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Viewing changes to drizzled/field/fstring.h

  • Committer: Stewart Smith
  • Date: 2008-09-15 07:13:59 UTC
  • mfrom: (383.1.21 drizzle)
  • mto: This revision was merged to the branch mainline in revision 408.
  • Revision ID: stewart@flamingspork.com-20080915071359-f8bznznyaiqrtqxa
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drizzled/field/fstring.h
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#ifndef DRIZZLE_SERVER_FIELD_STRING
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#define DRIZZLE_SERVER_FIELD_STRING
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#include <drizzled/mysql_priv.h>
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class Field_string :public Field_longstr {
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public:
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  bool can_alter_field_type;
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  Field_string(uchar *ptr_arg, uint32_t len_arg,uchar *null_ptr_arg,
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               uchar null_bit_arg,
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               enum utype unireg_check_arg, const char *field_name_arg,
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               CHARSET_INFO *cs)
 
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               const CHARSET_INFO * const cs)
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    :Field_longstr(ptr_arg, len_arg, null_ptr_arg, null_bit_arg,
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                   unireg_check_arg, field_name_arg, cs),
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     can_alter_field_type(1) {};
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  Field_string(uint32_t len_arg,bool maybe_null_arg, const char *field_name_arg,
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               CHARSET_INFO *cs)
 
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               const CHARSET_INFO * const cs)
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    :Field_longstr((uchar*) 0, len_arg, maybe_null_arg ? (uchar*) "": 0, 0,
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                   NONE, field_name_arg, cs),
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     can_alter_field_type(1) {};
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                          (has_charset() ? ' ' : 0));
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    return 0;
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  }
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  int store(const char *to,uint length,CHARSET_INFO *charset);
 
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  int store(const char *to,uint length, const CHARSET_INFO * const charset);
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  int store(int64_t nr, bool unsigned_val);
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  int store(double nr) { return Field_str::store(nr); } /* QQ: To be deleted */
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  double val_real(void);
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  { return (field_metadata & 0x00ff); }
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  uint row_pack_length() { return (field_length + 1); }
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  int pack_cmp(const uchar *a,const uchar *b,uint key_length,
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               my_bool insert_or_update);
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  int pack_cmp(const uchar *b,uint key_length,my_bool insert_or_update);
 
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               bool insert_or_update);
 
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  int pack_cmp(const uchar *b,uint key_length,bool insert_or_update);
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  uint packed_col_length(const uchar *to, uint length);
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  uint max_packed_col_length(uint max_length);
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  uint size_of() const { return sizeof(*this); }
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  enum_field_types real_type() const { return DRIZZLE_TYPE_VARCHAR; }
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  bool has_charset(void) const
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  { return charset() == &my_charset_bin ? false : true; }
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  Field *new_field(MEM_ROOT *root, struct st_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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  virtual uint get_key_image(uchar *buff,uint length, imagetype type);
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private:
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  int do_save_field_metadata(uchar *first_byte);