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Clean up a number of autovacuum loose ends. Make the stats collector

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track shared relations in a separate hashtable, so that operations done
from different databases are counted correctly.  Add proper support for
anti-XID-wraparound vacuuming, even in databases that are never connected
to and so have no stats entries.  Miscellaneous other bug fixes.
Alvaro Herrera, some additional fixes by Tom Lane.
This commit is contained in:
Tom Lane
2005-07-29 19:30:09 +00:00
parent 507b758ad9
commit 5d5f1a79e6
13 changed files with 432 additions and 279 deletions
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10
src/backend/libpq/hba.c
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@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/libpq/hba.c,v 1.145 2005/07/28 15:30:55 momjian Exp $
* $PostgreSQL: pgsql/src/backend/libpq/hba.c,v 1.146 2005/07/29 19:30:04 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -39,6 +39,7 @@
#define atooid(x) ((Oid) strtoul((x), NULL, 10))
#define atoxid(x) ((TransactionId) strtoul((x), NULL, 10))
/* Max size of username ident server can return */
#define IDENT_USERNAME_MAX 512
@@ -999,13 +1000,14 @@ load_hba(void)
* dbname: gets database name (must be of size NAMEDATALEN bytes)
* dboid: gets database OID
* dbtablespace: gets database's default tablespace's OID
* dbfrozenxid: gets database's frozen XID
*
* This is not much related to the other functions in hba.c, but we put it
* here because it uses the next_token() infrastructure.
*/
bool
read_pg_database_line(FILE *fp, char *dbname,
Oid *dboid, Oid *dbtablespace)
read_pg_database_line(FILE *fp, char *dbname, Oid *dboid,
Oid *dbtablespace, TransactionId *dbfrozenxid)
{
char buf[MAX_TOKEN];
@@ -1024,10 +1026,10 @@ read_pg_database_line(FILE *fp, char *dbname,
if (!isdigit((unsigned char) buf[0]))
elog(FATAL, "bad data in flat pg_database file");
*dbtablespace = atooid(buf);
/* discard datfrozenxid */
next_token(fp, buf, sizeof(buf));
if (!isdigit((unsigned char) buf[0]))
elog(FATAL, "bad data in flat pg_database file");
*dbfrozenxid = atoxid(buf);
/* expect EOL next */
if (next_token(fp, buf, sizeof(buf)))
elog(FATAL, "bad data in flat pg_database file");