Sundry changes to fix merge problems. Most of these are duplicated

in 5.0-community, but pulling to merge was very hard.

sql/mysql_priv.h

@@ -648,6 +648,7 @@ inline THD *_current_thd(void)
   The meat of thd_proc_info(THD*, char*), a macro that packs the last
   three calling-info parameters. 
 */
+extern "C"
 const char *set_thd_proc_info(THD *thd, const char *info, 
                               const char *calling_func, 
                               const char *calling_file, 
@@ -1912,7 +1913,7 @@ extern handlerton *myisam_hton;
 extern handlerton *heap_hton;
 
 extern SHOW_COMP_OPTION have_ssl, have_symlink, have_dlopen;
-uextern SHOW_COMP_OPTION have_query_cache;
+extern SHOW_COMP_OPTION have_query_cache;
 extern SHOW_COMP_OPTION have_geometry, have_rtree_keys;
 extern SHOW_COMP_OPTION have_crypt;
 extern SHOW_COMP_OPTION have_compress;

sql/mysqld.cc

@@ -5654,8 +5654,8 @@ master-ssl",
    (uchar**) &mysqld_port_timeout, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
 #if defined(ENABLED_PROFILING) && defined(COMMUNITY_SERVER)
   {"profiling_history_size", OPT_PROFILING, "Limit of query profiling memory",
-   (gptr*) &global_system_variables.profiling_history_size,
-   (gptr*) &max_system_variables.profiling_history_size,
+   (uchar**) &global_system_variables.profiling_history_size,
+   (uchar**) &max_system_variables.profiling_history_size,
    0, GET_ULONG, REQUIRED_ARG, 15, 0, 100, 0, 0, 0},
 #endif
   {"relay-log", OPT_RELAY_LOG,
@@ -7204,7 +7204,6 @@ static void mysql_init_variables(void)
 			     "d:t:i:o,/tmp/mysqld.trace");
 #endif
   opt_error_log= IF_WIN(1,0);
-#endif
 #ifdef COMMUNITY_SERVER
     have_community_features = SHOW_OPTION_YES;
 #else

sql/set_var.cc

@@ -583,9 +583,10 @@ static sys_var_thd_bit	sys_unique_checks(&vars, "unique_checks", 0,
 					  OPTION_RELAXED_UNIQUE_CHECKS,
 					  1);
 #if defined(ENABLED_PROFILING) && defined(COMMUNITY_SERVER)
-static sys_var_thd_bit  sys_profiling("profiling", NULL, set_option_bit,
+static sys_var_thd_bit  sys_profiling(&vars, "profiling", NULL, 
+                                      set_option_bit,
                                       ulonglong(OPTION_PROFILING));
-static sys_var_thd_ulong	sys_profiling_history_size("profiling_history_size",
+static sys_var_thd_ulong	sys_profiling_history_size(&vars, "profiling_history_size",
 					      &SV::profiling_history_size);
 #endif
 
@@ -699,10 +700,6 @@ static SHOW_VAR fixed_vars[]= {
   {"pid_file",                (char*) pidfile_name,                 SHOW_CHAR},
   {"plugin_dir",              (char*) opt_plugin_dir,               SHOW_CHAR},
   {"port",                    (char*) &mysqld_port,                 SHOW_INT},
-#if defined(ENABLED_PROFILING) && defined(COMMUNITY_SERVER)
-  {sys_profiling.name,        (char*) &sys_profiling,               SHOW_SYS},
-  {sys_profiling_history_size.name, (char*) &sys_profiling_history_size, SHOW_SYS},
-#endif
   {"protocol_version",        (char*) &protocol_version,            SHOW_INT},
 #ifdef HAVE_SMEM
   {"shared_memory",           (char*) &opt_enable_shared_memory,    SHOW_MY_BOOL},

sql/sql_cache.cc

@@ -1455,7 +1455,6 @@ void Query_cache::invalidate(THD *thd, TABLE_LIST *tables_used,
 
 void Query_cache::invalidate(CHANGED_TABLE_LIST *tables_used)
 {
-  THD *thd= current_thd;
   DBUG_ENTER("Query_cache::invalidate (changed table list)");
   THD *thd= current_thd;
   for (; tables_used; tables_used= tables_used->next)

sql/sql_profile.cc

@@ -28,7 +28,7 @@ const char * const _unknown_func_ = "<unknown>";
 /**
   Connects Information_Schema and Profiling.
 */
-int fill_query_profile_statistics_info(THD *thd, struct st_table_list *tables, 
+int fill_query_profile_statistics_info(THD *thd, TABLE_LIST *tables, 
                                        Item *cond)
 {
 #if defined(ENABLED_PROFILING) && defined(COMMUNITY_SERVER)
@@ -40,26 +40,26 @@ int fill_query_profile_statistics_info(THD *thd, struct st_table_list *tables,
 
 ST_FIELD_INFO query_profile_statistics_info[]=
 {
-  /* name, length, type, value, maybe_null, old_name */
-  {"QUERY_ID", 20, MYSQL_TYPE_LONG, 0, false, NULL},
-  {"SEQ", 20, MYSQL_TYPE_LONG, 0, false, NULL},
-  {"STATE", 30, MYSQL_TYPE_STRING, 0, false, NULL},
-  {"DURATION", TIME_FLOAT_DIGITS, MYSQL_TYPE_DOUBLE, 0, false, NULL},
-  {"CPU_USER", TIME_FLOAT_DIGITS, MYSQL_TYPE_DOUBLE, 0, true, NULL},
-  {"CPU_SYSTEM", TIME_FLOAT_DIGITS, MYSQL_TYPE_DOUBLE, 0, true, NULL},
-  {"CONTEXT_VOLUNTARY", 20, MYSQL_TYPE_LONG, 0, true, NULL},
-  {"CONTEXT_INVOLUNTARY", 20, MYSQL_TYPE_LONG, 0, true, NULL},
-  {"BLOCK_OPS_IN", 20, MYSQL_TYPE_LONG, 0, true, NULL},
-  {"BLOCK_OPS_OUT", 20, MYSQL_TYPE_LONG, 0, true, NULL},
-  {"MESSAGES_SENT", 20, MYSQL_TYPE_LONG, 0, true, NULL},
-  {"MESSAGES_RECEIVED", 20, MYSQL_TYPE_LONG, 0, true, NULL},
-  {"PAGE_FAULTS_MAJOR", 20, MYSQL_TYPE_LONG, 0, true, NULL},
-  {"PAGE_FAULTS_MINOR", 20, MYSQL_TYPE_LONG, 0, true, NULL},
-  {"SWAPS", 20, MYSQL_TYPE_LONG, 0, true, NULL},
-  {"SOURCE_FUNCTION", 30, MYSQL_TYPE_STRING, 0, true, NULL},
-  {"SOURCE_FILE", 20, MYSQL_TYPE_STRING, 0, true, NULL},
-  {"SOURCE_LINE", 20, MYSQL_TYPE_LONG, 0, true, NULL},
-  {NULL, 0, MYSQL_TYPE_STRING, 0, true, NULL}
+  /* name, length, type, value, maybe_null, old_name, open_method */
+  {"QUERY_ID", 20, MYSQL_TYPE_LONG, 0, false, NULL, SKIP_OPEN_TABLE},
+  {"SEQ", 20, MYSQL_TYPE_LONG, 0, false, NULL, SKIP_OPEN_TABLE},
+  {"STATE", 30, MYSQL_TYPE_STRING, 0, false, NULL, SKIP_OPEN_TABLE},
+  {"DURATION", TIME_FLOAT_DIGITS, MYSQL_TYPE_DOUBLE, 0, false, NULL, SKIP_OPEN_TABLE},
+  {"CPU_USER", TIME_FLOAT_DIGITS, MYSQL_TYPE_DOUBLE, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"CPU_SYSTEM", TIME_FLOAT_DIGITS, MYSQL_TYPE_DOUBLE, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"CONTEXT_VOLUNTARY", 20, MYSQL_TYPE_LONG, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"CONTEXT_INVOLUNTARY", 20, MYSQL_TYPE_LONG, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"BLOCK_OPS_IN", 20, MYSQL_TYPE_LONG, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"BLOCK_OPS_OUT", 20, MYSQL_TYPE_LONG, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"MESSAGES_SENT", 20, MYSQL_TYPE_LONG, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"MESSAGES_RECEIVED", 20, MYSQL_TYPE_LONG, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"PAGE_FAULTS_MAJOR", 20, MYSQL_TYPE_LONG, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"PAGE_FAULTS_MINOR", 20, MYSQL_TYPE_LONG, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"SWAPS", 20, MYSQL_TYPE_LONG, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"SOURCE_FUNCTION", 30, MYSQL_TYPE_STRING, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"SOURCE_FILE", 20, MYSQL_TYPE_STRING, 0, true, NULL, SKIP_OPEN_TABLE},
+  {"SOURCE_LINE", 20, MYSQL_TYPE_LONG, 0, true, NULL, SKIP_OPEN_TABLE},
+  {NULL, 0, MYSQL_TYPE_STRING, 0, true, NULL, NULL}
 };
 
 #if defined(ENABLED_PROFILING) && defined(COMMUNITY_SERVER)
@@ -663,7 +663,7 @@ bool PROFILING::show_last(uint options)
 /**
   Fill the information schema table, "query_profile", as defined in show.cc .
 */
-int PROFILING::fill_statistics_info(THD *thd, struct st_table_list *tables, Item *cond)
+int PROFILING::fill_statistics_info(THD *thd, TABLE_LIST *tables, Item *cond)
 {
   DBUG_ENTER("PROFILING::fill_statistics_info");
   TABLE *table= tables->table;

sql/sql_profile.h

@@ -38,7 +38,7 @@ extern const char * const _unknown_func_;
 #endif
 
 extern ST_FIELD_INFO query_profile_statistics_info[];
-int fill_query_profile_statistics_info(THD *thd, struct st_table_list *tables, Item *cond);
+int fill_query_profile_statistics_info(THD *thd, TABLE_LIST *tables, Item *cond);
 
 
 #define PROFILE_NONE         0
@@ -322,7 +322,7 @@ class PROFILING
   bool show_last(uint options);
 
   /* ... from INFORMATION_SCHEMA.PROFILING ... */
-  int fill_statistics_info(THD *thd, struct st_table_list *tables, Item *cond);
+  int fill_statistics_info(THD *thd, TABLE_LIST *tables, Item *cond);
 };
 
 #  endif /* HAVE_PROFILING */