[BACK]Return to pa_sql_driver.h CVS log [TXT] [DIR] Up to [parser3project] / parser3 / src / sql

Diff for /parser3/src/sql/pa_sql_driver.h between versions 1.34.2.1 and 1.34.2.4.2.1

version 1.34.2.1, 2003/01/27 17:17:07 version 1.34.2.4.2.1, 2003/03/20 08:11:15
Line 1 Line 1
 /** @file  /** @file
         Parser: sql driver interface.          Parser: sql driver interface.
   
         Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com)          Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
         Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)          Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
   
   
         driver dynamic library must look like this:          driver dynamic library must look like this:
         @code          @code
                 class X_SQL_Driver : public SQL_Driver {                  class X_SQL_Driver: public SQL_Driver {
                 public:                  public:
   
                         X_SQL_Driver() : SQL_driver() {}                          X_SQL_Driver() : SQL_driver() {}
Line 37  static const char* IDENT_SQL_DRIVER_H="$ Line 37  static const char* IDENT_SQL_DRIVER_H="$
 /// fields are freed elsewhere  /// fields are freed elsewhere
 class SQL_Error {  class SQL_Error {
         bool fdefined;          bool fdefined;
         const char *ftype;          const char* ftype;
         const char *fcomment;          const char* fcomment;
 public:  public:
         SQL_Error():          SQL_Error():
                 fdefined(false) {}                  fdefined(false) {}
         SQL_Error(          SQL_Error(
                 const char *atype,                  const char* atype,
                 const char *acomment):                  const char* acomment):
                 fdefined(true),                  fdefined(true),
                 ftype(atype),                  ftype(atype),
                 fcomment(acomment) {}                  fcomment(acomment) {}
         SQL_Error(const char *acomment):          SQL_Error(const char* acomment):
                 fdefined(true),                  fdefined(true),
                 ftype(0),                  ftype(0),
                 fcomment(acomment) {}                  fcomment(acomment) {}
Line 60  public: Line 60  public:
         }          }
   
         bool defined() const { return fdefined; }          bool defined() const { return fdefined; }
         const char *type() const { return ftype; }          const char* type() const { return ftype; }
         const char *comment() const { return fcomment; }          const char* comment() const { return fcomment; }
 };  };
   
 /// service functions for SQL driver to use  /// service functions for SQL driver to use
Line 78  public: Line 78  public:
         /// throw C++ exception from prepared          /// throw C++ exception from prepared
         virtual void propagate_exception() =0;          virtual void propagate_exception() =0;
         /// helper func          /// helper func
         void _throw(const char *comment) { _throw(SQL_Error("sql.connect", comment)); }          void _throw(const char* comment) { _throw(SQL_Error("sql.connect", comment)); }
 public:  public:
         /// regretrully public, because can't make stack frames: "nowhere to return to"          /// regretrully public, because can't make stack frames: "nowhere to return to"
         jmp_buf mark;          jmp_buf mark;
Line 101  public: Line 101  public:
 class SQL_Driver {  class SQL_Driver {
 public:  public:
   
           /** allocated using our allocator,
                   @todo never freed
           */
           static void *operator new(size_t size) { 
                   void *result=::malloc(size);
                   if(!result)
                           abort();
   
                   return result;
           }
         /// get api version          /// get api version
         virtual int api_version() =0;          virtual int api_version() =0;
         /// initialize driver by loading sql dynamic link library          /// initialize driver by loading sql dynamic link library
         virtual const char *initialize(char *dlopen_file_spec) =0;          virtual const char* initialize(char *dlopen_file_spec) =0;
         /**     connect to sql database using           /**     connect to sql database using 
                 @param used_only_to_connect_url                   @param used_only_to_connect_url 
                         format is driver specific                          format is driver specific
Line 122  public: Line 132  public:
         /// @returns true to indicate that connection still alive           /// @returns true to indicate that connection still alive 
         virtual bool ping(          virtual bool ping(
                 SQL_Driver_services& services, void *connection) =0;                  SQL_Driver_services& services, void *connection) =0;
           struct Quote_result {
                   char *s;
                   size_t size;
           };
         /// encodes the string in 'from' to an escaped SQL string          /// encodes the string in 'from' to an escaped SQL string
         virtual unsigned int quote(          virtual Quote_result quote(
                 SQL_Driver_services& services, void *connection,                  SQL_Driver_services& services, void *connection,
                 char *to, const char *from, unsigned int length) =0;                  const char* from, unsigned int length) =0;
         virtual void query(          virtual void query(
                 SQL_Driver_services& services, void *connection,                  SQL_Driver_services& services, void *connection,
                 const char *statement, unsigned long offset, unsigned long limit,                  const char* statement, unsigned long offset, unsigned long limit,
                 SQL_Driver_query_event_handlers& handlers) =0;                  SQL_Driver_query_event_handlers& handlers) =0;
 };  };
   
Removed from v.1.34.2.1  
changed lines
  Added in v.1.34.2.4.2.1

E-mail: