diff options
| author | randomdan <randomdan@localhost> | 2010-08-05 23:48:05 +0000 |
|---|---|---|
| committer | randomdan <randomdan@localhost> | 2010-08-05 23:48:05 +0000 |
| commit | fd27b85b004ad13c4139d84a287fd3f3ef444c4b (patch) | |
| tree | cd089ac1c4f2c93a2ee2911db07f49aa096a83f8 /libodbcpp/column.h | |
| parent | Fix behaviour of composing a string column (diff) | |
| download | libdbpp-odbc-fd27b85b004ad13c4139d84a287fd3f3ef444c4b.tar.bz2 libdbpp-odbc-fd27b85b004ad13c4139d84a287fd3f3ef444c4b.tar.xz libdbpp-odbc-fd27b85b004ad13c4139d84a287fd3f3ef444c4b.zip | |
Cache the result of default column compose
Use this cache now lots of things are const refs
Diffstat (limited to 'libodbcpp/column.h')
| -rw-r--r-- | libodbcpp/column.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libodbcpp/column.h b/libodbcpp/column.h index 3b3370f..67dd0c4 100644 --- a/libodbcpp/column.h +++ b/libodbcpp/column.h @@ -22,7 +22,7 @@ namespace ODBC { operator Glib::ustring () const; operator struct tm () const; virtual void rebind(Command *, unsigned int col) const = 0; - virtual Glib::ustring compose() const = 0; + virtual const Glib::ustring & compose() const = 0; virtual Glib::ustring compose(const Glib::ustring & fmt) const = 0; virtual int writeToBuf(char ** buf) const = 0; virtual int writeToBuf(char ** buf, const char * fmt) const = 0; @@ -30,6 +30,8 @@ namespace ODBC { const unsigned int colNo; const Glib::ustring name; + protected: + mutable Glib::ustring * composeCache; private: SQLUINTEGER bindSize; // Allocated memory friend class SelectCommand; @@ -40,7 +42,7 @@ namespace ODBC { _Column(const Glib::ustring &, unsigned int); ~_Column() {} void rebind(Command *, unsigned int col) const; - Glib::ustring compose() const; + const Glib::ustring & compose() const; Glib::ustring compose(const Glib::ustring & fmt) const; int writeToBuf(char ** buf) const; int writeToBuf(char ** buf, const char * fmt) const; |