26
26
IO_CACHE *io_cache; /* If sorted through filesort */
27
27
unsigned char **sort_keys; /* Buffer for sorting keys */
28
28
unsigned char *buffpek; /* Buffer for buffpek structures */
30
30
unsigned char *addon_buf; /* Pointer to a buffer if sorted with fields */
31
31
size_t addon_length; /* Length of the buffer */
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32
struct st_sort_addon_field *addon_field; /* Pointer to the fields info */