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WL#4903 Plugin Service API part I

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(mysql-next-mr backport)
This commit is contained in:
Sergei Golubchik
2009-11-02 21:05:42 +01:00
parent 2cb9f48bab
commit 3d23068f3a
34 changed files with 764 additions and 258 deletions
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22
storage/example/ha_example.cc
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@@ -1,4 +1,4 @@
/* Copyright (C) 2003 MySQL AB
/* Copyright (C) 2003 MySQL AB, 2009 Sun Microsystems, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -921,6 +921,24 @@ static struct st_mysql_sys_var* example_system_variables[]= {
NULL
};
// this is an example of SHOW_FUNC and of my_snprintf() service
static int show_func_example(MYSQL_THD thd, struct st_mysql_show_var *var,
char *buf)
{
var->type= SHOW_CHAR;
var->value= buf; // it's of SHOW_VAR_FUNC_BUFF_SIZE bytes
my_snprintf(buf, SHOW_VAR_FUNC_BUFF_SIZE,
"enum_var is %u, ulong_var is %lu, %.6b", // %b is MySQL extension
srv_enum_var, srv_ulong_var, "really");
return 0;
}
static struct st_mysql_show_var func_status[]=
{
{"example_func_example", (char *)show_func_example, SHOW_FUNC},
{0,0,SHOW_UNDEF}
};
mysql_declare_plugin(example)
{
MYSQL_STORAGE_ENGINE_PLUGIN,
@@ -932,7 +950,7 @@ mysql_declare_plugin(example)
example_init_func, /* Plugin Init */
example_done_func, /* Plugin Deinit */
0x0001 /* 0.1 */,
NULL, /* status variables */
func_status, /* status variables */
example_system_variables, /* system variables */
NULL /* config options */
}