db::BlobField Class Reference
[Fields]
#include <ittia/dbxx/dbxx_field_ref.h>
Inheritance diagram for db::BlobField:
Detailed Description
A Field that contains a Binary Large OBject (BLOB) value.Public Member Functions | |
| BlobField (RowAccessor &cursor, const NameChar *field_name) | |
| BlobField (RowAccessor &cursor, int field) | |
| BlobField (const Field &o) | |
| const BlobField & | operator= (const Field &o) |
| db_len_t | size () |
| int | truncate (db_len_t) |
| db_len_t | read (db_len_t offset, void *buf, db_len_t len) |
| db_len_t | write (db_len_t offset, const void *buf, db_len_t len) |
| db_len_t | write_final (db_len_t offset, const void *buf, db_len_t len) |
| int | attach (const Field &) |
| int | attach (RowAccessor &, const NameChar *) |
| int | attach (RowAccessor &, int fieldno) |
| operator Value () | |
| operator const Value () const | |
| bool | is_valid () const |
| bool | is_null () const |
| void | set_null () |
| IntegerField | as_int () const |
| FloatField | as_float () const |
| CurrencyField | as_currency () const |
| StringField | as_string () const |
| WStringField | as_wstring () const |
| DateTimeField | as_datetime () const |
| BlobField | as_blob () const |
Protected Member Functions | |
| db_uint | get_type_mask () const |
| const Value | as_value () const |
| void | set_field (const Value &new_value) |
| int | fieldno () const |
Static Protected Member Functions | |
| static bool | valid_type (RowAccessor *, int field, db_uint type_mask) |
Protected Attributes | |
| int | field |
| RowAccessor * | row |