Oops, only wanted python change in the last commit. Backing out.

doc/src/sgml/ref/vacuum.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/vacuum.sgml,v 1.15 2001/05/25 15:34:49 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/vacuum.sgml,v 1.16 2001/05/25 15:45:31 momjian Exp $
 Postgres documentation
 -->
 
@@ -154,8 +154,7 @@ NOTICE:  Index <replaceable class="PARAMETER">index</replaceable>: Pages 28;
 
   <para>
    With no parameter, <command>VACUUM</command> processes every table in the
-   current database. It also detects any extraneous files in the
-   database directory.  With a parameter, <command>VACUUM</command> processes
+   current database.  With a parameter, <command>VACUUM</command> processes
    only that table.
   </para>
 

src/backend/access/transam/varsup.c

@@ -6,7 +6,7 @@
  * Copyright (c) 2000, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.39 2001/05/25 15:34:49 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/access/transam/varsup.c,v 1.40 2001/05/25 15:45:32 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -16,10 +16,7 @@
 #include "access/transam.h"
 #include "access/xlog.h"
 #include "storage/proc.h"
-#include "storage/sinval.h"
-#include "storage/sinvaladt.h"
 
-extern SISeg	   *shmInvalBuffer;
 
 /* Number of XIDs and OIDs to prefetch (preallocate) per XLOG write */
 #define VAR_XID_PREFETCH		1024
@@ -146,44 +143,3 @@ CheckMaxObjectId(Oid assigned_oid)
 
 	SpinRelease(OidGenLockId);
 }
-
-/*
- * GetMinBackendOid -- returns lowest oid stored on startup of
- * each backend.
- */
-Oid
-GetMinStartupOid(void)
-{
-	SISeg	   *segP = shmInvalBuffer;
-	ProcState  *stateP = segP->procState;
-	int			index;
-	Oid			min_oid;
-
-	/* prime with current oid, no need for lock */
-	min_oid = ShmemVariableCache->nextOid;
-
-	SpinAcquire(SInvalLock);
-
-	for (index = 0; index < segP->lastBackend; index++)
-	{
-		SHMEM_OFFSET pOffset = stateP[index].procStruct;
-
-		if (pOffset != INVALID_OFFSET)
-		{
-			PROC	   *proc = (PROC *) MAKE_PTR(pOffset);
-			Oid			proc_oid;
-
-			proc_oid = proc->startOid;	/* we don't use spin-locking in
-									 * AbortTransaction() ! */
-			if (proc == MyProc || proc_oid <= BootstrapObjectIdData)
-				continue;
-			if (proc_oid < min_oid)
-				min_oid = proc_oid;
-		}
-	}
-
-	SpinRelease(SInvalLock);
-	return min_oid;
-}
-
-

src/backend/commands/vacuum.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.194 2001/05/25 15:34:49 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.195 2001/05/25 15:45:32 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -16,12 +16,9 @@
 
 #include <fcntl.h>
 #include <unistd.h>
-#include <stdlib.h>
-#include <limits.h>
 #include <time.h>
 #include <sys/time.h>
 #include <sys/types.h>
-#include <dirent.h>
 #include <sys/file.h>
 #include <sys/stat.h>
 
@@ -33,7 +30,6 @@
 
 #include "access/genam.h"
 #include "access/heapam.h"
-#include "access/transam.h"
 #include "access/xlog.h"
 #include "catalog/catalog.h"
 #include "catalog/catname.h"
@@ -163,7 +159,6 @@ static int	vac_cmp_vtlinks(const void *left, const void *right);
 static bool enough_space(VacPage vacpage, Size len);
 static void init_rusage(VacRUsage *ru0);
 static char *show_rusage(VacRUsage *ru0);
-static void report_orphans(void);
 
 
 /*
@@ -241,10 +236,6 @@ vacuum(VacuumStmt *vacstmt)
 
 	/* clean up */
 	vacuum_shutdown();
-
-	if (VacRelName == NULL)
-		report_orphans();
-
 }
 
 /*
@@ -2655,74 +2646,3 @@ show_rusage(VacRUsage *ru0)
 
 	return result;
 }
-
-/*
- * report_orphans
- *
- * Report files that are not referenced by any pg_class.relfilenode.
- * Could be caused by backend crash no cleaning up.
- */
-static void
-report_orphans(void)
-{
-	DIR		   *db_dir;
-	struct dirent  *db_de;
-	Relation	rel;
-	TupleDesc	tupdesc;
-	HeapScanDesc scan;
-	HeapTuple	tuple;
-	Oid			dir_file_oid;
-	Oid			rel_file_oid;
-	Datum		d;
-	bool		n;
-	bool		match_found;
-	char 		cwd[MAXPGPATH];
-
-	getcwd(cwd,MAXPGPATH);
-	db_dir = opendir(".");
-	rel = heap_openr(RelationRelationName, AccessShareLock);
-	Assert(db_dir);
-
-	/*
-	 * Cycle through directory and check each file against
-	 * pg_class.relfilenode.
-	 * XXX This is O(n^2).  Is it too slow?  bjm
-	 */
-	while ((db_de = readdir(db_dir)) != NULL)
-	{
-		if (strspn(db_de->d_name, "0123456789") ==
-			strlen(db_de->d_name))
-		{
-			dir_file_oid = (Oid) strtoul((db_de->d_name), NULL, 10);
-
-			if (dir_file_oid >= GetMinStartupOid() ||
-				dir_file_oid <= BootstrapObjectIdData)
-				continue;
-
-			tupdesc = RelationGetDescr(rel);
-
-			match_found = false;
-			scan = heap_beginscan(rel, false, SnapshotNow, 0, (ScanKey) NULL);
-			while (HeapTupleIsValid(tuple = heap_getnext(scan, 0)))
-			{
-				d = heap_getattr(tuple, Anum_pg_class_relfilenode, tupdesc, &n);
-				rel_file_oid = DatumGetObjectId(d);
-				if (dir_file_oid == rel_file_oid)
-				{
-					match_found = true;
-					break;
-				}
-			}
-			heap_endscan(scan);
-			/* make sure there was no oid wrap-around during the scan */
-			if (!match_found && dir_file_oid <= ShmemVariableCache->nextOid)
-				elog(NOTICE,
-				"Unreferenced file found in database directory:\n\t%s/%s",
-					cwd, db_de->d_name);
-			/* Maybe one day we can unlink too.  bjm 2001-05-24 */
-		}
-	}
-
-	heap_close(rel, AccessShareLock);
-	closedir(db_dir);
-}

src/backend/postmaster/postmaster.c

@@ -28,7 +28,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.213 2001/05/25 15:34:50 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.214 2001/05/25 15:45:33 momjian Exp $
  *
  * NOTES
  *
@@ -58,7 +58,6 @@
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <dirent.h>
 #include <sys/time.h>
 #include <sys/socket.h>
 #include <errno.h>
@@ -244,7 +243,6 @@ static void RandomSalt(char *salt);
 static void SignalChildren(int signal);
 static int	CountChildren(void);
 static bool CreateOptsFile(int argc, char *argv[]);
-static void RemovePgSorttemp(void);
 
 static pid_t SSDataBase(int xlop);
 
@@ -597,9 +595,6 @@ PostmasterMain(int argc, char *argv[])
 	if (!CreateDataDirLockFile(DataDir, true))
 		ExitPostmaster(1);
 
-	/* Remove old sort files */
-	RemovePgSorttemp();
-
 	/*
 	 * Establish input sockets.
 	 */
@@ -2455,51 +2450,3 @@ CreateOptsFile(int argc, char *argv[])
 	fclose(fp);
 	return true;
 }
-
-
-/*
- * Remove old sort files
- */
-static void
-RemovePgSorttemp(void)
-{
-	char 		db_path[MAXPGPATH];
-	char 		temp_path[MAXPGPATH];
-	char 		rm_path[MAXPGPATH];
-	DIR		   *db_dir;
-	DIR		   *temp_dir;
-	struct dirent  *db_de;
-	struct dirent  *temp_de;
-
-	/*
-	 * Cycle through pg_tempsort for all databases and
-	 * and remove old sort files.
-	 */
-	/* trailing slash forces symlink following */
-	snprintf(db_path, sizeof(db_path), "%s/base/",	DataDir);
-	if ((db_dir = opendir(db_path)) != NULL)
-	{
-		while ((db_de = readdir(db_dir)) != NULL)
-		{
-			snprintf(temp_path, sizeof(temp_path),
-				"%s/%s/%s/",	db_path, db_de->d_name, SORT_TEMP_DIR);
-			if ((temp_dir = opendir(temp_path)) != NULL)
-			{
-				while ((temp_de = readdir(temp_dir)) != NULL)
-				{
-					if (strspn(temp_de->d_name, "0123456789.") ==
-						strlen(temp_de->d_name))
-					{
-						snprintf(rm_path, sizeof(temp_path),
-							"%s/%s/%s/%s",
-							db_path, db_de->d_name,
-							SORT_TEMP_DIR, temp_de->d_name);
-						unlink(rm_path);
-					}
-				}
-				closedir(temp_dir);
-			}
-		}
-		closedir(db_dir);
-	}
-}

src/backend/storage/file/fd.c

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/file/fd.c,v 1.77 2001/05/25 15:34:50 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/file/fd.c,v 1.78 2001/05/25 15:45:33 momjian Exp $
  *
  * NOTES:
  *
@@ -742,29 +742,21 @@ PathNameOpenFile(FileName fileName, int fileFlags, int fileMode)
 File
 OpenTemporaryFile(void)
 {
-	char		tempfilepath[128];
+	char		tempfilename[64];
 	File		file;
 
 	/*
 	 * Generate a tempfile name that's unique within the current
 	 * transaction
 	 */
-	snprintf(tempfilepath, sizeof(tempfilepath),
-			 "%s%c%d.%ld", SORT_TEMP_DIR, SEP_CHAR, MyProcPid,
-			 tempFileCounter++);
+	snprintf(tempfilename, sizeof(tempfilename),
+			 "pg_sorttemp%d.%ld", MyProcPid, tempFileCounter++);
 
 	/* Open the file */
-	file = FileNameOpenFile(tempfilepath,
+	file = FileNameOpenFile(tempfilename,
 							O_RDWR | O_CREAT | O_TRUNC | PG_BINARY, 0600);
 	if (file <= 0)
-	{
-		/* mkdir could fail if some one else already created it */
-		mkdir(SORT_TEMP_DIR, S_IRWXU);
-		file = FileNameOpenFile(tempfilepath,
-							O_RDWR | O_CREAT | O_TRUNC | PG_BINARY, 0600);
-		if (file <= 0)
-			elog(ERROR, "Failed to create temporary file %s", tempfilepath);
-	}
+		elog(ERROR, "Failed to create temporary file %s", tempfilename);
 
 	/* Mark it for deletion at close or EOXact */
 	VfdCache[file].fdstate |= FD_TEMPORARY;

src/backend/storage/lmgr/proc.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.101 2001/05/25 15:34:50 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.102 2001/05/25 15:45:33 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -261,7 +261,6 @@ InitProcess(void)
 	MyProc->databaseId = MyDatabaseId;
 	MyProc->xid = InvalidTransactionId;
 	MyProc->xmin = InvalidTransactionId;
-	MyProc->startOid = ShmemVariableCache->nextOid;
 	MyProc->waitLock = NULL;
 	MyProc->waitHolder = NULL;
 	SHMQueueInit(&(MyProc->procHolders));

src/include/access/transam.h

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: transam.h,v 1.34 2001/05/25 15:34:50 momjian Exp $
+ * $Id: transam.h,v 1.35 2001/05/25 15:45:33 momjian Exp $
  *
  *	 NOTES
  *		Transaction System Version 101 now support proper oid
@@ -133,7 +133,6 @@ extern void GetNewTransactionId(TransactionId *xid);
 extern void ReadNewTransactionId(TransactionId *xid);
 extern void GetNewObjectId(Oid *oid_return);
 extern void CheckMaxObjectId(Oid assigned_oid);
-extern Oid GetMinStartupOid(void);
 
 /* ----------------
  *		global variable extern declarations

src/include/storage/fd.h

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: fd.h,v 1.28 2001/05/25 15:34:50 momjian Exp $
+ * $Id: fd.h,v 1.29 2001/05/25 15:45:34 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -39,8 +39,6 @@
  * FileSeek uses the standard UNIX lseek(2) flags.
  */
 
-#define SORT_TEMP_DIR "pg_sorttemp"
-
 typedef char *FileName;
 
 typedef int File;

src/include/storage/proc.h

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: proc.h,v 1.42 2001/05/25 15:34:50 momjian Exp $
+ * $Id: proc.h,v 1.43 2001/05/25 15:45:34 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -50,9 +50,6 @@ struct proc
 								 * were starting our xact: vacuum must not
 								 * remove tuples deleted by xid >= xmin ! */
 
-	Oid			startOid;		/* oid at startup, used by vacuum to find
-								 * orphaned files.
-								 */
 	/*
 	 * XLOG location of first XLOG record written by this backend's
 	 * current transaction.  If backend is not in a transaction or hasn't