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Viewing changes to drizzled/function/time/last_day.h

  • Committer: Brian Aker
  • Date: 2009-02-18 19:27:32 UTC
  • mfrom: (873.1.17 temporal-new)
  • Revision ID: brian@tangent.org-20090218192732-ype4iscybtftjk2y
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drizzled/function/time/last_day.h
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#ifndef DRIZZLED_FUNCTION_TIME_LAST_DAY_H
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#define DRIZZLED_FUNCTION_TIME_LAST_DAY_H
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#include <drizzled/function/time/date.h>
 
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#include "drizzled/function/time/date.h"
 
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/* forward declarations */
 
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namespace drizzled {class Date;}
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class Item_func_last_day :public Item_date
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{
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public:
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  Item_func_last_day(Item *a) :Item_date(a) {}
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  const char *func_name() const { return "last_day"; }
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  bool get_date(DRIZZLE_TIME *res, uint32_t fuzzy_date);
 
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  /**
 
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   * All functions which inherit from Item_date must implement
 
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   * their own get_temporal() method, which takes a supplied
 
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   * drizzled::Date reference and populates it with a correct
 
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   * date based on the semantics of the function.
 
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   *
 
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   * For LAST_DATE(), we interpret the function's argument
 
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   * as a DateTime string and then figure out the last day of the
 
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   * month of that date, and populate our reference accordingly.
 
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   *
 
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   * Returns whether the function was able to correctly fill
 
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   * the supplied date temporal with a proper date.
 
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   *
 
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   * For a NULL parameter, we return false and set null_value
 
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   * to true.
 
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   *
 
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   * @param Reference to a drizzled::Date to populate
 
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   */
 
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  bool get_temporal(drizzled::Date &temporal);
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};
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#endif /* DRIZZLED_FUNCTION_TIME_LAST_DAY_H */