MySQL：如何编写Information Schema Plugin(13)

   table->field[COLUMN_RESULT_BLOCKS_SIZE_USED]->store(result_blocks_size_used , 0 ); 

   /* 将记录存储到表中*/ 

   status = schema_table_store_record(thd, table); 

   if (status) {                                               

     status= 1;                                    

           goto cleanup;                    

} 

  } 

 status = 0;                                      

cleanup:                                          

  query_cache.unlock(); 

 return status; 

} 

static intmysql_is_cached_queries_plugin_init(void *p) 

{ 

 ST_SCHEMA_TABLE *schema= (ST_SCHEMA_TABLE *)p; 

 schema->fields_info= mysql_is_cached_queries_fields; 

 schema->fill_table= mysql_is_cached_queries_fill_table; 

 return 0; 

} 

static int mysql_is_cached_queries_plugin_deinit(void*p) 

{ 

         return0; 

} 

struct st_mysql_information_schemamysql_is_cached_queries_plugin= 

{MYSQL_INFORMATION_SCHEMA_INTERFACE_VERSION }; 

/*

 Plugin library descriptor

*/ 

mysql_declare_plugin(mysql_is_cached_queries) 

{ 

 MYSQL_INFORMATION_SCHEMA_PLUGIN, 

 &mysql_is_cached_queries_plugin, 

 "MYSQL_CACHED_QUERIES", 

 "Roland Bouman", 

 "Lists all queries in the query cache.", 

 PLUGIN_LICENSE_GPL,