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remove handlerton::find_files (new implementation is coming),

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and handlerton::table_exists_in_engine (new implementation is coming),
and handlerton::license (redundant)
This commit is contained in:
Sergei Golubchik
2013-04-07 15:57:38 +02:00
parent 94753d8b94
commit 09ece94fac
4 changed files with 7 additions and 127 deletions
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90
sql/handler.cc
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@ -4371,96 +4371,6 @@ int ha_discover(THD *thd, const char *db, const char *name,
}
/**
Call this function in order to give the handler the possiblity
to ask engine if there are any new tables that should be written to disk
or any dropped tables that need to be removed from disk
*/
struct st_find_files_args
{
const char *db;
const char *path;
const char *wild;
bool dir;
List<LEX_STRING> *files;
};
static my_bool find_files_handlerton(THD *thd, plugin_ref plugin,
void *arg)
{
st_find_files_args *vargs= (st_find_files_args *)arg;
handlerton *hton= plugin_data(plugin, handlerton *);
if (hton->state == SHOW_OPTION_YES && hton->find_files)
if (hton->find_files(hton, thd, vargs->db, vargs->path, vargs->wild,
vargs->dir, vargs->files))
return TRUE;
return FALSE;
}
int
ha_find_files(THD *thd,const char *db,const char *path,
const char *wild, bool dir, List<LEX_STRING> *files)
{
int error= 0;
DBUG_ENTER("ha_find_files");
DBUG_PRINT("enter", ("db: '%s' path: '%s' wild: '%s' dir: %d",
db, path, wild, dir));
st_find_files_args args= {db, path, wild, dir, files};
plugin_foreach(thd, find_files_handlerton,
MYSQL_STORAGE_ENGINE_PLUGIN, &args);
/* The return value is not currently used */
DBUG_RETURN(error);
}
/**
Ask handler if the table exists in engine.
@retval
HA_ERR_NO_SUCH_TABLE Table does not exist
@retval
HA_ERR_TABLE_EXIST Table exists
@retval
\# Error code
*/
struct st_table_exists_in_engine_args
{
const char *db;
const char *name;
int err;
};
static my_bool table_exists_in_engine_handlerton(THD *thd, plugin_ref plugin,
void *arg)
{
st_table_exists_in_engine_args *vargs= (st_table_exists_in_engine_args *)arg;
handlerton *hton= plugin_data(plugin, handlerton *);
int err= HA_ERR_NO_SUCH_TABLE;
if (hton->state == SHOW_OPTION_YES && hton->table_exists_in_engine)
err = hton->table_exists_in_engine(hton, thd, vargs->db, vargs->name);
vargs->err = err;
if (vargs->err == HA_ERR_TABLE_EXIST)
return TRUE;
return FALSE;
}
int ha_table_exists_in_engine(THD* thd, const char* db, const char* name)
{
DBUG_ENTER("ha_table_exists_in_engine");
DBUG_PRINT("enter", ("db: %s, name: %s", db, name));
st_table_exists_in_engine_args args= {db, name, HA_ERR_NO_SUCH_TABLE};
plugin_foreach(thd, table_exists_in_engine_handlerton,
MYSQL_STORAGE_ENGINE_PLUGIN, &args);
DBUG_PRINT("exit", ("error: %d", args.err));
DBUG_RETURN(args.err);
}
#ifdef HAVE_NDB_BINLOG
/*
TODO: change this into a dynamic struct