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drizzled/dtcollation.h
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#ifndef DRIZZLED_DTCOLLATION_H
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#define DRIZZLED_DTCOLLATION_H
 
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#pragma once
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#include <drizzled/definitions.h>
 
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#include <drizzled/visibility.h>
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namespace drizzled
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{
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class Item;
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typedef struct charset_info_st CHARSET_INFO;
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class DTCollation {
 
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struct charset_info_st;
 
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class DRIZZLED_API DTCollation
 
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{
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public:
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  const CHARSET_INFO *collation;
 
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  const charset_info_st *collation;
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  enum Derivation derivation;
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  DTCollation();
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  DTCollation(const CHARSET_INFO * const collation_arg,
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              Derivation derivation_arg);
 
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  DRIZZLED_LOCAL DTCollation();
 
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  DRIZZLED_LOCAL DTCollation(const charset_info_st * const collation_arg,
 
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                             Derivation derivation_arg);
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  void set(DTCollation &dt);
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  void set(const CHARSET_INFO * const collation_arg,
 
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  void set(const charset_info_st * const collation_arg,
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           Derivation derivation_arg);
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  void set(const CHARSET_INFO * const collation_arg);
 
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  void set(const charset_info_st * const collation_arg);
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  void set(Derivation derivation_arg);
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  bool set(DTCollation &dt1, DTCollation &dt2, uint32_t flags= 0);
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  @endcode
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*/
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  bool aggregate(DTCollation &dt, uint32_t flags= 0);
 
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  DRIZZLED_LOCAL bool aggregate(DTCollation &dt, uint32_t flags= 0);
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  const char *derivation_name() const;
 
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  DRIZZLED_LOCAL const char *derivation_name() const;
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};
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} /* namespace drizzled */
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#endif /* DRIZZLED_DTCOLLATION_H */