X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4fdae9972d39fbe62adaa1c1d721ba1762cd8950..a111f2b216a90bacb254644d3cae526eddc9f9f1:/src/common/db.cpp

diff --git a/src/common/db.cpp b/src/common/db.cpp
index 21c1313c12..0b06c0497e 100644
--- a/src/common/db.cpp
+++ b/src/common/db.cpp
@@ -34,53 +34,32 @@
 // SYNOPSIS START
 // SYNOPSIS STOP
 */
+#ifdef __GNUG__
+    #pragma implementation "db.h"
+#endif
 
 #include "wx/wxprec.h"
 
-
-// Use this line for wxWindows v1.x
-//#include "wx_ver.h"
-// Use this line for wxWindows v2.x
-#include "wx/version.h"
-
-#if wxMAJOR_VERSION == 2
-    #ifdef __GNUG__
-        #pragma implementation "db.h"
-    #endif
+#ifdef __BORLANDC__
+    #pragma hdrstop
 #endif
 
 #ifdef DBDEBUG_CONSOLE
     #include "wx/ioswrap.h"
 #endif
 
-#ifdef    __BORLANDC__
-    #pragma hdrstop
-#endif  //__BORLANDC__
-
-#if wxMAJOR_VERSION == 2
-    #ifndef WX_PRECOMP
-        #include "wx/string.h"
-        #include "wx/object.h"
-        #include "wx/list.h"
-        #include "wx/utils.h"
+#ifndef WX_PRECOMP
+    #include "wx/string.h"
+    #include "wx/object.h"
+    #include "wx/list.h"
+    #include "wx/utils.h"
+    #if wxUSE_GUI
         #include "wx/msgdlg.h"
-        #include "wx/log.h"
     #endif
-    #include "wx/filefn.h"
-    #include "wx/wxchar.h"
-#endif
-
-
-#if wxMAJOR_VERSION == 1
-#    if defined(wx_msw) || defined(wx_x)
-#        ifdef WX_PRECOMP
-#            include "wx_prec.h"
-#        else
-#            include "wx.h"
-#        endif
-#    endif
-#    define wxUSE_ODBC 1
+    #include "wx/log.h"
 #endif
+#include "wx/filefn.h"
+#include "wx/wxchar.h"
 
 #if wxUSE_ODBC
 
@@ -90,11 +69,7 @@
 #include <stdlib.h>
 #include <ctype.h>
 
-#if   wxMAJOR_VERSION == 1
-    #include "db.h"
-#elif wxMAJOR_VERSION == 2
-    #include "wx/db.h"
-#endif
+#include "wx/db.h"
 
 WXDLLEXPORT_DATA(wxDbList*) PtrBegDbList = 0;
 
@@ -121,6 +96,7 @@ static wxString SQLLOGfn = SQL_LOG_FILENAME;
 // 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
@@ -135,100 +111,158 @@ typedef struct
 } wxDbTablePrivilegeInfo;
 
 
-/********** wxDbColFor Constructor **********/
-wxDbColFor::wxDbColFor()
+/********** wxDbConnectInf Constructor - form 1 **********/
+wxDbConnectInf::wxDbConnectInf()
 {
-    s_Field.Empty();
-    int i;
-    for (i=0; i<7; i++)
+    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)
     {
-        s_Format[i].Empty();
-        s_Amount[i].Empty();
-        i_Amount[i] = 0;
+        FreeHenv();
     }
-    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::wxDbColFor()
+}  // wxDbConnectInf Destructor
 
 
-wxDbColFor::~wxDbColFor()
+
+/********** wxDbConnectInf::Initialize() **********/
+bool wxDbConnectInf::Initialize()
 {
-}  // wxDbColFor::~wxDbColFor()
+    freeHenvOnDestroy = FALSE;
 
+    if (freeHenvOnDestroy && Henv)
+        FreeHenv();
 
-/********** wxDbColInf Con / Destructor **********/
-wxDbColInf::wxDbColInf()
+    Henv = 0;
+    Dsn[0] = 0;
+    Uid[0] = 0;
+    AuthStr[0] = 0;
+    Description.Empty();
+    FileType.Empty();
+    DefaultDir.Empty();
+
+    return TRUE;
+}  // wxDbConnectInf::Initialize()
+
+
+/********** wxDbConnectInf::AllocHenv() **********/
+bool wxDbConnectInf::AllocHenv()
 {
-    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;
-}  // wxDbColInf::wxDbColFor()
+    // 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;
 
-wxDbColInf::~wxDbColInf()
+    return TRUE;
+}  // wxDbConnectInf::AllocHenv()
+
+
+void wxDbConnectInf::FreeHenv()
 {
-    if (pColFor)
-        delete pColFor;
-    pColFor = NULL;
-}  // wxDbColInf::~wxDbColInf()
+    wxASSERT(Henv);
 
+    if (Henv)
+        SQLFreeEnv(Henv);
 
-/********** wxDbTableInf Constructor ********/
-wxDbTableInf::wxDbTableInf()
+    Henv = 0;
+    freeHenvOnDestroy = FALSE;
+
+}  // wxDbConnectInf::FreeHenv()
+
+
+void wxDbConnectInf::SetDsn(const wxString &dsn)
 {
-    tableName[0]    = 0;
-    tableType[0]    = 0;
-    tableRemarks[0] = 0;
-    numCols         = 0;
-    pColInf         = NULL;
-}  // wxDbTableInf::wxDbTableFor()
+    wxASSERT(dsn.Length() < sizeof(Dsn));
 
+    wxStrcpy(Dsn,dsn);
+}  // wxDbConnectInf::SetDsn()
 
-/********** wxDbTableInf Constructor ********/
-wxDbTableInf::~wxDbTableInf()
+
+void wxDbConnectInf::SetUserID(const wxString &uid)
 {
-    if (pColInf)
-        delete [] pColInf;
-    pColInf = NULL;
-}  // wxDbTableInf::~wxDbTableInf()
+    wxASSERT(uid.Length() < sizeof(Uid));
+    wxStrcpy(Uid,uid);
+}  // wxDbConnectInf::SetUserID()
 
 
-/********** wxDbInf Constructor *************/
-wxDbInf::wxDbInf()
+void wxDbConnectInf::SetPassword(const wxString &password)
 {
-    catalog[0]      = 0;
-    schema[0]       = 0;
-    numTables       = 0;
-    pTableInf       = NULL;
-}  // wxDbInf::wxDbFor()
+    wxASSERT(password.Length() < sizeof(AuthStr));
 
+    wxStrcpy(AuthStr,password);
+}  // wxDbConnectInf::SetPassword()
 
-/********** wxDbInf Destructor *************/
-wxDbInf::~wxDbInf()
+
+
+/********** wxDbColFor Constructor **********/
+wxDbColFor::wxDbColFor()
 {
-  if (pTableInf)
-    delete [] pTableInf;
-  pTableInf = NULL;
-}  // wxDbInf::~wxDbInf()
+    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)
 {
@@ -262,6 +296,8 @@ int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
             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))
@@ -306,6 +342,9 @@ int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
                 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;
@@ -314,17 +353,130 @@ int wxDbColFor::Format(int Nation, int dbDataType, SWORD sqlDataType,
 }  // wxDbColFor::Format()
 
 
-/********** wxDb Constructors **********/
-wxDb::wxDb(HENV &aHenv, bool FwdOnlyCursors)
+
+/********** 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
@@ -338,11 +490,11 @@ void wxDb::initialize()
     nTables       = 0;
     dbmsType      = dbmsUNIDENTIFIED;
 
-    wxStrcpy(sqlState,wxT(""));
-    wxStrcpy(errorMsg,wxT(""));
+    wxStrcpy(sqlState,wxEmptyString);
+    wxStrcpy(errorMsg,wxEmptyString);
     nativeError = cbErrorMsg = 0;
     for (i = 0; i < DB_MAX_ERROR_HISTORY; i++)
-        wxStrcpy(errorList[i], wxT(""));
+        wxStrcpy(errorList[i], wxEmptyString);
 
     // Init typeInf structures
     typeInfVarchar.TypeName.Empty();
@@ -369,6 +521,12 @@ void wxDb::initialize()
     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;
 
@@ -381,10 +539,11 @@ void wxDb::initialize()
 
     // Mark database as not open as of yet
     dbIsOpen = FALSE;
+    dbIsCached = FALSE;
 }  // wxDb::initialize()
 
 
-/********** PRIVATE! wxDb::initialize PRIVATE! **********/
+/********** PRIVATE! wxDb::convertUserID PRIVATE! **********/
 //
 // NOTE: Return value from this function MUST be copied
 //       immediately, as the value is not good after
@@ -450,19 +609,19 @@ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthSt
     else if (retcode != SQL_SUCCESS)
         return(DispAllErrors(henv, hdbc));
 
-	if (retcode == SQL_ERROR)
-		return(DispAllErrors(henv, hdbc));
+    if (retcode == SQL_ERROR)
+        return(DispAllErrors(henv, hdbc));
 */
-	if ((retcode != SQL_SUCCESS) &&
+    if ((retcode != SQL_SUCCESS) &&
         (retcode != SQL_SUCCESS_WITH_INFO))
-		return(DispAllErrors(henv, hdbc));
+        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) wxT(""));
-    SQLSetConnectOption(hdbc, 1042, (UDWORD) wxT(""));
+    SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString);
+    SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString);
 */
 
     // Mark database as open
@@ -483,7 +642,7 @@ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthSt
     // Query the data source regarding data type information
 
     //
-    // The way I determined which SQL data types to use was by calling SQLGetInfo
+    // 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
@@ -532,7 +691,6 @@ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthSt
 
     // Float
     if (!getDataTypeInfo(SQL_DOUBLE,typeInfFloat))
-
         if (!getDataTypeInfo(SQL_REAL,typeInfFloat))
             if (!getDataTypeInfo(SQL_FLOAT,typeInfFloat))
                 if (!getDataTypeInfo(SQL_DECIMAL,typeInfFloat))
@@ -565,7 +723,7 @@ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthSt
     // Date/Time
     if (Dbms() != dbmsDBASE)
     {
-        if (! getDataTypeInfo(SQL_TIMESTAMP,typeInfDate))
+        if (!getDataTypeInfo(SQL_TIMESTAMP,typeInfDate))
             return(FALSE);
         else
             typeInfDate.FsqlType = SQL_TIMESTAMP;
@@ -578,11 +736,24 @@ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthSt
             typeInfDate.FsqlType = SQL_DATE;
     }
 
+    if (!getDataTypeInfo(SQL_LONGVARBINARY, typeInfBlob))
+    {
+        if (!getDataTypeInfo(SQL_VARBINARY,typeInfBlob))
+            return(FALSE);
+        else
+            typeInfBlob.FsqlType = SQL_VARBINARY;
+    }
+    else
+        typeInfBlob.FsqlType = SQL_LONGVARBINARY;
+
+//typeInfBlob.TypeName = "BLOB";
+
 #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
 
@@ -592,6 +763,13 @@ bool wxDb::Open(const wxString &Dsn, const wxString &Uid, const wxString &AuthSt
 } // wxDb::Open()
 
 
+bool wxDb::Open(wxDbConnectInf *dbConnectInf)
+{
+    return Open(dbConnectInf->GetDsn(), dbConnectInf->GetUserID(),
+                dbConnectInf->GetPassword());
+}  // wxDb::Open()
+
+
 bool wxDb::Open(wxDb *copyDb)
 {
     dsn        = copyDb->GetDatasourceName();
@@ -619,15 +797,15 @@ bool wxDb::Open(wxDb *copyDb)
                          (UCHAR FAR *) uid.c_str(), SQL_NTS,
                          (UCHAR FAR *) authStr.c_str(), SQL_NTS);
 
-	if (retcode == SQL_ERROR)
-		return(DispAllErrors(henv, hdbc));
+    if (retcode == SQL_ERROR)
+        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) wxT(""));
-    SQLSetConnectOption(hdbc, 1042, (UDWORD) wxT(""));
+    SQLSetConnectOption(hdbc, 1041, (UDWORD) wxEmptyString);
+    SQLSetConnectOption(hdbc, 1042, (UDWORD) wxEmptyString);
 */
 
     // Mark database as open
@@ -703,11 +881,19 @@ bool wxDb::Open(wxDb *copyDb)
     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
 
@@ -731,7 +917,7 @@ bool wxDb::setConnectionOptions(void)
 
     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
+//  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
@@ -1219,7 +1405,7 @@ void wxDb::Close(void)
         {
             s.Printf(wxT("(%-20s)     tableID:[%6lu]     pDb:[%p]"), tiu->tableName,tiu->tableID,tiu->pDb);
             s2.Printf(wxT("Orphaned found using pDb:[%p]"),this);
-            wxLogDebug (s,s2);
+            wxLogDebug (s.c_str(),s2.c_str());
         }
         pNode = pNode->Next();
     }
@@ -1228,9 +1414,9 @@ void wxDb::Close(void)
     // Copy the error messages to a global variable
     int i;
     for (i = 0; i < DB_MAX_ERROR_HISTORY; i++)
-        wxStrcpy(DBerrorList[i],errorList[i]);
+        wxStrcpy(DBerrorList[i], errorList[i]);
 
-    dbmsType	= dbmsUNIDENTIFIED;
+    dbmsType = dbmsUNIDENTIFIED;
     dbIsOpen = FALSE;
 
 } // wxDb::Close()
@@ -1303,7 +1489,7 @@ bool wxDb::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
         }
     }
 
-    return(FALSE);  // This function always returns false.
+    return(FALSE);  // This function always returns FALSE.
 
 } // wxDb::DispAllErrors()
 
@@ -1659,7 +1845,7 @@ bool wxDb::DropView(const wxString &viewName)
  */
     wxString sqlStmt;
 
-    sqlStmt.Printf(wxT("DROP VIEW %s"), viewName);
+    sqlStmt.Printf(wxT("DROP VIEW %s"), viewName.c_str());
 
     WriteSqlLog(sqlStmt);
 
@@ -1685,7 +1871,7 @@ bool wxDb::DropView(const wxString &viewName)
     }
 
     // Commit the transaction
-    if (! CommitTrans())
+    if (!CommitTrans())
         return(FALSE);
 
     return TRUE;
@@ -1696,9 +1882,16 @@ bool wxDb::DropView(const wxString &viewName)
 /********** wxDb::ExecSql()  **********/
 bool wxDb::ExecSql(const wxString &pSqlStmt)
 {
+    RETCODE retcode;
+
     SQLFreeStmt(hstmt, SQL_CLOSE);
-    if (SQLExecDirect(hstmt, (UCHAR FAR *) pSqlStmt.c_str(), SQL_NTS) == SQL_SUCCESS)
+
+    retcode = SQLExecDirect(hstmt, (UCHAR 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);
@@ -1740,7 +1933,7 @@ bool wxDb::GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FA
 
 
 /********** wxDb::GetKeyFields() **********/
-int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, int noCols)
+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 */
@@ -1750,7 +1943,7 @@ int wxDb::GetKeyFields(const wxString &tableName, wxDbColInf* colInf, int noCols
     wxChar       szFkCol[DB_MAX_COLUMN_NAME_LEN+1];   /* Foreign key column     */
     SQLRETURN    retcode;
     SDWORD       cb;
-    int          i;
+    SWORD        i;
     wxString     tempStr;
     /*
      * -----------------------------------------------------------------------
@@ -1908,8 +2101,8 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
  *       to avoid undesired unbinding of columns.
  */
 {
-    int      noCols = 0;
-    int      colNo  = 0;
+    UWORD       noCols = 0;
+    UWORD       colNo  = 0;
     wxDbColInf *colInf = 0;
 
     RETCODE  retcode;
@@ -1935,8 +2128,8 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
             if (!colInf)
                 break;
             // Mark the end of the array
-            wxStrcpy(colInf[noCols].tableName,wxT(""));
-            wxStrcpy(colInf[noCols].colName,wxT(""));
+            wxStrcpy(colInf[noCols].tableName,wxEmptyString);
+            wxStrcpy(colInf[noCols].colName,wxEmptyString);
             colInf[noCols].sqlDataType = 0;
         }
         // Loop through each table name
@@ -2019,13 +2212,14 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
 #endif
                             colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
                         }
-                        else if (!wxStricmp(typeInfInteger.TypeName,colInf[colNo].typeName))
+                        else if (!wxStricmp(typeInfInteger.TypeName, colInf[colNo].typeName))
                             colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
-                        else if (!wxStricmp(typeInfFloat.TypeName,colInf[colNo].typeName))
+                        else if (!wxStricmp(typeInfFloat.TypeName, colInf[colNo].typeName))
                             colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
-                        else if (!wxStricmp(typeInfDate.TypeName,colInf[colNo].typeName))
+                        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++;
                     }
                 }
@@ -2049,7 +2243,7 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
 
 /********** wxDb::GetColumns() **********/
 
-wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxChar *userID)
+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
@@ -2065,8 +2259,8 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
 //       to avoid undesired unbinding of columns.
 
 {
-    int       noCols = 0;
-    int       colNo  = 0;
+    UWORD       noCols = 0;
+    UWORD       colNo  = 0;
     wxDbColInf *colInf = 0;
 
     RETCODE  retcode;
@@ -2092,8 +2286,8 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
             if (!colInf)
                 break;
             // Mark the end of the array
-            wxStrcpy(colInf[noCols].tableName, wxT(""));
-            wxStrcpy(colInf[noCols].colName, wxT(""));
+            wxStrcpy(colInf[noCols].tableName, wxEmptyString);
+            wxStrcpy(colInf[noCols].colName, wxEmptyString);
             colInf[noCols].sqlDataType  = 0;
         }
 
@@ -2176,7 +2370,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
 
                     // 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))
+                    if (!wxStricmp(typeInfVarchar.TypeName, colInf[colNo].typeName))
                     {
 #ifdef _IODBC_
                         // IODBC does not return a correct columnSize, so we set
@@ -2190,12 +2384,14 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
 
                         colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
                     }
-                    else if (!wxStricmp(typeInfInteger.TypeName,colInf[colNo].typeName))
+                    else if (!wxStricmp(typeInfInteger.TypeName, colInf[colNo].typeName))
                         colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
-                    else if (!wxStricmp(typeInfFloat.TypeName,colInf[colNo].typeName))
+                    else if (!wxStricmp(typeInfFloat.TypeName, colInf[colNo].typeName))
                         colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
-                    else if (!wxStricmp(typeInfDate.TypeName,colInf[colNo].typeName))
+                    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++;
                 }
@@ -2248,7 +2444,7 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
 
 typedef struct
 {
-    int noCols;
+    UWORD noCols;
     wxDbColInf *colInf;
 } _TableColumns;
 
@@ -2259,7 +2455,7 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
     // The last array element of the tableName[] argument must be zero (null).
     // This is how the end of the array is detected.
 
-    int noCols = 0;
+    UWORD noCols = 0;
 
     // How many tables ?
     int tbl;
@@ -2282,8 +2478,8 @@ wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
     wxDbColInf *colInf = new wxDbColInf[noCols+1];
 
     // Mark the end of the array
-    wxStrcpy(colInf[noCols].tableName, wxT(""));
-    wxStrcpy(colInf[noCols].colName, wxT(""));
+    wxStrcpy(colInf[noCols].tableName, wxEmptyString);
+    wxStrcpy(colInf[noCols].colName, wxEmptyString);
     colInf[noCols].sqlDataType  = 0;
 
     // Merge ...
@@ -2318,8 +2514,8 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
 //       by this function.  This function should use its own wxDb instance
 //       to avoid undesired unbinding of columns.
 {
-    SWORD       noCols = 0;
-    int         colNo  = 0;
+    UWORD       noCols = 0;
+    UWORD       colNo  = 0;
     wxDbColInf *colInf = 0;
 
     RETCODE  retcode;
@@ -2345,8 +2541,8 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
             if (!colInf)
                 break;
             // Mark the end of the array
-            wxStrcpy(colInf[noCols].tableName, wxT(""));
-            wxStrcpy(colInf[noCols].colName, wxT(""));
+            wxStrcpy(colInf[noCols].tableName, wxEmptyString);
+            wxStrcpy(colInf[noCols].colName, wxEmptyString);
             colInf[noCols].sqlDataType = 0;
         }
 
@@ -2453,6 +2649,9 @@ wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxCh
                         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;
@@ -2576,7 +2775,7 @@ int wxDb::GetColumnCount(const wxString &tableName, const wxChar *userID)
  *       to avoid undesired unbinding of columns.
  */
 {
-    int      noCols = 0;
+    UWORD    noCols = 0;
 
     RETCODE  retcode;
 
@@ -2781,7 +2980,7 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
     wxChar    colName[DB_MAX_COLUMN_NAME_LEN+1];
     SWORD     sqlDataType;
     wxChar    typeName[30+1];
-    SWORD     precision, length;
+    SDWORD    precision, length;
 
     FILE *fp = fopen(fileName.c_str(),wxT("wt"));
     if (fp == NULL)
@@ -2795,6 +2994,7 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
     if (!UserID.IsEmpty() &&
         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&
+        Dbms() != dbmsINTERBASE &&
         Dbms() != dbmsMS_SQL_SERVER)
     {
         retcode = SQLColumns(hstmt,
@@ -2822,8 +3022,12 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
     tblNameSave.Empty();
     int cnt = 0;
 
-    while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
+    while (TRUE)
     {
+        retcode = SQLFetch(hstmt);
+        if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+            break;
+
         if (wxStrcmp(tblName, tblNameSave.c_str()))
         {
             if (cnt)
@@ -2844,12 +3048,12 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
             tblNameSave = tblName;
         }
 
-      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_SSHORT,(UCHAR *)&precision,  0,                       &cb);
-      GetData(8,SQL_C_SSHORT,(UCHAR *)&length,     0,                       &cb);
+      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);
 
         outStr.Printf(wxT("%-32s %-32s (%04d)%-15s %9d %9d\n"),
             tblName, colName, sqlDataType, typeName, precision, length);
@@ -2875,7 +3079,7 @@ bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
 
 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
+ * 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.
@@ -2894,9 +3098,9 @@ bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wx
     {
         wxString dbName;
         if (tablePath.Length())
-            dbName.Printf(wxT("%s/%s.dbf"),tablePath,tableName);
+            dbName.Printf(wxT("%s/%s.dbf"), tablePath.c_str(), tableName.c_str());
         else
-            dbName.Printf(wxT("%s.dbf"),tableName);
+            dbName.Printf(wxT("%s.dbf"), tableName.c_str());
 
         bool exists;
         exists = wxFileExists(dbName);
@@ -2921,7 +3125,10 @@ bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wx
     if (!UserID.IsEmpty() &&
         Dbms() != dbmsMY_SQL &&
         Dbms() != dbmsACCESS &&
-        Dbms() != dbmsMS_SQL_SERVER)
+        Dbms() != dbmsMS_SQL_SERVER &&
+        Dbms() != dbmsDB2 &&
+        Dbms() != dbmsINTERBASE &&
+        Dbms() != dbmsPERVASIVE_SQL)
     {
         retcode = SQLTables(hstmt,
                             NULL, 0,                                  // All qualifiers
@@ -2970,8 +3177,9 @@ bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, cons
 
     wxString TableName;
 
-    wxString UserID;
+    wxString UserID,Schema;
     convertUserID(userID,UserID);
+    convertUserID(schema,Schema);
 
     TableName = tableName;
     // Oracle and Interbase table names are uppercase only, so force
@@ -2982,18 +3190,23 @@ bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, cons
 
     SQLFreeStmt(hstmt, SQL_CLOSE);
 
-    if (!schema)
+    // 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
-                                     NULL, 0,                                    // Schema
+                                     (UCHAR FAR *)Schema.c_str(), SQL_NTS,               // Schema
                                      (UCHAR FAR *)TableName.c_str(), SQL_NTS);
     }
     else
     {
         retcode = SQLTablePrivileges(hstmt,
                                      NULL, 0,                                    // Catalog
-                                     (UCHAR FAR *)schema, SQL_NTS,               // Schema
+                                     NULL, 0,                                    // Schema
                                      (UCHAR FAR *)TableName.c_str(), SQL_NTS);
     }
 
@@ -3004,30 +3217,35 @@ bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, cons
     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)
-            return(DispAllErrors(henv, hdbc, hstmt));
+            failed = TRUE;
 
-        if (SQLGetData(hstmt, 2, SQL_C_CHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS)
-            return(DispAllErrors(henv, hdbc, hstmt));
+        if (!failed && SQLGetData(hstmt, 2, SQL_C_CHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS)
+            failed = TRUE;
 
-        if (SQLGetData(hstmt, 3, SQL_C_CHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS)
-            return(DispAllErrors(henv, hdbc, hstmt));
+        if (!failed && SQLGetData(hstmt, 3, SQL_C_CHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS)
+            failed = TRUE;
 
-        if (SQLGetData(hstmt, 4, SQL_C_CHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS)
-            return(DispAllErrors(henv, hdbc, hstmt));
+        if (!failed && SQLGetData(hstmt, 4, SQL_C_CHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS)
+            failed = TRUE;
 
-        if (SQLGetData(hstmt, 5, SQL_C_CHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS)
-            return(DispAllErrors(henv, hdbc, hstmt));
+        if (!failed && SQLGetData(hstmt, 5, SQL_C_CHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS)
+            failed = TRUE;
 
-        if (SQLGetData(hstmt, 6, SQL_C_CHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS)
-            return(DispAllErrors(henv, hdbc, hstmt));
+        if (!failed && SQLGetData(hstmt, 6, SQL_C_CHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS)
+            failed = TRUE;
 
-        if (SQLGetData(hstmt, 7, SQL_C_CHAR, (UCHAR*) result.grantable, sizeof(result.grantable), &cbRetVal) != SQL_SUCCESS)
-            return(DispAllErrors(henv, hdbc, hstmt));
+        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
         fprintf(stderr,wxT("Scanning %s privilege on table %s.%s granted by %s to %s\n"),
                 result.privilege,result.tableOwner,result.tableName,
@@ -3165,7 +3383,16 @@ wxDBMS wxDb::Dbms(void)
  *
  * 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
@@ -3198,9 +3425,9 @@ wxDBMS wxDb::Dbms(void)
     {
       if (!wxStrncmp(dbInf.driverName, wxT("oplodbc"), 7) ||
           !wxStrncmp(dbInf.driverName, wxT("OLOD"), 4))
-			return ((wxDBMS)(dbmsMS_SQL_SERVER));
-		else
-			return ((wxDBMS)(dbmsType = dbmsSYBASE_ASE));
+            return ((wxDBMS)(dbmsMS_SQL_SERVER));
+        else
+            return ((wxDBMS)(dbmsType = dbmsSYBASE_ASE));
     }
 
     if (!wxStricmp(dbInf.dbmsName,wxT("Microsoft SQL Server")))
@@ -3210,6 +3437,10 @@ wxDBMS wxDb::Dbms(void)
     if (!wxStricmp(dbInf.dbmsName,wxT("PostgreSQL")))  // v6.5.0
         return((wxDBMS)(dbmsType = dbmsPOSTGRES));
 
+    baseName[9] = 0;
+    if (!wxStricmp(dbInf.dbmsName,wxT("Pervasive")))
+        return((wxDBMS)(dbmsType = dbmsPERVASIVE_SQL));
+
     baseName[8] = 0;
     if (!wxStricmp(baseName,wxT("Informix")))
         return((wxDBMS)(dbmsType = dbmsINFORMIX));
@@ -3249,54 +3480,57 @@ bool wxDb::ModifyColumn(const wxString &tableName, const wxString &columnName,
     // Must specify a columnLength if modifying a VARCHAR type column
     if (dataType == DB_DATA_TYPE_VARCHAR && !columnLength)
         return FALSE;
-    
+
     wxString dataTypeName;
-	wxString sqlStmt;
+    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;
-	    default:
-		    return FALSE;
-	}
-
-	// Set the modify or alter syntax depending on the type of database connected to
-	switch (Dbms())
-	{
-	    case dbmsORACLE :
-		    alterSlashModify = "MODIFY";
-		    break;
-	    case dbmsMS_SQL_SERVER :
-		    alterSlashModify = "ALTER COLUMN";
-		    break;
-	    case dbmsUNIDENTIFIED :
+    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;
-	    case dbmsSYBASE_ASA :
-	    case dbmsSYBASE_ASE :
-	    case dbmsMY_SQL :
-	    case dbmsPOSTGRES :
-	    case dbmsACCESS :
-	    case dbmsDBASE :
-	    default :
-		    alterSlashModify = "MODIFY";
-		    break;
-	}
-
-	// create the SQL statement
-	sqlStmt.Printf(wxT("ALTER TABLE %s %s %s %s"), tableName, alterSlashModify,
-			  columnName, dataTypeName);
+    }
+
+    // Set the modify or alter syntax depending on the type of database connected to
+    switch (Dbms())
+    {
+        case dbmsORACLE :
+            alterSlashModify = "MODIFY";
+            break;
+        case dbmsMS_SQL_SERVER :
+            alterSlashModify = "ALTER COLUMN";
+            break;
+        case dbmsUNIDENTIFIED :
+            return FALSE;
+        case dbmsSYBASE_ASA :
+        case dbmsSYBASE_ASE :
+        case dbmsMY_SQL :
+        case dbmsPOSTGRES :
+        case dbmsACCESS :
+        case dbmsDBASE :
+        default :
+            alterSlashModify = "MODIFY";
+            break;
+    }
+
+    // create the SQL statement
+    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)
@@ -3313,7 +3547,7 @@ bool wxDb::ModifyColumn(const wxString &tableName, const wxString &columnName,
         sqlStmt += optionalParam;
     }
 
-	return ExecSql(sqlStmt);
+    return ExecSql(sqlStmt);
 
 } // wxDb::ModifyColumn()
 
@@ -3338,15 +3572,15 @@ wxDb WXDLLEXPORT *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCurso
         // name and must currently not be in use.
         if (pList->Free &&
             (pList->PtrDb->FwdOnlyCursors() == FwdOnlyCursors) &&
-            (!wxStrcmp(pDbConfig->Dsn, pList->Dsn)))  // Found a free connection
+            (!wxStrcmp(pDbConfig->GetDsn(), pList->Dsn)))  // Found a free connection
         {
             pList->Free = FALSE;
             return(pList->PtrDb);
         }
 
-        if (!wxStrcmp(pDbConfig->Dsn, pList->Dsn) &&
-            !wxStrcmp(pDbConfig->Uid, pList->Uid) &&
-            !wxStrcmp(pDbConfig->AuthStr, pList->AuthStr))
+        if (!wxStrcmp(pDbConfig->GetDsn(), pList->Dsn) &&
+            !wxStrcmp(pDbConfig->GetUserID(), pList->Uid) &&
+            !wxStrcmp(pDbConfig->GetPassword(), pList->AuthStr))
             matchingDbConnection = pList->PtrDb;
     }
 
@@ -3371,22 +3605,23 @@ wxDb WXDLLEXPORT *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCurso
     // Initialize new node in the linked list
     pList->PtrNext  = 0;
     pList->Free     = FALSE;
-    pList->Dsn      = pDbConfig->Dsn;
-    pList->Uid      = pDbConfig->Uid;
-    pList->AuthStr  = pDbConfig->AuthStr;
+    pList->Dsn      = pDbConfig->GetDsn();
+    pList->Uid      = pDbConfig->GetUserID();
+    pList->AuthStr  = pDbConfig->GetPassword();
 
-    pList->PtrDb = new wxDb(pDbConfig->Henv,FwdOnlyCursors);
+    pList->PtrDb = new wxDb(pDbConfig->GetHenv(), FwdOnlyCursors);
 
     bool opened = FALSE;
 
     if (!matchingDbConnection)
-        opened = pList->PtrDb->Open(pDbConfig->Dsn, pDbConfig->Uid, pDbConfig->AuthStr);
+        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);
     }
@@ -3435,6 +3670,7 @@ void WXDLLEXPORT wxDbCloseConnections(void)
         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
     }
@@ -3463,6 +3699,52 @@ int WXDLLEXPORT wxDbConnectionsInUse(void)
 }  // wxDbConnectionsInUse()
 
 
+
+/********** wxDbLogExtendedErrorMsg() **********/
+// DEBUG ONLY function
+const wxChar WXDLLEXPORT *wxDbLogExtendedErrorMsg(const wxChar *userText, wxDb *pDb,
+                             char *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)
 {