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wxWidgets/src/common/db.cpp
Julian Smart 655719367a Use old licence name 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27408 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-05-23 20:53:33 +00:00

4258 lines
148 KiB
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///////////////////////////////////////////////////////////////////////////////
// Name: db.cpp
// Purpose: Implementation of the wxDb class. The wxDb class represents a connection
// to an ODBC data source. The wxDb class allows operations on the data
// source such as opening and closing the data source.
// Author: Doug Card
// Modified by: George Tasker
// Bart Jourquin
// Mark Johnson, wxWindows@mj10777.de
// Mods: Dec, 1998:
// -Added support for SQL statement logging and database cataloging
// Mods: April, 1999
// -Added QUERY_ONLY mode support to reduce default number of cursors
// -Added additional SQL logging code
// -Added DEBUG-ONLY tracking of wxTable objects to detect orphaned DB connections
// -Set ODBC option to only read committed writes to the DB so all
// databases operate the same in that respect
// Created: 9.96
// RCS-ID: $Id$
// Copyright: (c) 1996 Remstar International, Inc.
// Licence: wxWindows licence, plus:
// Notice: This class library and its intellectual design are free of charge for use,
// modification, enhancement, debugging under the following conditions:
// 1) These classes may only be used as part of the implementation of a
// wxWidgets-based application
// 2) All enhancements and bug fixes are to be submitted back to the wxWidgets
// user groups free of all charges for use with the wxWidgets library.
// 3) These classes may not be distributed as part of any other class library,
// DLL, text (written or electronic), other than a complete distribution of
// the wxWidgets GUI development toolkit.
///////////////////////////////////////////////////////////////////////////////
/*
// SYNOPSIS START
// SYNOPSIS STOP
*/
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "db.h"
#endif
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifdef DBDEBUG_CONSOLE
#include "wx/ioswrap.h"
#endif
#ifndef WX_PRECOMP
#include "wx/string.h"
#include "wx/object.h"
#include "wx/list.h"
#include "wx/utils.h"
#include "wx/log.h"
#endif
#include "wx/filefn.h"
#include "wx/wxchar.h"
#if wxUSE_ODBC
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <ctype.h>
#include "wx/db.h"
// DLL options compatibility check:
#include "wx/app.h"
WX_CHECK_BUILD_OPTIONS("wxODBC")
WXDLLIMPEXP_DATA_ODBC(wxDbList*) PtrBegDbList = 0;
wxChar const *SQL_LOG_FILENAME = wxT("sqllog.txt");
wxChar const *SQL_CATALOG_FILENAME = wxT("catalog.txt");
#ifdef __WXDEBUG__
extern wxList TablesInUse;
#endif
// SQL Log defaults to be used by GetDbConnection
wxDbSqlLogState SQLLOGstate = sqlLogOFF;
static wxString SQLLOGfn = SQL_LOG_FILENAME;
// The wxDb::errorList is copied to this variable when the wxDb object
// is closed. This way, the error list is still available after the
// database object is closed. This is necessary if the database
// connection fails so the calling application can show the operator
// why the connection failed. Note: as each wxDb object is closed, it
// will overwrite the errors of the previously destroyed wxDb object in
// this variable. NOTE: This occurs during a CLOSE, not a FREEing of the
// connection
wxChar DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN];
// This type defines the return row-struct form
// SQLTablePrivileges, and is used by wxDB::TablePrivileges.
typedef struct
{
wxChar tableQual[128+1];
wxChar tableOwner[128+1];
wxChar tableName[128+1];
wxChar grantor[128+1];
wxChar grantee[128+1];
wxChar privilege[128+1];
wxChar grantable[3+1];
} wxDbTablePrivilegeInfo;
/********** wxDbConnectInf Constructor - form 1 **********/
wxDbConnectInf::wxDbConnectInf()
{
Henv = 0;
freeHenvOnDestroy = FALSE;
Initialize();
} // Constructor
/********** wxDbConnectInf Constructor - form 2 **********/
wxDbConnectInf::wxDbConnectInf(HENV henv, const wxString &dsn, const wxString &userID,
const wxString &password, const wxString &defaultDir,
const wxString &fileType, const wxString &description)
{
Henv = 0;
freeHenvOnDestroy = FALSE;
Initialize();
if (henv)
SetHenv(henv);
else
AllocHenv();
SetDsn(dsn);
SetUserID(userID);
SetPassword(password);
SetDescription(description);
SetFileType(fileType);
SetDefaultDir(defaultDir);
} // wxDbConnectInf Constructor
wxDbConnectInf::~wxDbConnectInf()
{
if (freeHenvOnDestroy)
{
FreeHenv();
}
} // wxDbConnectInf Destructor
/********** wxDbConnectInf::Initialize() **********/
bool wxDbConnectInf::Initialize()
{
freeHenvOnDestroy = FALSE;
if (freeHenvOnDestroy && Henv)
FreeHenv();
Henv = 0;
Dsn[0] = 0;
Uid[0] = 0;
AuthStr[0] = 0;
ConnectionStr[0] = 0;
Description.Empty();
FileType.Empty();
DefaultDir.Empty();
useConnectionStr = FALSE;
return TRUE;
} // wxDbConnectInf::Initialize()
/********** wxDbConnectInf::AllocHenv() **********/
bool wxDbConnectInf::AllocHenv()
{
// This is here to help trap if you are getting a new henv
// without releasing an existing henv
wxASSERT(!Henv);
// Initialize the ODBC Environment for Database Operations
if (SQLAllocEnv(&Henv) != SQL_SUCCESS)
{
wxLogDebug(wxT("A problem occured while trying to get a connection to the data source"));
return FALSE;
}
freeHenvOnDestroy = TRUE;
return TRUE;
} // wxDbConnectInf::AllocHenv()
void wxDbConnectInf::FreeHenv()
{
wxASSERT(Henv);
if (Henv)
SQLFreeEnv(Henv);
Henv = 0;
freeHenvOnDestroy = FALSE;
} // wxDbConnectInf::FreeHenv()
void wxDbConnectInf::SetDsn(const wxString &dsn)
{
wxASSERT(dsn.Length() < sizeof(Dsn));
wxStrcpy(Dsn,dsn);
} // wxDbConnectInf::SetDsn()
void wxDbConnectInf::SetUserID(const wxString &uid)
{
wxASSERT(uid.Length() < sizeof(Uid));
wxStrcpy(Uid, uid);
} // wxDbConnectInf::SetUserID()
void wxDbConnectInf::SetPassword(const wxString &password)
{
wxASSERT(password.Length() < sizeof(AuthStr));
wxStrcpy(AuthStr, password);
} // wxDbConnectInf::SetPassword()
void wxDbConnectInf::SetConnectionStr(const wxString &connectStr)
{
wxASSERT(connectStr.Length() < sizeof(ConnectionStr));
useConnectionStr = wxStrlen(connectStr) > 0;
wxStrcpy(ConnectionStr, connectStr);
} // wxDbConnectInf::SetConnectionStr()
/********** wxDbColFor Constructor **********/
wxDbColFor::wxDbColFor()
{
Initialize();
} // wxDbColFor::wxDbColFor()
wxDbColFor::~wxDbColFor()
{
} // wxDbColFor::~wxDbColFor()
/********** wxDbColFor::Initialize() **********/
void wxDbColFor::Initialize()
{
s_Field.Empty();
int i;
for (i=0; i<7; i++)
{
s_Format[i].Empty();
s_Amount[i].Empty();
i_Amount[i] = 0;
}
i_Nation = 0; // 0=EU, 1=UK, 2=International, 3=US
i_dbDataType = 0;
i_sqlDataType = 0;
Format(1,DB_DATA_TYPE_VARCHAR,0,0,0); // the Function that does the work
} // wxDbColFor::Initialize()
/********** wxDbColFor::Format() **********/
int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
short columnSize, short decimalDigits)
{
// ----------------------------------------------------------------------------------------
// -- 19991224 : mj10777 : Create
// There is still a lot of work to do here, but it is a start
// It handles all the basic data-types that I have run into up to now
// The main work will have be with Dates and float Formatting
// (US 1,000.00 ; EU 1.000,00)
// There are wxWindow plans for locale support and the new wxDateTime. If
// they define some constants (wxEUROPEAN) that can be gloably used,
// they should be used here.
// ----------------------------------------------------------------------------------------
// There should also be a function to scan in a string to fill the variable
// ----------------------------------------------------------------------------------------
wxString tempStr;
i_Nation = Nation; // 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US
i_dbDataType = dbDataType;
i_sqlDataType = sqlDataType;
s_Field.Printf(wxT("%s%d"),s_Amount[1].c_str(),i_Amount[1]); // OK for VARCHAR, INTEGER and FLOAT
if (i_dbDataType == 0) // Filter unsupported dbDataTypes
{
if ((i_sqlDataType == SQL_VARCHAR) || (i_sqlDataType == SQL_LONGVARCHAR))
i_dbDataType = DB_DATA_TYPE_VARCHAR;
if ((i_sqlDataType == SQL_C_DATE) || (i_sqlDataType == SQL_C_TIMESTAMP))
i_dbDataType = DB_DATA_TYPE_DATE;
if (i_sqlDataType == SQL_C_BIT)
i_dbDataType = DB_DATA_TYPE_INTEGER;
if (i_sqlDataType == SQL_NUMERIC)
i_dbDataType = DB_DATA_TYPE_VARCHAR;
if (i_sqlDataType == SQL_REAL)
i_dbDataType = DB_DATA_TYPE_FLOAT;
if (i_sqlDataType == SQL_C_BINARY)
i_dbDataType = DB_DATA_TYPE_BLOB;
}
if ((i_dbDataType == DB_DATA_TYPE_INTEGER) && (i_sqlDataType == SQL_C_DOUBLE))
{ // DBASE Numeric
i_dbDataType = DB_DATA_TYPE_FLOAT;
}
switch(i_dbDataType) // TBD: Still a lot of proper formatting to do
{
case DB_DATA_TYPE_VARCHAR:
s_Field = wxT("%s");
break;
case DB_DATA_TYPE_INTEGER:
s_Field = wxT("%d");
break;
case DB_DATA_TYPE_FLOAT:
if (decimalDigits == 0)
decimalDigits = 2;
tempStr = wxT("%");
tempStr.Printf(wxT("%s%d.%d"),tempStr.c_str(),columnSize,decimalDigits);
s_Field.Printf(wxT("%sf"),tempStr.c_str());
break;
case DB_DATA_TYPE_DATE:
if (i_Nation == 0) // timestamp YYYY-MM-DD HH:MM:SS.SSS (tested for SYBASE)
{
s_Field = wxT("%04d-%02d-%02d %02d:%02d:%02d.%03d");
}
if (i_Nation == 1) // European DD.MM.YYYY HH:MM:SS.SSS
{
s_Field = wxT("%02d.%02d.%04d %02d:%02d:%02d.%03d");
}
if (i_Nation == 2) // UK DD/MM/YYYY HH:MM:SS.SSS
{
s_Field = wxT("%02d/%02d/%04d %02d:%02d:%02d.%03d");
}
if (i_Nation == 3) // International YYYY-MM-DD HH:MM:SS.SSS
{
s_Field = wxT("%04d-%02d-%02d %02d:%02d:%02d.%03d");
}
if (i_Nation == 4) // US MM/DD/YYYY HH:MM:SS.SSS
{
s_Field = wxT("%02d/%02d/%04d %02d:%02d:%02d.%03d");
}
break;
case DB_DATA_TYPE_BLOB:
s_Field.Printf(wxT("Unable to format(%d)-SQL(%d)"),dbDataType,sqlDataType); //
break;
default:
s_Field.Printf(wxT("Unknown Format(%d)-SQL(%d)"),dbDataType,sqlDataType); //
break;
};
return TRUE;
} // wxDbColFor::Format()
/********** wxDbColInf Constructor **********/
wxDbColInf::wxDbColInf()
{
Initialize();
} // wxDbColInf::wxDbColInf()
/********** wxDbColInf Destructor ********/
wxDbColInf::~wxDbColInf()
{
if (pColFor)
delete pColFor;
pColFor = NULL;
} // wxDbColInf::~wxDbColInf()
bool wxDbColInf::Initialize()
{
catalog[0] = 0;
schema[0] = 0;
tableName[0] = 0;
colName[0] = 0;
sqlDataType = 0;
typeName[0] = 0;
columnSize = 0;
bufferLength = 0;
decimalDigits = 0;
numPrecRadix = 0;
nullable = 0;
remarks[0] = 0;
dbDataType = 0;
PkCol = 0;
PkTableName[0] = 0;
FkCol = 0;
FkTableName[0] = 0;
pColFor = NULL;
return TRUE;
} // wxDbColInf::Initialize()
/********** wxDbTableInf Constructor ********/
wxDbTableInf::wxDbTableInf()
{
Initialize();
} // wxDbTableInf::wxDbTableInf()
/********** wxDbTableInf Constructor ********/
wxDbTableInf::~wxDbTableInf()
{
if (pColInf)
delete [] pColInf;
pColInf = NULL;
} // wxDbTableInf::~wxDbTableInf()
bool wxDbTableInf::Initialize()
{
tableName[0] = 0;
tableType[0] = 0;
tableRemarks[0] = 0;
numCols = 0;
pColInf = NULL;
return TRUE;
} // wxDbTableInf::Initialize()
/********** wxDbInf Constructor *************/
wxDbInf::wxDbInf()
{
Initialize();
} // wxDbInf::wxDbInf()
/********** wxDbInf Destructor *************/
wxDbInf::~wxDbInf()
{
if (pTableInf)
delete [] pTableInf;
pTableInf = NULL;
} // wxDbInf::~wxDbInf()
/********** wxDbInf::Initialize() *************/
bool wxDbInf::Initialize()
{
catalog[0] = 0;
schema[0] = 0;
numTables = 0;
pTableInf = NULL;
return TRUE;
} // wxDbInf::Initialize()
/********** wxDb Constructor **********/
wxDb::wxDb(const HENV &aHenv, bool FwdOnlyCursors)
{
// Copy the HENV into the db class
henv = aHenv;
fwdOnlyCursors = FwdOnlyCursors;
initialize();
} // wxDb::wxDb()
/********** wxDb Destructor **********/
wxDb::~wxDb()
{
wxASSERT_MSG(!IsCached(),wxT("Cached connections must not be manually deleted, use\nwxDbFreeConnection() or wxDbCloseConnections()."));
if (IsOpen())
{
Close();
}
} // wxDb destructor
/********** PRIVATE! wxDb::initialize PRIVATE! **********/
/********** wxDb::initialize() **********/
void wxDb::initialize()
/*
* Private member function that sets all wxDb member variables to
* known values at creation of the wxDb
*/
{
int i;
fpSqlLog = 0; // Sql Log file pointer
sqlLogState = sqlLogOFF; // By default, logging is turned off
nTables = 0;
dbmsType = dbmsUNIDENTIFIED;
wxStrcpy(sqlState,wxEmptyString);
wxStrcpy(errorMsg,wxEmptyString);
nativeError = cbErrorMsg = 0;
for (i = 0; i < DB_MAX_ERROR_HISTORY; i++)
wxStrcpy(errorList[i], wxEmptyString);
// Init typeInf structures
typeInfVarchar.TypeName.Empty();
typeInfVarchar.FsqlType = 0;
typeInfVarchar.Precision = 0;
typeInfVarchar.CaseSensitive = 0;
typeInfVarchar.MaximumScale = 0;
typeInfInteger.TypeName.Empty();
typeInfInteger.FsqlType = 0;
typeInfInteger.Precision = 0;
typeInfInteger.CaseSensitive = 0;
typeInfInteger.MaximumScale = 0;
typeInfFloat.TypeName.Empty();
typeInfFloat.FsqlType = 0;
typeInfFloat.Precision = 0;
typeInfFloat.CaseSensitive = 0;
typeInfFloat.MaximumScale = 0;
typeInfDate.TypeName.Empty();
typeInfDate.FsqlType = 0;
typeInfDate.Precision = 0;
typeInfDate.CaseSensitive = 0;
typeInfDate.MaximumScale = 0;
typeInfBlob.TypeName.Empty();
typeInfBlob.FsqlType = 0;
typeInfBlob.Precision = 0;
typeInfBlob.CaseSensitive = 0;
typeInfBlob.MaximumScale = 0;
// Error reporting is turned OFF by default
silent = TRUE;
// Allocate a data source connection handle
if (SQLAllocConnect(henv, &hdbc) != SQL_SUCCESS)
DispAllErrors(henv);
// Initialize the db status flag
DB_STATUS = 0;
// Mark database as not open as of yet
dbIsOpen = FALSE;
dbIsCached = FALSE;
dbOpenedWithConnectionString = FALSE;
} // wxDb::initialize()
/********** PRIVATE! wxDb::convertUserID PRIVATE! **********/
//
// NOTE: Return value from this function MUST be copied
// immediately, as the value is not good after
// this function has left scope.
//
const wxChar *wxDb::convertUserID(const wxChar *userID, wxString &UserID)
{
if (userID)
{
if (!wxStrlen(userID))
UserID = uid;
else
UserID = userID;
}
else
UserID.Empty();
// dBase does not use user names, and some drivers fail if you try to pass one
if ( Dbms() == dbmsDBASE
|| Dbms() == dbmsXBASE_SEQUITER )
UserID.Empty();
// Oracle user names may only be in uppercase, so force
// the name to uppercase
if (Dbms() == dbmsORACLE)
UserID = UserID.Upper();
return UserID.c_str();
} // wxDb::convertUserID()
bool wxDb::open(bool failOnDataTypeUnsupported)
{
/*
If using Intersolv branded ODBC drivers, this is the place where you would substitute
your branded driver license information
SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString);
SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString);
*/
// Mark database as open
dbIsOpen = TRUE;
// Allocate a statement handle for the database connection
if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
// Set Connection Options
if (!setConnectionOptions())
return(FALSE);
// Query the data source for inf. about itself
if (!getDbInfo(failOnDataTypeUnsupported))
return(FALSE);
// Query the data source regarding data type information
//
// The way it was determined which SQL data types to use was by calling SQLGetInfo
// for all of the possible SQL data types to see which ones were supported. If
// a type is not supported, the SQLFetch() that's called from getDataTypeInfo()
// fails with SQL_NO_DATA_FOUND. This is ugly because I'm sure the three SQL data
// types I've selected below will not alway's be what we want. These are just
// what happened to work against an Oracle 7/Intersolv combination. The following is
// a complete list of the results I got back against the Oracle 7 database:
//
// SQL_BIGINT SQL_NO_DATA_FOUND
// SQL_BINARY SQL_NO_DATA_FOUND
// SQL_BIT SQL_NO_DATA_FOUND
// SQL_CHAR type name = 'CHAR', Precision = 255
// SQL_DATE SQL_NO_DATA_FOUND
// SQL_DECIMAL type name = 'NUMBER', Precision = 38
// SQL_DOUBLE type name = 'NUMBER', Precision = 15
// SQL_FLOAT SQL_NO_DATA_FOUND
// SQL_INTEGER SQL_NO_DATA_FOUND
// SQL_LONGVARBINARY type name = 'LONG RAW', Precision = 2 billion
// SQL_LONGVARCHAR type name = 'LONG', Precision = 2 billion
// SQL_NUMERIC SQL_NO_DATA_FOUND
// SQL_REAL SQL_NO_DATA_FOUND
// SQL_SMALLINT SQL_NO_DATA_FOUND
// SQL_TIME SQL_NO_DATA_FOUND
// SQL_TIMESTAMP type name = 'DATE', Precision = 19
// SQL_VARBINARY type name = 'RAW', Precision = 255
// SQL_VARCHAR type name = 'VARCHAR2', Precision = 2000
// =====================================================================
// Results from a Microsoft Access 7.0 db, using a driver from Microsoft
//
// SQL_VARCHAR type name = 'TEXT', Precision = 255
// SQL_TIMESTAMP type name = 'DATETIME'
// SQL_DECIMAL SQL_NO_DATA_FOUND
// SQL_NUMERIC type name = 'CURRENCY', Precision = 19
// SQL_FLOAT SQL_NO_DATA_FOUND
// SQL_REAL type name = 'SINGLE', Precision = 7
// SQL_DOUBLE type name = 'DOUBLE', Precision = 15
// SQL_INTEGER type name = 'LONG', Precision = 10
// VARCHAR = Variable length character string
if (!getDataTypeInfo(SQL_VARCHAR, typeInfVarchar))
if (!getDataTypeInfo(SQL_CHAR, typeInfVarchar))
return(FALSE);
else
typeInfVarchar.FsqlType = SQL_CHAR;
else
typeInfVarchar.FsqlType = SQL_VARCHAR;
// Float
if (!getDataTypeInfo(SQL_DOUBLE,typeInfFloat))
if (!getDataTypeInfo(SQL_REAL,typeInfFloat))
if (!getDataTypeInfo(SQL_FLOAT,typeInfFloat))
if (!getDataTypeInfo(SQL_DECIMAL,typeInfFloat))
if (!getDataTypeInfo(SQL_NUMERIC,typeInfFloat))
{
if (failOnDataTypeUnsupported)
return(FALSE);
}
else
typeInfFloat.FsqlType = SQL_NUMERIC;
else
typeInfFloat.FsqlType = SQL_DECIMAL;
else
typeInfFloat.FsqlType = SQL_FLOAT;
else
typeInfFloat.FsqlType = SQL_REAL;
else
typeInfFloat.FsqlType = SQL_DOUBLE;
// Integer
if (!getDataTypeInfo(SQL_INTEGER, typeInfInteger))
{
// If SQL_INTEGER is not supported, use the floating point
// data type to store integers as well as floats
if (!getDataTypeInfo(typeInfFloat.FsqlType, typeInfInteger))
{
if (failOnDataTypeUnsupported)
return(FALSE);
}
else
typeInfInteger.FsqlType = typeInfFloat.FsqlType;
}
else
typeInfInteger.FsqlType = SQL_INTEGER;
// Date/Time
if (!getDataTypeInfo(SQL_TIMESTAMP,typeInfDate))
{
if (!getDataTypeInfo(SQL_DATE,typeInfDate))
{
#ifdef SQL_DATETIME
if (getDataTypeInfo(SQL_DATETIME,typeInfDate))
{
typeInfDate.FsqlType = SQL_TIME;
}
else
#endif // SQL_DATETIME defined
{
if (failOnDataTypeUnsupported)
return(FALSE);
}
}
else
typeInfDate.FsqlType = SQL_DATE;
}
else
typeInfDate.FsqlType = SQL_TIMESTAMP;
if (!getDataTypeInfo(SQL_LONGVARBINARY, typeInfBlob))
{
if (!getDataTypeInfo(SQL_VARBINARY,typeInfBlob))
{
if (failOnDataTypeUnsupported)
return(FALSE);
}
else
typeInfBlob.FsqlType = SQL_VARBINARY;
}
else
typeInfBlob.FsqlType = SQL_LONGVARBINARY;
#ifdef DBDEBUG_CONSOLE
cout << wxT("VARCHAR DATA TYPE: ") << typeInfVarchar.TypeName << endl;
cout << wxT("INTEGER DATA TYPE: ") << typeInfInteger.TypeName << endl;
cout << wxT("FLOAT DATA TYPE: ") << typeInfFloat.TypeName << endl;
cout << wxT("DATE DATA TYPE: ") << typeInfDate.TypeName << endl;
cout << wxT("BLOB DATA TYPE: ") << typeInfBlob.TypeName << endl;
cout << endl;
#endif
// Completed Successfully
return(TRUE);
}
bool wxDb::Open(const wxString& inConnectStr, bool failOnDataTypeUnsupported)
{
wxASSERT(inConnectStr.Length());
dsn = wxT("");
uid = wxT("");
authStr = wxT("");
RETCODE retcode;
if (!FwdOnlyCursors())
{
// Specify that the ODBC cursor library be used, if needed. This must be
// specified before the connection is made.
retcode = SQLSetConnectOption(hdbc, SQL_ODBC_CURSORS, SQL_CUR_USE_IF_NEEDED);
#ifdef DBDEBUG_CONSOLE
if (retcode == SQL_SUCCESS)
cout << wxT("SQLSetConnectOption(CURSOR_LIB) successful") << endl;
else
cout << wxT("SQLSetConnectOption(CURSOR_LIB) failed") << endl;
#else
wxUnusedVar(retcode);
#endif
}
// Connect to the data source
SQLTCHAR outConnectBuffer[SQL_MAX_CONNECTSTR_LEN+1]; // MS recommends at least 1k buffer
short outConnectBufferLen;
inConnectionStr = inConnectStr;
retcode = SQLDriverConnect(hdbc, NULL, (SQLTCHAR FAR *)inConnectionStr.c_str(),
inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer,
sizeof(outConnectBuffer), &outConnectBufferLen, SQL_DRIVER_COMPLETE );
if ((retcode != SQL_SUCCESS) &&
(retcode != SQL_SUCCESS_WITH_INFO))
return(DispAllErrors(henv, hdbc));
outConnectBuffer[outConnectBufferLen] = 0;
outConnectionStr = outConnectBuffer;
dbOpenedWithConnectionString = TRUE;
return open(failOnDataTypeUnsupported);
}
/********** wxDb::Open() **********/
bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthStr, bool failOnDataTypeUnsupported)
{
wxASSERT(Dsn.Length());
dsn = Dsn;
uid = Uid;
authStr = AuthStr;
inConnectionStr = wxT("");
outConnectionStr = wxT("");
RETCODE retcode;
if (!FwdOnlyCursors())
{
// Specify that the ODBC cursor library be used, if needed. This must be
// specified before the connection is made.
retcode = SQLSetConnectOption(hdbc, SQL_ODBC_CURSORS, SQL_CUR_USE_IF_NEEDED);
#ifdef DBDEBUG_CONSOLE
if (retcode == SQL_SUCCESS)
cout << wxT("SQLSetConnectOption(CURSOR_LIB) successful") << endl;
else
cout << wxT("SQLSetConnectOption(CURSOR_LIB) failed") << endl;
#else
wxUnusedVar( retcode );
#endif
}
// Connect to the data source
retcode = SQLConnect(hdbc, (SQLTCHAR FAR *) dsn.c_str(), SQL_NTS,
(SQLTCHAR FAR *) uid.c_str(), SQL_NTS,
(SQLTCHAR FAR *) authStr.c_str(), SQL_NTS);
if ((retcode != SQL_SUCCESS) &&
(retcode != SQL_SUCCESS_WITH_INFO))
return(DispAllErrors(henv, hdbc));
return open(failOnDataTypeUnsupported);
} // wxDb::Open()
bool wxDb::Open(wxDbConnectInf *dbConnectInf, bool failOnDataTypeUnsupported)
{
wxASSERT(dbConnectInf);
// Use the connection string if one is present
if (dbConnectInf->UseConnectionStr())
return Open(GetConnectionInStr(), failOnDataTypeUnsupported);
else
return Open(dbConnectInf->GetDsn(), dbConnectInf->GetUserID(),
dbConnectInf->GetPassword(), failOnDataTypeUnsupported);
} // wxDb::Open()
bool wxDb::Open(wxDb *copyDb)
{
dsn = copyDb->GetDatasourceName();
uid = copyDb->GetUsername();
authStr = copyDb->GetPassword();
inConnectionStr = copyDb->GetConnectionInStr();
outConnectionStr = copyDb->GetConnectionOutStr();
RETCODE retcode;
if (!FwdOnlyCursors())
{
// Specify that the ODBC cursor library be used, if needed. This must be
// specified before the connection is made.
retcode = SQLSetConnectOption(hdbc, SQL_ODBC_CURSORS, SQL_CUR_USE_IF_NEEDED);
#ifdef DBDEBUG_CONSOLE
if (retcode == SQL_SUCCESS)
cout << wxT("SQLSetConnectOption(CURSOR_LIB) successful") << endl;
else
cout << wxT("SQLSetConnectOption(CURSOR_LIB) failed") << endl;
#else
wxUnusedVar( retcode );
#endif
}
if (copyDb->OpenedWithConnectionString())
{
// Connect to the data source
SQLTCHAR outConnectBuffer[SQL_MAX_CONNECTSTR_LEN+1];
short outConnectBufferLen;
inConnectionStr = copyDb->GetConnectionInStr();
retcode = SQLDriverConnect(hdbc, NULL, (SQLTCHAR FAR *)inConnectionStr.c_str(),
inConnectionStr.Length(), (SQLTCHAR FAR *)outConnectBuffer,
sizeof(outConnectBuffer), &outConnectBufferLen, SQL_DRIVER_COMPLETE);
if ((retcode != SQL_SUCCESS) &&
(retcode != SQL_SUCCESS_WITH_INFO))
return(DispAllErrors(henv, hdbc));
outConnectBuffer[outConnectBufferLen] = 0;
outConnectionStr = outConnectBuffer;
dbOpenedWithConnectionString = TRUE;
}
else
{
// Connect to the data source
retcode = SQLConnect(hdbc, (SQLTCHAR FAR *) dsn.c_str(), SQL_NTS,
(SQLTCHAR FAR *) uid.c_str(), SQL_NTS,
(SQLTCHAR FAR *) authStr.c_str(), SQL_NTS);
}
if ((retcode != SQL_SUCCESS) &&
(retcode != SQL_SUCCESS_WITH_INFO))
return(DispAllErrors(henv, hdbc));
/*
If using Intersolv branded ODBC drivers, this is the place where you would substitute
your branded driver license information
SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString);
SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString);
*/
// Mark database as open
dbIsOpen = TRUE;
// Allocate a statement handle for the database connection
if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
// Set Connection Options
if (!setConnectionOptions())
return(FALSE);
// Instead of Querying the data source for info about itself, it can just be copied
// from the wxDb instance that was passed in (copyDb).
wxStrcpy(dbInf.serverName,copyDb->dbInf.serverName);
wxStrcpy(dbInf.databaseName,copyDb->dbInf.databaseName);
wxStrcpy(dbInf.dbmsName,copyDb->dbInf.dbmsName);
wxStrcpy(dbInf.dbmsVer,copyDb->dbInf.dbmsVer);
dbInf.maxConnections = copyDb->dbInf.maxConnections;
dbInf.maxStmts = copyDb->dbInf.maxStmts;
wxStrcpy(dbInf.driverName,copyDb->dbInf.driverName);
wxStrcpy(dbInf.odbcVer,copyDb->dbInf.odbcVer);
wxStrcpy(dbInf.drvMgrOdbcVer,copyDb->dbInf.drvMgrOdbcVer);
wxStrcpy(dbInf.driverVer,copyDb->dbInf.driverVer);
dbInf.apiConfLvl = copyDb->dbInf.apiConfLvl;
dbInf.cliConfLvl = copyDb->dbInf.cliConfLvl;
dbInf.sqlConfLvl = copyDb->dbInf.sqlConfLvl;
wxStrcpy(dbInf.outerJoins,copyDb->dbInf.outerJoins);
wxStrcpy(dbInf.procedureSupport,copyDb->dbInf.procedureSupport);
wxStrcpy(dbInf.accessibleTables,copyDb->dbInf.accessibleTables);
dbInf.cursorCommitBehavior = copyDb->dbInf.cursorCommitBehavior;
dbInf.cursorRollbackBehavior = copyDb->dbInf.cursorRollbackBehavior;
dbInf.supportNotNullClause = copyDb->dbInf.supportNotNullClause;
wxStrcpy(dbInf.supportIEF,copyDb->dbInf.supportIEF);
dbInf.txnIsolation = copyDb->dbInf.txnIsolation;
dbInf.txnIsolationOptions = copyDb->dbInf.txnIsolationOptions;
dbInf.fetchDirections = copyDb->dbInf.fetchDirections;
dbInf.lockTypes = copyDb->dbInf.lockTypes;
dbInf.posOperations = copyDb->dbInf.posOperations;
dbInf.posStmts = copyDb->dbInf.posStmts;
dbInf.scrollConcurrency = copyDb->dbInf.scrollConcurrency;
dbInf.scrollOptions = copyDb->dbInf.scrollOptions;
dbInf.staticSensitivity = copyDb->dbInf.staticSensitivity;
dbInf.txnCapable = copyDb->dbInf.txnCapable;
dbInf.loginTimeout = copyDb->dbInf.loginTimeout;
// VARCHAR = Variable length character string
typeInfVarchar.FsqlType = copyDb->typeInfVarchar.FsqlType;
typeInfVarchar.TypeName = copyDb->typeInfVarchar.TypeName;
typeInfVarchar.Precision = copyDb->typeInfVarchar.Precision;
typeInfVarchar.CaseSensitive = copyDb->typeInfVarchar.CaseSensitive;
typeInfVarchar.MaximumScale = copyDb->typeInfVarchar.MaximumScale;
// Float
typeInfFloat.FsqlType = copyDb->typeInfFloat.FsqlType;
typeInfFloat.TypeName = copyDb->typeInfFloat.TypeName;
typeInfFloat.Precision = copyDb->typeInfFloat.Precision;
typeInfFloat.CaseSensitive = copyDb->typeInfFloat.CaseSensitive;
typeInfFloat.MaximumScale = copyDb->typeInfFloat.MaximumScale;
// Integer
typeInfInteger.FsqlType = copyDb->typeInfInteger.FsqlType;
typeInfInteger.TypeName = copyDb->typeInfInteger.TypeName;
typeInfInteger.Precision = copyDb->typeInfInteger.Precision;
typeInfInteger.CaseSensitive = copyDb->typeInfInteger.CaseSensitive;
typeInfInteger.MaximumScale = copyDb->typeInfInteger.MaximumScale;
// Date/Time
typeInfDate.FsqlType = copyDb->typeInfDate.FsqlType;
typeInfDate.TypeName = copyDb->typeInfDate.TypeName;
typeInfDate.Precision = copyDb->typeInfDate.Precision;
typeInfDate.CaseSensitive = copyDb->typeInfDate.CaseSensitive;
typeInfDate.MaximumScale = copyDb->typeInfDate.MaximumScale;
// Blob
typeInfBlob.FsqlType = copyDb->typeInfBlob.FsqlType;
typeInfBlob.TypeName = copyDb->typeInfBlob.TypeName;
typeInfBlob.Precision = copyDb->typeInfBlob.Precision;
typeInfBlob.CaseSensitive = copyDb->typeInfBlob.CaseSensitive;
typeInfBlob.MaximumScale = copyDb->typeInfBlob.MaximumScale;
#ifdef DBDEBUG_CONSOLE
cout << wxT("VARCHAR DATA TYPE: ") << typeInfVarchar.TypeName << endl;
cout << wxT("INTEGER DATA TYPE: ") << typeInfInteger.TypeName << endl;
cout << wxT("FLOAT DATA TYPE: ") << typeInfFloat.TypeName << endl;
cout << wxT("DATE DATA TYPE: ") << typeInfDate.TypeName << endl;
cout << wxT("BLOB DATA TYPE: ") << typeInfBlob.TypeName << endl;
cout << endl;
#endif
// Completed Successfully
return(TRUE);
} // wxDb::Open() 2
/********** wxDb::setConnectionOptions() **********/
bool wxDb::setConnectionOptions(void)
/*
* NOTE: The Intersolv/Oracle 7 driver was "Not Capable" of setting the login timeout.
*/
{
SWORD cb;
// I need to get the DBMS name here, because some of the connection options
// are database specific and need to call the Dbms() function.
if (SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR*) dbInf.dbmsName, 40, &cb) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
SQLSetConnectOption(hdbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF);
SQLSetConnectOption(hdbc, SQL_OPT_TRACE, SQL_OPT_TRACE_OFF);
// SQLSetConnectOption(hdbc, SQL_TXN_ISOLATION, SQL_TXN_READ_COMMITTED); // No dirty reads
// By default, MS Sql Server closes cursors on commit and rollback. The following
// call to SQLSetConnectOption() is needed to force SQL Server to preserve cursors
// after a transaction. This is a driver specific option and is not part of the
// ODBC standard. Note: this behavior is specific to the ODBC interface to SQL Server.
// The database settings don't have any effect one way or the other.
if (Dbms() == dbmsMS_SQL_SERVER)
{
const long SQL_PRESERVE_CURSORS = 1204L;
const long SQL_PC_ON = 1L;
SQLSetConnectOption(hdbc, SQL_PRESERVE_CURSORS, SQL_PC_ON);
}
// Display the connection options to verify them
#ifdef DBDEBUG_CONSOLE
long l;
cout << wxT("****** CONNECTION OPTIONS ******") << endl;
if (SQLGetConnectOption(hdbc, SQL_AUTOCOMMIT, &l) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
cout << wxT("AUTOCOMMIT: ") << (l == SQL_AUTOCOMMIT_OFF ? "OFF" : "ON") << endl;
if (SQLGetConnectOption(hdbc, SQL_ODBC_CURSORS, &l) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
cout << wxT("ODBC CURSORS: ");
switch(l)
{
case(SQL_CUR_USE_IF_NEEDED):
cout << wxT("SQL_CUR_USE_IF_NEEDED");
break;
case(SQL_CUR_USE_ODBC):
cout << wxT("SQL_CUR_USE_ODBC");
break;
case(SQL_CUR_USE_DRIVER):
cout << wxT("SQL_CUR_USE_DRIVER");
break;
}
cout << endl;
if (SQLGetConnectOption(hdbc, SQL_OPT_TRACE, &l) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
cout << wxT("TRACING: ") << (l == SQL_OPT_TRACE_OFF ? wxT("OFF") : wxT("ON")) << endl;
cout << endl;
#endif
// Completed Successfully
return(TRUE);
} // wxDb::setConnectionOptions()
/********** wxDb::getDbInfo() **********/
bool wxDb::getDbInfo(bool failOnDataTypeUnsupported)
{
SWORD cb;
RETCODE retcode;
retcode = SQLGetInfo(hdbc, SQL_SERVER_NAME, (UCHAR*) dbInf.serverName, 80, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_DATABASE_NAME, (UCHAR*) dbInf.databaseName, 128, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR*) dbInf.dbmsName, 40, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
// 16-Mar-1999
// After upgrading to MSVC6, the original 20 char buffer below was insufficient,
// causing database connectivity to fail in some cases.
retcode = SQLGetInfo(hdbc, SQL_DBMS_VER, (UCHAR*) dbInf.dbmsVer, 64, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_ACTIVE_CONNECTIONS, (UCHAR*) &dbInf.maxConnections, sizeof(dbInf.maxConnections), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_ACTIVE_STATEMENTS, (UCHAR*) &dbInf.maxStmts, sizeof(dbInf.maxStmts), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_DRIVER_NAME, (UCHAR*) dbInf.driverName, 40, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_DRIVER_ODBC_VER, (UCHAR*) dbInf.odbcVer, 60, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_ODBC_VER, (UCHAR*) dbInf.drvMgrOdbcVer, 60, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_DRIVER_VER, (UCHAR*) dbInf.driverVer, 60, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_ODBC_API_CONFORMANCE, (UCHAR*) &dbInf.apiConfLvl, sizeof(dbInf.apiConfLvl), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_ODBC_SAG_CLI_CONFORMANCE, (UCHAR*) &dbInf.cliConfLvl, sizeof(dbInf.cliConfLvl), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
// Not all drivers support this call - Nick Gorham(unixODBC)
dbInf.cliConfLvl = 0;
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_ODBC_SQL_CONFORMANCE, (UCHAR*) &dbInf.sqlConfLvl, sizeof(dbInf.sqlConfLvl), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_OUTER_JOINS, (UCHAR*) dbInf.outerJoins, 2, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_PROCEDURES, (UCHAR*) dbInf.procedureSupport, 2, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_ACCESSIBLE_TABLES, (UCHAR*) dbInf.accessibleTables, 2, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_CURSOR_COMMIT_BEHAVIOR, (UCHAR*) &dbInf.cursorCommitBehavior, sizeof(dbInf.cursorCommitBehavior), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_CURSOR_ROLLBACK_BEHAVIOR, (UCHAR*) &dbInf.cursorRollbackBehavior, sizeof(dbInf.cursorRollbackBehavior), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_NON_NULLABLE_COLUMNS, (UCHAR*) &dbInf.supportNotNullClause, sizeof(dbInf.supportNotNullClause), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_ODBC_SQL_OPT_IEF, (UCHAR*) dbInf.supportIEF, 2, &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_DEFAULT_TXN_ISOLATION, (UCHAR*) &dbInf.txnIsolation, sizeof(dbInf.txnIsolation), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_TXN_ISOLATION_OPTION, (UCHAR*) &dbInf.txnIsolationOptions, sizeof(dbInf.txnIsolationOptions), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_FETCH_DIRECTION, (UCHAR*) &dbInf.fetchDirections, sizeof(dbInf.fetchDirections), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_LOCK_TYPES, (UCHAR*) &dbInf.lockTypes, sizeof(dbInf.lockTypes), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_POS_OPERATIONS, (UCHAR*) &dbInf.posOperations, sizeof(dbInf.posOperations), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_POSITIONED_STATEMENTS, (UCHAR*) &dbInf.posStmts, sizeof(dbInf.posStmts), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_SCROLL_CONCURRENCY, (UCHAR*) &dbInf.scrollConcurrency, sizeof(dbInf.scrollConcurrency), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_SCROLL_OPTIONS, (UCHAR*) &dbInf.scrollOptions, sizeof(dbInf.scrollOptions), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_STATIC_SENSITIVITY, (UCHAR*) &dbInf.staticSensitivity, sizeof(dbInf.staticSensitivity), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_TXN_CAPABLE, (UCHAR*) &dbInf.txnCapable, sizeof(dbInf.txnCapable), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
retcode = SQLGetInfo(hdbc, SQL_LOGIN_TIMEOUT, (UCHAR*) &dbInf.loginTimeout, sizeof(dbInf.loginTimeout), &cb);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO )
{
DispAllErrors(henv, hdbc);
if (failOnDataTypeUnsupported)
return FALSE;
}
#ifdef DBDEBUG_CONSOLE
cout << wxT("***** DATA SOURCE INFORMATION *****") << endl;
cout << wxT(wxT("SERVER Name: ") << dbInf.serverName << endl;
cout << wxT("DBMS Name: ") << dbInf.dbmsName << wxT("; DBMS Version: ") << dbInf.dbmsVer << endl;
cout << wxT("ODBC Version: ") << dbInf.odbcVer << wxT("; Driver Version: ") << dbInf.driverVer << endl;
cout << wxT("API Conf. Level: ");
switch(dbInf.apiConfLvl)
{
case SQL_OAC_NONE: cout << wxT("None"); break;
case SQL_OAC_LEVEL1: cout << wxT("Level 1"); break;
case SQL_OAC_LEVEL2: cout << wxT("Level 2"); break;
}
cout << endl;
cout << wxT("SAG CLI Conf. Level: ");
switch(dbInf.cliConfLvl)
{
case SQL_OSCC_NOT_COMPLIANT: cout << wxT("Not Compliant"); break;
case SQL_OSCC_COMPLIANT: cout << wxT("Compliant"); break;
}
cout << endl;
cout << wxT("SQL Conf. Level: ");
switch(dbInf.sqlConfLvl)
{
case SQL_OSC_MINIMUM: cout << wxT("Minimum Grammar"); break;
case SQL_OSC_CORE: cout << wxT("Core Grammar"); break;
case SQL_OSC_EXTENDED: cout << wxT("Extended Grammar"); break;
}
cout << endl;
cout << wxT("Max. Connections: ") << dbInf.maxConnections << endl;
cout << wxT("Outer Joins: ") << dbInf.outerJoins << endl;
cout << wxT("Support for Procedures: ") << dbInf.procedureSupport << endl;
cout << wxT("All tables accessible : ") << dbInf.accessibleTables << endl;
cout << wxT("Cursor COMMIT Behavior: ");
switch(dbInf.cursorCommitBehavior)
{
case SQL_CB_DELETE: cout << wxT("Delete cursors"); break;
case SQL_CB_CLOSE: cout << wxT("Close cursors"); break;
case SQL_CB_PRESERVE: cout << wxT("Preserve cursors"); break;
}
cout << endl;
cout << wxT("Cursor ROLLBACK Behavior: ");
switch(dbInf.cursorRollbackBehavior)
{
case SQL_CB_DELETE: cout << wxT("Delete cursors"); break;
case SQL_CB_CLOSE: cout << wxT("Close cursors"); break;
case SQL_CB_PRESERVE: cout << wxT("Preserve cursors"); break;
}
cout << endl;
cout << wxT("Support NOT NULL clause: ");
switch(dbInf.supportNotNullClause)
{
case SQL_NNC_NULL: cout << wxT("No"); break;
case SQL_NNC_NON_NULL: cout << wxT("Yes"); break;
}
cout << endl;
cout << wxT("Support IEF (Ref. Integrity): ") << dbInf.supportIEF << endl;
cout << wxT("Login Timeout: ") << dbInf.loginTimeout << endl;
cout << endl << endl << wxT("more ...") << endl;
getchar();
cout << wxT("Default Transaction Isolation: ";
switch(dbInf.txnIsolation)
{
case SQL_TXN_READ_UNCOMMITTED: cout << wxT("Read Uncommitted"); break;
case SQL_TXN_READ_COMMITTED: cout << wxT("Read Committed"); break;
case SQL_TXN_REPEATABLE_READ: cout << wxT("Repeatable Read"); break;
case SQL_TXN_SERIALIZABLE: cout << wxT("Serializable"); break;
#ifdef ODBC_V20
case SQL_TXN_VERSIONING: cout << wxT("Versioning"); break;
#endif
}
cout << endl;
cout << wxT("Transaction Isolation Options: ");
if (dbInf.txnIsolationOptions & SQL_TXN_READ_UNCOMMITTED)
cout << wxT("Read Uncommitted, ");
if (dbInf.txnIsolationOptions & SQL_TXN_READ_COMMITTED)
cout << wxT("Read Committed, ");
if (dbInf.txnIsolationOptions & SQL_TXN_REPEATABLE_READ)
cout << wxT("Repeatable Read, ");
if (dbInf.txnIsolationOptions & SQL_TXN_SERIALIZABLE)
cout << wxT("Serializable, ");
#ifdef ODBC_V20
if (dbInf.txnIsolationOptions & SQL_TXN_VERSIONING)
cout << wxT("Versioning");
#endif
cout << endl;
cout << wxT("Fetch Directions Supported:") << endl << wxT(" ");
if (dbInf.fetchDirections & SQL_FD_FETCH_NEXT)
cout << wxT("Next, ");
if (dbInf.fetchDirections & SQL_FD_FETCH_PRIOR)
cout << wxT("Prev, ");
if (dbInf.fetchDirections & SQL_FD_FETCH_FIRST)
cout << wxT("First, ");
if (dbInf.fetchDirections & SQL_FD_FETCH_LAST)
cout << wxT("Last, ");
if (dbInf.fetchDirections & SQL_FD_FETCH_ABSOLUTE)
cout << wxT("Absolute, ");
if (dbInf.fetchDirections & SQL_FD_FETCH_RELATIVE)
cout << wxT("Relative, ");
#ifdef ODBC_V20
if (dbInf.fetchDirections & SQL_FD_FETCH_RESUME)
cout << wxT("Resume, ");
#endif
if (dbInf.fetchDirections & SQL_FD_FETCH_BOOKMARK)
cout << wxT("Bookmark");
cout << endl;
cout << wxT("Lock Types Supported (SQLSetPos): ");
if (dbInf.lockTypes & SQL_LCK_NO_CHANGE)
cout << wxT("No Change, ");
if (dbInf.lockTypes & SQL_LCK_EXCLUSIVE)
cout << wxT("Exclusive, ");
if (dbInf.lockTypes & SQL_LCK_UNLOCK)
cout << wxT("UnLock");
cout << endl;
cout << wxT("Position Operations Supported (SQLSetPos): ");
if (dbInf.posOperations & SQL_POS_POSITION)
cout << wxT("Position, ");
if (dbInf.posOperations & SQL_POS_REFRESH)
cout << wxT("Refresh, ");
if (dbInf.posOperations & SQL_POS_UPDATE)
cout << wxT("Upd, "));
if (dbInf.posOperations & SQL_POS_DELETE)
cout << wxT("Del, ");
if (dbInf.posOperations & SQL_POS_ADD)
cout << wxT("Add");
cout << endl;
cout << wxT("Positioned Statements Supported: ");
if (dbInf.posStmts & SQL_PS_POSITIONED_DELETE)
cout << wxT("Pos delete, ");
if (dbInf.posStmts & SQL_PS_POSITIONED_UPDATE)
cout << wxT("Pos update, ");
if (dbInf.posStmts & SQL_PS_SELECT_FOR_UPDATE)
cout << wxT("Select for update");
cout << endl;
cout << wxT("Scroll Concurrency: ");
if (dbInf.scrollConcurrency & SQL_SCCO_READ_ONLY)
cout << wxT("Read Only, ");
if (dbInf.scrollConcurrency & SQL_SCCO_LOCK)
cout << wxT("Lock, ");
if (dbInf.scrollConcurrency & SQL_SCCO_OPT_ROWVER)
cout << wxT("Opt. Rowver, ");
if (dbInf.scrollConcurrency & SQL_SCCO_OPT_VALUES)
cout << wxT("Opt. Values");
cout << endl;
cout << wxT("Scroll Options: ");
if (dbInf.scrollOptions & SQL_SO_FORWARD_ONLY)
cout << wxT("Fwd Only, ");
if (dbInf.scrollOptions & SQL_SO_STATIC)
cout << wxT("Static, ");
if (dbInf.scrollOptions & SQL_SO_KEYSET_DRIVEN)
cout << wxT("Keyset Driven, ");
if (dbInf.scrollOptions & SQL_SO_DYNAMIC)
cout << wxT("Dynamic, ");
if (dbInf.scrollOptions & SQL_SO_MIXED)
cout << wxT("Mixed");
cout << endl;
cout << wxT("Static Sensitivity: ");
if (dbInf.staticSensitivity & SQL_SS_ADDITIONS)
cout << wxT("Additions, ");
if (dbInf.staticSensitivity & SQL_SS_DELETIONS)
cout << wxT("Deletions, ");
if (dbInf.staticSensitivity & SQL_SS_UPDATES)
cout << wxT("Updates");
cout << endl;
cout << wxT("Transaction Capable?: ");
switch(dbInf.txnCapable)
{
case SQL_TC_NONE: cout << wxT("No"); break;
case SQL_TC_DML: cout << wxT("DML Only"); break;
case SQL_TC_DDL_COMMIT: cout << wxT("DDL Commit"); break;
case SQL_TC_DDL_IGNORE: cout << wxT("DDL Ignore"); break;
case SQL_TC_ALL: cout << wxT("DDL & DML"); break;
}
cout << endl;
cout << endl;
#endif
// Completed Successfully
return(TRUE);
} // wxDb::getDbInfo()
/********** wxDb::getDataTypeInfo() **********/
bool wxDb::getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo)
{
/*
* fSqlType will be something like SQL_VARCHAR. This parameter determines
* the data type inf. is gathered for.
*
* wxDbSqlTypeInfo is a structure that is filled in with data type information,
*/
RETCODE retcode;
SDWORD cbRet;
// Get information about the data type specified
if (SQLGetTypeInfo(hstmt, fSqlType) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
// Fetch the record
retcode = SQLFetch(hstmt);
if (retcode != SQL_SUCCESS)
{
#ifdef DBDEBUG_CONSOLE
if (retcode == SQL_NO_DATA_FOUND)
cout << wxT("SQL_NO_DATA_FOUND fetching inf. about data type.") << endl;
#endif
DispAllErrors(henv, hdbc, hstmt);
SQLFreeStmt(hstmt, SQL_CLOSE);
return(FALSE);
}
wxChar typeName[DB_TYPE_NAME_LEN+1];
// Obtain columns from the record
if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) typeName, DB_TYPE_NAME_LEN, &cbRet) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
structSQLTypeInfo.TypeName = typeName;
// BJO 20000503: no more needed with new GetColumns...
#if OLD_GETCOLUMNS
// BJO 991209
if (Dbms() == dbmsMY_SQL)
{
if (structSQLTypeInfo.TypeName == wxT("middleint"))
structSQLTypeInfo.TypeName = wxT("mediumint");
else if (structSQLTypeInfo.TypeName == wxT("middleint unsigned"))
structSQLTypeInfo.TypeName = wxT("mediumint unsigned");
else if (structSQLTypeInfo.TypeName == wxT("integer"))
structSQLTypeInfo.TypeName = wxT("int");
else if (structSQLTypeInfo.TypeName == wxT("integer unsigned"))
structSQLTypeInfo.TypeName = wxT("int unsigned");
else if (structSQLTypeInfo.TypeName == wxT("middleint"))
structSQLTypeInfo.TypeName = wxT("mediumint");
else if (structSQLTypeInfo.TypeName == wxT("varchar"))
structSQLTypeInfo.TypeName = wxT("char");
}
// BJO 20000427 : OpenLink driver
if (!wxStrncmp(dbInf.driverName, wxT("oplodbc"), 7) ||
!wxStrncmp(dbInf.driverName, wxT("OLOD"), 4))
{
if (structSQLTypeInfo.TypeName == wxT("double precision"))
structSQLTypeInfo.TypeName = wxT("real");
}
#endif
if (SQLGetData(hstmt, 3, SQL_C_LONG, (UCHAR*) &structSQLTypeInfo.Precision, 0, &cbRet) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
if (SQLGetData(hstmt, 8, SQL_C_SHORT, (UCHAR*) &structSQLTypeInfo.CaseSensitive, 0, &cbRet) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
// if (SQLGetData(hstmt, 14, SQL_C_SHORT, (UCHAR*) &structSQLTypeInfo.MinimumScale, 0, &cbRet) != SQL_SUCCESS)
// return(DispAllErrors(henv, hdbc, hstmt));
if (SQLGetData(hstmt, 15, SQL_C_SHORT,(UCHAR*) &structSQLTypeInfo.MaximumScale, 0, &cbRet) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
if (structSQLTypeInfo.MaximumScale < 0)
structSQLTypeInfo.MaximumScale = 0;
// Close the statement handle which closes open cursors
if (SQLFreeStmt(hstmt, SQL_CLOSE) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
// Completed Successfully
return(TRUE);
} // wxDb::getDataTypeInfo()
/********** wxDb::Close() **********/
void wxDb::Close(void)
{
// Close the Sql Log file
if (fpSqlLog)
{
fclose(fpSqlLog);
fpSqlLog = 0;
}
// Free statement handle
if (dbIsOpen)
{
if (SQLFreeStmt(hstmt, SQL_DROP) != SQL_SUCCESS)
DispAllErrors(henv, hdbc);
}
// Disconnect from the datasource
if (SQLDisconnect(hdbc) != SQL_SUCCESS)
DispAllErrors(henv, hdbc);
// Free the connection to the datasource
if (SQLFreeConnect(hdbc) != SQL_SUCCESS)
DispAllErrors(henv, hdbc);
// There should be zero Ctable objects still connected to this db object
wxASSERT(nTables == 0);
#ifdef __WXDEBUG__
wxTablesInUse *tiu;
wxNode *pNode;
pNode = TablesInUse.GetFirst();
wxString s,s2;
while (pNode)
{
tiu = (wxTablesInUse *)pNode->GetData();
if (tiu->pDb == this)
{
s.Printf(wxT("(%-20s) tableID:[%6lu] pDb:[%p]"), tiu->tableName,tiu->tableID,tiu->pDb);
s2.Printf(wxT("Orphaned table found using pDb:[%p]"),this);
wxLogDebug(s.c_str(),s2.c_str());
}
pNode = pNode->GetNext();
}
#endif
// Copy the error messages to a global variable
int i;
for (i = 0; i < DB_MAX_ERROR_HISTORY; i++)
wxStrcpy(DBerrorList[i], errorList[i]);
dbmsType = dbmsUNIDENTIFIED;
dbIsOpen = FALSE;
} // wxDb::Close()
/********** wxDb::CommitTrans() **********/
bool wxDb::CommitTrans(void)
{
if (this)
{
// Commit the transaction
if (SQLTransact(henv, hdbc, SQL_COMMIT) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
}
// Completed successfully
return(TRUE);
} // wxDb::CommitTrans()
/********** wxDb::RollbackTrans() **********/
bool wxDb::RollbackTrans(void)
{
// Rollback the transaction
if (SQLTransact(henv, hdbc, SQL_ROLLBACK) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
// Completed successfully
return(TRUE);
} // wxDb::RollbackTrans()
/********** wxDb::DispAllErrors() **********/
bool wxDb::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
/*
* This function is called internally whenever an error condition prevents the user's
* request from being executed. This function will query the datasource as to the
* actual error(s) that just occured on the previous request of the datasource.
*
* The function will retrieve each error condition from the datasource and
* Printf the codes/text values into a string which it then logs via logError().
* If in DBDEBUG_CONSOLE mode, the constructed string will be displayed in the console
* window and program execution will be paused until the user presses a key.
*
* This function always returns a FALSE, so that functions which call this function
* can have a line like "return (DispAllErrors(henv, hdbc));" to indicate the failure
* of the users request, so that the calling code can then process the error msg log
*/
{
wxString odbcErrMsg;
while (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)
{
odbcErrMsg.Printf(wxT("SQL State = %s\nNative Error Code = %li\nError Message = %s\n"), sqlState, nativeError, errorMsg);
logError(odbcErrMsg, sqlState);
if (!silent)
{
#ifdef DBDEBUG_CONSOLE
// When run in console mode, use standard out to display errors.
cout << odbcErrMsg.c_str() << endl;
cout << wxT("Press any key to continue...") << endl;
getchar();
#endif
#ifdef __WXDEBUG__
wxLogDebug(odbcErrMsg,wxT("ODBC DEBUG MESSAGE from DispAllErrors()"));
#endif
}
}
return(FALSE); // This function always returns FALSE.
} // wxDb::DispAllErrors()
/********** wxDb::GetNextError() **********/
bool wxDb::GetNextError(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
{
if (SQLError(aHenv, aHdbc, aHstmt, (SQLTCHAR FAR *) sqlState, &nativeError, (SQLTCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)
return(TRUE);
else
return(FALSE);
} // wxDb::GetNextError()
/********** wxDb::DispNextError() **********/
void wxDb::DispNextError(void)
{
wxString odbcErrMsg;
odbcErrMsg.Printf(wxT("SQL State = %s\nNative Error Code = %li\nError Message = %s\n"), sqlState, nativeError, errorMsg);
logError(odbcErrMsg, sqlState);
if (silent)
return;
#ifdef DBDEBUG_CONSOLE
// When run in console mode, use standard out to display errors.
cout << odbcErrMsg.c_str() << endl;
cout << wxT("Press any key to continue...") << endl;
getchar();
#endif
#ifdef __WXDEBUG__
wxLogDebug(odbcErrMsg,wxT("ODBC DEBUG MESSAGE"));
#endif // __WXDEBUG__
} // wxDb::DispNextError()
/********** wxDb::logError() **********/
void wxDb::logError(const wxString &errMsg, const wxString &SQLState)
{
wxASSERT(errMsg.Length());
static int pLast = -1;
int dbStatus;
if (++pLast == DB_MAX_ERROR_HISTORY)
{
int i;
for (i = 0; i < DB_MAX_ERROR_HISTORY; i++)
wxStrcpy(errorList[i], errorList[i+1]);
pLast--;
}
wxStrcpy(errorList[pLast], errMsg);
if (SQLState.Length())
if ((dbStatus = TranslateSqlState(SQLState)) != DB_ERR_FUNCTION_SEQUENCE_ERROR)
DB_STATUS = dbStatus;
// Add the errmsg to the sql log
WriteSqlLog(errMsg);
} // wxDb::logError()
/**********wxDb::TranslateSqlState() **********/
int wxDb::TranslateSqlState(const wxString &SQLState)
{
if (!wxStrcmp(SQLState, wxT("01000")))
return(DB_ERR_GENERAL_WARNING);
if (!wxStrcmp(SQLState, wxT("01002")))
return(DB_ERR_DISCONNECT_ERROR);
if (!wxStrcmp(SQLState, wxT("01004")))
return(DB_ERR_DATA_TRUNCATED);
if (!wxStrcmp(SQLState, wxT("01006")))
return(DB_ERR_PRIV_NOT_REVOKED);
if (!wxStrcmp(SQLState, wxT("01S00")))
return(DB_ERR_INVALID_CONN_STR_ATTR);
if (!wxStrcmp(SQLState, wxT("01S01")))
return(DB_ERR_ERROR_IN_ROW);
if (!wxStrcmp(SQLState, wxT("01S02")))
return(DB_ERR_OPTION_VALUE_CHANGED);
if (!wxStrcmp(SQLState, wxT("01S03")))
return(DB_ERR_NO_ROWS_UPD_OR_DEL);
if (!wxStrcmp(SQLState, wxT("01S04")))
return(DB_ERR_MULTI_ROWS_UPD_OR_DEL);
if (!wxStrcmp(SQLState, wxT("07001")))
return(DB_ERR_WRONG_NO_OF_PARAMS);
if (!wxStrcmp(SQLState, wxT("07006")))
return(DB_ERR_DATA_TYPE_ATTR_VIOL);
if (!wxStrcmp(SQLState, wxT("08001")))
return(DB_ERR_UNABLE_TO_CONNECT);
if (!wxStrcmp(SQLState, wxT("08002")))
return(DB_ERR_CONNECTION_IN_USE);
if (!wxStrcmp(SQLState, wxT("08003")))
return(DB_ERR_CONNECTION_NOT_OPEN);
if (!wxStrcmp(SQLState, wxT("08004")))
return(DB_ERR_REJECTED_CONNECTION);
if (!wxStrcmp(SQLState, wxT("08007")))
return(DB_ERR_CONN_FAIL_IN_TRANS);
if (!wxStrcmp(SQLState, wxT("08S01")))
return(DB_ERR_COMM_LINK_FAILURE);
if (!wxStrcmp(SQLState, wxT("21S01")))
return(DB_ERR_INSERT_VALUE_LIST_MISMATCH);
if (!wxStrcmp(SQLState, wxT("21S02")))
return(DB_ERR_DERIVED_TABLE_MISMATCH);
if (!wxStrcmp(SQLState, wxT("22001")))
return(DB_ERR_STRING_RIGHT_TRUNC);
if (!wxStrcmp(SQLState, wxT("22003")))
return(DB_ERR_NUMERIC_VALUE_OUT_OF_RNG);
if (!wxStrcmp(SQLState, wxT("22005")))
return(DB_ERR_ERROR_IN_ASSIGNMENT);
if (!wxStrcmp(SQLState, wxT("22008")))
return(DB_ERR_DATETIME_FLD_OVERFLOW);
if (!wxStrcmp(SQLState, wxT("22012")))
return(DB_ERR_DIVIDE_BY_ZERO);
if (!wxStrcmp(SQLState, wxT("22026")))
return(DB_ERR_STR_DATA_LENGTH_MISMATCH);
if (!wxStrcmp(SQLState, wxT("23000")))
return(DB_ERR_INTEGRITY_CONSTRAINT_VIOL);
if (!wxStrcmp(SQLState, wxT("24000")))
return(DB_ERR_INVALID_CURSOR_STATE);
if (!wxStrcmp(SQLState, wxT("25000")))
return(DB_ERR_INVALID_TRANS_STATE);
if (!wxStrcmp(SQLState, wxT("28000")))
return(DB_ERR_INVALID_AUTH_SPEC);
if (!wxStrcmp(SQLState, wxT("34000")))
return(DB_ERR_INVALID_CURSOR_NAME);
if (!wxStrcmp(SQLState, wxT("37000")))
return(DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL);
if (!wxStrcmp(SQLState, wxT("3C000")))
return(DB_ERR_DUPLICATE_CURSOR_NAME);
if (!wxStrcmp(SQLState, wxT("40001")))
return(DB_ERR_SERIALIZATION_FAILURE);
if (!wxStrcmp(SQLState, wxT("42000")))
return(DB_ERR_SYNTAX_ERROR_OR_ACCESS_VIOL2);
if (!wxStrcmp(SQLState, wxT("70100")))
return(DB_ERR_OPERATION_ABORTED);
if (!wxStrcmp(SQLState, wxT("IM001")))
return(DB_ERR_UNSUPPORTED_FUNCTION);
if (!wxStrcmp(SQLState, wxT("IM002")))
return(DB_ERR_NO_DATA_SOURCE);
if (!wxStrcmp(SQLState, wxT("IM003")))
return(DB_ERR_DRIVER_LOAD_ERROR);
if (!wxStrcmp(SQLState, wxT("IM004")))
return(DB_ERR_SQLALLOCENV_FAILED);
if (!wxStrcmp(SQLState, wxT("IM005")))
return(DB_ERR_SQLALLOCCONNECT_FAILED);
if (!wxStrcmp(SQLState, wxT("IM006")))
return(DB_ERR_SQLSETCONNECTOPTION_FAILED);
if (!wxStrcmp(SQLState, wxT("IM007")))
return(DB_ERR_NO_DATA_SOURCE_DLG_PROHIB);
if (!wxStrcmp(SQLState, wxT("IM008")))
return(DB_ERR_DIALOG_FAILED);
if (!wxStrcmp(SQLState, wxT("IM009")))
return(DB_ERR_UNABLE_TO_LOAD_TRANSLATION_DLL);
if (!wxStrcmp(SQLState, wxT("IM010")))
return(DB_ERR_DATA_SOURCE_NAME_TOO_LONG);
if (!wxStrcmp(SQLState, wxT("IM011")))
return(DB_ERR_DRIVER_NAME_TOO_LONG);
if (!wxStrcmp(SQLState, wxT("IM012")))
return(DB_ERR_DRIVER_KEYWORD_SYNTAX_ERROR);
if (!wxStrcmp(SQLState, wxT("IM013")))
return(DB_ERR_TRACE_FILE_ERROR);
if (!wxStrcmp(SQLState, wxT("S0001")))
return(DB_ERR_TABLE_OR_VIEW_ALREADY_EXISTS);
if (!wxStrcmp(SQLState, wxT("S0002")))
return(DB_ERR_TABLE_NOT_FOUND);
if (!wxStrcmp(SQLState, wxT("S0011")))
return(DB_ERR_INDEX_ALREADY_EXISTS);
if (!wxStrcmp(SQLState, wxT("S0012")))
return(DB_ERR_INDEX_NOT_FOUND);
if (!wxStrcmp(SQLState, wxT("S0021")))
return(DB_ERR_COLUMN_ALREADY_EXISTS);
if (!wxStrcmp(SQLState, wxT("S0022")))
return(DB_ERR_COLUMN_NOT_FOUND);
if (!wxStrcmp(SQLState, wxT("S0023")))
return(DB_ERR_NO_DEFAULT_FOR_COLUMN);
if (!wxStrcmp(SQLState, wxT("S1000")))
return(DB_ERR_GENERAL_ERROR);
if (!wxStrcmp(SQLState, wxT("S1001")))
return(DB_ERR_MEMORY_ALLOCATION_FAILURE);
if (!wxStrcmp(SQLState, wxT("S1002")))
return(DB_ERR_INVALID_COLUMN_NUMBER);
if (!wxStrcmp(SQLState, wxT("S1003")))
return(DB_ERR_PROGRAM_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1004")))
return(DB_ERR_SQL_DATA_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1008")))
return(DB_ERR_OPERATION_CANCELLED);
if (!wxStrcmp(SQLState, wxT("S1009")))
return(DB_ERR_INVALID_ARGUMENT_VALUE);
if (!wxStrcmp(SQLState, wxT("S1010")))
return(DB_ERR_FUNCTION_SEQUENCE_ERROR);
if (!wxStrcmp(SQLState, wxT("S1011")))
return(DB_ERR_OPERATION_INVALID_AT_THIS_TIME);
if (!wxStrcmp(SQLState, wxT("S1012")))
return(DB_ERR_INVALID_TRANS_OPERATION_CODE);
if (!wxStrcmp(SQLState, wxT("S1015")))
return(DB_ERR_NO_CURSOR_NAME_AVAIL);
if (!wxStrcmp(SQLState, wxT("S1090")))
return(DB_ERR_INVALID_STR_OR_BUF_LEN);
if (!wxStrcmp(SQLState, wxT("S1091")))
return(DB_ERR_DESCRIPTOR_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1092")))
return(DB_ERR_OPTION_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1093")))
return(DB_ERR_INVALID_PARAM_NO);
if (!wxStrcmp(SQLState, wxT("S1094")))
return(DB_ERR_INVALID_SCALE_VALUE);
if (!wxStrcmp(SQLState, wxT("S1095")))
return(DB_ERR_FUNCTION_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1096")))
return(DB_ERR_INF_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1097")))
return(DB_ERR_COLUMN_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1098")))
return(DB_ERR_SCOPE_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1099")))
return(DB_ERR_NULLABLE_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1100")))
return(DB_ERR_UNIQUENESS_OPTION_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1101")))
return(DB_ERR_ACCURACY_OPTION_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1103")))
return(DB_ERR_DIRECTION_OPTION_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1104")))
return(DB_ERR_INVALID_PRECISION_VALUE);
if (!wxStrcmp(SQLState, wxT("S1105")))
return(DB_ERR_INVALID_PARAM_TYPE);
if (!wxStrcmp(SQLState, wxT("S1106")))
return(DB_ERR_FETCH_TYPE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1107")))
return(DB_ERR_ROW_VALUE_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1108")))
return(DB_ERR_CONCURRENCY_OPTION_OUT_OF_RANGE);
if (!wxStrcmp(SQLState, wxT("S1109")))
return(DB_ERR_INVALID_CURSOR_POSITION);
if (!wxStrcmp(SQLState, wxT("S1110")))
return(DB_ERR_INVALID_DRIVER_COMPLETION);
if (!wxStrcmp(SQLState, wxT("S1111")))
return(DB_ERR_INVALID_BOOKMARK_VALUE);
if (!wxStrcmp(SQLState, wxT("S1C00")))
return(DB_ERR_DRIVER_NOT_CAPABLE);
if (!wxStrcmp(SQLState, wxT("S1T00")))
return(DB_ERR_TIMEOUT_EXPIRED);
// No match
return(0);
} // wxDb::TranslateSqlState()
/********** wxDb::Grant() **********/
bool wxDb::Grant(int privileges, const wxString &tableName, const wxString &userList)
{
wxString sqlStmt;
// Build the grant statement
sqlStmt = wxT("GRANT ");
if (privileges == DB_GRANT_ALL)
sqlStmt += wxT("ALL");
else
{
int c = 0;
if (privileges & DB_GRANT_SELECT)
{
sqlStmt += wxT("SELECT");
c++;
}
if (privileges & DB_GRANT_INSERT)
{
if (c++)
sqlStmt += wxT(", ");
sqlStmt += wxT("INSERT");
}
if (privileges & DB_GRANT_UPDATE)
{
if (c++)
sqlStmt += wxT(", ");
sqlStmt += wxT("UPDATE");
}
if (privileges & DB_GRANT_DELETE)
{
if (c++)
sqlStmt += wxT(", ");
sqlStmt += wxT("DELETE");
}
}
sqlStmt += wxT(" ON ");
sqlStmt += SQLTableName(tableName);
sqlStmt += wxT(" TO ");
sqlStmt += userList;
#ifdef DBDEBUG_CONSOLE
cout << endl << sqlStmt.c_str() << endl;
#endif
WriteSqlLog(sqlStmt);
return(ExecSql(sqlStmt));
} // wxDb::Grant()
/********** wxDb::CreateView() **********/
bool wxDb::CreateView(const wxString &viewName, const wxString &colList,
const wxString &pSqlStmt, bool attemptDrop)
{
wxString sqlStmt;
// Drop the view first
if (attemptDrop && !DropView(viewName))
return FALSE;
// Build the create view statement
sqlStmt = wxT("CREATE VIEW ");
sqlStmt += viewName;
if (colList.Length())
{
sqlStmt += wxT(" (");
sqlStmt += colList;
sqlStmt += wxT(")");
}
sqlStmt += wxT(" AS ");
sqlStmt += pSqlStmt;
WriteSqlLog(sqlStmt);
#ifdef DBDEBUG_CONSOLE
cout << sqlStmt.c_str() << endl;
#endif
return(ExecSql(sqlStmt));
} // wxDb::CreateView()
/********** wxDb::DropView() **********/
bool wxDb::DropView(const wxString &viewName)
{
/*
* NOTE: This function returns TRUE if the View does not exist, but
* only for identified databases. Code will need to be added
* below for any other databases when those databases are defined
* to handle this situation consistently
*/
wxString sqlStmt;
sqlStmt.Printf(wxT("DROP VIEW %s"), viewName.c_str());
WriteSqlLog(sqlStmt);
#ifdef DBDEBUG_CONSOLE
cout << endl << sqlStmt.c_str() << endl;
#endif
if (SQLExecDirect(hstmt, (SQLTCHAR FAR *) sqlStmt.c_str(), SQL_NTS) != SQL_SUCCESS)
{
// Check for "Base table not found" error and ignore
GetNextError(henv, hdbc, hstmt);
if (wxStrcmp(sqlState,wxT("S0002"))) // "Base table not found"
{
// Check for product specific error codes
if (!((Dbms() == dbmsSYBASE_ASA && !wxStrcmp(sqlState,wxT("42000"))))) // 5.x (and lower?)
{
DispNextError();
DispAllErrors(henv, hdbc, hstmt);
RollbackTrans();
return(FALSE);
}
}
}
// Commit the transaction
if (!CommitTrans())
return(FALSE);
return TRUE;
} // wxDb::DropView()
/********** wxDb::ExecSql() **********/
bool wxDb::ExecSql(const wxString &pSqlStmt)
{
RETCODE retcode;
SQLFreeStmt(hstmt, SQL_CLOSE);
retcode = SQLExecDirect(hstmt, (SQLTCHAR FAR *) pSqlStmt.c_str(), SQL_NTS);
if (retcode == SQL_SUCCESS ||
(Dbms() == dbmsDB2 && (retcode == SQL_SUCCESS_WITH_INFO || retcode == SQL_NO_DATA_FOUND)))
{
return(TRUE);
}
else
{
DispAllErrors(henv, hdbc, hstmt);
return(FALSE);
}
} // wxDb::ExecSql()
/********** wxDb::GetNext() **********/
bool wxDb::GetNext(void)
{
if (SQLFetch(hstmt) == SQL_SUCCESS)
return(TRUE);
else
{
DispAllErrors(henv, hdbc, hstmt);
return(FALSE);
}
} // wxDb::GetNext()
/********** wxDb::GetData() **********/
bool wxDb::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned)
{
wxASSERT(pData);
wxASSERT(cbReturned);
if (SQLGetData(hstmt, colNo, cType, pData, maxLen, cbReturned) == SQL_SUCCESS)
return(TRUE);
else
{
DispAllErrors(henv, hdbc, hstmt);
return(FALSE);
}
} // wxDb::GetData()
/********** wxDb::GetKeyFields() **********/
int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, UWORD noCols)
{
wxChar szPkTable[DB_MAX_TABLE_NAME_LEN+1]; /* Primary key table name */
wxChar szFkTable[DB_MAX_TABLE_NAME_LEN+1]; /* Foreign key table name */
short iKeySeq;
// SQLSMALLINT iKeySeq;
wxChar szPkCol[DB_MAX_COLUMN_NAME_LEN+1]; /* Primary key column */
wxChar szFkCol[DB_MAX_COLUMN_NAME_LEN+1]; /* Foreign key column */
SQLRETURN retcode;
SDWORD cb;
SWORD i;
wxString tempStr;
/*
* -----------------------------------------------------------------------
* -- 19991224 : mj10777 : Create ------
* -- : Three things are done and stored here : ------
* -- : 1) which Column(s) is/are Primary Key(s) ------
* -- : 2) which tables use this Key as a Foreign Key ------
* -- : 3) which columns are Foreign Key and the name ------
* -- : of the Table where the Key is the Primary Key -----
* -- : Called from GetColumns(const wxString &tableName, ------
* -- int *numCols,const wxChar *userID ) ------
* -----------------------------------------------------------------------
*/
/*---------------------------------------------------------------------*/
/* Get the names of the columns in the primary key. */
/*---------------------------------------------------------------------*/
retcode = SQLPrimaryKeys(hstmt,
NULL, 0, /* Catalog name */
NULL, 0, /* Schema name */
(SQLTCHAR FAR *) tableName.c_str(), SQL_NTS); /* Table name */
/*---------------------------------------------------------------------*/
/* Fetch and display the result set. This will be a list of the */
/* columns in the primary key of the tableName table. */
/*---------------------------------------------------------------------*/
while ((retcode == SQL_SUCCESS) || (retcode == SQL_SUCCESS_WITH_INFO))
{
retcode = SQLFetch(hstmt);
if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
{
GetData( 4, SQL_C_CHAR, szPkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb);
GetData( 5, SQL_C_SSHORT, &iKeySeq, 0, &cb);
//-------
for (i=0;i<noCols;i++) // Find the Column name
if (!wxStrcmp(colInf[i].colName,szPkCol)) // We have found the Column
colInf[i].PkCol = iKeySeq; // Which Primary Key is this (first, second usw.) ?
} // if
} // while
SQLFreeStmt(hstmt, SQL_CLOSE); /* Close the cursor (the hstmt is still allocated). */
/*---------------------------------------------------------------------*/
/* Get all the foreign keys that refer to tableName primary key. */
/*---------------------------------------------------------------------*/
retcode = SQLForeignKeys(hstmt,
NULL, 0, /* Primary catalog */
NULL, 0, /* Primary schema */
(SQLTCHAR FAR *)tableName.c_str(), SQL_NTS,/* Primary table */
NULL, 0, /* Foreign catalog */
NULL, 0, /* Foreign schema */
NULL, 0); /* Foreign table */
/*---------------------------------------------------------------------*/
/* Fetch and display the result set. This will be all of the foreign */
/* keys in other tables that refer to the tableName primary key. */
/*---------------------------------------------------------------------*/
tempStr.Empty();
szPkCol[0] = 0;
while ((retcode == SQL_SUCCESS) || (retcode == SQL_SUCCESS_WITH_INFO))
{
retcode = SQLFetch(hstmt);
if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
{
GetData( 3, SQL_C_CHAR, szPkTable, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData( 4, SQL_C_CHAR, szPkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb);
GetData( 5, SQL_C_SSHORT, &iKeySeq, 0, &cb);
GetData( 7, SQL_C_CHAR, szFkTable, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData( 8, SQL_C_CHAR, szFkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb);
tempStr.Printf(wxT("%s[%s] "),tempStr.c_str(),szFkTable); // [ ] in case there is a blank in the Table name
} // if
} // while
tempStr.Trim(); // Get rid of any unneeded blanks
if (!tempStr.IsEmpty())
{
for (i=0; i<noCols; i++)
{ // Find the Column name
if (!wxStrcmp(colInf[i].colName, szPkCol)) // We have found the Column, store the Information
wxStrcpy(colInf[i].PkTableName, tempStr.c_str()); // Name of the Tables where this Primary Key is used as a Foreign Key
}
} // if
SQLFreeStmt(hstmt, SQL_CLOSE); /* Close the cursor (the hstmt is still allocated). */
/*---------------------------------------------------------------------*/
/* Get all the foreign keys in the tablename table. */
/*---------------------------------------------------------------------*/
retcode = SQLForeignKeys(hstmt,
NULL, 0, /* Primary catalog */
NULL, 0, /* Primary schema */
NULL, 0, /* Primary table */
NULL, 0, /* Foreign catalog */
NULL, 0, /* Foreign schema */
(SQLTCHAR *)tableName.c_str(), SQL_NTS);/* Foreign table */
/*---------------------------------------------------------------------*/
/* Fetch and display the result set. This will be all of the */
/* primary keys in other tables that are referred to by foreign */
/* keys in the tableName table. */
/*---------------------------------------------------------------------*/
while ((retcode == SQL_SUCCESS) || (retcode == SQL_SUCCESS_WITH_INFO))
{
retcode = SQLFetch(hstmt);
if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
{
GetData( 3, SQL_C_CHAR, szPkTable, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData( 5, SQL_C_SSHORT, &iKeySeq, 0, &cb);
GetData( 8, SQL_C_CHAR, szFkCol, DB_MAX_COLUMN_NAME_LEN+1, &cb);
//-------
for (i=0; i<noCols; i++) // Find the Column name
{
if (!wxStrcmp(colInf[i].colName,szFkCol)) // We have found the (Foreign Key) Column
{
colInf[i].FkCol = iKeySeq; // Which Foreign Key is this (first, second usw.) ?
wxStrcpy(colInf[i].FkTableName,szPkTable); // Name of the Table where this Foriegn is the Primary Key
} // if
} // for
} // if
} // while
SQLFreeStmt(hstmt, SQL_CLOSE); /* Close the cursor (the hstmt is still allocated). */
return TRUE;
} // wxDb::GetKeyFields()
#if OLD_GETCOLUMNS
/********** wxDb::GetColumns() **********/
wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
/*
* 1) The last array element of the tableName[] argument must be zero (null).
* This is how the end of the array is detected.
* 2) This function returns an array of wxDbColInf structures. If no columns
* were found, or an error occured, this pointer will be zero (null). THE
* CALLING FUNCTION IS RESPONSIBLE FOR DELETING THE MEMORY RETURNED WHEN IT
* IS FINISHED WITH IT. i.e.
*
* wxDbColInf *colInf = pDb->GetColumns(tableList, userID);
* if (colInf)
* {
* // Use the column inf
* .......
* // Destroy the memory
* delete [] colInf;
* }
*
* userID is evaluated in the following manner:
* userID == NULL ... UserID is ignored
* userID == "" ... UserID set equal to 'this->uid'
* userID != "" ... UserID set equal to 'userID'
*
* NOTE: ALL column bindings associated with this wxDb instance are unbound
* by this function. This function should use its own wxDb instance
* to avoid undesired unbinding of columns.
*/
{
UWORD noCols = 0;
UWORD colNo = 0;
wxDbColInf *colInf = 0;
RETCODE retcode;
SDWORD cb;
wxString TableName;
wxString UserID;
convertUserID(userID,UserID);
// Pass 1 - Determine how many columns there are.
// Pass 2 - Allocate the wxDbColInf array and fill in
// the array with the column information.
int pass;
for (pass = 1; pass <= 2; pass++)
{
if (pass == 2)
{
if (noCols == 0) // Probably a bogus table name(s)
break;
// Allocate n wxDbColInf objects to hold the column information
colInf = new wxDbColInf[noCols+1];
if (!colInf)
break;
// Mark the end of the array
wxStrcpy(colInf[noCols].tableName,wxEmptyString);
wxStrcpy(colInf[noCols].colName,wxEmptyString);
colInf[noCols].sqlDataType = 0;
}
// Loop through each table name
int tbl;
for (tbl = 0; tableName[tbl]; tbl++)
{
TableName = tableName[tbl];
// Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
if ((Dbms() == dbmsORACLE) ||
(Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
SQLFreeStmt(hstmt, SQL_CLOSE);
// MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
// use the call below that leaves out the user name
if (!UserID.IsEmpty() &&
Dbms() != dbmsMY_SQL &&
Dbms() != dbmsACCESS &&
Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
(SQLTCHAR *) UserID.c_str(), SQL_NTS, // Owner
(SQLTCHAR *) TableName.c_str(), SQL_NTS,
NULL, 0); // All columns
}
else
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
NULL, 0, // Owner
(SQLTCHAR *) TableName.c_str(), SQL_NTS,
NULL, 0); // All columns
}
if (retcode != SQL_SUCCESS)
{ // Error occured, abort
DispAllErrors(henv, hdbc, hstmt);
if (colInf)
delete [] colInf;
SQLFreeStmt(hstmt, SQL_CLOSE);
return(0);
}
while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
{
if (pass == 1) // First pass, just add up the number of columns
noCols++;
else // Pass 2; Fill in the array of structures
{
if (colNo < noCols) // Some extra error checking to prevent memory overwrites
{
// NOTE: Only the ODBC 1.x fields are retrieved
GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb);
GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb);
GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb);
GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb);
GetData( 6, SQL_C_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb);
GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
GetData( 8, SQL_C_SLONG, (UCHAR*) &colInf[colNo].bufferLength, 0, &cb);
GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb);
GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
// Determine the wxDb data type that is used to represent the native data type of this data source
colInf[colNo].dbDataType = 0;
if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName))
{
#ifdef _IODBC_
// IODBC does not return a correct columnSize, so we set
// columnSize = bufferLength if no column size was returned
// IODBC returns the columnSize in bufferLength.. (bug)
if (colInf[colNo].columnSize < 1)
{
colInf[colNo].columnSize = colInf[colNo].bufferLength;
}
#endif
colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
}
else if (!wxStricmp(typeInfInteger.TypeName, colInf[colNo].typeName))
colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
else if (!wxStricmp(typeInfFloat.TypeName, colInf[colNo].typeName))
colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
else if (!wxStricmp(typeInfDate.TypeName, colInf[colNo].typeName))
colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
else if (!wxStricmp(typeInfBlob.TypeName, colInf[colNo].typeName))
colInf[colNo].dbDataType = DB_DATA_TYPE_BLOB;
colNo++;
}
}
}
if (retcode != SQL_NO_DATA_FOUND)
{ // Error occured, abort
DispAllErrors(henv, hdbc, hstmt);
if (colInf)
delete [] colInf;
SQLFreeStmt(hstmt, SQL_CLOSE);
return(0);
}
}
}
SQLFreeStmt(hstmt, SQL_CLOSE);
return colInf;
} // wxDb::GetColumns()
/********** wxDb::GetColumns() **********/
wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wxChar *userID)
//
// Same as the above GetColumns() function except this one gets columns
// only for a single table, and if 'numCols' is not NULL, the number of
// columns stored in the returned wxDbColInf is set in '*numCols'
//
// userID is evaluated in the following manner:
// userID == NULL ... UserID is ignored
// userID == "" ... UserID set equal to 'this->uid'
// userID != "" ... UserID set equal to 'userID'
//
// NOTE: ALL column bindings associated with this wxDb instance are unbound
// by this function. This function should use its own wxDb instance
// to avoid undesired unbinding of columns.
{
UWORD noCols = 0;
UWORD colNo = 0;
wxDbColInf *colInf = 0;
RETCODE retcode;
SDWORD cb;
wxString TableName;
wxString UserID;
convertUserID(userID,UserID);
// Pass 1 - Determine how many columns there are.
// Pass 2 - Allocate the wxDbColInf array and fill in
// the array with the column information.
int pass;
for (pass = 1; pass <= 2; pass++)
{
if (pass == 2)
{
if (noCols == 0) // Probably a bogus table name(s)
break;
// Allocate n wxDbColInf objects to hold the column information
colInf = new wxDbColInf[noCols+1];
if (!colInf)
break;
// Mark the end of the array
wxStrcpy(colInf[noCols].tableName, wxEmptyString);
wxStrcpy(colInf[noCols].colName, wxEmptyString);
colInf[noCols].sqlDataType = 0;
}
TableName = tableName;
// Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
if ((Dbms() == dbmsORACLE) ||
(Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
SQLFreeStmt(hstmt, SQL_CLOSE);
// MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
// use the call below that leaves out the user name
if (!UserID.IsEmpty() &&
Dbms() != dbmsMY_SQL &&
Dbms() != dbmsACCESS &&
Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
(SQLTCHAR *) UserID.c_str(), SQL_NTS, // Owner
(SQLTCHAR *) TableName.c_str(), SQL_NTS,
NULL, 0); // All columns
}
else
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
NULL, 0, // Owner
(SQLTCHAR *) TableName.c_str(), SQL_NTS,
NULL, 0); // All columns
}
if (retcode != SQL_SUCCESS)
{ // Error occured, abort
DispAllErrors(henv, hdbc, hstmt);
if (colInf)
delete [] colInf;
SQLFreeStmt(hstmt, SQL_CLOSE);
if (numCols)
*numCols = 0;
return(0);
}
while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
{
if (pass == 1) // First pass, just add up the number of columns
noCols++;
else // Pass 2; Fill in the array of structures
{
if (colNo < noCols) // Some extra error checking to prevent memory overwrites
{
// NOTE: Only the ODBC 1.x fields are retrieved
GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb);
GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb);
GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb);
GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb);
GetData( 6, SQL_C_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb);
GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
// BJO 991214 : SQL_C_SSHORT instead of SQL_C_SLONG, otherwise fails on Sparc (probably all 64 bit architectures)
GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferLength, 0, &cb);
GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb);
GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
// Start Values for Primary/Foriegn Key (=No)
colInf[colNo].PkCol = 0; // Primary key column 0=No; 1= First Key, 2 = Second Key etc.
colInf[colNo].PkTableName[0] = 0; // Tablenames where Primary Key is used as a Foreign Key
colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc.
colInf[colNo].FkTableName[0] = 0; // Foreign key table name
// BJO 20000428 : Virtuoso returns type names with upper cases!
if (Dbms() == dbmsVIRTUOSO)
{
wxString s = colInf[colNo].typeName;
s = s.MakeLower();
wxStrcmp(colInf[colNo].typeName, s.c_str());
}
// Determine the wxDb data type that is used to represent the native data type of this data source
colInf[colNo].dbDataType = 0;
if (!wxStricmp(typeInfVarchar.TypeName, colInf[colNo].typeName))
{
#ifdef _IODBC_
// IODBC does not return a correct columnSize, so we set
// columnSize = bufferLength if no column size was returned
// IODBC returns the columnSize in bufferLength.. (bug)
if (colInf[colNo].columnSize < 1)
{
colInf[colNo].columnSize = colInf[colNo].bufferLength;
}
#endif
colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
}
else if (!wxStricmp(typeInfInteger.TypeName, colInf[colNo].typeName))
colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
else if (!wxStricmp(typeInfFloat.TypeName, colInf[colNo].typeName))
colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
else if (!wxStricmp(typeInfDate.TypeName, colInf[colNo].typeName))
colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
else if (!wxStricmp(typeInfBlob.TypeName, colInf[colNo].typeName))
colInf[colNo].dbDataType = DB_DATA_TYPE_BLOB;
colNo++;
}
}
}
if (retcode != SQL_NO_DATA_FOUND)
{ // Error occured, abort
DispAllErrors(henv, hdbc, hstmt);
if (colInf)
delete [] colInf;
SQLFreeStmt(hstmt, SQL_CLOSE);
if (numCols)
*numCols = 0;
return(0);
}
}
SQLFreeStmt(hstmt, SQL_CLOSE);
// Store Primary and Foriegn Keys
GetKeyFields(tableName,colInf,noCols);
if (numCols)
*numCols = noCols;
return colInf;
} // wxDb::GetColumns()
#else // New GetColumns
/*
BJO 20000503
These are tentative new GetColumns members which should be more database
independant and which always returns the columns in the order they were
created.
- The first one (wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const
wxChar* userID)) calls the second implementation for each separate table
before merging the results. This makes the code easier to maintain as
only one member (the second) makes the real work
- wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const
wxChar *userID) is a little bit improved
- It doesn't anymore rely on the type-name to find out which database-type
each column has
- It ends by sorting the columns, so that they are returned in the same
order they were created
*/
typedef struct
{
UWORD noCols;
wxDbColInf *colInf;
} _TableColumns;
wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
{
int i, j;
// The last array element of the tableName[] argument must be zero (null).
// This is how the end of the array is detected.
UWORD noCols = 0;
// How many tables ?
int tbl;
for (tbl = 0 ; tableName[tbl]; tbl++);
// Create a table to maintain the columns for each separate table
_TableColumns *TableColumns = new _TableColumns[tbl];
// Fill the table
for (i = 0 ; i < tbl ; i++)
{
TableColumns[i].colInf = GetColumns(tableName[i], &TableColumns[i].noCols, userID);
if (TableColumns[i].colInf == NULL)
return NULL;
noCols += TableColumns[i].noCols;
}
// Now merge all the separate table infos
wxDbColInf *colInf = new wxDbColInf[noCols+1];
// Mark the end of the array
wxStrcpy(colInf[noCols].tableName, wxEmptyString);
wxStrcpy(colInf[noCols].colName, wxEmptyString);
colInf[noCols].sqlDataType = 0;
// Merge ...
int offset = 0;
for (i = 0 ; i < tbl ; i++)
{
for (j = 0 ; j < TableColumns[i].noCols ; j++)
{
colInf[offset++] = TableColumns[i].colInf[j];
}
}
delete [] TableColumns;
return colInf;
} // wxDb::GetColumns() -- NEW
wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxChar *userID)
//
// Same as the above GetColumns() function except this one gets columns
// only for a single table, and if 'numCols' is not NULL, the number of
// columns stored in the returned wxDbColInf is set in '*numCols'
//
// userID is evaluated in the following manner:
// userID == NULL ... UserID is ignored
// userID == "" ... UserID set equal to 'this->uid'
// userID != "" ... UserID set equal to 'userID'
//
// NOTE: ALL column bindings associated with this wxDb instance are unbound
// by this function. This function should use its own wxDb instance
// to avoid undesired unbinding of columns.
{
UWORD noCols = 0;
UWORD colNo = 0;
wxDbColInf *colInf = 0;
RETCODE retcode;
SDWORD cb;
wxString TableName;
wxString UserID;
convertUserID(userID,UserID);
// Pass 1 - Determine how many columns there are.
// Pass 2 - Allocate the wxDbColInf array and fill in
// the array with the column information.
int pass;
for (pass = 1; pass <= 2; pass++)
{
if (pass == 2)
{
if (noCols == 0) // Probably a bogus table name(s)
break;
// Allocate n wxDbColInf objects to hold the column information
colInf = new wxDbColInf[noCols+1];
if (!colInf)
break;
// Mark the end of the array
wxStrcpy(colInf[noCols].tableName, wxEmptyString);
wxStrcpy(colInf[noCols].colName, wxEmptyString);
colInf[noCols].sqlDataType = 0;
}
TableName = tableName;
// Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
if ((Dbms() == dbmsORACLE) ||
(Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
SQLFreeStmt(hstmt, SQL_CLOSE);
// MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
// use the call below that leaves out the user name
if (!UserID.IsEmpty() &&
Dbms() != dbmsMY_SQL &&
Dbms() != dbmsACCESS &&
Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
(UCHAR *) UserID.c_str(), SQL_NTS, // Owner
(UCHAR *) TableName.c_str(), SQL_NTS,
NULL, 0); // All columns
}
else
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
NULL, 0, // Owner
(UCHAR *) TableName.c_str(), SQL_NTS,
NULL, 0); // All columns
}
if (retcode != SQL_SUCCESS)
{ // Error occured, abort
DispAllErrors(henv, hdbc, hstmt);
if (colInf)
delete [] colInf;
SQLFreeStmt(hstmt, SQL_CLOSE);
if (numCols)
*numCols = 0;
return(0);
}
while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
{
if (pass == 1) // First pass, just add up the number of columns
noCols++;
else // Pass 2; Fill in the array of structures
{
if (colNo < noCols) // Some extra error checking to prevent memory overwrites
{
// NOTE: Only the ODBC 1.x fields are retrieved
GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb);
GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb);
GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb);
GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb);
GetData( 6, SQL_C_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb);
GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferLength, 0, &cb);
GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb);
GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
// Start Values for Primary/Foriegn Key (=No)
colInf[colNo].PkCol = 0; // Primary key column 0=No; 1= First Key, 2 = Second Key etc.
colInf[colNo].PkTableName[0] = 0; // Tablenames where Primary Key is used as a Foreign Key
colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc.
colInf[colNo].FkTableName[0] = 0; // Foreign key table name
#ifdef _IODBC_
// IODBC does not return a correct columnSize, so we set
// columnSize = bufferLength if no column size was returned
// IODBC returns the columnSize in bufferLength.. (bug)
if (colInf[colNo].columnSize < 1)
{
colInf[colNo].columnSize = colInf[colNo].bufferLength;
}
#endif
// Determine the wxDb data type that is used to represent the native data type of this data source
colInf[colNo].dbDataType = 0;
// Get the intern datatype
switch (colInf[colNo].sqlDataType)
{
case SQL_VARCHAR:
case SQL_CHAR:
colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
break;
case SQL_TINYINT:
case SQL_SMALLINT:
case SQL_INTEGER:
colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
break;
case SQL_DOUBLE:
case SQL_DECIMAL:
case SQL_NUMERIC:
case SQL_FLOAT:
case SQL_REAL:
colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
break;
case SQL_DATE:
colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
break;
case SQL_BINARY:
colInf[colNo].dbDataType = DB_DATA_TYPE_BLOB;
break;
#ifdef __WXDEBUG__
default:
wxString errMsg;
errMsg.Printf(wxT("SQL Data type %d currently not supported by wxWidgets"), colInf[colNo].sqlDataType);
wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE"));
#endif
}
colNo++;
}
}
}
if (retcode != SQL_NO_DATA_FOUND)
{ // Error occured, abort
DispAllErrors(henv, hdbc, hstmt);
if (colInf)
delete [] colInf;
SQLFreeStmt(hstmt, SQL_CLOSE);
if (numCols)
*numCols = 0;
return(0);
}
}
SQLFreeStmt(hstmt, SQL_CLOSE);
// Store Primary and Foreign Keys
GetKeyFields(tableName,colInf,noCols);
///////////////////////////////////////////////////////////////////////////
// Now sort the the columns in order to make them appear in the right order
///////////////////////////////////////////////////////////////////////////
// Build a generic SELECT statement which returns 0 rows
wxString Stmt;
Stmt.Printf(wxT("select * from \"%s\" where 0=1"), tableName);
// Execute query
if (SQLExecDirect(hstmt, (UCHAR FAR *) Stmt.c_str(), SQL_NTS) != SQL_SUCCESS)
{
DispAllErrors(henv, hdbc, hstmt);
return NULL;
}
// Get the number of result columns
if (SQLNumResultCols (hstmt, &noCols) != SQL_SUCCESS)
{
DispAllErrors(henv, hdbc, hstmt);
return NULL;
}
if (noCols == 0) // Probably a bogus table name
return NULL;
// Get the name
int i;
short colNum;
UCHAR name[100];
SWORD Sword;
SDWORD Sdword;
for (colNum = 0; colNum < noCols; colNum++)
{
if (SQLColAttributes(hstmt,colNum+1, SQL_COLUMN_NAME,
name, sizeof(name),
&Sword, &Sdword) != SQL_SUCCESS)
{
DispAllErrors(henv, hdbc, hstmt);
return NULL;
}
wxString Name1 = name;
Name1 = Name1.Upper();
// Where is this name in the array ?
for (i = colNum ; i < noCols ; i++)
{
wxString Name2 = colInf[i].colName;
Name2 = Name2.Upper();
if (Name2 == Name1)
{
if (colNum != i) // swap to sort
{
wxDbColInf tmpColInf = colInf[colNum];
colInf[colNum] = colInf[i];
colInf[i] = tmpColInf;
}
break;
}
}
}
SQLFreeStmt(hstmt, SQL_CLOSE);
///////////////////////////////////////////////////////////////////////////
// End sorting
///////////////////////////////////////////////////////////////////////////
if (numCols)
*numCols = noCols;
return colInf;
} // wxDb::GetColumns()
#endif // #else OLD_GETCOLUMNS
/********** wxDb::GetColumnCount() **********/
int wxDb::GetColumnCount(const wxString &tableName, const wxChar *userID)
/*
* Returns a count of how many columns are in a table.
* If an error occurs in computing the number of columns
* this function will return a -1 for the count
*
* userID is evaluated in the following manner:
* userID == NULL ... UserID is ignored
* userID == "" ... UserID set equal to 'this->uid'
* userID != "" ... UserID set equal to 'userID'
*
* NOTE: ALL column bindings associated with this wxDb instance are unbound
* by this function. This function should use its own wxDb instance
* to avoid undesired unbinding of columns.
*/
{
UWORD noCols = 0;
RETCODE retcode;
wxString TableName;
wxString UserID;
convertUserID(userID,UserID);
TableName = tableName;
// Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
if ((Dbms() == dbmsORACLE) ||
(Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
SQLFreeStmt(hstmt, SQL_CLOSE);
// MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
// use the call below that leaves out the user name
if (!UserID.IsEmpty() &&
Dbms() != dbmsMY_SQL &&
Dbms() != dbmsACCESS &&
Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
(SQLTCHAR *) UserID.c_str(), SQL_NTS, // Owner
(SQLTCHAR *) TableName.c_str(), SQL_NTS,
NULL, 0); // All columns
}
else
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
NULL, 0, // Owner
(SQLTCHAR *) TableName.c_str(), SQL_NTS,
NULL, 0); // All columns
}
if (retcode != SQL_SUCCESS)
{ // Error occured, abort
DispAllErrors(henv, hdbc, hstmt);
SQLFreeStmt(hstmt, SQL_CLOSE);
return(-1);
}
// Count the columns
while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
noCols++;
if (retcode != SQL_NO_DATA_FOUND)
{ // Error occured, abort
DispAllErrors(henv, hdbc, hstmt);
SQLFreeStmt(hstmt, SQL_CLOSE);
return(-1);
}
SQLFreeStmt(hstmt, SQL_CLOSE);
return noCols;
} // wxDb::GetColumnCount()
/********** wxDb::GetCatalog() *******/
wxDbInf *wxDb::GetCatalog(const wxChar *userID)
/*
* ---------------------------------------------------------------------
* -- 19991203 : mj10777 : Create ------
* -- : Creates a wxDbInf with Tables / Cols Array ------
* -- : uses SQLTables and fills pTableInf; ------
* -- : pColInf is set to NULL and numCols to 0; ------
* -- : returns pDbInf (wxDbInf) ------
* -- - if unsuccesfull (pDbInf == NULL) ------
* -- : pColInf can be filled with GetColumns(..); ------
* -- : numCols can be filled with GetColumnCount(..); ------
* ---------------------------------------------------------------------
*
* userID is evaluated in the following manner:
* userID == NULL ... UserID is ignored
* userID == "" ... UserID set equal to 'this->uid'
* userID != "" ... UserID set equal to 'userID'
*
* NOTE: ALL column bindings associated with this wxDb instance are unbound
* by this function. This function should use its own wxDb instance
* to avoid undesired unbinding of columns.
*/
{
int noTab = 0; // Counter while filling table entries
int pass;
RETCODE retcode;
SDWORD cb;
wxString tblNameSave;
wxString UserID;
convertUserID(userID,UserID);
//-------------------------------------------------------------
// Create the Database Array of catalog entries
wxDbInf *pDbInf = new wxDbInf;
//-------------------------------------------------------------
// Table Information
// Pass 1 - Determine how many Tables there are.
// Pass 2 - Create the Table array and fill it
// - Create the Cols array = NULL
//-------------------------------------------------------------
for (pass = 1; pass <= 2; pass++)
{
SQLFreeStmt(hstmt, SQL_CLOSE); // Close if Open
tblNameSave.Empty();
if (!UserID.IsEmpty() &&
Dbms() != dbmsMY_SQL &&
Dbms() != dbmsACCESS &&
Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLTables(hstmt,
NULL, 0, // All qualifiers
(SQLTCHAR *) UserID.c_str(), SQL_NTS, // User specified
NULL, 0, // All tables
NULL, 0); // All columns
}
else
{
retcode = SQLTables(hstmt,
NULL, 0, // All qualifiers
NULL, 0, // User specified
NULL, 0, // All tables
NULL, 0); // All columns
}
if (retcode != SQL_SUCCESS)
{
DispAllErrors(henv, hdbc, hstmt);
pDbInf = NULL;
SQLFreeStmt(hstmt, SQL_CLOSE);
return pDbInf;
}
while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) // Table Information
{
if (pass == 1) // First pass, just count the Tables
{
if (pDbInf->numTables == 0)
{
GetData( 1, SQL_C_CHAR, (UCHAR*) pDbInf->catalog, 128+1, &cb);
GetData( 2, SQL_C_CHAR, (UCHAR*) pDbInf->schema, 128+1, &cb);
}
pDbInf->numTables++; // Counter for Tables
} // if (pass == 1)
if (pass == 2) // Create and fill the Table entries
{
if (pDbInf->pTableInf == NULL) // Has the Table Array been created
{ // no, then create the Array
pDbInf->pTableInf = new wxDbTableInf[pDbInf->numTables];
noTab = 0;
} // if (pDbInf->pTableInf == NULL) // Has the Table Array been created
GetData( 3, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData( 4, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableType, 30+1, &cb);
GetData( 5, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableRemarks, 254+1, &cb);
noTab++;
} // if
} // while
} // for
SQLFreeStmt(hstmt, SQL_CLOSE);
// Query how many columns are in each table
for (noTab=0;noTab<pDbInf->numTables;noTab++)
{
(pDbInf->pTableInf+noTab)->numCols = GetColumnCount((pDbInf->pTableInf+noTab)->tableName,UserID);
}
return pDbInf;
} // wxDb::GetCatalog()
/********** wxDb::Catalog() **********/
bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
/*
* Creates the text file specified in 'filename' which will contain
* a minimal data dictionary of all tables accessible by the user specified
* in 'userID'
*
* userID is evaluated in the following manner:
* userID == NULL ... UserID is ignored
* userID == "" ... UserID set equal to 'this->uid'
* userID != "" ... UserID set equal to 'userID'
*
* NOTE: ALL column bindings associated with this wxDb instance are unbound
* by this function. This function should use its own wxDb instance
* to avoid undesired unbinding of columns.
*/
{
wxASSERT(fileName.Length());
RETCODE retcode;
SDWORD cb;
wxChar tblName[DB_MAX_TABLE_NAME_LEN+1];
wxString tblNameSave;
wxChar colName[DB_MAX_COLUMN_NAME_LEN+1];
SWORD sqlDataType;
wxChar typeName[30+1];
SDWORD precision, length;
FILE *fp = wxFopen(fileName.c_str(),wxT("wt"));
if (fp == NULL)
return(FALSE);
SQLFreeStmt(hstmt, SQL_CLOSE);
wxString UserID;
convertUserID(userID,UserID);
if (!UserID.IsEmpty() &&
Dbms() != dbmsMY_SQL &&
Dbms() != dbmsACCESS &&
Dbms() != dbmsINTERBASE &&
Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
(SQLTCHAR *) UserID.c_str(), SQL_NTS, // User specified
NULL, 0, // All tables
NULL, 0); // All columns
}
else
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
NULL, 0, // User specified
NULL, 0, // All tables
NULL, 0); // All columns
}
if (retcode != SQL_SUCCESS)
{
DispAllErrors(henv, hdbc, hstmt);
fclose(fp);
return(FALSE);
}
wxString outStr;
tblNameSave.Empty();
int cnt = 0;
while (TRUE)
{
retcode = SQLFetch(hstmt);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
break;
GetData(3,SQL_C_CHAR, (UCHAR *) tblName, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData(4,SQL_C_CHAR, (UCHAR *) colName, DB_MAX_COLUMN_NAME_LEN+1,&cb);
GetData(5,SQL_C_SSHORT,(UCHAR *)&sqlDataType, 0, &cb);
GetData(6,SQL_C_CHAR, (UCHAR *) typeName, sizeof(typeName), &cb);
GetData(7,SQL_C_SLONG, (UCHAR *)&precision, 0, &cb);
GetData(8,SQL_C_SLONG, (UCHAR *)&length, 0, &cb);
if (wxStrcmp(tblName, tblNameSave.c_str()))
{
if (cnt)
wxFputs(wxT("\n"), fp);
wxFputs(wxT("================================ "), fp);
wxFputs(wxT("================================ "), fp);
wxFputs(wxT("===================== "), fp);
wxFputs(wxT("========= "), fp);
wxFputs(wxT("=========\n"), fp);
outStr.Printf(wxT("%-32s %-32s %-21s %9s %9s\n"),
wxT("TABLE NAME"), wxT("COLUMN NAME"), wxT("DATA TYPE"), wxT("PRECISION"), wxT("LENGTH"));
wxFputs(outStr.c_str(), fp);
wxFputs(wxT("================================ "), fp);
wxFputs(wxT("================================ "), fp);
wxFputs(wxT("===================== "), fp);
wxFputs(wxT("========= "), fp);
wxFputs(wxT("=========\n"), fp);
tblNameSave = tblName;
}
outStr.Printf(wxT("%-32s %-32s (%04d)%-15s %9ld %9ld\n"),
tblName, colName, sqlDataType, typeName, precision, length);
if (wxFputs(outStr.c_str(), fp) == EOF)
{
SQLFreeStmt(hstmt, SQL_CLOSE);
fclose(fp);
return(FALSE);
}
cnt++;
}
if (retcode != SQL_NO_DATA_FOUND)
DispAllErrors(henv, hdbc, hstmt);
SQLFreeStmt(hstmt, SQL_CLOSE);
fclose(fp);
return(retcode == SQL_NO_DATA_FOUND);
} // wxDb::Catalog()
bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wxString &tablePath)
/*
* Table name can refer to a table, view, alias or synonym. Returns TRUE
* if the object exists in the database. This function does not indicate
* whether or not the user has privleges to query or perform other functions
* on the table.
*
* userID is evaluated in the following manner:
* userID == NULL ... UserID is ignored
* userID == "" ... UserID set equal to 'this->uid'
* userID != "" ... UserID set equal to 'userID'
*/
{
wxASSERT(tableName.Length());
wxString TableName;
if (Dbms() == dbmsDBASE)
{
wxString dbName;
if (tablePath.Length())
dbName.Printf(wxT("%s/%s.dbf"), tablePath.c_str(), tableName.c_str());
else
dbName.Printf(wxT("%s.dbf"), tableName.c_str());
bool exists;
exists = wxFileExists(dbName);
return exists;
}
wxString UserID;
convertUserID(userID,UserID);
TableName = tableName;
// Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
if ((Dbms() == dbmsORACLE) ||
(Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
SQLFreeStmt(hstmt, SQL_CLOSE);
RETCODE retcode;
// Some databases cannot accept a user name when looking up table names,
// so we use the call below that leaves out the user name
if (!UserID.IsEmpty() &&
Dbms() != dbmsMY_SQL &&
Dbms() != dbmsACCESS &&
Dbms() != dbmsMS_SQL_SERVER &&
Dbms() != dbmsDB2 &&
Dbms() != dbmsINTERBASE &&
Dbms() != dbmsPERVASIVE_SQL)
{
retcode = SQLTables(hstmt,
NULL, 0, // All qualifiers
(SQLTCHAR *) UserID.c_str(), SQL_NTS, // Only tables owned by this user
(SQLTCHAR FAR *)TableName.c_str(), SQL_NTS,
NULL, 0); // All table types
}
else
{
retcode = SQLTables(hstmt,
NULL, 0, // All qualifiers
NULL, 0, // All owners
(SQLTCHAR FAR *)TableName.c_str(), SQL_NTS,
NULL, 0); // All table types
}
if (retcode != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
retcode = SQLFetch(hstmt);
if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
{
SQLFreeStmt(hstmt, SQL_CLOSE);
return(DispAllErrors(henv, hdbc, hstmt));
}
SQLFreeStmt(hstmt, SQL_CLOSE);
return(TRUE);
} // wxDb::TableExists()
/********** wxDb::TablePrivileges() **********/
bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, const wxChar *userID,
const wxChar *schema, const wxString &WXUNUSED(tablePath))
{
wxASSERT(tableName.Length());
wxDbTablePrivilegeInfo result;
SDWORD cbRetVal;
RETCODE retcode;
// We probably need to be able to dynamically set this based on
// the driver type, and state.
wxChar curRole[]=wxT("public");
wxString TableName;
wxString UserID,Schema;
convertUserID(userID,UserID);
convertUserID(schema,Schema);
TableName = tableName;
// Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
if ((Dbms() == dbmsORACLE) ||
(Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
SQLFreeStmt(hstmt, SQL_CLOSE);
// Some databases cannot accept a user name when looking up table names,
// so we use the call below that leaves out the user name
if (!Schema.IsEmpty() &&
Dbms() != dbmsMY_SQL &&
Dbms() != dbmsACCESS &&
Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLTablePrivileges(hstmt,
NULL, 0, // Catalog
(SQLTCHAR FAR *)Schema.c_str(), SQL_NTS, // Schema
(SQLTCHAR FAR *)TableName.c_str(), SQL_NTS);
}
else
{
retcode = SQLTablePrivileges(hstmt,
NULL, 0, // Catalog
NULL, 0, // Schema
(SQLTCHAR FAR *)TableName.c_str(), SQL_NTS);
}
#ifdef DBDEBUG_CONSOLE
wxFprintf(stderr ,wxT("SQLTablePrivileges() returned %i \n"),retcode);
#endif
if ((retcode != SQL_SUCCESS) && (retcode != SQL_SUCCESS_WITH_INFO))
return(DispAllErrors(henv, hdbc, hstmt));
bool failed = FALSE;
retcode = SQLFetch(hstmt);
while (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
{
if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) result.tableQual, sizeof(result.tableQual), &cbRetVal) != SQL_SUCCESS)
failed = TRUE;
if (!failed && SQLGetData(hstmt, 2, SQL_C_CHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS)
failed = TRUE;
if (!failed && SQLGetData(hstmt, 3, SQL_C_CHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS)
failed = TRUE;
if (!failed && SQLGetData(hstmt, 4, SQL_C_CHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS)
failed = TRUE;
if (!failed && SQLGetData(hstmt, 5, SQL_C_CHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS)
failed = TRUE;
if (!failed && SQLGetData(hstmt, 6, SQL_C_CHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS)
failed = TRUE;
if (!failed && SQLGetData(hstmt, 7, SQL_C_CHAR, (UCHAR*) result.grantable, sizeof(result.grantable), &cbRetVal) != SQL_SUCCESS)
failed = TRUE;
if (failed)
{
return(DispAllErrors(henv, hdbc, hstmt));
}
#ifdef DBDEBUG_CONSOLE
wxFprintf(stderr,wxT("Scanning %s privilege on table %s.%s granted by %s to %s\n"),
result.privilege,result.tableOwner,result.tableName,
result.grantor, result.grantee);
#endif
if (UserID.IsSameAs(result.tableOwner,FALSE))
{
SQLFreeStmt(hstmt, SQL_CLOSE);
return TRUE;
}
if (UserID.IsSameAs(result.grantee,FALSE) &&
!wxStrcmp(result.privilege,priv))
{
SQLFreeStmt(hstmt, SQL_CLOSE);
return TRUE;
}
if (!wxStrcmp(result.grantee,curRole) &&
!wxStrcmp(result.privilege,priv))
{
SQLFreeStmt(hstmt, SQL_CLOSE);
return TRUE;
}
retcode = SQLFetch(hstmt);
}
SQLFreeStmt(hstmt, SQL_CLOSE);
return FALSE;
} // wxDb::TablePrivileges
const wxString wxDb::SQLTableName(const wxChar *tableName)
{
wxString TableName;
if (Dbms() == dbmsACCESS)
TableName = _T("\"");
TableName += tableName;
if (Dbms() == dbmsACCESS)
TableName += _T("\"");
return TableName;
} // wxDb::SQLTableName()
const wxString wxDb::SQLColumnName(const wxChar *colName)
{
wxString ColName;
if (Dbms() == dbmsACCESS)
ColName = _T("\"");
ColName += colName;
if (Dbms() == dbmsACCESS)
ColName += _T("\"");
return ColName;
} // wxDb::SQLColumnName()
/********** wxDb::SetSqlLogging() **********/
bool wxDb::SetSqlLogging(wxDbSqlLogState state, const wxString &filename, bool append)
{
wxASSERT(state == sqlLogON || state == sqlLogOFF);
wxASSERT(state == sqlLogOFF || filename.Length());
if (state == sqlLogON)
{
if (fpSqlLog == 0)
{
fpSqlLog = wxFopen(filename, (append ? wxT("at") : wxT("wt")));
if (fpSqlLog == NULL)
return(FALSE);
}
}
else // sqlLogOFF
{
if (fpSqlLog)
{
if (fclose(fpSqlLog))
return(FALSE);
fpSqlLog = 0;
}
}
sqlLogState = state;
return(TRUE);
} // wxDb::SetSqlLogging()
/********** wxDb::WriteSqlLog() **********/
bool wxDb::WriteSqlLog(const wxString &logMsg)
{
wxASSERT(logMsg.Length());
if (fpSqlLog == 0 || sqlLogState == sqlLogOFF)
return(FALSE);
if (wxFputs(wxT("\n"), fpSqlLog) == EOF)
return(FALSE);
if (wxFputs(logMsg, fpSqlLog) == EOF)
return(FALSE);
if (wxFputs(wxT("\n"), fpSqlLog) == EOF)
return(FALSE);
return(TRUE);
} // wxDb::WriteSqlLog()
/********** wxDb::Dbms() **********/
wxDBMS wxDb::Dbms(void)
/*
* Be aware that not all database engines use the exact same syntax, and not
* every ODBC compliant database is compliant to the same level of compliancy.
* Some manufacturers support the minimum Level 1 compliancy, and others up
* through Level 3. Others support subsets of features for levels above 1.
*
* If you find an inconsistency between the wxDb class and a specific database
* engine, and an identifier to this section, and special handle the database in
* the area where behavior is non-conforming with the other databases.
*
*
* NOTES ABOUT ISSUES SPECIFIC TO EACH DATABASE ENGINE
* ---------------------------------------------------
*
* ORACLE
* - Currently the only database supported by the class to support VIEWS
*
* DBASE
* - Does not support the SQL_TIMESTAMP structure
* - Supports only one cursor and one connect (apparently? with Microsoft driver only?)
* - Does not automatically create the primary index if the 'keyField' param of SetColDef
* is TRUE. The user must create ALL indexes from their program.
* - Table names can only be 8 characters long
* - Column names can only be 10 characters long
*
* SYBASE (all)
* - To lock a record during QUERY functions, the reserved word 'HOLDLOCK' must be added
* after every table name involved in the query/join if that tables matching record(s)
* are to be locked
* - Ignores the keywords 'FOR UPDATE'. Use the HOLDLOCK functionality described above
*
* SYBASE (Enterprise)
* - If a column is part of the Primary Key, the column cannot be NULL
* - Maximum row size is somewhere in the neighborhood of 1920 bytes
*
* MY_SQL
* - If a column is part of the Primary Key, the column cannot be NULL
* - Cannot support selecting for update [::CanSelectForUpdate()]. Always returns FALSE
* - Columns that are part of primary or secondary keys must be defined as being NOT NULL
* when they are created. Some code is added in ::CreateIndex to try to adjust the
* column definition if it is not defined correctly, but it is experimental
* - Does not support sub-queries in SQL statements
*
* POSTGRES
* - Does not support the keywords 'ASC' or 'DESC' as of release v6.5.0
* - Does not support sub-queries in SQL statements
*
* DB2
* - Primary keys must be declared as NOT NULL
* - Table and index names must not be longer than 13 characters in length (technically
* table names can be up to 18 characters, but the primary index is created using the
* base table name plus "_PIDX", so the limit if the table has a primary index is 13.
*
* PERVASIVE SQL
*
* INTERBASE
* - Columns that are part of primary keys must be defined as being NOT NULL
* when they are created. Some code is added in ::CreateIndex to try to adjust the
* column definition if it is not defined correctly, but it is experimental
*/
{
// Should only need to do this once for each new database connection
// so return the value we already determined it to be to save time
// and lots of string comparisons
if (dbmsType != dbmsUNIDENTIFIED)
return(dbmsType);
wxChar baseName[25+1];
wxStrncpy(baseName,dbInf.dbmsName,25);
baseName[25] = 0;
// RGG 20001025 : add support for Interbase
// GT : Integrated to base classes on 20001121
if (!wxStricmp(dbInf.dbmsName,wxT("Interbase")))
return((wxDBMS)(dbmsType = dbmsINTERBASE));
// BJO 20000428 : add support for Virtuoso
if (!wxStricmp(dbInf.dbmsName,wxT("OpenLink Virtuoso VDBMS")))
return((wxDBMS)(dbmsType = dbmsVIRTUOSO));
if (!wxStricmp(dbInf.dbmsName,wxT("Adaptive Server Anywhere")))
return((wxDBMS)(dbmsType = dbmsSYBASE_ASA));
// BJO 20000427 : The "SQL Server" string is also returned by SQLServer when
// connected through an OpenLink driver.
// Is it also returned by Sybase Adapatitve server?
// OpenLink driver name is OLOD3032.DLL for msw and oplodbc.so for unix
if (!wxStricmp(dbInf.dbmsName,wxT("SQL Server")))
{
if (!wxStrncmp(dbInf.driverName, wxT("oplodbc"), 7) ||
!wxStrncmp(dbInf.driverName, wxT("OLOD"), 4))
return ((wxDBMS)(dbmsMS_SQL_SERVER));
else
return ((wxDBMS)(dbmsType = dbmsSYBASE_ASE));
}
if (!wxStricmp(dbInf.dbmsName,wxT("Microsoft SQL Server")))
return((wxDBMS)(dbmsType = dbmsMS_SQL_SERVER));
baseName[10] = 0;
if (!wxStricmp(baseName,wxT("PostgreSQL"))) // v6.5.0
return((wxDBMS)(dbmsType = dbmsPOSTGRES));
baseName[9] = 0;
if (!wxStricmp(baseName,wxT("Pervasive")))
return((wxDBMS)(dbmsType = dbmsPERVASIVE_SQL));
baseName[8] = 0;
if (!wxStricmp(baseName,wxT("Informix")))
return((wxDBMS)(dbmsType = dbmsINFORMIX));
baseName[6] = 0;
if (!wxStricmp(baseName,wxT("Oracle")))
return((wxDBMS)(dbmsType = dbmsORACLE));
if (!wxStricmp(baseName,wxT("ACCESS")))
return((wxDBMS)(dbmsType = dbmsACCESS));
if (!wxStricmp(baseName,wxT("Sybase")))
return((wxDBMS)(dbmsType = dbmsSYBASE_ASE));
baseName[5] = 0;
if (!wxStricmp(baseName,wxT("DBASE")))
return((wxDBMS)(dbmsType = dbmsDBASE));
if (!wxStricmp(baseName,wxT("xBase")))
return((wxDBMS)(dbmsType = dbmsXBASE_SEQUITER));
if (!wxStricmp(baseName,wxT("MySQL")))
return((wxDBMS)(dbmsType = dbmsMY_SQL));
baseName[3] = 0;
if (!wxStricmp(baseName,wxT("DB2")))
return((wxDBMS)(dbmsType = dbmsDBASE));
return((wxDBMS)(dbmsType = dbmsUNIDENTIFIED));
} // wxDb::Dbms()
bool wxDb::ModifyColumn(const wxString &tableName, const wxString &columnName,
int dataType, ULONG columnLength,
const wxString &optionalParam)
{
wxASSERT(tableName.Length());
wxASSERT(columnName.Length());
wxASSERT((dataType == DB_DATA_TYPE_VARCHAR && columnLength > 0) ||
dataType != DB_DATA_TYPE_VARCHAR);
// Must specify a columnLength if modifying a VARCHAR type column
if (dataType == DB_DATA_TYPE_VARCHAR && !columnLength)
return FALSE;
wxString dataTypeName;
wxString sqlStmt;
wxString alterSlashModify;
switch(dataType)
{
case DB_DATA_TYPE_VARCHAR :
dataTypeName = typeInfVarchar.TypeName;
break;
case DB_DATA_TYPE_INTEGER :
dataTypeName = typeInfInteger.TypeName;
break;
case DB_DATA_TYPE_FLOAT :
dataTypeName = typeInfFloat.TypeName;
break;
case DB_DATA_TYPE_DATE :
dataTypeName = typeInfDate.TypeName;
break;
case DB_DATA_TYPE_BLOB :
dataTypeName = typeInfBlob.TypeName;
break;
default:
return FALSE;
}
// Set the modify or alter syntax depending on the type of database connected to
switch (Dbms())
{
case dbmsORACLE :
alterSlashModify = _T("MODIFY");
break;
case dbmsMS_SQL_SERVER :
alterSlashModify = _T("ALTER COLUMN");
break;
case dbmsUNIDENTIFIED :
return FALSE;
case dbmsSYBASE_ASA :
case dbmsSYBASE_ASE :
case dbmsMY_SQL :
case dbmsPOSTGRES :
case dbmsACCESS :
case dbmsDBASE :
case dbmsXBASE_SEQUITER :
default :
alterSlashModify = _T("MODIFY");
break;
}
// create the SQL statement
if ( Dbms() == dbmsMY_SQL )
{
sqlStmt.Printf(wxT("ALTER TABLE %s %s %s %s"), tableName.c_str(), alterSlashModify.c_str(),
columnName.c_str(), dataTypeName.c_str());
}
else
{
sqlStmt.Printf(wxT("ALTER TABLE \"%s\" \"%s\" \"%s\" %s"), tableName.c_str(), alterSlashModify.c_str(),
columnName.c_str(), dataTypeName.c_str());
}
// For varchars only, append the size of the column
if (dataType == DB_DATA_TYPE_VARCHAR &&
(Dbms() != dbmsMY_SQL || dataTypeName != _T("text")))
{
wxString s;
s.Printf(wxT("(%lu)"), columnLength);
sqlStmt += s;
}
// for passing things like "NOT NULL"
if (optionalParam.Length())
{
sqlStmt += wxT(" ");
sqlStmt += optionalParam;
}
return ExecSql(sqlStmt);
} // wxDb::ModifyColumn()
/********** wxDbGetConnection() **********/
wxDb WXDLLIMPEXP_ODBC *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCursors)
{
wxDbList *pList;
// Used to keep a pointer to a DB connection that matches the requested
// DSN and FwdOnlyCursors settings, even if it is not FREE, so that the
// data types can be copied from it (using the wxDb::Open(wxDb *) function)
// rather than having to re-query the datasource to get all the values
// using the wxDb::Open(Dsn,Uid,AuthStr) function
wxDb *matchingDbConnection = NULL;
// Scan the linked list searching for an available database connection
// that's already been opened but is currently not in use.
for (pList = PtrBegDbList; pList; pList = pList->PtrNext)
{
// The database connection must be for the same datasource
// name and must currently not be in use.
if (pList->Free &&
(pList->PtrDb->FwdOnlyCursors() == FwdOnlyCursors))
{
if (pDbConfig->UseConnectionStr())
{
if (pList->PtrDb->OpenedWithConnectionString() &&
(!wxStrcmp(pDbConfig->GetConnectionStr(), pList->ConnectionStr)))
{
// Found a free connection
pList->Free = FALSE;
return(pList->PtrDb);
}
}
else
{
if (!pList->PtrDb->OpenedWithConnectionString() &&
(!wxStrcmp(pDbConfig->GetDsn(), pList->Dsn)))
{
// Found a free connection
pList->Free = FALSE;
return(pList->PtrDb);
}
}
}
if (pDbConfig->UseConnectionStr())
{
if (!wxStrcmp(pDbConfig->GetConnectionStr(), pList->ConnectionStr))
matchingDbConnection = pList->PtrDb;
}
else
{
if (!wxStrcmp(pDbConfig->GetDsn(), pList->Dsn) &&
!wxStrcmp(pDbConfig->GetUserID(), pList->Uid) &&
!wxStrcmp(pDbConfig->GetPassword(), pList->AuthStr))
matchingDbConnection = pList->PtrDb;
}
}
// No available connections. A new connection must be made and
// appended to the end of the linked list.
if (PtrBegDbList)
{
// Find the end of the list
for (pList = PtrBegDbList; pList->PtrNext; pList = pList->PtrNext);
// Append a new list item
pList->PtrNext = new wxDbList;
pList->PtrNext->PtrPrev = pList;
pList = pList->PtrNext;
}
else // Empty list
{
// Create the first node on the list
pList = PtrBegDbList = new wxDbList;
pList->PtrPrev = 0;
}
// Initialize new node in the linked list
pList->PtrNext = 0;
pList->Free = FALSE;
pList->Dsn = pDbConfig->GetDsn();
pList->Uid = pDbConfig->GetUserID();
pList->AuthStr = pDbConfig->GetPassword();
pList->ConnectionStr = pDbConfig->GetConnectionStr();
pList->PtrDb = new wxDb(pDbConfig->GetHenv(), FwdOnlyCursors);
bool opened;
if (!matchingDbConnection)
{
if (pDbConfig->UseConnectionStr())
{
opened = pList->PtrDb->Open(pDbConfig->GetConnectionStr());
}
else
{
opened = pList->PtrDb->Open(pDbConfig->GetDsn(), pDbConfig->GetUserID(), pDbConfig->GetPassword());
}
}
else
opened = pList->PtrDb->Open(matchingDbConnection);
// Connect to the datasource
if (opened)
{
pList->PtrDb->setCached(TRUE); // Prevent a user from deleting a cached connection
pList->PtrDb->SetSqlLogging(SQLLOGstate, SQLLOGfn, TRUE);
return(pList->PtrDb);
}
else // Unable to connect, destroy list item
{
if (pList->PtrPrev)
pList->PtrPrev->PtrNext = 0;
else
PtrBegDbList = 0; // Empty list again
pList->PtrDb->CommitTrans(); // Commit any open transactions on wxDb object
pList->PtrDb->Close(); // Close the wxDb object
delete pList->PtrDb; // Deletes the wxDb object
delete pList; // Deletes the linked list object
return(0);
}
} // wxDbGetConnection()
/********** wxDbFreeConnection() **********/
bool WXDLLIMPEXP_ODBC wxDbFreeConnection(wxDb *pDb)
{
wxDbList *pList;
// Scan the linked list searching for the database connection
for (pList = PtrBegDbList; pList; pList = pList->PtrNext)
{
if (pList->PtrDb == pDb) // Found it, now free it!!!
return (pList->Free = TRUE);
}
// Never found the database object, return failure
return(FALSE);
} // wxDbFreeConnection()
/********** wxDbCloseConnections() **********/
void WXDLLIMPEXP_ODBC wxDbCloseConnections(void)
{
wxDbList *pList, *pNext;
// Traverse the linked list closing database connections and freeing memory as I go.
for (pList = PtrBegDbList; pList; pList = pNext)
{
pNext = pList->PtrNext; // Save the pointer to next
pList->PtrDb->CommitTrans(); // Commit any open transactions on wxDb object
pList->PtrDb->Close(); // Close the wxDb object
pList->PtrDb->setCached(FALSE); // Allows deletion of the wxDb instance
delete pList->PtrDb; // Deletes the wxDb object
delete pList; // Deletes the linked list object
}
// Mark the list as empty
PtrBegDbList = 0;
} // wxDbCloseConnections()
/********** wxDbConnectionsInUse() **********/
int WXDLLIMPEXP_ODBC wxDbConnectionsInUse(void)
{
wxDbList *pList;
int cnt = 0;
// Scan the linked list counting db connections that are currently in use
for (pList = PtrBegDbList; pList; pList = pList->PtrNext)
{
if (pList->Free == FALSE)
cnt++;
}
return(cnt);
} // wxDbConnectionsInUse()
/********** wxDbLogExtendedErrorMsg() **********/
// DEBUG ONLY function
const wxChar WXDLLIMPEXP_ODBC *wxDbLogExtendedErrorMsg(const wxChar *userText,
wxDb *pDb,
const wxChar *ErrFile,
int ErrLine)
{
static wxString msg;
msg = userText;
wxString tStr;
if (ErrFile || ErrLine)
{
msg += wxT("File: ");
msg += ErrFile;
msg += wxT(" Line: ");
tStr.Printf(wxT("%d"),ErrLine);
msg += tStr.c_str();
msg += wxT("\n");
}
msg.Append (wxT("\nODBC errors:\n"));
msg += wxT("\n");
// Display errors for this connection
int i;
for (i = 0; i < DB_MAX_ERROR_HISTORY; i++)
{
if (pDb->errorList[i])
{
msg.Append(pDb->errorList[i]);
if (wxStrcmp(pDb->errorList[i],wxT("")) != 0)
msg.Append(wxT("\n"));
// Clear the errmsg buffer so the next error will not
// end up showing the previous error that have occurred
wxStrcpy(pDb->errorList[i],wxT(""));
}
}
msg += wxT("\n");
wxLogDebug(msg.c_str());
return msg.c_str();
} // wxDbLogExtendedErrorMsg()
/********** wxDbSqlLog() **********/
bool wxDbSqlLog(wxDbSqlLogState state, const wxChar *filename)
{
bool append = FALSE;
wxDbList *pList;
for (pList = PtrBegDbList; pList; pList = pList->PtrNext)
{
if (!pList->PtrDb->SetSqlLogging(state,filename,append))
return(FALSE);
append = TRUE;
}
SQLLOGstate = state;
SQLLOGfn = filename;
return(TRUE);
} // wxDbSqlLog()
#if 0
/********** wxDbCreateDataSource() **********/
int wxDbCreateDataSource(const wxString &driverName, const wxString &dsn, const wxString &description,
bool sysDSN, const wxString &defDir, wxWindow *parent)
/*
* !!!! ONLY FUNCTIONAL UNDER MSW with VC6 !!!!
* Very rudimentary creation of an ODBC data source.
*
* ODBC driver must be ODBC 3.0 compliant to use this function
*/
{
int result = FALSE;
//!!!! ONLY FUNCTIONAL UNDER MSW with VC6 !!!!
#ifdef __VISUALC__
int dsnLocation;
wxString setupStr;
if (sysDSN)
dsnLocation = ODBC_ADD_SYS_DSN;
else
dsnLocation = ODBC_ADD_DSN;
// NOTE: The decimal 2 is an invalid character in all keyword pairs
// so that is why I used it, as wxString does not deal well with
// embedded nulls in strings
setupStr.Printf(wxT("DSN=%s%cDescription=%s%cDefaultDir=%s%c"),dsn,2,description,2,defDir,2);
// Replace the separator from above with the '\0' seperator needed
// by the SQLConfigDataSource() function
int k;
do
{
k = setupStr.Find((wxChar)2,TRUE);
if (k != wxNOT_FOUND)
setupStr[(UINT)k] = wxT('\0');
}
while (k != wxNOT_FOUND);
result = SQLConfigDataSource((HWND)parent->GetHWND(), dsnLocation,
driverName, setupStr.c_str());
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
{
// check for errors caused by ConfigDSN based functions
DWORD retcode = 0;
WORD cb;
wxChar errMsg[SQL_MAX_MESSAGE_LENGTH];
errMsg[0] = wxT('\0');
// This function is only supported in ODBC drivers v3.0 compliant and above
SQLInstallerError(1,&retcode,errMsg,SQL_MAX_MESSAGE_LENGTH-1,&cb);
if (retcode)
{
#ifdef DBDEBUG_CONSOLE
// When run in console mode, use standard out to display errors.
cout << errMsg << endl;
cout << wxT("Press any key to continue...") << endl;
getchar();
#endif // DBDEBUG_CONSOLE
#ifdef __WXDEBUG__
wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE"));
#endif // __WXDEBUG__
}
}
else
result = TRUE;
#else
// Using iODBC/unixODBC or some other compiler which does not support the APIs
// necessary to use this function, so this function is not supported
#ifdef __WXDEBUG__
wxLogDebug(wxT("wxDbCreateDataSource() not available except under VC++/MSW"),wxT("ODBC DEBUG MESSAGE"));
#endif
result = FALSE;
#endif // __VISUALC__
return result;
} // wxDbCreateDataSource()
#endif
/********** wxDbGetDataSource() **********/
bool wxDbGetDataSource(HENV henv, wxChar *Dsn, SWORD DsnMax, wxChar *DsDesc,
SWORD DsDescMax, UWORD direction)
/*
* Dsn and DsDesc will contain the data source name and data source
* description upon return
*/
{
SWORD cb1,cb2;
if (SQLDataSources(henv, direction, (SQLTCHAR FAR *) Dsn, DsnMax, &cb1,
(SQLTCHAR FAR *) DsDesc, DsDescMax, &cb2) == SQL_SUCCESS)
return(TRUE);
else
return(FALSE);
} // wxDbGetDataSource()
// Change this to 0 to remove use of all deprecated functions
#if wxODBC_BACKWARD_COMPATABILITY
/********************************************************************
********************************************************************
*
* The following functions are all DEPRECATED and are included for
* backward compatability reasons only
*
********************************************************************
********************************************************************/
bool SqlLog(sqlLog state, const wxChar *filename)
{
return wxDbSqlLog((enum wxDbSqlLogState)state, filename);
}
/***** DEPRECATED: use wxGetDataSource() *****/
bool GetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDescMax,
UWORD direction)
{
return wxDbGetDataSource(henv, Dsn, DsnMax, DsDesc, DsDescMax, direction);
}
/***** DEPRECATED: use wxDbGetConnection() *****/
wxDb WXDLLIMPEXP_ODBC *GetDbConnection(DbStuff *pDbStuff, bool FwdOnlyCursors)
{
return wxDbGetConnection((wxDbConnectInf *)pDbStuff, FwdOnlyCursors);
}
/***** DEPRECATED: use wxDbFreeConnection() *****/
bool WXDLLIMPEXP_ODBC FreeDbConnection(wxDb *pDb)
{
return wxDbFreeConnection(pDb);
}
/***** DEPRECATED: use wxDbCloseConnections() *****/
void WXDLLIMPEXP_ODBC CloseDbConnections(void)
{
wxDbCloseConnections();
}
/***** DEPRECATED: use wxDbConnectionsInUse() *****/
int WXDLLIMPEXP_ODBC NumberDbConnectionsInUse(void)
{
return wxDbConnectionsInUse();
}
#endif
#endif
// wxUSE_ODBC
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