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WL#2935 - SHOW STATUS support in plugins

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The patch adds DYNAMIC_ARRAY all_status_vars, which is now the
sole source of status information for SHOW STATUS.  Status
variables can be added to and removed from the array dynamically.
SHOW STATUS command uses this array instead of static array
from mysqld.cc
Compatibility with the old, global list of status variables is
preserved in init_server_components(), where this global list is
simply appended to all_status_vars.


include/plugin.h:
  WL#2935 - SHOW STATUS support in plugins
plugin/fulltext/plugin_example.c:
  WL#2935 - SHOW STATUS support in plugins
  example
sql/ha_innodb.cc:
  s/struct show_var_st/SHOW_VAR/
sql/ha_innodb.h:
  s/struct show_var_st/SHOW_VAR/
sql/mysql_priv.h:
  WL#2935 - SHOW STATUS support in plugins
  add_status_vars(), remove_status_vars()
sql/mysqld.cc:
  bug: plugin_free must be called even with --skip-grants
  add_status_vars()/free_status_vars(), remove unused SHOW_xxx_CONST
  s/struct show_var_st/SHOW_VAR/
sql/set_var.cc:
  s/struct show_var_st/SHOW_VAR/
sql/sql_parse.cc:
  s/struct show_var_st/SHOW_VAR/
sql/sql_plugin.cc:
  WL#2935 - SHOW STATUS support in plugins
sql/sql_plugin.h:
  WL#2935 - SHOW STATUS support in plugins
sql/sql_show.cc:
  WL#2935 - SHOW STATUS support in plugins
  DYNAMIC_ARRAY all_status_vars, add_status_vars(), remove_status_vars()
  s/struct show_var_st/SHOW_VAR/
sql/structs.h:
  WL#2935 - SHOW STATUS support in plugins
  SHOW STATUS definitions moved to include/plugin.h and sql_plugin.h
  s/struct show_var_st/SHOW_VAR/
This commit is contained in:
unknown
2006-01-07 14:41:57 +01:00
parent 88469c807e
commit 031ee043fb
12 changed files with 395 additions and 194 deletions
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12
sql/sql_plugin.h
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@ -17,7 +17,17 @@
#ifndef _sql_plugin_h
#define _sql_plugin_h
/*
the following #define adds server-only members to enum_mysql_show_type,
that is defined in plugin.h
*/
#define SHOW_FUNC SHOW_FUNC, SHOW_KEY_CACHE_LONG, SHOW_KEY_CACHE_LONGLONG, \
SHOW_LONG_STATUS, SHOW_DOUBLE_STATUS, SHOW_HAVE, \
SHOW_HA_ROWS, SHOW_SYS, SHOW_LONG_NOFLUSH
#include <plugin.h>
#undef SHOW_FUNC
typedef enum enum_mysql_show_type SHOW_TYPE;
typedef struct st_mysql_show_var SHOW_VAR;
#define MYSQL_ANY_PLUGIN -1
@ -65,7 +75,7 @@ extern my_bool mysql_uninstall_plugin(THD *thd, LEX_STRING *name);
extern my_bool plugin_register_builtin(struct st_mysql_plugin *plugin);
typedef my_bool (plugin_foreach_func)(THD *thd,
typedef my_bool (plugin_foreach_func)(THD *thd,
st_plugin_int *plugin,
void *arg);
extern my_bool plugin_foreach(THD *thd, plugin_foreach_func *func,