MySQL：如何编写Information Schema Plugin(12)

   table->field[COLUMN_SCHEMA_NAME]->store((char*)key+statement_text_length+1 

                                             , key_length 

                                             ,scs  ); 

   /*获得结果集所占块的个数*/ 

   first_result_block= query_cache_query->result(); 

   if(first_result_block) 

    { 

     /* initialize so we can loop over the result blocks*/ 

     result_block= first_result_block; 

     result_blocks_count = 1;     

     result_blocks_size = result_block->length; 

     result_blocks_size_used = result_block->used; 

     /* loop over the result blocks*/ 

     while((result_block= result_block->next)!=first_result_block) 

     { 

       /* calculate total number of result blocks */ 

             result_blocks_count++;               

       /* calculate total size of result blocks */ 

       result_blocks_size += result_block->length; 

       /* calculate total of used size of result blocks */ 

       result_blocks_size_used += result_block->used; 

     } 

    } 

   else 

    { 

     result_blocks_count = 0; 

     result_blocks_size = 0; 

     result_blocks_size_used = 0; 

    } 

   /* 存储块的个数*/ 

   table->field[COLUMN_RESULT_BLOCKS_COUNT]->store( result_blocks_count ,0); 

   /* 存储总的所占有块的大小*/ 

   table->field[COLUMN_RESULT_BLOCKS_SIZE]->store( result_blocks_size  , 0); 

   /*存储总的已使用块的大小*/