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Code Issues

Restored the old alter-in-use logic upon customer requests.

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This commit is contained in:
dimitr 2006-12-14 16:11:21 +00:00
parent eb8bcb8d32
commit 9d2b718bba
2 changed files with 50 additions and 4 deletions
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48
src/jrd/dfw.epp
View File

@ -2798,10 +2798,23 @@ static bool delete_procedure( thread_db* tdbb,
// Do not allow to drop procedure used by user requests
if (procedure->prc_use_count && MET_procedure_in_use(tdbb, procedure))
{
/*
ERR_post(isc_no_meta_update,
isc_arg_gds, isc_obj_in_use,
isc_arg_string, ERR_cstring(work->dfw_name),
0);
*/
gds__log("Deleting procedure %s which is currently in use by active user requests",
work->dfw_name);
MET_delete_dependencies(tdbb, work->dfw_name, obj_procedure);
if (procedure->prc_existence_lock) {
LCK_release(tdbb, procedure->prc_existence_lock);
}
(*tdbb->tdbb_database->dbb_procedures)[procedure->prc_id] = NULL;
return false;
}
old_flags = procedure->prc_flags;
procedure->prc_flags |= PRC_obsolete;
@ -4200,10 +4213,45 @@ static bool modify_procedure( thread_db* tdbb,
#endif /* SUPERSERVER */
// Do not allow to modify procedure used by user requests
if (procedure->prc_use_count && MET_procedure_in_use(tdbb, procedure))
{
/*
ERR_post(isc_no_meta_update,
isc_arg_gds, isc_obj_in_use,
isc_arg_string, ERR_cstring(work->dfw_name),
0);
*/
gds__log("Modifying procedure %s which is currently in use by active user requests",
work->dfw_name);
USHORT prc_alter_count = procedure->prc_alter_count;
if (prc_alter_count > MAX_PROC_ALTER)
{
ERR_post(isc_no_meta_update,
isc_arg_gds, isc_proc_name,
isc_arg_string, ERR_cstring(work->dfw_name),
isc_arg_gds, isc_version_err,
0);
/* Msg357: too many versions */
}
if (procedure->prc_existence_lock) {
LCK_release(tdbb, procedure->prc_existence_lock);
}
(*tdbb->tdbb_database->dbb_procedures)[procedure->prc_id] = NULL;
if (!(procedure = MET_lookup_procedure_id(tdbb,
work->dfw_id,
false,
true,
PRC_being_altered)))
{
#ifdef SUPERSERVER
THD_rec_mutex_unlock(&tdbb->tdbb_database->dbb_sp_rec_mutex);
#endif
return false;
}
procedure->prc_alter_count = ++prc_alter_count;
}
procedure->prc_flags |= PRC_being_altered;
if (procedure->prc_request)

6
src/jrd/jrd.h
View File

@ -631,9 +631,7 @@ public:
Lock* prc_existence_lock; // existence lock, if any
Firebird::MetaName prc_security_name; // security class name for procedure
Firebird::MetaName prc_name; // ascic name
// No. of times the procedure was altered
// It's shown in internal debug code in jrd.cpp but it's never incremented.
//USHORT prc_alter_count;
USHORT prc_alter_count; // No. of times the procedure was altered
public:
explicit jrd_prc(MemoryPool& p) : prc_security_name(p), prc_name(p) {}
@ -654,7 +652,7 @@ const USHORT PRC_being_altered = 64; // Procedure is getting altered
// invalidating procedure pointers from other parts of metadata cache
const USHORT PRC_check_existence = 128; // Existence lock released
//const USHORT MAX_PROC_ALTER = 64; // No. of times an in-cache procedure can be altered
const USHORT MAX_PROC_ALTER = 64; // No. of times an in-cache procedure can be altered