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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
Download Patch File Download Diff File Expand all files Collapse all files

22
include/plugin.h
View File

@ -41,7 +41,26 @@
int _mysql_plugin_interface_version_= MYSQL_PLUGIN_INTERFACE_VERSION; \
int _mysql_sizeof_struct_st_plugin_= sizeof(struct st_mysql_plugin); \
struct st_mysql_plugin _mysql_plugin_declarations_[]= {
#define mysql_declare_plugin_end ,{0,0,0,0,0,0,0}}
#define mysql_declare_plugin_end ,{0,0,0,0,0,0,0,0}}
/*
declarations for SHOW STATUS support in plugins
*/
enum enum_mysql_show_type
{
SHOW_UNDEF, SHOW_BOOL, SHOW_MY_BOOL, SHOW_INT, SHOW_LONG,
SHOW_LONGLONG, SHOW_CHAR, SHOW_CHAR_PTR,
SHOW_ARRAY, SHOW_FUNC
};
struct st_mysql_show_var {
const char *name;
char *value;
enum enum_mysql_show_type type;
};
#define SHOW_VAR_FUNC_BUFF_SIZE 1024
typedef int (*mysql_show_var_func)(void *, struct st_mysql_show_var*, char *);
/*
Plugin description structure.
@ -57,6 +76,7 @@ struct st_mysql_plugin
int (*init)(void); /* the function to invoke when plugin is loaded */
int (*deinit)(void); /* the function to invoke when plugin is unloaded */
uint version; /* plugin version (for SHOW PLUGINS) */
struct st_mysql_show_var *status_vars;
};
/*************************************************************************