*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/catalog/pg_shdepend.c,v 1.24 2008/03/24 19:12:49 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/catalog/pg_shdepend.c,v 1.25 2008/03/24 19:47:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
* checkSharedDependencies
*
* Check whether there are shared dependency entries for a given shared
- * object. Returns a string containing a newline-separated list of object
+ * object; return true if so.
+ *
+ * In addition, return a string containing a newline-separated list of object
* descriptions that depend on the shared object, or NULL if none is found.
- * The size of the returned string is limited to about MAX_REPORTED_DEPS lines;
- * if there are more objects than that, the output is returned truncated at
- * that point while the full message is logged to the postmaster log.
+ * We actually return two such strings; the "detail" result is suitable for
+ * returning to the client as an errdetail() string, and is limited in size.
+ * The "detail_log" string is potentially much longer, and should be emitted
+ * to the server log only.
*
* We can find three different kinds of dependencies: dependencies on objects
* of the current database; dependencies on shared objects; and dependencies
*
* If we find a SHARED_DEPENDENCY_PIN entry, we can error out early.
*/
-char *
-checkSharedDependencies(Oid classId, Oid objectId)
+bool
+checkSharedDependencies(Oid classId, Oid objectId,
+ char **detail_msg, char **detail_log_msg)
{
Relation sdepRel;
ScanKeyData key[2];
/*
* We limit the number of dependencies reported to the client to
* MAX_REPORTED_DEPS, since client software may not deal well with
- * enormous error strings. The server log always gets a full report,
- * which is collected in a separate StringInfo if and only if we detect
- * that the client report is going to be truncated.
+ * enormous error strings. The server log always gets a full report.
*/
#define MAX_REPORTED_DEPS 100
sdepForm->deptype, 0);
}
else
- {
numNotReportedDeps++;
- /* initialize the server-only log line */
- if (alldescs.len == 0)
- appendBinaryStringInfo(&alldescs, descs.data, descs.len);
-
- storeObjectDescription(&alldescs, LOCAL_OBJECT, &object,
- sdepForm->deptype, 0);
- }
+ storeObjectDescription(&alldescs, LOCAL_OBJECT, &object,
+ sdepForm->deptype, 0);
}
else if (sdepForm->dbid == InvalidOid)
{
sdepForm->deptype, 0);
}
else
- {
numNotReportedDeps++;
- /* initialize the server-only log line */
- if (alldescs.len == 0)
- appendBinaryStringInfo(&alldescs, descs.data, descs.len);
-
- storeObjectDescription(&alldescs, SHARED_OBJECT, &object,
- sdepForm->deptype, 0);
- }
+ storeObjectDescription(&alldescs, SHARED_OBJECT, &object,
+ sdepForm->deptype, 0);
}
else
{
heap_close(sdepRel, AccessShareLock);
/*
- * Report dependencies on remote databases. If we're truncating the
- * output already, don't put a line per database, but a single one for all
- * of them. Otherwise add as many as fit in MAX_REPORTED_DEPS.
+ * Summarize dependencies in remote databases.
*/
foreach(cell, remDeps)
{
SHARED_DEPENDENCY_INVALID, dep->count);
}
else
- {
numNotReportedDbs++;
- /* initialize the server-only log line */
- if (alldescs.len == 0)
- appendBinaryStringInfo(&alldescs, descs.data, descs.len);
-
- storeObjectDescription(&alldescs, REMOTE_OBJECT, &object,
- SHARED_DEPENDENCY_INVALID, dep->count);
- }
+ storeObjectDescription(&alldescs, REMOTE_OBJECT, &object,
+ SHARED_DEPENDENCY_INVALID, dep->count);
}
list_free_deep(remDeps);
{
pfree(descs.data);
pfree(alldescs.data);
- return NULL;
+ *detail_msg = *detail_log_msg = NULL;
+ return false;
}
if (numNotReportedDeps > 0)
"(see server log for list)"),
numNotReportedDbs);
- if (numNotReportedDeps > 0 || numNotReportedDbs > 0)
- {
- ObjectAddress obj;
-
- obj.classId = classId;
- obj.objectId = objectId;
- obj.objectSubId = 0;
- ereport(LOG,
- (errmsg("there are objects dependent on %s",
- getObjectDescription(&obj)),
- errdetail("%s", alldescs.data)));
- }
-
- pfree(alldescs.data);
-
- return descs.data;
+ *detail_msg = descs.data;
+ *detail_log_msg = alldescs.data;
+ return true;
}
/*
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/backend/commands/user.c,v 1.178 2008/01/01 19:45:49 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/user.c,v 1.179 2008/03/24 19:47:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
tmp_tuple;
ScanKeyData scankey;
char *detail;
+ char *detail_log;
SysScanDesc sscan;
Oid roleid;
LockSharedObject(AuthIdRelationId, roleid, 0, AccessExclusiveLock);
/* Check for pg_shdepend entries depending on this role */
- if ((detail = checkSharedDependencies(AuthIdRelationId, roleid)) != NULL)
+ if (checkSharedDependencies(AuthIdRelationId, roleid,
+ &detail, &detail_log))
ereport(ERROR,
(errcode(ERRCODE_DEPENDENT_OBJECTS_STILL_EXIST),
errmsg("role \"%s\" cannot be dropped because some objects depend on it",
role),
- errdetail("%s", detail)));
+ errdetail("%s", detail),
+ errdetail_log("%s", detail_log)));
/*
* Remove the role from the pg_authid table
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/catalog/dependency.h,v 1.33 2008/01/01 19:45:56 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/catalog/dependency.h,v 1.34 2008/03/24 19:47:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
int noldmembers, Oid *oldmembers,
int nnewmembers, Oid *newmembers);
-extern char *checkSharedDependencies(Oid classId, Oid objectId);
+extern bool checkSharedDependencies(Oid classId, Oid objectId,
+ char **detail_msg, char **detail_log_msg);
extern void copyTemplateDependencies(Oid templateDbId, Oid newDbId);
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