diff options
Diffstat (limited to 'libodbcpp/column.h')
| -rw-r--r-- | libodbcpp/column.h | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/libodbcpp/column.h b/libodbcpp/column.h index 1ea4091..86d4507 100644 --- a/libodbcpp/column.h +++ b/libodbcpp/column.h @@ -8,6 +8,14 @@ namespace ODBC { class SelectCommand; + class HandleField { + public: + virtual void null() = 0; + virtual void string(const std::vector<char> &) = 0; + virtual void integer(SQLINTEGER) = 0; + virtual void floatingpoint(SQLDOUBLE) = 0; + virtual void timestamp(const SQL_TIMESTAMP_STRUCT &) = 0; + }; class Column : public virtual Bind { public: Column(SelectCommand *, const Glib::ustring &, unsigned int); @@ -34,18 +42,14 @@ namespace ODBC { virtual operator struct tm () const { throw std::bad_cast(); } virtual operator SQL_TIMESTAMP_STRUCT () const { throw std::bad_cast(); } - 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; bool isNull() const; + virtual void apply(HandleField &) const = 0; const unsigned int colNo; const Glib::ustring name; const SelectCommand * selectCmd; protected: virtual const Param * meAsAParam() const = 0; - mutable Glib::ustring * composeCache; }; class CharArrayColumn : public Column, public Param { public: @@ -63,12 +67,9 @@ namespace ODBC { virtual void * rwDataAddress() { return &data.front(); } void operator=(const Glib::ustring & d); void resize(SQLHANDLE); - virtual const Glib::ustring & compose() const; - virtual Glib::ustring compose(const Glib::ustring & fmt) const; - virtual int writeToBuf(char ** buf) const; - virtual int writeToBuf(char ** buf, const char * fmt) const; virtual operator std::string () const { return std::string(&data.front(), bindLen); } virtual operator Glib::ustring () const { return std::string(&data.front(), bindLen); } + virtual void apply(HandleField &) const; protected: virtual const Param * meAsAParam() const { return this; } CharArray data; @@ -80,24 +81,17 @@ namespace ODBC { virtual SQLSMALLINT ctype() const { return SignedIntegerParam::ctype(); } virtual SQLULEN size() const { return SignedIntegerParam::size(); } virtual void * rwDataAddress() { return &data; } - virtual const Glib::ustring & compose() const; - virtual Glib::ustring compose(const Glib::ustring & fmt) const; - virtual int writeToBuf(char ** buf) const; - virtual int writeToBuf(char ** buf, const char * fmt) const; virtual operator int () const { return data; } virtual operator long () const { return data; } virtual operator long long () const { return data; } virtual const Param * meAsAParam() const { return this; } + virtual void apply(HandleField &) const; }; #ifdef COMPLETENESS class UnsignedIntegerColumn : public Column, public UnsignedIntegerParam { public: UnsignedIntegerColumn(SelectCommand * sc, const Glib::ustring & n, unsigned int i) : Column(sc, n, i) { } - virtual const Glib::ustring & compose() const; - virtual Glib::ustring compose(const Glib::ustring & fmt) const; - virtual int writeToBuf(char ** buf) const; - virtual int writeToBuf(char ** buf, const char * fmt) const; virtual const Param * meAsAParam() const { return this; } }; #endif @@ -108,13 +102,10 @@ namespace ODBC { virtual SQLSMALLINT ctype() const { return FloatingPointParam::ctype(); } virtual SQLULEN size() const { return FloatingPointParam::size(); } virtual void * rwDataAddress() { return &data; } - virtual const Glib::ustring & compose() const; - virtual Glib::ustring compose(const Glib::ustring & fmt) const; - virtual int writeToBuf(char ** buf) const; - virtual int writeToBuf(char ** buf, const char * fmt) const; virtual operator double () const { return data; } virtual operator float () const { return data; } virtual const Param * meAsAParam() const { return this; } + virtual void apply(HandleField &) const; }; class TimeStampColumn : public Column, public TimeStampParam { public: @@ -123,13 +114,10 @@ namespace ODBC { virtual SQLSMALLINT ctype() const { return TimeStampParam::ctype(); } virtual SQLULEN size() const { return TimeStampParam::size(); } virtual void * rwDataAddress() { return &data; } - virtual const Glib::ustring & compose() const; - virtual Glib::ustring compose(const Glib::ustring & fmt) const; - virtual int writeToBuf(char ** buf) const; - virtual int writeToBuf(char ** buf, const char * fmt) const; virtual operator struct tm () const; virtual operator SQL_TIMESTAMP_STRUCT () const { return data; } virtual const Param * meAsAParam() const { return this; } + virtual void apply(HandleField &) const; }; } |