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DbiResultSet Class Reference

Concept Input stream with type checking. Purpose This is an interface to TSQLResultSet. Its primary purpose is to provide an >> operator with built-type checking to simplify the writing of DbiTableRow subclasses. More...

#include <DbiResultSet.h>

Inheritance diagram for DbiResultSet:

DbiRowStream List of all members.

Public Member Functions

 DbiResultSet (DbiStatement *stmtDb, const DbiString &sql, const DbiTableMetaData *metaData, const DbiTableProxy *tableProxy, UInt_t dbNo, const string &fillOpts="")
virtual ~DbiResultSet ()
Bool_t CurColExists () const
string CurColString () const
string CurColValue () const
UInt_t CurRowNum () const
UInt_t GetDbNo () const
Dbi::DbTypes GetDBType () const
string GetFillOpts () const
const DbiTableProxy * GetTableProxy () const
Bool_t IsBeforeFirst () const
Bool_t IsExhausted () const
void RowAsCsv (string &row) const
DbiResultSet & operator>> (Bool_t &dest)
DbiResultSet & operator>> (Char_t &dest)
DbiResultSet & operator>> (Short_t &dest)
DbiResultSet & operator>> (UShort_t &dest)
DbiResultSet & operator>> (Int_t &dest)
DbiResultSet & operator>> (UInt_t &dest)
DbiResultSet & operator>> (Long_t &dest)
DbiResultSet & operator>> (ULong_t &dest)
DbiResultSet & operator>> (Float_t &dest)
DbiResultSet & operator>> (Double_t &dest)
DbiResultSet & operator>> (string &dest)
DbiResultSet & operator>> (VldTimeStamp &dest)
Bool_t FetchRow ()

Private Member Functions

string & AsString (Dbi::DataTypes type)
Bool_t LoadCurValue () const
TString GetStringFromTSQL (Int_t col) const

Private Attributes

Int_t fCurRow
 Current row in query (0...).
UInt_t fDbNo
 Cascade no. of source.
Dbi::DbTypes fDbType
 Type of database fDbNo.
DbiStatement * fStatement
TSQLStatement * fTSQLStatement
 Pointer to owned statement, may be 0.
Bool_t fExhausted
 True is result set missing or exhausted.
const DbiTableProxy * fTableProxy
 DbiTableProxy that produced this set.
string fValString
 Buffer for assembling value.
string fFillOpts
 Optional fill options.

Detailed Description

Concept Input stream with type checking. Purpose This is an interface to TSQLResultSet. Its primary purpose is to provide an >> operator with built-type checking to simplify the writing of DbiTableRow subclasses.

Id
DbiResultSet.h,v 1.23 2007/04/26 14:19:57 west Exp

DatabaseInterface

Contact: n.west1@physics.ox.ac.uk

Definition at line 45 of file DbiResultSet.h.

Constructor & Destructor Documentation

DbiResultSet::DbiResultSet (  DbiStatement *  stmtDb,
const DbiString &  sql,
const DbiTableMetaData *  metaData,
const DbiTableProxy *  tableProxy,
UInt_t  dbNo,
const string &  fillOpts = ""
) 
 

Definition at line 34 of file DbiResultSet.cxx.

References LEA_CTOR, and MSG.

00039                                                    :
00040 DbiRowStream(metaData),
00041 fCurRow(0),
00042 fDbNo(dbNo),
00043 fDbType(Dbi::kMySQL),
00044 fStatement(stmtDb),
00045 fTSQLStatement(0),
00046 fExhausted(true),
00047 fTableProxy(tableProxy),
00048 fFillOpts(fillOpts)
00049 {
00050 //
00051 //
00052 //  Purpose:  Default constructor
00053 //
00054 //  Arguments:
00055 //     stmtDb     in  DbiStatement to be used for query.  May be zero.
00056 //     sql        in  The query to be applied to the statement.
00057 //     metaData   in  Meta data for query.
00058 //     tableProxy in  Source DbiTableProxy.
00059 //     dbNo       in  Cascade no. of source.
00060 //
00061 //  Return:    n/a
00062 //
00063 //  Contact:   N. West
00064 //
00065 //  Specification:-
00066 //  =============
00067 //
00068 //  o  Create ResultSet for query.
00069 
00070 
00071 //  Program Notes:-
00072 //  =============
00073 
00074 //  None.
00075 
00076   LEA_CTOR    //Leak Checker
00077 
00078   MSG("Dbi", Msg::kVerbose) << "Creating DbiResultSet" << endl;
00079 
00080   if ( stmtDb ) { 
00081     fDbType = stmtDb->GetDBType();
00082     fTSQLStatement = stmtDb->ExecuteQuery(sql.c_str());
00083     if ( fTSQLStatement && fTSQLStatement->NextResultRow() ) fExhausted = false;
00084     stmtDb->PrintExceptions(Msg::kDebug);
00085   }
00086   
00087 }

DbiResultSet::~DbiResultSet (   )  [virtual]
 

Definition at line 92 of file DbiResultSet.cxx.

References fStatement, fTSQLStatement, LEA_DTOR, and MSG.

00092                             {
00093 //
00094 //
00095 //  Purpose: Destructor
00096 //
00097 //  Arguments: 
00098 //    None.
00099 //
00100 //  Return:    n/a
00101 //
00102 //  Contact:   N. West
00103 //
00104 //  Specification:-
00105 //  =============
00106 //
00107 //  o  Destroy ResultSet and owned DbiStatement if any.
00108 
00109 
00110 //  Program Notes:-
00111 //  =============
00112 
00113 //  None.
00114 
00115   LEA_DTOR    //Leak Checker
00116 
00117   MSG("Dbi", Msg::kVerbose) << "Destroying DbiResultSet" << endl;
00118   delete fTSQLStatement;
00119   fTSQLStatement = 0;
00120   delete fStatement;
00121   fStatement = 0;
00122 
00123 }

Member Function Documentation

string & DbiResultSet::AsString (  Dbi::DataTypes  type  )  [private]
 

Definition at line 198 of file DbiResultSet.cxx.

References DbiFieldType::AsString(), DbiTableMetaData::ColFieldType(), DbiTableMetaData::ColName(), DbiRowStream::CurColNum(), fCurRow, fValString, DbiFieldType::GetConcept(), DbiRowStream::IncrementCurCol(), DbiFieldType::IsCompatible(), DbiFieldType::IsSmaller(), LoadCurValue(), MAXMSG, DbiRowStream::MetaData(), DbiRowStream::TableNameTc(), and DbiFieldType::UndefinedValue().

Referenced by operator>>().

00198                                                 {
00199 //
00200 //
00201 //  Purpose: Return current column value as a modifiable string and 
00202 //           move on. 
00203 //
00204 //  Arguments: 
00205 //    type         in    Required data type (as defined in Dbi.h).
00206 //
00207 //  Return:   Current column value as a string (null if missing) 
00208 //            Note: Caller must dispose of value before calling
00209 //                  this member function again as the value is
00210 //                  assembled into fValString.
00211 //
00212 //  Contact:   N. West
00213 //
00214 //  Specification:-
00215 //  =============
00216 //
00217 // o Return the datum at current (row,column) as a string and
00218 //   increment column number.
00219 //
00220 // o Check for compatibility between required data type and table
00221 //   data type, report problems and return default if incompatible.
00222 
00223 //  Program Notes:-
00224 //  =============
00225 
00226 //  None.
00227 
00228   DbiFieldType  reqdt(type);
00229 
00230 //  Place table value string in value string buffer.
00231 
00232   Bool_t fail = ! LoadCurValue();
00233 // Internally columns number from zero.
00234   UInt_t col = CurColNum();
00235   IncrementCurCol();
00236 
00237   if ( fail ) {
00238     string udef = reqdt.UndefinedValue();
00239     MAXMSG("Dbi",Msg::kError,20) 
00240        << "... value \"" << udef
00241        << "\" will be substitued." <<  endl;
00242     fValString = udef;
00243     return fValString;
00244   }
00245  
00246 //  Check for compatibility with required data type.
00247 
00248   const DbiFieldType& actdt = MetaData()->ColFieldType(col);
00249 
00250   if ( reqdt.IsCompatible(actdt) ) {
00251     Bool_t smaller = reqdt.IsSmaller(actdt);
00252 //  Allow one character String to be stored in Char
00253     if ( reqdt.GetConcept() == Dbi::kChar && fValString.size() == 1 
00254        ) smaller = kFALSE;
00255     if ( smaller  ) {
00256        MAXMSG("Dbi",Msg::kWarning,20) 
00257           << "In table " << TableNameTc() 
00258           << " row " << fCurRow 
00259           << " column "<< col 
00260           << " (" << MetaData()->ColName(col) << ")"
00261           << " value \"" << fValString
00262           << "\" of type " << actdt.AsString()
00263           << " may be truncated before storing in " << reqdt.AsString()
00264           <<  endl;
00265     }
00266   }
00267   else {
00268     string udef = reqdt.UndefinedValue();
00269     MAXMSG("Dbi",Msg::kError,20) 
00270         << "In table " << TableNameTc() 
00271          << " row " << fCurRow
00272         << " column "<< col 
00273         << " (" << MetaData()->ColName(col) << ")"
00274         << " value \"" << fValString
00275         << "\" of type " << actdt.AsString()
00276         << " is incompatible with user type " << reqdt.AsString()
00277         << ", value \"" << udef
00278         << "\" will be substituted." <<  endl;
00279     fValString = udef;
00280   }
00281 
00282   return fValString;
00283 }

Bool_t DbiResultSet::CurColExists (   )  const
 

Definition at line 288 of file DbiResultSet.cxx.

References DbiRowStream::CurColNum(), fCurRow, IsExhausted(), MAXMSG, DbiRowStream::NumCols(), and DbiRowStream::TableNameTc().

Referenced by CurColString(), and LoadCurValue().

00288                                         {
00289 //
00290 //
00291 //  Purpose:  Test if current column exists.
00292 //
00293 //  Arguments: None.
00294 //
00295 //  Return:    kTRUE if column exists.
00296 //
00297 //  Contact:   N. West
00298 //
00299 //  Specification:-
00300 //  =============
00301 //
00302 //  o  Test if current column exists.
00303 
00304 //  Program Notes:-
00305 //  =============
00306 
00307 //  None.
00308 
00309   Int_t col = CurColNum();
00310 
00311   if ( IsExhausted() ) {
00312     MAXMSG("Dbi",Msg::kError,20) 
00313       << "In table " << TableNameTc() 
00314       << " attempting to access row " << fCurRow  
00315       << " column " << col 
00316       << " but only " << fCurRow << " rows in table."  << endl;
00317     return kFALSE;
00318   }
00319 
00320   int numCols = NumCols();
00321   if ( col > numCols ) {
00322     MAXMSG("Dbi",Msg::kError,20) 
00323       << "In table " << TableNameTc() 
00324       << " row " << fCurRow 
00325       << " attempting to access column "<< col 
00326       << " but only " << NumCols() << " in table ."  << endl;
00327     return kFALSE;
00328   }
00329 
00330   return kTRUE;
00331 
00332 }

string DbiResultSet::CurColString (   )  const
 

Definition at line 335 of file DbiResultSet.cxx.

References CurColExists(), DbiRowStream::CurColNum(), and GetStringFromTSQL().

00335                                         {
00336 //
00337 //
00338 //  Purpose:  Return current column as a string.
00339 //
00340 //  Arguments: None.
00341 //
00342 //  Return:   Current column as a string (or null string if non-existant).
00343 //
00344 //  Contact:   N. West
00345 //
00346 //  Specification:-
00347 //  =============
00348 //
00349 //  o Return current column as a string.
00350 
00351 //  Program Notes:-
00352 //  =============
00353 
00354 //  None.
00355 
00356   if ( ! CurColExists() ) return "";
00357 
00358   TString valStr = this->GetStringFromTSQL(CurColNum());
00359   return valStr.Data();
00360 
00361 }

string DbiResultSet::CurColValue (   )  const [inline]
 

Definition at line 62 of file DbiResultSet.h.

References LoadCurValue().

Referenced by DbiConfigSet::Fill(), and DbiDBProxy::ReplaceSeqNoOracle().

00062 { LoadCurValue(); return fValString;}

UInt_t DbiResultSet::CurRowNum (   )  const [inline]
 

Definition at line 63 of file DbiResultSet.h.

Referenced by DbiValidityRec::Fill().

00063 { return fCurRow;}

Bool_t DbiResultSet::FetchRow (   ) 
 

Definition at line 365 of file DbiResultSet.cxx.

References DbiRowStream::ClearCurCol(), fExhausted, fTSQLStatement, and IsExhausted().

Referenced by DbiResultNonAgg::DbiResultNonAgg(), DbiSqlValPacket::DbiSqlValPacket(), and DbiDBProxy::ReplaceSeqNoOracle().

00365                               {
00366 
00367 //
00368 //
00369 //  Purpose: Fetch next row of result set.. 
00370 //
00371 //  Arguments: None.
00372 //
00373 //  Return:   kTRUE if row exists, kFALSE otherwise.
00374 //
00375 //  Contact:   N. West
00376 //
00377 //  Specification:-
00378 //  =============
00379 //
00380 //  o Load next row with string lengths.
00381 
00382 //  Program Notes:-
00383 //  =============
00384 
00385 //  None.
00386 
00387   ClearCurCol();
00388   if ( IsExhausted() ) return kFALSE;
00389   ++fCurRow;
00390   if ( ! fTSQLStatement->NextResultRow() ) fExhausted = true;
00391   return ! fExhausted;
00392 
00393 }

UInt_t DbiResultSet::GetDbNo (   )  const [inline]
 

Definition at line 64 of file DbiResultSet.h.

Referenced by DbiValidityRec::Fill().

00064 { return fDbNo; }

Dbi::DbTypes DbiResultSet::GetDBType (   )  const [inline]
 

Definition at line 65 of file DbiResultSet.h.

Referenced by GetStringFromTSQL().

00065 { return fDbType; }

string DbiResultSet::GetFillOpts (   )  const [inline]
 

Definition at line 66 of file DbiResultSet.h.

00066 { return fFillOpts;}

TString DbiResultSet::GetStringFromTSQL (  Int_t  col  )  const [private]
 

Definition at line 396 of file DbiResultSet.cxx.

References DbiRowStream::ColFieldType(), fTSQLStatement, DbiFieldType::GetConcept(), GetDBType(), and MSG.

Referenced by CurColString(), LoadCurValue(), and RowAsCsv().

00396                                                        {
00397 //
00398 //
00399 //  Purpose: Get string from underlying TSQL interface 
00400 //
00401 //  N.B.  No check that col is valid - caller beware. 
00402 //
00403 //  Specification:-
00404 //  =============
00405 //
00406 //  o Get string from underlying TSQL interface converting  supported 
00407 //    binary characters for ORACLE text fields (ORACLE doesn't convert 
00408 //    external representation to binary on input).
00409 //
00410 
00411 // Caution: Column numbering in TSQLStatement starts at 0.                    
00412   TString valStr = fTSQLStatement->GetString(col-1);
00413   if (    this->GetDBType() == Dbi::kOracle
00414        && this->ColFieldType(col).GetConcept() == Dbi::kString ) {
00415     MSG("Dbi",Msg::kDebug) << "ORACLE string conversion from: " << valStr << endl;
00416     valStr.ReplaceAll("\\n", "\n");
00417     valStr.ReplaceAll("\\t", "\t");
00418     valStr.ReplaceAll("\\\'","\'");
00419     valStr.ReplaceAll("\\\"","\"");
00420     valStr.ReplaceAll("\\\\","\\");
00421     MSG("Dbi",Msg::kDebug) << "                           to: " << valStr <<endl;
00422   }
00423   return valStr;
00424 }

const DbiTableProxy* DbiResultSet::GetTableProxy (   )  const [inline]
 

Definition at line 67 of file DbiResultSet.h.

Referenced by DbiValidityRec::Fill().

00067 { return fTableProxy; }

Bool_t DbiResultSet::IsBeforeFirst (   )  const [inline]
 

IsBeforeFirst not needed for ROOT API, but leave a dummy for now so as not to disturb DbiResultSet API.

Definition at line 70 of file DbiResultSet.h.

Referenced by DbiResultNonAgg::DbiResultNonAgg(), and DbiDBProxy::ReplaceSeqNoOracle().

00070 { return false; };

Bool_t DbiResultSet::IsExhausted (   )  const [inline]
 

Definition at line 71 of file DbiResultSet.h.

Referenced by CurColExists(), DbiResultAgg::DbiResultAgg(), DbiResultNonAgg::DbiResultNonAgg(), DbiSqlValPacket::DbiSqlValPacket(), FetchRow(), and DbiDBProxy::ReplaceSeqNoOracle().

00071 { return fExhausted; }

Bool_t DbiResultSet::LoadCurValue (   )  const [private]
 

Definition at line 428 of file DbiResultSet.cxx.

References CurColExists(), DbiRowStream::CurColFieldType(), DbiRowStream::CurColNum(), fTSQLStatement, fValString, DbiFieldType::GetConcept(), GetStringFromTSQL(), DbiFieldType::GetType(), and len.

Referenced by AsString(), and CurColValue().

00428                                        {
00429 //
00430 //
00431 //  Purpose:  Load current value into buffer fValString
00432 //
00433 //  Arguments: None.
00434 //
00435 //  Return:    kTRUE if current column in range, otherwise kFALSE.
00436 //
00437 //  Contact:   N. West
00438 //
00439 //  Specification:-
00440 //  =============
00441 //
00442 //  o Load current value into buffer fValString stripping off any
00443 //    enclosing quotes.
00444 
00445   
00446   fValString.clear();
00447 
00448   if ( ! CurColExists() ) return kFALSE;
00449 
00450   Int_t col = CurColNum();
00451   TString valStr = this->GetStringFromTSQL(col);
00452 
00453   // For floating point, use binary interface to preserve precision 
00454   // e.g.-1.234567890123457e-100 as string is -0.000000
00455   if ( CurColFieldType().GetConcept() == Dbi::kFloat ) {
00456     ostringstream out;
00457     out << setprecision(8);
00458     if ( CurColFieldType().GetType() == Dbi::kDouble )  out << setprecision(16);
00459 //  Caution: Column numbering in TSQLStatement starts at 0.                    
00460     out << fTSQLStatement->GetDouble(col-1);
00461     valStr = out.str().c_str();
00462   }
00463   int len = valStr.Length();
00464 
00465 
00466 
00467   const char* pVal = valStr.Data();
00468   // Remove leading and trailing quotes if dealing with a string.
00469   if (    len >= 2
00470        && ( *pVal == *(pVal+len-1) )  
00471        && ( *pVal == '\'' || *pVal == '"' ) ) {
00472     ++pVal;
00473     len -= 2;
00474   }
00475   fValString.assign(pVal,len);
00476 
00477   return kTRUE;
00478 
00479 }

DbiResultSet & DbiResultSet::operator>> (  VldTimeStamp &  dest  ) 
 

Definition at line 193 of file DbiResultSet.cxx.

References AsString(), and Dbi::MakeTimeStamp().

00193                                                         {
00194            dest=Dbi::MakeTimeStamp(AsString(Dbi::kDate)); return *this;}

DbiResultSet & DbiResultSet::operator>> (  string &  dest  ) 
 

Definition at line 191 of file DbiResultSet.cxx.

References AsString().

00191                                                    {
00192                           dest = AsString(Dbi::kString);  return *this;}

DbiResultSet & DbiResultSet::operator>> (  Double_t &  dest  ) 
 

Definition at line 186 of file DbiResultSet.cxx.

References IN2.

00186                                                      {
00187                                  IN2(Dbi::kDouble,GetDouble);return *this;}

DbiResultSet & DbiResultSet::operator>> (  Float_t &  dest  ) 
 

Definition at line 184 of file DbiResultSet.cxx.

References IN2.

00184                                                     {
00185                                  IN2(Dbi::kFloat,GetDouble);  return *this;}

DbiResultSet & DbiResultSet::operator>> (  ULong_t &  dest  ) 
 

Definition at line 182 of file DbiResultSet.cxx.

References IN3.

00182                                                     {
00183                                  IN3(Long_t);  return *this;}

DbiResultSet & DbiResultSet::operator>> (  Long_t &  dest  ) 
 

Definition at line 180 of file DbiResultSet.cxx.

References IN2.

00180                                                    {
00181                                  IN2(Dbi::kLong, GetLong);   return *this;}

DbiResultSet & DbiResultSet::operator>> (  UInt_t &  dest  ) 
 

Definition at line 178 of file DbiResultSet.cxx.

References IN3.

00178                                                    {
00179                                  IN3(Int_t);  return *this;}

DbiResultSet & DbiResultSet::operator>> (  Int_t &  dest  ) 
 

Definition at line 176 of file DbiResultSet.cxx.

References IN2.

00176                                                   {
00177                                  IN2(Dbi::kInt,GetInt);      return *this;}

DbiResultSet & DbiResultSet::operator>> (  UShort_t &  dest  ) 
 

Definition at line 174 of file DbiResultSet.cxx.

References IN3.

00174                                                      {
00175                                  IN3(Short_t); return *this;}

DbiResultSet & DbiResultSet::operator>> (  Short_t &  dest  ) 
 

Definition at line 172 of file DbiResultSet.cxx.

References IN2.

00172                                                     {
00173                                  IN2(Dbi::kInt,GetInt);    return *this;}

DbiResultSet & DbiResultSet::operator>> (  Char_t &  dest  ) 
 

Definition at line 170 of file DbiResultSet.cxx.

References IN.

00170                                                    {
00171                                  IN(Dbi::kChar) >> dest; return *this;}

DbiResultSet & DbiResultSet::operator>> (  Bool_t &  dest  ) 
 

Definition at line 168 of file DbiResultSet.cxx.

References IN.

00168                                                    {
00169                                  IN(Dbi::kBool) >> dest;  return *this;}

void DbiResultSet::RowAsCsv (  string &  row  )  const
 

Definition at line 482 of file DbiResultSet.cxx.

References DbiTableMetaData::ColFieldConcept(), DbiTableMetaData::ColFieldType(), DbiTableMetaData::ColMustDelimit(), fTSQLStatement, GetStringFromTSQL(), DbiFieldType::GetType(), UtilString::MakePrintable(), DbiRowStream::MetaData(), and DbiRowStream::NumCols().

Referenced by DbiSqlValPacket::DbiSqlValPacket().

00482                                              {
00483 //
00484 //
00485 //  Purpose:  Append row as a Comma Separated Values string.
00486 //
00487 //  Arguments: 
00488 //    row          in    String to append to.
00489 //
00490 
00491   const DbiTableMetaData* md = this->MetaData();
00492 
00493   Int_t maxCol = this->NumCols();
00494   for (Int_t col = 1; col <= maxCol; ++col) {
00495     // Deal with NULL values.  Caution: Column numbering in TSQLStatement starts at 0.
00496     if ( fTSQLStatement->IsNull(col-1) ) {
00497       row += "NULL";
00498       if ( col < maxCol ) row += ',';
00499       continue;
00500     }
00501     Bool_t mustDelimit  = md->ColMustDelimit(col);
00502     UInt_t concept      = md->ColFieldConcept(col);
00503     if ( mustDelimit ) row += '\'';
00504     TString str = this->GetStringFromTSQL(col);
00505     const char* value = str.Data();
00506 
00507     // Make strings printable. 
00508     if ( concept == Dbi::kString ) UtilString::MakePrintable(value,row);
00509 
00510     // For floating point, use binary interface to preserve precision 
00511     // e.g.-1.234567890123457e-100 as string is -0.000000
00512     else if ( concept == Dbi::kFloat ) {
00513       ostringstream out;
00514       out << setprecision(8);
00515       if ( md->ColFieldType(col).GetType() == Dbi::kDouble ) out << setprecision(16);
00516       out << fTSQLStatement->GetDouble(col-1);
00517       row += out.str();
00518     }
00519 
00520     // Everything else (!) is O.K.
00521     else                        row += value;
00522 
00523     if ( mustDelimit ) row += '\'';
00524     if ( col < maxCol ) row += ',';
00525   }
00526 }

Member Data Documentation

Int_t DbiResultSet::fCurRow [private]
 

Current row in query (0...).

Definition at line 100 of file DbiResultSet.h.

Referenced by AsString(), and CurColExists().

UInt_t DbiResultSet::fDbNo [private]
 

Cascade no. of source.

Definition at line 103 of file DbiResultSet.h.

Dbi::DbTypes DbiResultSet::fDbType [private]
 

Type of database fDbNo.

Definition at line 106 of file DbiResultSet.h.

Bool_t DbiResultSet::fExhausted [private]
 

True is result set missing or exhausted.

Definition at line 118 of file DbiResultSet.h.

Referenced by FetchRow().

string DbiResultSet::fFillOpts [private]
 

Optional fill options.

Definition at line 127 of file DbiResultSet.h.

DbiStatement* DbiResultSet::fStatement [private]
 

Owned DbiStatement. May be 0. It's only use is to create a TSQLStatement in the ctor but it is not destroyed until the dtor to prevent a premature attempt to close the connection.

Definition at line 112 of file DbiResultSet.h.

Referenced by ~DbiResultSet().

const DbiTableProxy* DbiResultSet::fTableProxy [private]
 

DbiTableProxy that produced this set.

Definition at line 121 of file DbiResultSet.h.

TSQLStatement* DbiResultSet::fTSQLStatement [private]
 

Pointer to owned statement, may be 0.

Definition at line 115 of file DbiResultSet.h.

Referenced by FetchRow(), GetStringFromTSQL(), LoadCurValue(), RowAsCsv(), and ~DbiResultSet().

string DbiResultSet::fValString [mutable, private]
 

Buffer for assembling value.

Definition at line 124 of file DbiResultSet.h.

Referenced by AsString(), and LoadCurValue().

The documentation for this class was generated from the following files:
Generated on Mon Feb 15 11:09:04 2010 for loon by  doxygen 1.3.9.1