Merge rkalimullin@bk-internal.mysql.com:/home/bk/mysql-4.0

into gw.mysql.r18.ru:/usr/home/ram/work/4.0.b6000

configure.in

@@ -1632,12 +1632,12 @@ if test "$with_debug" = "yes"
 then
   # Medium debug.
   CFLAGS="$DEBUG_CFLAGS $DEBUG_OPTIMIZE_CC -DDBUG_ON -DSAFE_MUTEX $CFLAGS"
-  CXXFLAGS="$DEBUG_CXXFLAGS $DEBUG_OPTIMIZE_CXX -DSAFE_MUTEX $CXXFLAGS"
+  CXXFLAGS="$DEBUG_CXXFLAGS $DEBUG_OPTIMIZE_CXX -DDBUG_ON -DSAFE_MUTEX $CXXFLAGS"
 elif test "$with_debug" = "full"
 then
   # Full debug. Very slow in some cases
   CFLAGS="$DEBUG_CFLAGS -DDBUG_ON -DSAFE_MUTEX -DSAFEMALLOC $CFLAGS"
-  CXXFLAGS="$DEBUG_CXXFLAGS -DSAFE_MUTEX -DSAFEMALLOC $CXXFLAGS"
+  CXXFLAGS="$DEBUG_CXXFLAGS -DDBUG_ON -DSAFE_MUTEX -DSAFEMALLOC $CXXFLAGS"
 else
   # Optimized version. No debug
   CFLAGS="$OPTIMIZE_CFLAGS -DDBUG_OFF $CFLAGS"

innobase/include/srv0srv.h

@@ -27,7 +27,8 @@ extern os_event_t	srv_lock_timeout_thread_event;
 
 /* If the last data file is auto-extended, we add this many pages to it
 at a time */
-#define SRV_AUTO_EXTEND_INCREMENT   (8 * ((1024 * 1024) / UNIV_PAGE_SIZE))
+#define SRV_AUTO_EXTEND_INCREMENT	\
+	(srv_auto_extend_increment * ((1024 * 1024) / UNIV_PAGE_SIZE))
 
 /* This is set to TRUE if the MySQL user has set it in MySQL */
 extern ibool	srv_lower_case_table_names;
@@ -49,6 +50,7 @@ extern ulint*   srv_data_file_is_raw_partition;
 
 extern ibool	srv_auto_extend_last_data_file;
 extern ulint	srv_last_file_size_max;
+extern ulint	srv_auto_extend_increment;
 
 extern ibool	srv_created_new_raw;
 

innobase/srv/srv0srv.c

@@ -86,6 +86,9 @@ ulint	srv_last_file_size_max	= 0;		 /* if != 0, this tells
 						 the max size auto-extending
 						 may increase the last data
 						 file size */
+ulint	srv_auto_extend_increment = 8;		 /* If the last data file is
+						 auto-extended, we add this
+						 many pages to it at a time */
 ulint*  srv_data_file_is_raw_partition = NULL;
 
 /* If the following is TRUE we do not allow inserts etc. This protects

sql/ha_innodb.cc

@@ -4346,12 +4346,12 @@ ha_innobase::update_table_comment(
 			   (ulong) innobase_get_free_space());
 		dict_print_info_on_foreign_keys(FALSE, file, prebuilt->table);
 		flen = ftell(file);
-		if(length + flen + 3 > 64000) {
+		if (flen < 0) {
+			flen = 0;
+		} else if (length + flen + 3 > 64000) {
 			flen = 64000 - 3 - length;
 		}
 
-		ut_ad(flen > 0);
-
 		/* allocate buffer for the full string, and
 		read the contents of the temporary file */
 
@@ -4414,12 +4414,12 @@ ha_innobase::get_foreign_key_create_info(void)
 		prebuilt->trx->op_info = (char*)"";
 
 		flen = ftell(file);
-		if(flen > 64000 - 1) {
+		if (flen < 0) {
+			flen = 0;
+		} else if(flen > 64000 - 1) {
 			flen = 64000 - 1;
 		}
 
-		ut_ad(flen >= 0);
-
 		/* allocate buffer for the string, and
 		read the contents of the temporary file */
 
@@ -4800,12 +4800,12 @@ innodb_show_status(
 	srv_printf_innodb_monitor(srv_monitor_file);
 	flen = ftell(srv_monitor_file);
 	os_file_set_eof(srv_monitor_file);
-	if(flen > 64000 - 1) {
+	if (flen < 0) {
+		flen = 0;
+	} else if (flen > 64000 - 1) {
 		flen = 64000 - 1;
 	}
 
-	ut_ad(flen > 0);
-
 	/* allocate buffer for the string, and
 	read the contents of the temporary file */
 

sql/ha_innodb.h

@@ -208,6 +208,7 @@ extern my_bool innobase_log_archive,
 extern "C" {
 extern ulong srv_max_buf_pool_modified_pct;
 extern ulong srv_max_purge_lag;
+extern ulong srv_auto_extend_increment;
 }
 
 extern TYPELIB innobase_lock_typelib;

sql/mysqld.cc

@@ -3518,6 +3518,7 @@ enum options_mysqld {
   OPT_INNODB_FORCE_RECOVERY,
   OPT_INNODB_STATUS_FILE,
   OPT_INNODB_MAX_DIRTY_PAGES_PCT,
+  OPT_INNODB_AUTOEXTEND_INCREMENT,
   OPT_INNODB_TABLE_LOCKS,
   OPT_BDB_CACHE_SIZE,
   OPT_BDB_LOG_BUFFER_SIZE,
@@ -3659,6 +3660,11 @@ struct my_option my_long_options[] =
    "Path to individual files and their sizes",
    0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
 #ifdef HAVE_INNOBASE_DB
+  {"innodb_autoextend_increment", OPT_INNODB_AUTOEXTEND_INCREMENT,
+   "Data file autoextend increment in megabytes",
+   (gptr*) &srv_auto_extend_increment,
+   (gptr*) &srv_auto_extend_increment,
+   0, GET_LONG, REQUIRED_ARG, 8L, 1L, 1000L, 0, 1L, 0},
   {"innodb_data_home_dir", OPT_INNODB_DATA_HOME_DIR,
    "The common part for Innodb table spaces", (gptr*) &innobase_data_home_dir,
    (gptr*) &innobase_data_home_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0,

sql/set_var.cc

@@ -265,6 +265,8 @@ sys_var_long_ptr        sys_innodb_max_dirty_pages_pct("innodb_max_dirty_pages_p
                                                         &srv_max_buf_pool_modified_pct);
 sys_var_long_ptr	sys_innodb_max_purge_lag("innodb_max_purge_lag",
 							&srv_max_purge_lag);
+sys_var_long_ptr	sys_innodb_autoextend_increment("innodb_autoextend_increment",
+							&srv_auto_extend_increment);
 sys_var_thd_bool	sys_innodb_table_locks("innodb_table_locks",
                                                &SV::innodb_table_locks);
 #endif 					     
@@ -454,6 +456,7 @@ sys_var *sys_variables[]=
 #ifdef HAVE_INNOBASE_DB
   &sys_innodb_max_dirty_pages_pct,
   &sys_innodb_max_purge_lag,
+  &sys_innodb_autoextend_increment,
   &sys_innodb_table_locks,
 #endif    
   &sys_unique_checks
@@ -508,6 +511,7 @@ struct show_var_st init_vars[]= {
   {"init_file",               (char*) &opt_init_file,               SHOW_CHAR_PTR},
 #ifdef HAVE_INNOBASE_DB
   {"innodb_additional_mem_pool_size", (char*) &innobase_additional_mem_pool_size, SHOW_LONG },
+  {sys_innodb_autoextend_increment.name, (char*) &sys_innodb_autoextend_increment, SHOW_SYS},
   {"innodb_buffer_pool_size", (char*) &innobase_buffer_pool_size, SHOW_LONG },
   {"innodb_data_file_path", (char*) &innobase_data_file_path,	    SHOW_CHAR_PTR},
   {"innodb_data_home_dir",  (char*) &innobase_data_home_dir,	    SHOW_CHAR_PTR},