DbiStatement.h

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#ifndef DBISTATEMENT
#define DBISTATEMENT



#include <list>

#include "TList.h"
#include "TString.h"
#include "TSQLStatement.h"

#include "DatabaseInterface/Dbi.h"
#include "DatabaseInterface/DbiExceptionLog.h"
#include "DatabaseInterface/DbiConnection.h"

class DbiException;

class DbiStatement
{

public:

// Constructors and destructors.
           DbiStatement(DbiConnection& conDb);
  virtual ~DbiStatement();

// State testing member functions

 Dbi::DbTypes GetDBType() const { return fDbType; } 

// Exception log handling.

  Bool_t PrintExceptions(Int_t level = 3) const;

  const DbiExceptionLog& GetExceptionLog() const { return fExceptionLog; }

// State changing member functions

  std::list<TString> TestTranslateSQL(const TString& sql, Dbi::DbTypes type);

// Database I/O

  TSQLStatement* ExecuteQuery(const TString& sql="");

  Bool_t ExecuteUpdate( const TString& sql="");

private:  

  void AppendExceptionLog(DbiException* e)  { if ( e ) fExceptionLog.AddEntry(*e); }
  void AppendExceptionLog(TSQLStatement* s) { if ( s ) fExceptionLog.AddEntry(*s); }
  void AppendExceptionLog(DbiConnection& c) {          fExceptionLog.AddLog(c.GetExceptionLog()); }
  void ClearExceptionLog()                  { fExceptionLog.Clear(); }

  TSQLStatement* CreateProcessedStatement(const TString& sql="");
std::list<TString> TranslateSQL(const TString& sql);

// Data members

  DbiConnection& fConDb;

  Dbi::DbTypes fDbType;

  DbiExceptionLog fExceptionLog;
 
 ClassDef(DbiStatement,0)     // Managed TSQL_Statement

};


#endif // DBISTATEMENT

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