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class Field_blob :public Field_longstr {
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String value; // For temporaries
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Field_blob(unsigned char *ptr_arg, unsigned char *null_ptr_arg, unsigned char null_bit_arg,
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enum utype unireg_check_arg, const char *field_name_arg,
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TABLE_SHARE *share, uint blob_pack_length, const CHARSET_INFO * const cs);
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TABLE_SHARE *share, uint32_t blob_pack_length, const CHARSET_INFO * const cs);
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Field_blob(uint32_t len_arg,bool maybe_null_arg, const char *field_name_arg,
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const CHARSET_INFO * const cs)
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:Field_longstr((unsigned char*) 0, len_arg, maybe_null_arg ? (unsigned char*) "": 0, 0,
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enum_field_types type() const { return DRIZZLE_TYPE_BLOB;}
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enum ha_base_keytype key_type() const
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{ return binary() ? HA_KEYTYPE_VARBINARY2 : HA_KEYTYPE_VARTEXT2; }
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int store(const char *to,uint length, const CHARSET_INFO * const charset);
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int store(const char *to,uint32_t length, const CHARSET_INFO * const charset);
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int store(double nr);
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int store(int64_t nr, bool unsigned_val);
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double val_real(void);
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int cmp(const unsigned char *a, uint32_t a_length, const unsigned char *b, uint32_t b_length);
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int cmp_binary(const unsigned char *a,const unsigned char *b, uint32_t max_length=UINT32_MAX);
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int key_cmp(const unsigned char *,const unsigned char*);
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int key_cmp(const unsigned char *str, uint length);
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int key_cmp(const unsigned char *str, uint32_t length);
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uint32_t key_length() const { return 0; }
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void sort_string(unsigned char *buff,uint length);
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void sort_string(unsigned char *buff,uint32_t length);
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uint32_t pack_length() const
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{ return (uint32_t) (packlength+table->s->blob_ptr_size); }
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#ifndef WORDS_BIGENDIAN
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void store_length(unsigned char *i_ptr, uint i_packlength, uint32_t i_number, bool low_byte_first);
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void store_length(unsigned char *i_ptr, uint i_packlength, uint32_t i_number)
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void store_length(unsigned char *i_ptr, uint32_t i_packlength, uint32_t i_number, bool low_byte_first);
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void store_length(unsigned char *i_ptr, uint32_t i_packlength, uint32_t i_number)
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store_length(i_ptr, i_packlength, i_number, table->s->db_low_byte_first);
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uint32_t get_packed_size(const unsigned char *ptr_arg, bool low_byte_first)
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{return packlength + get_length(ptr_arg, packlength, low_byte_first);}
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inline uint32_t get_length(uint row_offset= 0)
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inline uint32_t get_length(uint32_t row_offset= 0)
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{ return get_length(ptr+row_offset, this->packlength, table->s->db_low_byte_first); }
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uint32_t get_length(const unsigned char *ptr, uint packlength, bool low_byte_first);
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uint32_t get_length(const unsigned char *ptr, uint32_t packlength, bool low_byte_first);
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uint32_t get_length(const unsigned char *ptr_arg)
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{ return get_length(ptr_arg, this->packlength, table->s->db_low_byte_first); }
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void put_length(unsigned char *pos, uint32_t length);
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set_ptr_offset(0, length, data);
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uint get_key_image(unsigned char *buff,uint length, imagetype type);
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void set_key_image(const unsigned char *buff,uint length);
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uint32_t get_key_image(unsigned char *buff,uint32_t length, imagetype type);
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void set_key_image(const unsigned char *buff,uint32_t length);
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void sql_type(String &str) const;
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inline bool copy()
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virtual unsigned char *pack(unsigned char *to, const unsigned char *from,
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uint max_length, bool low_byte_first);
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uint32_t max_length, bool low_byte_first);
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unsigned char *pack_key(unsigned char *to, const unsigned char *from,
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uint max_length, bool low_byte_first);
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uint32_t max_length, bool low_byte_first);
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unsigned char *pack_key_from_key_image(unsigned char* to, const unsigned char *from,
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uint max_length, bool low_byte_first);
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uint32_t max_length, bool low_byte_first);
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virtual const unsigned char *unpack(unsigned char *to, const unsigned char *from,
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uint param_data, bool low_byte_first);
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uint32_t param_data, bool low_byte_first);
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const unsigned char *unpack_key(unsigned char* to, const unsigned char *from,
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uint max_length, bool low_byte_first);
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int pack_cmp(const unsigned char *a, const unsigned char *b, uint key_length,
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uint32_t max_length, bool low_byte_first);
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int pack_cmp(const unsigned char *a, const unsigned char *b, uint32_t key_length,
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bool insert_or_update);
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int pack_cmp(const unsigned char *b, uint key_length,bool insert_or_update);
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uint packed_col_length(const unsigned char *col_ptr, uint length);
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uint max_packed_col_length(uint max_length);
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int pack_cmp(const unsigned char *b, uint32_t key_length,bool insert_or_update);
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uint32_t packed_col_length(const unsigned char *col_ptr, uint32_t length);
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uint32_t max_packed_col_length(uint32_t max_length);
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void free() { value.free(); }
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inline void clear_temporary() { memset(&value, 0, sizeof(value)); }
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friend int field_conv(Field *to,Field *from);
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uint size_of() const { return sizeof(*this); }
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uint32_t size_of() const { return sizeof(*this); }
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bool has_charset(void) const
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{ return charset() == &my_charset_bin ? false : true; }
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uint32_t max_display_length();
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uint is_equal(Create_field *new_field);
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uint32_t is_equal(Create_field *new_field);
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inline bool in_read_set() { return bitmap_is_set(table->read_set, field_index); }
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inline bool in_write_set() { return bitmap_is_set(table->write_set, field_index); }