Add fields in the control file to check for whether the backend was

 compiled for integer date/time storage and to check the length of
 storage for the locale fields in the same data structure.
Slightly reword some of the error messages to be more accurate on
 possible recovery options (e.g. recompile *or* re-initdb).
Bump version number on this file.

src/backend/access/transam/xlog.c

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.91 2002/04/03 05:39:29 petere Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.92 2002/04/21 19:08:02 thomas Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2088,6 +2088,17 @@ WriteControlFile(void)
 	ControlFile->catalog_version_no = CATALOG_VERSION_NO;
 	ControlFile->blcksz = BLCKSZ;
 	ControlFile->relseg_size = RELSEG_SIZE;
+
+	ControlFile->nameDataLen = NAMEDATALEN;
+	ControlFile->funcMaxArgs = FUNC_MAX_ARGS;
+
+#ifdef HAVE_INT64_TIMESTAMP
+	ControlFile->enableIntTimes = TRUE;
+#else
+	ControlFile->enableIntTimes = FALSE;
+#endif
+
+	ControlFile->localeBuflen = LOCALE_NAME_BUFLEN;
 	localeptr = setlocale(LC_COLLATE, NULL);
 	if (!localeptr)
 		elog(PANIC, "invalid LC_COLLATE setting");
@@ -2106,7 +2117,7 @@ WriteControlFile(void)
 		elog(WARNING, "Initializing database with %s collation order."
 			 "\n\tThis locale setting will prevent use of index optimization for"
 			 "\n\tLIKE and regexp searches.  If you are concerned about speed of"
-		  "\n\tsuch queries, you may wish to set LC_COLLATE to \"C\" and"
+			 "\n\tsuch queries, you may wish to set LC_COLLATE to \"C\" and"
 			 "\n\tre-initdb.  For more information see the Administrator's Guide.",
 			 ControlFile->lc_collate);
 
@@ -2207,7 +2218,7 @@ ReadControlFile(void)
 	if (ControlFile->catalog_version_no != CATALOG_VERSION_NO)
 		elog(PANIC,
 			 "The database cluster was initialized with CATALOG_VERSION_NO %d,\n"
-		   "\tbut the backend was compiled with CATALOG_VERSION_NO %d.\n"
+			 "\tbut the backend was compiled with CATALOG_VERSION_NO %d.\n"
 			 "\tIt looks like you need to initdb.",
 			 ControlFile->catalog_version_no, CATALOG_VERSION_NO);
 	if (ControlFile->blcksz != BLCKSZ)
@@ -2220,11 +2231,47 @@ ReadControlFile(void)
 		elog(PANIC,
 			 "The database cluster was initialized with RELSEG_SIZE %d,\n"
 			 "\tbut the backend was compiled with RELSEG_SIZE %d.\n"
-			 "\tIt looks like you need to initdb.",
+			 "\tIt looks like you need to recompile or initdb.",
 			 ControlFile->relseg_size, RELSEG_SIZE);
+
+	if (ControlFile->nameDataLen != NAMEDATALEN)
+		elog(PANIC,
+			 "The database cluster was initialized with NAMEDATALEN %d,\n"
+			 "\tbut the backend was compiled with NAMEDATALEN %d.\n"
+			 "\tIt looks like you need to recompile or initdb.",
+			 ControlFile->nameDataLen, NAMEDATALEN);
+
+	if (ControlFile->funcMaxArgs != FUNC_MAX_ARGS)
+		elog(PANIC,
+			 "The database cluster was initialized with FUNC_MAX_ARGS %d,\n"
+			 "\tbut the backend was compiled with FUNC_MAX_ARGS %d.\n"
+			 "\tIt looks like you need to recompile or initdb.",
+			 ControlFile->funcMaxArgs, FUNC_MAX_ARGS);
+
+#ifdef HAVE_INT64_TIMESTAMP
+	if (ControlFile->enableIntTimes != TRUE)
+		elog(PANIC,
+			 "The database cluster was initialized without HAVE_INT64_TIMESTAMP\n"
+			 "\tbut the backend was compiled with HAVE_INT64_TIMESTAMP.\n"
+			 "\tIt looks like you need to recompile or initdb.");
+#else
+	if (ControlFile->enableIntTimes != FALSE)
+		elog(PANIC,
+			 "The database cluster was initialized with HAVE_INT64_TIMESTAMP\n"
+			 "\tbut the backend was compiled without HAVE_INT64_TIMESTAMP.\n"
+			 "\tIt looks like you need to recompile or initdb.");
+#endif
+
+	if (ControlFile->localeBuflen != LOCALE_NAME_BUFLEN)
+		elog(PANIC,
+			 "The database cluster was initialized with LOCALE_NAME_BUFLEN %d,\n"
+			 "\tbut the backend was compiled with LOCALE_NAME_BUFLEN %d.\n"
+			 "\tIt looks like you need to initdb.",
+			 ControlFile->localeBuflen, LOCALE_NAME_BUFLEN);
+
 	if (setlocale(LC_COLLATE, ControlFile->lc_collate) == NULL)
 		elog(PANIC,
-		   "The database cluster was initialized with LC_COLLATE '%s',\n"
+			 "The database cluster was initialized with LC_COLLATE '%s',\n"
 			 "\twhich is not recognized by setlocale().\n"
 			 "\tIt looks like you need to initdb.",
 			 ControlFile->lc_collate);