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Viewing changes to drizzled/optimizer/range.h

Moved the SEL_ARG class into its own header and implementation files. Cleaned up a bunch of style
issues in the code for that class. Next commit will clean up more style issues in that class.

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drizzled/optimizer/range.h
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#include <queue>
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class PARAM;
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class JOIN;
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class TRP_ROR_INTERSECT; 
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typedef class Item COND;
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  Field *field;
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} KEY_PART;
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class SEL_ARG;
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namespace drizzled
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{
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namespace optimizer
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{
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class PARAM;
 
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class SEL_ARG;
 
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/**
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  Quick select interface.
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  This class is a parent for all QUICK_*_SELECT classes.
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    otherwise created quick select
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*/
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QuickRangeSelect *get_quick_select(PARAM *param,
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                                     uint32_t index,
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                                     SEL_ARG *key_tree, 
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                                     uint32_t mrr_flags,
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                                     uint32_t mrr_buf_size, 
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                                     MEM_ROOT *alloc);
 
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                                   uint32_t index,
 
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                                   SEL_ARG *key_tree, 
 
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                                   uint32_t mrr_flags,
 
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                                   uint32_t mrr_buf_size, 
 
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                                   MEM_ROOT *alloc);
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uint32_t get_index_for_order(Table *table, order_st *order, ha_rows limit);
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                        int *error);
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bool get_quick_keys(PARAM *param, 
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                    QuickRangeSelect *quick,KEY_PART *key,
 
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                    QuickRangeSelect *quick,
 
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                    KEY_PART *key,
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                    SEL_ARG *key_tree, 
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                    unsigned char *min_key,
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                    uint32_t min_key_flag,