpFamilyIdentity(StringInfo buffer, Oid opfid, List **object, + bool missing_ok) { HeapTuple opfTup; Form_pg_opfamily opfForm; @@ -5339,7 +5806,11 @@ getOpFamilyIdentity(StringInfo buffer, Oid opfid, List **object) opfTup = SearchSysCache1(OPFAMILYOID, ObjectIdGetDatum(opfid)); if (!HeapTupleIsValid(opfTup)) - elog(ERROR, "cache lookup failed for opfamily %u", opfid); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for opfamily %u", opfid); + return; + } opfForm = (Form_pg_opfamily) GETSTRUCT(opfTup); amTup = SearchSysCache1(AMOID, ObjectIdGetDatum(opfForm->opfmethod)); @@ -5368,7 +5839,8 @@ getOpFamilyIdentity(StringInfo buffer, Oid opfid, List **object) * StringInfo. */ static void -getRelationIdentity(StringInfo buffer, Oid relid, List **object) +getRelationIdentity(StringInfo buffer, Oid relid, List **object, + bool missing_ok) { HeapTuple relTup; Form_pg_class relForm; @@ -5377,7 +5849,14 @@ getRelationIdentity(StringInfo buffer, Oid relid, List **object) relTup = SearchSysCache1(RELOID, ObjectIdGetDatum(relid)); if (!HeapTupleIsValid(relTup)) - elog(ERROR, "cache lookup failed for relation %u", relid); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for relation %u", relid); + + if (object) + *object = NIL; + return; + } relForm = (Form_pg_class) GETSTRUCT(relTup); schema = get_namespace_name_or_temp(relForm->relnamespace); diff --git a/src/backend/catalog/pg_depend.c b/src/backend/catalog/pg_depend.c index 21cfdcace9..70baf03178 100644 --- a/src/backend/catalog/pg_depend.c +++ b/src/backend/catalog/pg_depend.c @@ -160,7 +160,7 @@ recordDependencyOnCurrentExtension(const ObjectAddress *object, ereport(ERROR, (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE), errmsg("%s is already a member of extension \"%s\"", - getObjectDescription(object), + getObjectDescription(object, false), get_extension_name(oldext)))); } } @@ -536,7 +536,7 @@ changeDependenciesOn(Oid refClassId, Oid oldRefObjectId, ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), errmsg("cannot remove dependency on %s because it is a system object", - getObjectDescription(&objAddr)))); + getObjectDescription(&objAddr, false)))); /* * We can handle adding a dependency on something pinned, though, since diff --git a/src/backend/catalog/pg_shdepend.c b/src/backend/catalog/pg_shdepend.c index f776e821b3..082b935a69 100644 --- a/src/backend/catalog/pg_shdepend.c +++ b/src/backend/catalog/pg_shdepend.c @@ -638,7 +638,7 @@ checkSharedDependencies(Oid classId, Oid objectId, ereport(ERROR, (errcode(ERRCODE_DEPENDENT_OBJECTS_STILL_EXIST), errmsg("cannot drop %s because it is required by the database system", - getObjectDescription(&object)))); + getObjectDescription(&object, false)))); } object.classId = sdepForm->classid; @@ -1147,7 +1147,7 @@ storeObjectDescription(StringInfo descs, SharedDependencyType deptype, int count) { - char *objdesc = getObjectDescription(object); + char *objdesc = getObjectDescription(object, false); /* separate entries with a newline */ if (descs->len != 0) @@ -1283,7 +1283,7 @@ shdepDropOwned(List *roleids, DropBehavior behavior) (errcode(ERRCODE_DEPENDENT_OBJECTS_STILL_EXIST), errmsg("cannot drop objects owned by %s because they are " "required by the database system", - getObjectDescription(&obj)))); + getObjectDescription(&obj, false)))); } ScanKeyInit(&key[0], @@ -1429,7 +1429,7 @@ shdepReassignOwned(List *roleids, Oid newrole) ereport(ERROR, (errcode(ERRCODE_DEPENDENT_OBJECTS_STILL_EXIST), errmsg("cannot reassign ownership of objects owned by %s because they are required by the database system", - getObjectDescription(&obj)))); + getObjectDescription(&obj, false)))); /* * There's no need to tell the whole truth, which is that we diff --git a/src/backend/commands/event_trigger.c b/src/backend/commands/event_trigger.c index 151cdfff39..7844880170 100644 --- a/src/backend/commands/event_trigger.c +++ b/src/backend/commands/event_trigger.c @@ -1267,10 +1267,11 @@ EventTriggerSQLDropAddObject(const ObjectAddress *object, bool original, bool no /* object identity, objname and objargs */ obj->objidentity = - getObjectIdentityParts(&obj->address, &obj->addrnames, &obj->addrargs); + getObjectIdentityParts(&obj->address, &obj->addrnames, &obj->addrargs, + false); /* object type */ - obj->objecttype = getObjectTypeDescription(&obj->address); + obj->objecttype = getObjectTypeDescription(&obj->address, false); slist_push_head(&(currentEventTriggerState->SQLDropList), &obj->next); @@ -1929,8 +1930,8 @@ pg_event_trigger_ddl_commands(PG_FUNCTION_ARGS) else if (cmd->type == SCT_AlterTSConfig) addr = cmd->d.atscfg.address; - type = getObjectTypeDescription(&addr); - identity = getObjectIdentity(&addr); + type = getObjectTypeDescription(&addr, false); + identity = getObjectIdentity(&addr, false); /* * Obtain schema name, if any ("pg_temp" if a temp diff --git a/src/backend/commands/extension.c b/src/backend/commands/extension.c index 3b69ab7ed5..c796fcd8da 100644 --- a/src/backend/commands/extension.c +++ b/src/backend/commands/extension.c @@ -2919,7 +2919,7 @@ AlterExtensionNamespace(const char *extensionName, const char *newschema, Oid *o errmsg("extension \"%s\" does not support SET SCHEMA", NameStr(extForm->extname)), errdetail("%s is not in the extension's schema \"%s\"", - getObjectDescription(&dep), + getObjectDescription(&dep, false), get_namespace_name(oldNspOid)))); } @@ -3328,7 +3328,7 @@ ExecAlterExtensionContentsStmt(AlterExtensionContentsStmt *stmt, ereport(ERROR, (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE), errmsg("%s is already a member of extension \"%s\"", - getObjectDescription(&object), + getObjectDescription(&object, false), get_extension_name(oldExtension)))); /* @@ -3368,7 +3368,7 @@ ExecAlterExtensionContentsStmt(AlterExtensionContentsStmt *stmt, ereport(ERROR, (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE), errmsg("%s is not a member of extension \"%s\"", - getObjectDescription(&object), + getObjectDescription(&object, false), stmt->extname))); /* diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index 20049f2c55..27b596cb59 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -11304,7 +11304,7 @@ ATExecAlterColumnType(AlteredTableInfo *tab, Relation rel, { /* Not expecting any other direct dependencies... */ elog(ERROR, "unexpected object depending on column: %s", - getObjectDescription(&foundObject)); + getObjectDescription(&foundObject, false)); } break; } @@ -11320,7 +11320,7 @@ ATExecAlterColumnType(AlteredTableInfo *tab, Relation rel, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), errmsg("cannot alter type of a column used by a view or rule"), errdetail("%s depends on column \"%s\"", - getObjectDescription(&foundObject), + getObjectDescription(&foundObject, false), colName))); break; @@ -11339,7 +11339,7 @@ ATExecAlterColumnType(AlteredTableInfo *tab, Relation rel, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), errmsg("cannot alter type of a column used in a trigger definition"), errdetail("%s depends on column \"%s\"", - getObjectDescription(&foundObject), + getObjectDescription(&foundObject, false), colName))); break; @@ -11357,7 +11357,7 @@ ATExecAlterColumnType(AlteredTableInfo *tab, Relation rel, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), errmsg("cannot alter type of a column used in a policy definition"), errdetail("%s depends on column \"%s\"", - getObjectDescription(&foundObject), + getObjectDescription(&foundObject, false), colName))); break; @@ -11418,7 +11418,7 @@ ATExecAlterColumnType(AlteredTableInfo *tab, Relation rel, * a column. */ elog(ERROR, "unexpected object depending on column: %s", - getObjectDescription(&foundObject)); + getObjectDescription(&foundObject, false)); break; /* @@ -11474,7 +11474,7 @@ ATExecAlterColumnType(AlteredTableInfo *tab, Relation rel, foundDep->refobjsubid != 0) ) elog(ERROR, "found unexpected dependency for column: %s", - getObjectDescription(&foundObject)); + getObjectDescription(&foundObject, false)); CatalogTupleDelete(depRel, &depTup->t_self); } diff --git a/src/backend/utils/adt/regproc.c b/src/backend/utils/adt/regproc.c index b41189db5c..6c1ee9c92d 100644 --- a/src/backend/utils/adt/regproc.c +++ b/src/backend/utils/adt/regproc.c @@ -418,7 +418,8 @@ format_procedure_extended(Oid procedure_oid, bits16 flags) * This can be used to feed get_object_address. */ void -format_procedure_parts(Oid procedure_oid, List **objnames, List **objargs) +format_procedure_parts(Oid procedure_oid, List **objnames, List **objargs, + bool missing_ok) { HeapTuple proctup; Form_pg_proc procform; @@ -428,7 +429,11 @@ format_procedure_parts(Oid procedure_oid, List **objnames, List **objargs) proctup = SearchSysCache1(PROCOID, ObjectIdGetDatum(procedure_oid)); if (!HeapTupleIsValid(proctup)) - elog(ERROR, "cache lookup failed for procedure with OID %u", procedure_oid); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for procedure with OID %u", procedure_oid); + return; + } procform = (Form_pg_proc) GETSTRUCT(proctup); nargs = procform->pronargs; @@ -856,15 +861,20 @@ format_operator_qualified(Oid operator_oid) } void -format_operator_parts(Oid operator_oid, List **objnames, List **objargs) +format_operator_parts(Oid operator_oid, List **objnames, List **objargs, + bool missing_ok) { HeapTuple opertup; Form_pg_operator oprForm; opertup = SearchSysCache1(OPEROID, ObjectIdGetDatum(operator_oid)); if (!HeapTupleIsValid(opertup)) - elog(ERROR, "cache lookup failed for operator with OID %u", - operator_oid); + { + if (!missing_ok) + elog(ERROR, "cache lookup failed for operator with OID %u", + operator_oid); + return; + } oprForm = (Form_pg_operator) GETSTRUCT(opertup); *objnames = list_make2(get_namespace_name_or_temp(oprForm->oprnamespace), diff --git a/src/include/catalog/objectaddress.h b/src/include/catalog/objectaddress.h index 144715d4f4..b876617c9d 100644 --- a/src/include/catalog/objectaddress.h +++ b/src/include/catalog/objectaddress.h @@ -70,14 +70,18 @@ extern bool get_object_namensp_unique(Oid class_id); extern HeapTuple get_catalog_object_by_oid(Relation catalog, AttrNumber oidcol, Oid objectId); -extern char *getObjectDescription(const ObjectAddress *object); +extern char *getObjectDescription(const ObjectAddress *object, + bool missing_ok); extern char *getObjectDescriptionOids(Oid classid, Oid objid); extern int read_objtype_from_string(const char *objtype); -extern char *getObjectTypeDescription(const ObjectAddress *object); -extern char *getObjectIdentity(const ObjectAddress *address); +extern char *getObjectTypeDescription(const ObjectAddress *object, + bool missing_ok); +extern char *getObjectIdentity(const ObjectAddress *address, + bool missing_ok); extern char *getObjectIdentityParts(const ObjectAddress *address, - List **objname, List **objargs); + List **objname, List **objargs, + bool missing_ok); extern struct ArrayType *strlist_to_textarray(List *list); extern ObjectType get_relkind_objtype(char relkind); diff --git a/src/include/utils/regproc.h b/src/include/utils/regproc.h index 145452a5ad..330417e888 100644 --- a/src/include/utils/regproc.h +++ b/src/include/utils/regproc.h @@ -29,10 +29,11 @@ extern List *stringToQualifiedNameList(const char *string); extern char *format_procedure(Oid procedure_oid); extern char *format_procedure_qualified(Oid procedure_oid); extern void format_procedure_parts(Oid operator_oid, List **objnames, - List **objargs); + List **objargs, bool missing_ok); + extern char *format_operator(Oid operator_oid); extern char *format_operator_qualified(Oid operator_oid); extern void format_operator_parts(Oid operator_oid, List **objnames, - List **objargs); + List **objargs, bool missing_ok); #endif diff --git a/src/test/regress/expected/object_address.out b/src/test/regress/expected/object_address.out index d6d1470156..388097a695 100644 --- a/src/test/regress/expected/object_address.out +++ b/src/test/regress/expected/object_address.out @@ -521,3 +521,103 @@ drop cascades to function trig() drop cascades to function proc(integer) DROP OWNED BY regress_addr_user; DROP USER regress_addr_user; +-- +-- Checks for invalid objects +-- +-- Make sure that NULL handling is correct. +\pset null 'NULL' +-- Temporarily disable fancy output, so as future additions never create +-- a large amount of diffs. +\a\t +-- Keep this list in the same order as getObjectIdentityParts() +-- in objectaddress.c. +WITH objects (classid, objid, objsubid) AS (VALUES + ('pg_class'::regclass, 0, 0), -- no relation + ('pg_class'::regclass, 'pg_class'::regclass, 100), -- no column for relation + ('pg_proc'::regclass, 0, 0), -- no function + ('pg_type'::regclass, 0, 0), -- no type + ('pg_cast'::regclass, 0, 0), -- no cast + ('pg_collation'::regclass, 0, 0), -- no collation + ('pg_constraint'::regclass, 0, 0), -- no constraint + ('pg_conversion'::regclass, 0, 0), -- no conversion + ('pg_attrdef'::regclass, 0, 0), -- no default attribute + ('pg_language'::regclass, 0, 0), -- no language + ('pg_largeobject'::regclass, 0, 0), -- no large object, no error + ('pg_operator'::regclass, 0, 0), -- no operator + ('pg_opclass'::regclass, 0, 0), -- no opclass, no need to check for no access method + ('pg_opfamily'::regclass, 0, 0), -- no opfamily + ('pg_am'::regclass, 0, 0), -- no access method + ('pg_amop'::regclass, 0, 0), -- no AM operator + ('pg_amproc'::regclass, 0, 0), -- no AM proc + ('pg_rewrite'::regclass, 0, 0), -- no rewrite + ('pg_trigger'::regclass, 0, 0), -- no trigger + ('pg_namespace'::regclass, 0, 0), -- no schema + ('pg_statistic_ext'::regclass, 0, 0), -- no statistics + ('pg_ts_parser'::regclass, 0, 0), -- no TS parser + ('pg_ts_dict'::regclass, 0, 0), -- no TS dictionnary + ('pg_ts_template'::regclass, 0, 0), -- no TS template + ('pg_ts_config'::regclass, 0, 0), -- no TS configuration + ('pg_authid'::regclass, 0, 0), -- no role + ('pg_database'::regclass, 0, 0), -- no database + ('pg_tablespace'::regclass, 0, 0), -- no tablespace + ('pg_foreign_data_wrapper'::regclass, 0, 0), -- no FDW + ('pg_foreign_server'::regclass, 0, 0), -- no server + ('pg_user_mapping'::regclass, 0, 0), -- no user mapping + ('pg_default_acl'::regclass, 0, 0), -- no default ACL + ('pg_extension'::regclass, 0, 0), -- no extension + ('pg_event_trigger'::regclass, 0, 0), -- no event trigger + ('pg_policy'::regclass, 0, 0), -- no policy + ('pg_publication'::regclass, 0, 0), -- no publication + ('pg_publication_rel'::regclass, 0, 0), -- no publication relation + ('pg_subscription'::regclass, 0, 0), -- no subscription + ('pg_transform'::regclass, 0, 0) -- no transformation + ) +SELECT ROW(pg_identify_object(objects.classid, objects.objid, objects.objsubid)) + AS ident, + ROW(pg_identify_object_as_address(objects.classid, objects.objid, objects.objsubid)) + AS addr, + pg_describe_object(objects.classid, objects.objid, objects.objsubid) + AS descr +FROM objects +ORDER BY objects.classid, objects.objid, objects.objsubid; +("(""default acl"",,,)")|("(""default acl"",,)")|NULL +("(tablespace,,,)")|("(tablespace,,)")|NULL +("(type,,,)")|("(type,,)")|NULL +("(routine,,,)")|("(routine,,)")|NULL +("(relation,,,)")|("(relation,,)")|NULL +("(""table column"",,,)")|("(""table column"",,)")|NULL +("(role,,,)")|("(role,,)")|NULL +("(database,,,)")|("(database,,)")|NULL +("(server,,,)")|("(server,,)")|NULL +("(""user mapping"",,,)")|("(""user mapping"",,)")|NULL +("(""foreign-data wrapper"",,,)")|("(""foreign-data wrapper"",,)")|NULL +("(""access method"",,,)")|("(""access method"",,)")|NULL +("(""operator of access method"",,,)")|("(""operator of access method"",,)")|NULL +("(""function of access method"",,,)")|("(""function of access method"",,)")|NULL +("(""default value"",,,)")|("(""default value"",,)")|NULL +("(cast,,,)")|("(cast,,)")|NULL +("(constraint,,,)")|("(constraint,,)")|NULL +("(conversion,,,)")|("(conversion,,)")|NULL +("(language,,,)")|("(language,,)")|NULL +("(""large object"",,,)")|("(""large object"",,)")|NULL +("(schema,,,)")|("(schema,,)")|NULL +("(""operator class"",,,)")|("(""operator class"",,)")|NULL +("(operator,,,)")|("(operator,,)")|NULL +("(rule,,,)")|("(rule,,)")|NULL +("(trigger,,,)")|("(trigger,,)")|NULL +("(""operator family"",,,)")|("(""operator family"",,)")|NULL +("(extension,,,)")|("(extension,,)")|NULL +("(policy,,,)")|("(policy,,)")|NULL +("(""statistics object"",,,)")|("(""statistics object"",,)")|NULL +("(collation,,,)")|("(collation,,)")|NULL +("(""event trigger"",,,)")|("(""event trigger"",,)")|NULL +("(transform,,,)")|("(transform,,)")|NULL +("(""text search dictionary"",,,)")|("(""text search dictionary"",,)")|NULL +("(""text search parser"",,,)")|("(""text search parser"",,)")|NULL +("(""text search configuration"",,,)")|("(""text search configuration"",,)")|NULL +("(""text search template"",,,)")|("(""text search template"",,)")|NULL +("(subscription,,,)")|("(subscription,,)")|NULL +("(publication,,,)")|("(publication,,)")|NULL +("(""publication relation"",,,)")|("(""publication relation"",,)")|NULL +-- restore normal output mode +\a\t diff --git a/src/test/regress/sql/object_address.sql b/src/test/regress/sql/object_address.sql index 8e06248eb5..2f4f66e3e1 100644 --- a/src/test/regress/sql/object_address.sql +++ b/src/test/regress/sql/object_address.sql @@ -221,3 +221,67 @@ DROP SCHEMA addr_nsp CASCADE; DROP OWNED BY regress_addr_user; DROP USER regress_addr_user; + +-- +-- Checks for invalid objects +-- +-- Make sure that NULL handling is correct. +\pset null 'NULL' +-- Temporarily disable fancy output, so as future additions never create +-- a large amount of diffs. +\a\t + +-- Keep this list in the same order as getObjectIdentityParts() +-- in objectaddress.c. +WITH objects (classid, objid, objsubid) AS (VALUES + ('pg_class'::regclass, 0, 0), -- no relation + ('pg_class'::regclass, 'pg_class'::regclass, 100), -- no column for relation + ('pg_proc'::regclass, 0, 0), -- no function + ('pg_type'::regclass, 0, 0), -- no type + ('pg_cast'::regclass, 0, 0), -- no cast + ('pg_collation'::regclass, 0, 0), -- no collation + ('pg_constraint'::regclass, 0, 0), -- no constraint + ('pg_conversion'::regclass, 0, 0), -- no conversion + ('pg_attrdef'::regclass, 0, 0), -- no default attribute + ('pg_language'::regclass, 0, 0), -- no language + ('pg_largeobject'::regclass, 0, 0), -- no large object, no error + ('pg_operator'::regclass, 0, 0), -- no operator + ('pg_opclass'::regclass, 0, 0), -- no opclass, no need to check for no access method + ('pg_opfamily'::regclass, 0, 0), -- no opfamily + ('pg_am'::regclass, 0, 0), -- no access method + ('pg_amop'::regclass, 0, 0), -- no AM operator + ('pg_amproc'::regclass, 0, 0), -- no AM proc + ('pg_rewrite'::regclass, 0, 0), -- no rewrite + ('pg_trigger'::regclass, 0, 0), -- no trigger + ('pg_namespace'::regclass, 0, 0), -- no schema + ('pg_statistic_ext'::regclass, 0, 0), -- no statistics + ('pg_ts_parser'::regclass, 0, 0), -- no TS parser + ('pg_ts_dict'::regclass, 0, 0), -- no TS dictionnary + ('pg_ts_template'::regclass, 0, 0), -- no TS template + ('pg_ts_config'::regclass, 0, 0), -- no TS configuration + ('pg_authid'::regclass, 0, 0), -- no role + ('pg_database'::regclass, 0, 0), -- no database + ('pg_tablespace'::regclass, 0, 0), -- no tablespace + ('pg_foreign_data_wrapper'::regclass, 0, 0), -- no FDW + ('pg_foreign_server'::regclass, 0, 0), -- no server + ('pg_user_mapping'::regclass, 0, 0), -- no user mapping + ('pg_default_acl'::regclass, 0, 0), -- no default ACL + ('pg_extension'::regclass, 0, 0), -- no extension + ('pg_event_trigger'::regclass, 0, 0), -- no event trigger + ('pg_policy'::regclass, 0, 0), -- no policy + ('pg_publication'::regclass, 0, 0), -- no publication + ('pg_publication_rel'::regclass, 0, 0), -- no publication relation + ('pg_subscription'::regclass, 0, 0), -- no subscription + ('pg_transform'::regclass, 0, 0) -- no transformation + ) +SELECT ROW(pg_identify_object(objects.classid, objects.objid, objects.objsubid)) + AS ident, + ROW(pg_identify_object_as_address(objects.classid, objects.objid, objects.objsubid)) + AS addr, + pg_describe_object(objects.classid, objects.objid, objects.objsubid) + AS descr +FROM objects +ORDER BY objects.classid, objects.objid, objects.objsubid; + +-- restore normal output mode +\a\t