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drizzled/order.h
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#ifndef DRIZZLED_ORDER_H
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#define DRIZZLED_ORDER_H
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#include <drizzled/sql_bitmap.h>
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#include <drizzled/field.h>
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namespace drizzled
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{
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class Item;
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/* Order clause list element */
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/* Order clause list element */
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class Order{
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public:
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  struct Order *next;
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  Item **item;          /* Point at item in select fields */
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  Item *item_ptr;       /* Storage for initial item */
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  Item **item_copy;     /* For SPs; the original item ptr */
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  int  counter;         /* position in SELECT list, correct
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                           only if counter_used is true*/
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  bool asc;             /* true if ascending */
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  bool free_me;         /* true if item isn't shared  */
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  bool in_field_list;   /* true if in select field list */
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  bool counter_used;    /* parameter was counter of columns */
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  Field  *field;        /* If tmp-table group */
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  char   *buff;         /* If tmp-table group */
 
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/* Order clause list element */
 
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struct order_st {
 
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  struct order_st *next;
 
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  Item   **item;                        /* Point at item in select fields */
 
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  Item   *item_ptr;                     /* Storage for initial item */
 
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  Item   **item_copy;                   /* For SPs; the original item ptr */
 
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  int    counter;                       /* position in SELECT list, correct
 
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                                           only if counter_used is true*/
 
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  bool   asc;                           /* true if ascending */
 
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  bool   free_me;                       /* true if item isn't shared  */
 
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  bool   in_field_list;                 /* true if in select field list */
 
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  bool   counter_used;                  /* parameter was counter of columns */
 
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  Field  *field;                        /* If tmp-table group */
 
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  char   *buff;                         /* If tmp-table group */
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  table_map used, depend_map;
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  Order():
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    next(NULL),
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    item(NULL),
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    item_ptr(NULL),
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    item_copy(NULL),
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    counter(0),
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    asc(false),
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    free_me(false),
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    in_field_list(false),
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    counter_used(false),
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    field(NULL),
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    buff(NULL),
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    used(0),
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    depend_map(0)
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  {}
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};
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} /* namespace drizzled */
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#endif /* DRIZZLED_ORDER_H */