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branches/zip: Mantis issue #201 - remove innodb_plugin_init() due to

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new option --ignore_builtin_innodb

Starting 5.1.33, MySQL has a new option --ignore_builtin_innodb
for using the dynamic plugin. It is required to remove
innodb_plugin_init() in the plugin.

This patch removes innodb_plugin_init() as well as functions,
variables used by innodb_plugin_init().

rb://98

Approved by: Marko
This commit is contained in:
calvin 2009-03-24 15:59:45 +00:00
parent da3661412c
commit 6cf14ddda4
2 changed files with 0 additions and 200 deletions
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188
handler/ha_innodb.cc
View file

@ -115,19 +115,6 @@ undefined. Map it to NULL. */
#ifdef MYSQL_DYNAMIC_PLUGIN
/* These must be weak global variables in the dynamic plugin. */
struct handlerton* innodb_hton_ptr;
#ifdef __WIN__
struct st_mysql_plugin* builtin_innobase_plugin_ptr;
#else
int builtin_innobase_plugin;
#endif /* __WIN__ */
/********************************************************************
Copy InnoDB system variables from the static InnoDB to the dynamic
plugin. */
static
bool
innodb_plugin_init(void);
/*====================*/
/* out: TRUE if the dynamic InnoDB plugin should start */
#else /* MYSQL_DYNAMIC_PLUGIN */
/* This must be a global variable in the statically linked InnoDB. */
struct handlerton* innodb_hton_ptr = NULL;
@ -1857,19 +1844,6 @@ innobase_init(
DBUG_ENTER("innobase_init");
handlerton *innobase_hton= (handlerton *)p;
#ifdef MYSQL_DYNAMIC_PLUGIN
if (!innodb_plugin_init()) {
sql_print_error("InnoDB plugin init failed.");
DBUG_RETURN(-1);
}
if (innodb_hton_ptr) {
/* Patch the statically linked handlerton and variables */
innobase_hton = innodb_hton_ptr;
}
#endif /* MYSQL_DYNAMIC_PLUGIN */
innodb_hton_ptr = innobase_hton;
innobase_hton->state = SHOW_OPTION_YES;
@ -9754,168 +9728,6 @@ static struct st_mysql_sys_var* innobase_system_variables[]= {
NULL
};
#ifdef MYSQL_DYNAMIC_PLUGIN
struct st_mysql_sys_var
{
MYSQL_PLUGIN_VAR_HEADER;
void* value;
};
struct param_mapping
{
const char* server; /* Parameter name in the server. */
const char* plugin; /* Paramater name in the plugin. */
};
/********************************************************************
Match the parameters from the static and dynamic versions. */
static
bool
innobase_match_parameter(
/*=====================*/
/* out: true if names match */
const char* from_server, /* in: variable name from server */
const char* from_plugin) /* in: variable name from plugin */
{
static const param_mapping param_map[] = {
{"use_adaptive_hash_indexes", "adaptive_hash_index"}
};
if (strcmp(from_server, from_plugin) == 0) {
return(true);
}
const param_mapping* param = param_map;
int n_elems = sizeof(param_map) / sizeof(param_map[0]);
for (int i = 0; i < n_elems; ++i, ++param) {
if (strcmp(param->server, from_server) == 0
&& strcmp(param->plugin, from_plugin) == 0) {
return(true);
}
}
return(false);
}
/********************************************************************
Copy InnoDB system variables from the static InnoDB to the dynamic
plugin. */
static
bool
innodb_plugin_init(void)
/*====================*/
/* out: TRUE if the dynamic InnoDB plugin should start */
{
#if !MYSQL_STORAGE_ENGINE_PLUGIN
#error "MYSQL_STORAGE_ENGINE_PLUGIN must be nonzero."
#endif
/* Copy the system variables. */
struct st_mysql_plugin* builtin;
struct st_mysql_sys_var** sta; /* static parameters */
struct st_mysql_sys_var** dyn; /* dynamic parameters */
#ifdef __WIN__
if (!builtin_innobase_plugin_ptr) {
return(true);
}
builtin = builtin_innobase_plugin_ptr;
#else
switch (builtin_innobase_plugin) {
case 0:
return(true);
case MYSQL_STORAGE_ENGINE_PLUGIN:
break;
default:
return(false);
}
builtin = (struct st_mysql_plugin*) &builtin_innobase_plugin;
#endif
for (sta = builtin->system_vars; *sta != NULL; sta++) {
for (dyn = innobase_system_variables; *dyn != NULL; dyn++) {
/* do not copy session variables */
if (((*sta)->flags | (*dyn)->flags)
& PLUGIN_VAR_THDLOCAL) {
continue;
}
if (innobase_match_parameter((*sta)->name,
(*dyn)->name)) {
/* found the corresponding parameter */
/* check if the flags are the same,
ignoring differences in the READONLY or
NOSYSVAR flags;
e.g. we are not copying string variable to
an integer one, but we do not care if it is
readonly in the static and not in the
dynamic */
if (((*sta)->flags ^ (*dyn)->flags)
& ~(PLUGIN_VAR_READONLY
| PLUGIN_VAR_NOSYSVAR)) {
fprintf(stderr,
"InnoDB: %s in static InnoDB "
"(flags=0x%x) differs from "
"%s in dynamic InnoDB "
"(flags=0x%x)\n",
(*sta)->name, (*sta)->flags,
(*dyn)->name, (*dyn)->flags);
/* we could break; here leaving this
parameter uncopied */
return(false);
}
/* assign the value of the static parameter
to the dynamic one, according to their type */
#define COPY_VAR(label, type) \
case label: \
*(type*)(*dyn)->value = *(type*)(*sta)->value; \
break;
switch ((*sta)->flags
& ~(PLUGIN_VAR_MASK
| PLUGIN_VAR_UNSIGNED)) {
COPY_VAR(PLUGIN_VAR_BOOL, char);
COPY_VAR(PLUGIN_VAR_INT, int);
COPY_VAR(PLUGIN_VAR_LONG, long);
COPY_VAR(PLUGIN_VAR_LONGLONG, long long);
COPY_VAR(PLUGIN_VAR_STR, char*);
default:
fprintf(stderr,
"InnoDB: unknown flags "
"0x%x for %s\n",
(*sta)->flags, (*sta)->name);
}
/* Make the static InnoDB variable point to
the dynamic one */
(*sta)->value = (*dyn)->value;
break;
}
}
}
return(true);
}
#endif /* MYSQL_DYNAMIC_PLUGIN */
mysql_declare_plugin(innobase)
{
MYSQL_STORAGE_ENGINE_PLUGIN,

12
handler/win_delay_loader.cc
View file

@ -72,12 +72,6 @@ uint* wdl_lower_case_table_names;
ulong* wdl_specialflag;
int* wdl_my_umask;
/***********************************************************************
The following is defined in ha_innodb.cc. It is used for copying the
system variables from the builtin innodb plugin to the dynamic plugin.
*/
extern struct st_mysql_plugin* builtin_innobase_plugin_ptr;
/***********************************************************************
The preffered load-address defined in PE (portable executable format).*/
#if defined(_M_IA64)
@ -643,12 +637,6 @@ wdl_get_external_variables(void)
"?binlog_format_names@@3PAPBDA",
wdl_binlog_format_names, char*);
/* It is fine if builtin_innobase_plugin is not available. */
builtin_innobase_plugin_ptr = (struct st_mysql_plugin*)
wdl_get_varaddr_from_map(
hmod,
"?builtin_innobase_plugin@@3PAUst_mysql_plugin@@A");
#ifndef DBUG_OFF
GET_PROC_ADDR(_db_enter_);
GET_PROC_ADDR(_db_return_);