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drizzled/optimizer/range.h
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namespace drizzled
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{
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class Join;
 
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class JOIN;
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class RorIntersectReadPlan; 
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typedef class Item COND;
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typedef struct st_io_cache IO_CACHE;
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}
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typedef struct st_handler_buffer HANDLER_BUFFER;
 
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typedef struct st_key_part
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{
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  uint16_t key;
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  uint16_t part;
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  /* See KeyPartInfo for meaning of the next two: */
 
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  /* See KEY_PART_INFO for meaning of the next two: */
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  uint16_t store_length;
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  uint16_t length;
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  uint8_t null_bit;
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   * Returns true if any index used by this quick select
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   * uses field which is marked in passed bitmap.
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   */
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  virtual bool is_keys_used(const boost::dynamic_bitset<>& fields);
 
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  virtual bool is_keys_used(const MyBitmap *fields);
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};
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struct st_qsel_param;
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                                   uint32_t mrr_buf_size, 
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                                   memory::Root *alloc);
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uint32_t get_index_for_order(Table *table, Order *order, ha_rows limit);
 
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uint32_t get_index_for_order(Table *table, order_st *order, ha_rows limit);
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SqlSelect *make_select(Table *head, 
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                       table_map const_tables,