* miscinit.c
* miscellaneous initialization support stuff
*
- * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.108 2003/07/28 00:09:16 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.114 2003/09/24 18:54:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
static char directoryLockFile[MAXPGPATH];
static char socketLockFile[MAXPGPATH];
-#ifdef CYR_RECODE
-static unsigned char RecodeForwTable[128];
-static unsigned char RecodeBackTable[128];
-
-static void GetCharSetByHost(char *TableName, int host, const char *DataDir);
-#endif
-
/* ----------------------------------------------------------------
* ignoring system indexes support stuff
+ *
+ * NOTE: "ignoring system indexes" means we do not use the system indexes
+ * for lookups (either in hardwired catalog accesses or in planner-generated
+ * plans). We do, however, still update the indexes when a catalog
+ * modification is made.
* ----------------------------------------------------------------
*/
* True if ignoring system indexes.
*/
bool
-IsIgnoringSystemIndexes()
+IsIgnoringSystemIndexes(void)
{
return isIgnoringSystemIndexes;
}
/*
* IgnoreSystemIndexes
- * Set true or false whether PostgreSQL ignores system indexes.
- *
+ * Set true or false whether PostgreSQL ignores system indexes.
*/
void
IgnoreSystemIndexes(bool mode)
isIgnoringSystemIndexes = mode;
}
+/* ----------------------------------------------------------------
+ * system index reindexing support
+ *
+ * When we are busy reindexing a system index, this code provides support
+ * for preventing catalog lookups from using that index.
+ * ----------------------------------------------------------------
+ */
+
+static Oid currentlyReindexedHeap = InvalidOid;
+static Oid currentlyReindexedIndex = InvalidOid;
+
+/*
+ * ReindexIsProcessingHeap
+ * True if heap specified by OID is currently being reindexed.
+ */
+bool
+ReindexIsProcessingHeap(Oid heapOid)
+{
+ return heapOid == currentlyReindexedHeap;
+}
+
+/*
+ * ReindexIsProcessingIndex
+ * True if index specified by OID is currently being reindexed.
+ */
+bool
+ReindexIsProcessingIndex(Oid indexOid)
+{
+ return indexOid == currentlyReindexedIndex;
+}
+
+/*
+ * SetReindexProcessing
+ * Set flag that specified heap/index are being reindexed.
+ * Pass InvalidOid to indicate that reindexing is not active.
+ */
+void
+SetReindexProcessing(Oid heapOid, Oid indexOid)
+{
+ /* Args should be both, or neither, InvalidOid */
+ Assert((heapOid == InvalidOid) == (indexOid == InvalidOid));
+ /* Reindexing is not re-entrant. */
+ Assert(indexOid == InvalidOid || currentlyReindexedIndex == InvalidOid);
+ currentlyReindexedHeap = heapOid;
+ currentlyReindexedIndex = indexOid;
+}
+
/* ----------------------------------------------------------------
* database path / name support stuff
* ----------------------------------------------------------------
DataDir = new;
}
-/* ----------------------------------------------------------------
- * CYR_RECODE support
- * ----------------------------------------------------------------
- */
-
-#ifdef CYR_RECODE
-
-void
-SetCharSet(void)
-{
- FILE *file;
- char *filename;
- char *map_file;
- char buf[MAX_TOKEN];
- int i;
- unsigned char FromChar,
- ToChar;
- char ChTable[MAX_TOKEN];
-
- for (i = 0; i < 128; i++)
- {
- RecodeForwTable[i] = i + 128;
- RecodeBackTable[i] = i + 128;
- }
-
- if (IsUnderPostmaster)
- {
- GetCharSetByHost(ChTable, MyProcPort->raddr.in.sin_addr.s_addr, DataDir);
- filename = ChTable;
- }
- else
- filename = getenv("PG_RECODETABLE");
-
- if (filename && *filename != '\0')
- {
- map_file = palloc(strlen(DataDir) + strlen(filename) + 2);
- sprintf(map_file, "%s/%s", DataDir, filename);
- file = AllocateFile(map_file, "r");
- pfree(map_file);
- if (file == NULL)
- return;
-
- while (!feof(file))
- {
- next_token(file, buf, sizeof(buf));
- if (buf[0] != '\0')
- {
- FromChar = strtoul(buf, 0, 0);
- /* Read the ToChar */
- next_token(file, buf, sizeof(buf));
- if (buf[0] != '\0')
- {
- ToChar = strtoul(buf, 0, 0);
- RecodeForwTable[FromChar - 128] = ToChar;
- RecodeBackTable[ToChar - 128] = FromChar;
-
- /* read to EOL */
- while (!feof(file) && buf[0])
- {
- next_token(file, buf, sizeof(buf));
- elog(LOG, "unexpected token %s in file %s",
- buf, filename);
- }
- }
- }
- }
- FreeFile(file);
- }
-}
-
-
-char *
-convertstr(unsigned char *buff, int len, int dest)
-{
- int i;
- char *ch = buff;
-
- for (i = 0; i < len; i++, buff++)
- {
- if (*buff > 127)
- {
- if (dest)
- *buff = RecodeForwTable[*buff - 128];
- else
- *buff = RecodeBackTable[*buff - 128];
- }
- }
- return ch;
-}
-
-#define CHARSET_FILE "charset.conf"
-#define MAX_CHARSETS 10
-#define KEY_HOST 1
-#define KEY_BASE 2
-#define KEY_TABLE 3
-
-struct CharsetItem
-{
- char Orig[MAX_TOKEN];
- char Dest[MAX_TOKEN];
- char Table[MAX_TOKEN];
-};
-
-
-static bool
-CharSetInRange(char *buf, int host)
-{
- int valid,
- i,
- FromAddr,
- ToAddr,
- tmp;
- struct in_addr file_ip_addr;
- char *p;
- unsigned int one = 0x80000000,
- NetMask = 0;
- unsigned char mask;
-
- p = strchr(buf, '/');
- if (p)
- {
- *p++ = '\0';
- valid = inet_aton(buf, &file_ip_addr);
- if (valid)
- {
- mask = strtoul(p, 0, 0);
- FromAddr = ntohl(file_ip_addr.s_addr);
- ToAddr = ntohl(file_ip_addr.s_addr);
- for (i = 0; i < mask; i++)
- {
- NetMask |= one;
- one >>= 1;
- }
- FromAddr &= NetMask;
- ToAddr = ToAddr | ~NetMask;
- tmp = ntohl(host);
- return ((unsigned) tmp >= (unsigned) FromAddr &&
- (unsigned) tmp <= (unsigned) ToAddr);
- }
- }
- else
- {
- p = strchr(buf, '-');
- if (p)
- {
- *p++ = '\0';
- valid = inet_aton(buf, &file_ip_addr);
- if (valid)
- {
- FromAddr = ntohl(file_ip_addr.s_addr);
- valid = inet_aton(p, &file_ip_addr);
- if (valid)
- {
- ToAddr = ntohl(file_ip_addr.s_addr);
- tmp = ntohl(host);
- return ((unsigned) tmp >= (unsigned) FromAddr &&
- (unsigned) tmp <= (unsigned) ToAddr);
- }
- }
- }
- else
- {
- valid = inet_aton(buf, &file_ip_addr);
- if (valid)
- {
- FromAddr = file_ip_addr.s_addr;
- return (unsigned) FromAddr == (unsigned) host;
- }
- }
- }
- return false;
-}
-
-
-static void
-GetCharSetByHost(char *TableName, int host, const char *DataDir)
-{
- FILE *file;
- char buf[MAX_TOKEN],
- BaseCharset[MAX_TOKEN],
- OrigCharset[MAX_TOKEN],
- DestCharset[MAX_TOKEN],
- HostCharset[MAX_TOKEN],
- *map_file;
- int key,
- ChIndex = 0,
- i,
- bufsize;
- struct CharsetItem *ChArray[MAX_CHARSETS];
-
- *TableName = '\0';
- bufsize = (strlen(DataDir) + strlen(CHARSET_FILE) + 2) * sizeof(char);
- map_file = (char *) palloc(bufsize);
- snprintf(map_file, bufsize, "%s/%s", DataDir, CHARSET_FILE);
- file = AllocateFile(map_file, "r");
- pfree(map_file);
- if (file == NULL)
- {
- /* XXX should we log a complaint? */
- return;
- }
-
- while (!feof(file))
- {
- next_token(file, buf, sizeof(buf));
- if (buf[0] != '\0')
- {
- key = 0;
- if (strcasecmp(buf, "HostCharset") == 0)
- key = KEY_HOST;
- else if (strcasecmp(buf, "BaseCharset") == 0)
- key = KEY_BASE;
- else if (strcasecmp(buf, "RecodeTable") == 0)
- key = KEY_TABLE;
- else
- elog(LOG, "unrecognized tag %s in file %s",
- buf, CHARSET_FILE);
-
- switch (key)
- {
- case KEY_HOST:
- /* Read the host */
- next_token(file, buf, sizeof(buf));
- if (buf[0] != '\0')
- {
- if (CharSetInRange(buf, host))
- {
- /* Read the charset */
- next_token(file, buf, sizeof(buf));
- if (buf[0] != '\0')
- strcpy(HostCharset, buf);
- }
- }
- break;
- case KEY_BASE:
- /* Read the base charset */
- next_token(file, buf, sizeof(buf));
- if (buf[0] != '\0')
- strcpy(BaseCharset, buf);
- break;
- case KEY_TABLE:
- /* Read the original charset */
- next_token(file, buf, sizeof(buf));
- if (buf[0] != '\0')
- {
- strcpy(OrigCharset, buf);
- /* Read the destination charset */
- next_token(file, buf, sizeof(buf));
- if (buf[0] != '\0')
- {
- strcpy(DestCharset, buf);
- /* Read the table filename */
- next_token(file, buf, sizeof(buf));
- if (buf[0] != '\0')
- {
- ChArray[ChIndex] =
- (struct CharsetItem *) palloc(sizeof(struct CharsetItem));
- strcpy(ChArray[ChIndex]->Orig, OrigCharset);
- strcpy(ChArray[ChIndex]->Dest, DestCharset);
- strcpy(ChArray[ChIndex]->Table, buf);
- ChIndex++;
- }
- }
- }
- break;
- }
-
- /* read to EOL */
- while (!feof(file) && buf[0])
- {
- next_token(file, buf, sizeof(buf));
- elog(LOG, "unrecognized tag %s in file %s",
- buf, CHARSET_FILE);
- }
- }
- }
- FreeFile(file);
-
- for (i = 0; i < ChIndex; i++)
- {
- if (strcasecmp(BaseCharset, ChArray[i]->Orig) == 0 &&
- strcasecmp(HostCharset, ChArray[i]->Dest) == 0)
- strncpy(TableName, ChArray[i]->Table, 79);
- pfree(ChArray[i]);
- }
-}
-#endif /* CYR_RECODE */
-
-
/* ----------------------------------------------------------------
* User ID things
* restore the current user id if you need to change it.
* ----------------------------------------------------------------
*/
-static AclId AuthenticatedUserId = 0;
-static AclId SessionUserId = 0;
-static AclId CurrentUserId = 0;
+static AclId AuthenticatedUserId = 0;
+static AclId SessionUserId = 0;
+static AclId CurrentUserId = 0;
static bool AuthenticatedUserIsSuperuser = false;
!AuthenticatedUserIsSuperuser)
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
- errmsg("permission denied")));
+ errmsg("permission denied to set session authorization")));
SetSessionUserId(userid);
SetUserId(userid);
static void
UnlinkLockFile(int status, Datum filename)
{
- char *fname = (char *)DatumGetPointer(filename);
- if( fname != NULL )
- {
- if( unlink(fname) != 0 )
+ char *fname = (char *) DatumGetPointer(filename);
+
+ if (fname != NULL)
{
- /* Should we complain if the unlink fails? */
+ if (unlink(fname) != 0)
+ {
+ /* Should we complain if the unlink fails? */
+ }
+ free(fname);
}
- free(fname);
- }
}
/*
errmsg("lock file \"%s\" already exists",
filename),
isDDLock ?
- errhint("Is another %s (pid %d) running in \"%s\"?",
- (encoded_pid < 0 ? "postgres" : "postmaster"),
- (int) other_pid, refName) :
+ errhint("Is another %s (pid %d) running in \"%s\"?",
+ (encoded_pid < 0 ? "postgres" : "postmaster"),
+ (int) other_pid, refName) :
errhint("Is another %s (pid %d) using \"%s\"?",
- (encoded_pid < 0 ? "postgres" : "postmaster"),
+ (encoded_pid < 0 ? "postgres" : "postmaster"),
(int) other_pid, refName)));
}
}
if (PGSharedMemoryIsInUse(id1, id2))
ereport(FATAL,
(errcode(ERRCODE_LOCK_FILE_EXISTS),
- errmsg("pre-existing shared memory block "
- "(key %lu, id %lu) is still in use",
- id1, id2),
- errhint("If you're sure there are no old "
- "backends still running, remove "
- "the shared memory block with "
- "ipcrm(1), or just delete \"%s\".",
- filename)));
+ errmsg("pre-existing shared memory block "
+ "(key %lu, id %lu) is still in use",
+ id1, id2),
+ errhint("If you're sure there are no old "
+ "backends still running, remove "
+ "the shared memory block with "
+ "ipcrm(1), or just delete \"%s\".",
+ filename)));
}
}
}
errmsg("could not remove old lock file \"%s\": %m",
filename),
errhint("The file seems accidentally left over, but "
- "I couldn't remove it. Please remove the file "
+ "I couldn't remove it. Please remove the file "
"by hand and try again.")));
}
errno = save_errno ? save_errno : ENOSPC;
ereport(FATAL,
(errcode_for_file_access(),
- errmsg("could not write lock file \"%s\": %m", filename)));
+ errmsg("could not write lock file \"%s\": %m", filename)));
}
close(fd);
if (socketLockFile[0] != '\0')
{
/*
- * utime() is POSIX standard, utimes() is a common alternative;
- * if we have neither, fall back to actually reading the file
- * (which only sets the access time not mod time, but that should
- * be enough in most cases). In all paths, we ignore errors.
+ * utime() is POSIX standard, utimes() is a common alternative; if
+ * we have neither, fall back to actually reading the file (which
+ * only sets the access time not mod time, but that should be
+ * enough in most cases). In all paths, we ignore errors.
*/
#ifdef HAVE_UTIME
utime(socketLockFile, NULL);
-#else /* !HAVE_UTIME */
+#else /* !HAVE_UTIME */
#ifdef HAVE_UTIMES
utimes(socketLockFile, NULL);
-#else /* !HAVE_UTIMES */
+#else /* !HAVE_UTIMES */
int fd;
char buffer[1];
read(fd, buffer, sizeof(buffer));
close(fd);
}
-#endif /* HAVE_UTIMES */
-#endif /* HAVE_UTIME */
+#endif /* HAVE_UTIMES */
+#endif /* HAVE_UTIME */
}
}
ret = fscanf(file, "%ld.%ld", &file_major, &file_minor);
if (ret != 2)
- ereport(FATAL,
- (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
- errmsg("\"%s\" is not a valid data directory",
- path),
- errdetail("File \"%s\" does not contain valid data.",
- full_path),
- errhint("You may need to initdb.")));
+ ereport(FATAL,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("\"%s\" is not a valid data directory",
+ path),
+ errdetail("File \"%s\" does not contain valid data.",
+ full_path),
+ errhint("You may need to initdb.")));
FreeFile(file);
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("database files are incompatible with server"),
errdetail("The data directory was initialized by PostgreSQL version %ld.%ld, "
- "which is not compatible with this version %s.",
+ "which is not compatible with this version %s.",
file_major, file_minor, version_string)));
}
#if defined(__mc68000__) && defined(__ELF__)
typedef int32 ((*func_ptr) ());
+
#else
typedef char *((*func_ptr) ());
#endif
if (sep)
{
/*
- * a colon separator implies there is an initialization function
- * that we need to run in addition to loading the library
+ * a colon separator implies there is an initialization
+ * function that we need to run in addition to loading the
+ * library
*/
size_t filename_len = sep - tok;
size_t funcname_len = strlen(tok) - filename_len - 1;
}
initfunc = (func_ptr) load_external_function(filename, funcname,
- false, NULL);
+ true, NULL);
if (initfunc)
- (*initfunc)();
+ (*initfunc) ();
if (funcname)
ereport(LOG,
pfree(rawstring);
freeList(elemlist);
}
-
projects / postgresql / blobdiff