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Viewing changes to drizzled/field/enum.h

  • Committer: Monty Taylor
  • Date: 2009-04-14 19:16:51 UTC
  • mto: (997.2.5 mordred)
  • mto: This revision was merged to the branch mainline in revision 994.
  • Revision ID: mordred@inaugust.com-20090414191651-ltbww6hpqks8k7qk
Clarified instructions in README.

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drizzled/field/enum.h
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#include "drizzled/field/str.h"
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namespace drizzled
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{
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class Field_enum :public Field_str 
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{
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protected:
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  /** Internal storage for the string values of the ENUM */
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  TYPELIB *typelib;
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  Field_enum(unsigned char *ptr_arg,
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             uint32_t len_arg,
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             unsigned char *null_ptr_arg,
 
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  Field_enum(unsigned char *ptr_arg, uint32_t len_arg, unsigned char *null_ptr_arg,
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             unsigned char null_bit_arg,
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             const char *field_name_arg,
 
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             enum utype unireg_check_arg, const char *field_name_arg,
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             uint32_t packlength_arg,
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             TYPELIB *typelib_arg,
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             const CHARSET_INFO * const charset_arg)
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    :Field_str(ptr_arg,
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               len_arg,
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               null_ptr_arg,
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               null_bit_arg,
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                     field_name_arg,
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               charset_arg),
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    packlength(packlength_arg),
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    typelib(typelib_arg)
 
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    :Field_str(ptr_arg, len_arg, null_ptr_arg, null_bit_arg,
 
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               unireg_check_arg, field_name_arg, charset_arg),
 
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    packlength(packlength_arg),typelib(typelib_arg)
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  {
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    flags|= ENUM_FLAG;
 
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      flags|=ENUM_FLAG;
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  }
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  Field *new_field(memory::Root *root, Table *new_table, bool keep_type);
 
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  Field *new_field(MEM_ROOT *root, Table *new_table, bool keep_type);
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  enum ha_base_keytype key_type() const;
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  int  store(const char *to, uint32_t length, const CHARSET_INFO * const);
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  int  store(double nr);
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  {
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    return (field_metadata & 0x00ff);
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  }
 
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  uint32_t row_pack_length()
 
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  { 
 
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    return pack_length();
 
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  }
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  virtual bool zero_pack() const
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  {
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    return false;
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  }
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  /* enum and set are sorted as integers */
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  const CHARSET_INFO *sort_charset(void) const { return &my_charset_bin; }
 
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private:
 
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  int do_save_field_metadata(unsigned char *first_byte);
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};
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} /* namespace drizzled */
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#endif /* DRIZZLED_FIELD_ENUM_H */