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Remove 'datlastsysoid'.

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It hasn't been used for anything for a long time. Up until recently,
we still queried it when dumping very old servers, but since
commit 30e7c175b8, there's no longer any
code at all that cares about it.

Discussion: http://postgr.es/m/CA+Tgmoa14=BRq0WEd0eevjEMn9EkghDB1FZEkBw7+UAb7tF49A@mail.gmail.com
This commit is contained in:
Robert Haas
2022-01-20 08:56:54 -05:00
parent b700f96cff
commit ab4fd4f868
8 changed files with 9 additions and 38 deletions
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19
src/backend/commands/dbcommands.c
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@@ -84,8 +84,7 @@ static void movedb_failure_callback(int code, Datum arg);
static bool get_db_info(const char *name, LOCKMODE lockmode,
Oid *dbIdP, Oid *ownerIdP,
int *encodingP, bool *dbIsTemplateP, bool *dbAllowConnP,
Oid *dbLastSysOidP, TransactionId *dbFrozenXidP,
MultiXactId *dbMinMultiP,
TransactionId *dbFrozenXidP, MultiXactId *dbMinMultiP,
Oid *dbTablespace, char **dbCollate, char **dbCtype);
static bool have_createdb_privilege(void);
static void remove_dbtablespaces(Oid db_id);
@@ -108,7 +107,6 @@ createdb(ParseState *pstate, const CreatedbStmt *stmt)
char *src_ctype = NULL;
bool src_istemplate;
bool src_allowconn;
Oid src_lastsysoid = InvalidOid;
TransactionId src_frozenxid = InvalidTransactionId;
MultiXactId src_minmxid = InvalidMultiXactId;
Oid src_deftablespace;
@@ -318,7 +316,7 @@ createdb(ParseState *pstate, const CreatedbStmt *stmt)
if (!get_db_info(dbtemplate, ShareLock,
&src_dboid, &src_owner, &src_encoding,
&src_istemplate, &src_allowconn, &src_lastsysoid,
&src_istemplate, &src_allowconn,
&src_frozenxid, &src_minmxid, &src_deftablespace,
&src_collate, &src_ctype))
ereport(ERROR,
@@ -532,7 +530,6 @@ createdb(ParseState *pstate, const CreatedbStmt *stmt)
new_record[Anum_pg_database_datistemplate - 1] = BoolGetDatum(dbistemplate);
new_record[Anum_pg_database_datallowconn - 1] = BoolGetDatum(dballowconnections);
new_record[Anum_pg_database_datconnlimit - 1] = Int32GetDatum(dbconnlimit);
new_record[Anum_pg_database_datlastsysoid - 1] = ObjectIdGetDatum(src_lastsysoid);
new_record[Anum_pg_database_datfrozenxid - 1] = TransactionIdGetDatum(src_frozenxid);
new_record[Anum_pg_database_datminmxid - 1] = TransactionIdGetDatum(src_minmxid);
new_record[Anum_pg_database_dattablespace - 1] = ObjectIdGetDatum(dst_deftablespace);
@@ -802,7 +799,7 @@ dropdb(const char *dbname, bool missing_ok, bool force)
pgdbrel = table_open(DatabaseRelationId, RowExclusiveLock);
if (!get_db_info(dbname, AccessExclusiveLock, &db_id, NULL, NULL,
&db_istemplate, NULL, NULL, NULL, NULL, NULL, NULL, NULL))
&db_istemplate, NULL, NULL, NULL, NULL, NULL, NULL))
{
if (!missing_ok)
{
@@ -1001,7 +998,7 @@ RenameDatabase(const char *oldname, const char *newname)
rel = table_open(DatabaseRelationId, RowExclusiveLock);
if (!get_db_info(oldname, AccessExclusiveLock, &db_id, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL))
NULL, NULL, NULL, NULL, NULL, NULL, NULL))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_DATABASE),
errmsg("database \"%s\" does not exist", oldname)));
@@ -1114,7 +1111,7 @@ movedb(const char *dbname, const char *tblspcname)
pgdbrel = table_open(DatabaseRelationId, RowExclusiveLock);
if (!get_db_info(dbname, AccessExclusiveLock, &db_id, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, &src_tblspcoid, NULL, NULL))
NULL, NULL, NULL, NULL, &src_tblspcoid, NULL, NULL))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_DATABASE),
errmsg("database \"%s\" does not exist", dbname)));
@@ -1757,8 +1754,7 @@ static bool
get_db_info(const char *name, LOCKMODE lockmode,
Oid *dbIdP, Oid *ownerIdP,
int *encodingP, bool *dbIsTemplateP, bool *dbAllowConnP,
Oid *dbLastSysOidP, TransactionId *dbFrozenXidP,
MultiXactId *dbMinMultiP,
TransactionId *dbFrozenXidP, MultiXactId *dbMinMultiP,
Oid *dbTablespace, char **dbCollate, char **dbCtype)
{
bool result = false;
@@ -1839,9 +1835,6 @@ get_db_info(const char *name, LOCKMODE lockmode,
/* allowing connections? */
if (dbAllowConnP)
*dbAllowConnP = dbform->datallowconn;
/* last system OID used in database */
if (dbLastSysOidP)
*dbLastSysOidP = dbform->datlastsysoid;
/* limit of frozen XIDs */
if (dbFrozenXidP)
*dbFrozenXidP = dbform->datfrozenxid;