Added From(), OrderBy() and Where() functions that correspons to the Set/GetWhereClau...

[wxWidgets.git] / include / wx / db.h

diff --git a/include/wx/db.h b/include/wx/db.h
index 73c6e7ee12fa7502b12e77f054f7fa13f0437a69..0db9c051840719ee9b74ac8c13b026f371888e4d 100644 (file)
--- a/include/wx/db.h
+++ b/include/wx/db.h
@@ -1,11 +1,13 @@
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        db.h
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        db.h

-// Purpose:     Header file wxDB class.  The wxDB class represents a connection
-//              to an ODBC data source.  The wxDB class allows operations on the data
+// Purpose:     Header file 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
 //              source such as opening and closing the data source.
 // Author:      Doug Card
 // Modified by: George Tasker

-// Mods:        Dec, 1998: 
+//              Bart Jourquin
+//              Mark Johnson, wxWindows@mj10777.de
+// Mods:        Dec, 1998:

 //                -Added support for SQL statement logging and database cataloging
 //                     April, 1999
 //                -Added QUERY_ONLY mode support to reduce default number of cursors
 //                -Added support for SQL statement logging and database cataloging
 //                     April, 1999
 //                -Added QUERY_ONLY mode support to reduce default number of cursors


@@ -38,6 +40,12 @@
 #ifndef DB_DOT_H
 #define DB_DOT_H
 
 #ifndef DB_DOT_H
 #define DB_DOT_H
 

+
+// BJO 20000503: introduce new GetColumns members which are more database independant and 
+//               return columns in the order they were created
+#define OLD_GETCOLUMNS 1
+#define EXPERIMENTAL_WXDB_FUNCTIONS 1
+

 // Use this line for wxWindows v1.x
 //#include "wx_ver.h"
 // Use this line for wxWindows v2.x
 // Use this line for wxWindows v1.x
 //#include "wx_ver.h"
 // Use this line for wxWindows v2.x


@@ -45,7 +53,7 @@
 
 #if wxMAJOR_VERSION == 2
     #ifdef __GNUG__
 
 #if wxMAJOR_VERSION == 2
     #ifdef __GNUG__

-    #pragma interface "db.h"
+        #pragma interface "db.h"

     #endif
 #endif
 
     #endif
 #endif
 


@@ -53,18 +61,39 @@
 
 #if wxMAJOR_VERSION == 2
     extern "C" {
 
 #if wxMAJOR_VERSION == 2
     extern "C" {

+#ifdef __VISUALC__
+// If you use the wxDbCreateDataSource() function with MSW/VC6,
+// you cannot use the iODBC headers, you must use the VC headers,
+// plus the odbcinst.h header - gt Nov 2 2000
+//
+//  Must add "odbccp32.lib" in \wx2\wxWindows\src\makevc.env to the WINLIBS= line
+//
+    #include "sql.h"
+    #include "sqlext.h"
+    #include "odbcinst.h"
+#else

     #include "wx/isql.h"
     #include "wx/isqlext.h"
     #include "wx/isql.h"
     #include "wx/isqlext.h"

+#endif

     }
 #else  // version == 1
     extern "C" {
     }
 #else  // version == 1
     extern "C" {

+#ifdef __VISUALC__
+// If you use the wxDbCreateDataSource() function with MSW/VC6,
+// you cannot use the iODBC headers, you must use the VC headers,
+// plus the odbcinst.h header - gt Nov 2 2000
+    #include "sql.h"
+    #include "sqlext.h"
+    #include "odbcinst.h"
+#else

     #include "iodbc.h"
     #include "isqlext.h"
     #include "iodbc.h"
     #include "isqlext.h"

+#endif

     }
 #endif
 
     }
 #endif
 

-typedef float SFLOAT; 
-typedef double SDOUBLE; 
+typedef float SFLOAT;
+typedef double SDOUBLE;

 typedef unsigned int UINT;
 #define ULONG UDWORD
 
 typedef unsigned int UINT;
 #define ULONG UDWORD
 


@@ -87,10 +116,11 @@ enum enumDummy {enumDum1};
 #define FALSE 0
 #endif
 
 #define FALSE 0
 #endif
 

-const int DB_PATH_MAX                 = 254;
+const int wxDB_PATH_MAX                 = 254;
+
+extern char const *SQL_LOG_FILENAME;
+extern char const *SQL_CATALOG_FILENAME;

 
 

-char * const SQL_LOG_FILENAME         = "sqllog.txt";
-char * const SQL_CATALOG_FILENAME     = "catalog.txt";

 
 // Database Globals
 const int DB_TYPE_NAME_LEN            = 40;
 
 // Database Globals
 const int DB_TYPE_NAME_LEN            = 40;


@@ -128,7 +158,7 @@ const int DB_GRANT_DELETE             = 8;
 const int DB_GRANT_ALL                = DB_GRANT_SELECT | DB_GRANT_INSERT | DB_GRANT_UPDATE | DB_GRANT_DELETE;
 
 // ODBC Error codes (derived from ODBC SqlState codes)
 const int DB_GRANT_ALL                = DB_GRANT_SELECT | DB_GRANT_INSERT | DB_GRANT_UPDATE | DB_GRANT_DELETE;
 
 // ODBC Error codes (derived from ODBC SqlState codes)

-enum ODBC_ERRORS
+enum wxODBC_ERRORS

 {
     DB_FAILURE                        = 0,
     DB_SUCCESS                        = 1,
 {
     DB_FAILURE                        = 0,
     DB_SUCCESS                        = 1,


@@ -225,7 +255,7 @@ enum ODBC_ERRORS
 };
 
 
 };
 
 

-struct DbStuff
+struct wxDbConnectInf

 {
     HENV Henv;
     char Dsn[SQL_MAX_DSN_LENGTH+1];                    // Data Source Name
 {
     HENV Henv;
     char Dsn[SQL_MAX_DSN_LENGTH+1];                    // Data Source Name


@@ -236,11 +266,10 @@ struct DbStuff
     char fileType[SQL_MAX_DSN_LENGTH+1];               // Not sure what the max length is
 
     // Optionals needed for some databases like dBase
     char fileType[SQL_MAX_DSN_LENGTH+1];               // Not sure what the max length is
 
     // Optionals needed for some databases like dBase

-    char defaultDir[DB_PATH_MAX];                      // Directory that db file resides in
+    char defaultDir[wxDB_PATH_MAX];                      // Directory that db file resides in

 };
 
 };
 

-
-typedef struct
+struct wxDbSqlTypeInfo

 {
     char    TypeName[DB_TYPE_NAME_LEN];
     int     FsqlType;
 {
     char    TypeName[DB_TYPE_NAME_LEN];
     int     FsqlType;


@@ -248,28 +277,28 @@ typedef struct
     short   CaseSensitive;
 //    short MinimumScale;
     short   MaximumScale;
     short   CaseSensitive;
 //    short MinimumScale;
     short   MaximumScale;

-} SqlTypeInfo;
+};

 
 
 
 

-class WXDLLEXPORT wxColFor
+class WXDLLEXPORT wxDbColFor

 {
 public:
     wxString       s_Field;             // Formated String for Output
     wxString       s_Format[7];         // Formated Objects - TIMESTAMP has the biggest (7)
 {
 public:
     wxString       s_Field;             // Formated String for Output
     wxString       s_Format[7];         // Formated Objects - TIMESTAMP has the biggest (7)

-    wxString       s_Menge[7];          // Formated Objects - amount of things that can be formatted
-    int            i_Menge[7];          // Formated Objects - TT MM YYYY HH MM SS m
+    wxString       s_Amount[7];          // Formated Objects - amount of things that can be formatted
+    int            i_Amount[7];          // Formated Objects - TT MM YYYY HH MM SS m

     int            i_Nation;            // 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US
     int            i_dbDataType;        // conversion of the 'sqlDataType' to the generic data type used by these classes
     SWORD          i_sqlDataType;
 
     int            i_Nation;            // 0 = timestamp , 1=EU, 2=UK, 3=International, 4=US
     int            i_dbDataType;        // conversion of the 'sqlDataType' to the generic data type used by these classes
     SWORD          i_sqlDataType;
 

-    wxColFor();
-    ~wxColFor();
-  
+    wxDbColFor();
+    ~wxDbColFor();
+

     int            Format(int Nation, int dbDataType, SWORD sqlDataType, short columnSize, short decimalDigits);
 };
 
 
     int            Format(int Nation, int dbDataType, SWORD sqlDataType, short columnSize, short decimalDigits);
 };
 
 

-class WXDLLEXPORT wxColInf
+class WXDLLEXPORT wxDbColInf

 {
 public:
     char         catalog[128+1];
 {
 public:
     char         catalog[128+1];


@@ -290,42 +319,51 @@ public:
     char         PkTableName[DB_MAX_TABLE_NAME_LEN+1]; // Tables that use this PKey as a FKey
     int          FkCol;       // Foreign key column       0=No; 1= First Key, 2 = Second Key etc.
     char         FkTableName[DB_MAX_TABLE_NAME_LEN+1]; // Foreign key table name
     char         PkTableName[DB_MAX_TABLE_NAME_LEN+1]; // Tables that use this PKey as a FKey
     int          FkCol;       // Foreign key column       0=No; 1= First Key, 2 = Second Key etc.
     char         FkTableName[DB_MAX_TABLE_NAME_LEN+1]; // Foreign key table name

-    wxColFor    *pColFor;                              // How should this columns be formatted
+    wxDbColFor  *pColFor;                              // How should this columns be formatted
+
+    wxDbColInf();
+    ~wxDbColInf();

 };
 
 
 };
 
 

-class WXDLLEXPORT wxTableInf        // Description of a Table
+
+
+class WXDLLEXPORT wxDbTableInf        // Description of a Table

 {
 public:
 {
 public:

-    char      tableName[DB_MAX_TABLE_NAME_LEN+1];
-    char      tableType[254+1];           // "TABLE" or "SYSTEM TABLE" etc.
-    char      tableRemarks[254+1];
-    int       numCols;                    // How many Columns does this Table have: GetColumnCount(..);
-    wxColInf *pColInf;                    // pColInf = NULL ; User can later call GetColumns(..);
+    char        tableName[DB_MAX_TABLE_NAME_LEN+1];
+    char        tableType[254+1];           // "TABLE" or "SYSTEM TABLE" etc.
+    char        tableRemarks[254+1];
+    int         numCols;                    // How many Columns does this Table have: GetColumnCount(..);
+    wxDbColInf *pColInf;                    // pColInf = NULL ; User can later call GetColumns(..);
+    wxDbTableInf();
+    ~wxDbTableInf();

 };
 
 
 class WXDLLEXPORT wxDbInf     // Description of a Database
 {
 public:
 };
 
 
 class WXDLLEXPORT wxDbInf     // Description of a Database
 {
 public:

-    char        catalog[128+1];
-    char        schema[128+1];
-    int         numTables;           // How many tables does this database have
-    wxTableInf *pTableInf;           // pTableInf = new wxTableInf[numTables];
+    char          catalog[128+1];
+    char          schema[128+1];
+    int           numTables;           // How many tables does this database have
+    wxDbTableInf *pTableInf;           // pTableInf = new wxDbTableInf[numTables];
+
+    wxDbInf();
+    ~wxDbInf();

 };
 
 
 };
 
 

-enum sqlLog
+enum wxDbSqlLogState

 {
     sqlLogOFF,
     sqlLogON
 };
 
 {
     sqlLogOFF,
     sqlLogON
 };
 

-

 // These are the databases currently tested and working with these classes
 // These are the databases currently tested and working with these classes

-// See the comments in wxDB::Dbms() for exceptions/issues with
+// See the comments in wxDb::Dbms() for exceptions/issues with

 // each of these database engines
 // each of these database engines

-enum dbms
+enum wxDBMS

 {
     dbmsUNIDENTIFIED,
     dbmsORACLE,
 {
     dbmsUNIDENTIFIED,
     dbmsORACLE,


@@ -336,49 +374,78 @@ enum dbms
     dbmsPOSTGRES,
     dbmsACCESS,
     dbmsDBASE,
     dbmsPOSTGRES,
     dbmsACCESS,
     dbmsDBASE,

-    dbmsINFORMIX
+    dbmsINFORMIX,
+    dbmsVIRTUOSO,
+    dbmsDB2

 };
 
 
 };
 
 

-typedef enum dbms DBMS;
-
-
-// The wxDB::errorList is copied to this variable when the wxDB object
+// The wxDb::errorList is copied to this variable when the wxDb object

 // is closed.  This way, the error list is still available after the
 // is closed.  This way, the error list is still available after the

-// database object is closed.  This is necessary if the database 
+// database object is closed.  This is necessary if the database

 // connection fails so the calling application can show the operator
 // 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 
+// 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.
 extern char DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN];
 
 
 // this variable.
 extern char DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN];
 
 

-// Backward compability for Remstar classes.  This
-// will eventually go away, so the wxColXxxx classes
-// should be used
-typedef wxColInf CcolInf;
-
-
-class WXDLLEXPORT wxDB
+class WXDLLEXPORT wxDb

 {
 private:
 {
 private:

-
-    // Private data

     bool             dbIsOpen;
     char            *dsn;             // Data source name
     char            *uid;             // User ID
     char            *authStr;         // Authorization string (password)
     FILE            *fpSqlLog;        // Sql Log file pointer
     bool             dbIsOpen;
     char            *dsn;             // Data source name
     char            *uid;             // User ID
     char            *authStr;         // Authorization string (password)
     FILE            *fpSqlLog;        // Sql Log file pointer

-    enum sqlLog      sqlLogState;     // On or Off
+    wxDbSqlLogState  sqlLogState;     // On or Off

     bool             fwdOnlyCursors;
     bool             fwdOnlyCursors;

+    wxDBMS           dbmsType;        // Type of datasource - i.e. Oracle, dBase, SQLServer, etc

 
     // Private member functions
     bool             getDbInfo(void);
 
     // Private member functions
     bool             getDbInfo(void);

-    bool             getDataTypeInfo(SWORD fSqlType, SqlTypeInfo &structSQLTypeInfo);
+    bool             getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo);

     bool             setConnectionOptions(void);
     void             logError(const char *errMsg, const char *SQLState);
     bool             setConnectionOptions(void);
     void             logError(const char *errMsg, const char *SQLState);

+    void             initialize();
+#if !wxODBC_BACKWARD_COMPATABILITY
+    // ODBC handles
+    HENV  henv;        // ODBC Environment handle
+    HDBC  hdbc;        // ODBC DB Connection handle
+    HSTMT hstmt;       // ODBC Statement handle
+
+    //Error reporting mode
+    bool silent;
+
+    // Number of Ctable objects connected to this db object.  FOR INTERNAL USE ONLY!!!
+    unsigned int nTables;
+
+    // Information about logical data types VARCHAR, INTEGER, FLOAT and DATE.
+     //
+    // This information is obtained from the ODBC driver by use of the
+    // SQLGetTypeInfo() function.  The key piece of information is the
+    // type name the data source uses for each logical data type.
+    // e.g. VARCHAR; Oracle calls it VARCHAR2.
+    wxDbSqlTypeInfo typeInfVarchar;
+    wxDbSqlTypeInfo typeInfInteger;
+    wxDbSqlTypeInfo typeInfFloat;
+    wxDbSqlTypeInfo typeInfDate;
+#endif

 
 public:
 
 public:

+#if wxODBC_BACKWARD_COMPATABILITY
+    // ODBC handles
+    HENV  henv;        // ODBC Environment handle
+    HDBC  hdbc;        // ODBC DB Connection handle
+    HSTMT hstmt;       // ODBC Statement handle
+
+    //Error reporting mode
+    bool silent;
+
+    // Number of Ctable objects connected to this db object.  FOR INTERNAL USE ONLY!!!
+    unsigned int nTables;
+#endif
+

     // The following structure contains database information gathered from the
     // datasource when the datasource is first opened.
     struct
     // The following structure contains database information gathered from the
     // datasource when the datasource is first opened.
     struct


@@ -393,6 +460,7 @@ public:
         char   databaseName[128];                        // Database filename
         char   outerJoins[2];                            // Indicates whether the data source supports outer joins
         char   procedureSupport[2];                      // Indicates whether the data source supports stored procedures
         char   databaseName[128];                        // Database filename
         char   outerJoins[2];                            // Indicates whether the data source supports outer joins
         char   procedureSupport[2];                      // Indicates whether the data source supports stored procedures

+        char   accessibleTables[2];                      // Indicates whether the data source only reports accessible tables in SQLTables.

         UWORD  maxConnections;                           // Maximum # of connections the data source supports
         UWORD  maxStmts;                                 // Maximum # of HSTMTs per HDBC
         UWORD  apiConfLvl;                               // ODBC API conformance level
         UWORD  maxConnections;                           // Maximum # of connections the data source supports
         UWORD  maxStmts;                                 // Maximum # of HSTMTs per HDBC
         UWORD  apiConfLvl;                               // ODBC API conformance level


@@ -415,35 +483,31 @@ public:
         UDWORD loginTimeout;                             // Number seconds to wait for a login request
     } dbInf;
 
         UDWORD loginTimeout;                             // Number seconds to wait for a login request
     } dbInf;
 

-    // ODBC handles
-    HENV  henv;        // ODBC Environment handle
-    HDBC  hdbc;        // ODBC DB Connection handle
-    HSTMT hstmt;       // ODBC Statement handle
-

     // ODBC Error Inf.
     // ODBC Error Inf.

-    char   sqlState[20];
-    SDWORD nativeError;
-    char   errorMsg[SQL_MAX_MESSAGE_LENGTH];

     SWORD  cbErrorMsg;
     SWORD  cbErrorMsg;

-    char   errorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN];

     int    DB_STATUS;
     int    DB_STATUS;

+    wxChar errorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN];
+    wxChar errorMsg[SQL_MAX_MESSAGE_LENGTH];
+    SDWORD nativeError;
+    wxChar sqlState[20];

 
 

-    //Error reporting mode
-    bool silent;
-
-    // Number of Ctable objects connected to this db object
-    unsigned int nTables;
-
-    // Inf. about logical data types VARCHAR, INTEGER, FLOAT and DATE.
-    // This inf. is obtained from the ODBC driver by use of the
-    // SQLGetTypeInfo() function.  The key piece of inf. is the
+#if wxODBC_BACKWARD_COMPATABILITY
+    // Information about logical data types VARCHAR, INTEGER, FLOAT and DATE.
+     //
+    // This information is obtained from the ODBC driver by use of the
+    // SQLGetTypeInfo() function.  The key piece of information is the

     // type name the data source uses for each logical data type.
     // e.g. VARCHAR; Oracle calls it VARCHAR2.
     // type name the data source uses for each logical data type.
     // e.g. VARCHAR; Oracle calls it VARCHAR2.

-    SqlTypeInfo typeInfVarchar, typeInfInteger, typeInfFloat, typeInfDate;
-    
+    wxDbSqlTypeInfo typeInfVarchar;
+    wxDbSqlTypeInfo typeInfInteger;
+    wxDbSqlTypeInfo typeInfFloat;
+    wxDbSqlTypeInfo typeInfDate;
+#endif
+

     // Public member functions
     // Public member functions

-    wxDB(HENV &aHenv, bool FwdOnlyCursors=(bool)TRUE);
+    wxDb(HENV &aHenv, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS);

     bool         Open(char *Dsn, char *Uid, char *AuthStr);  // Data Source Name, User ID, Password
     bool         Open(char *Dsn, char *Uid, char *AuthStr);  // Data Source Name, User ID, Password

+    bool         Open(wxDb *copyDb);  // pointer to a wxDb whose connection info should be copied rather than re-queried

     void         Close(void);
     bool         CommitTrans(void);
     bool         RollbackTrans(void);
     void         Close(void);
     bool         CommitTrans(void);
     bool         RollbackTrans(void);


@@ -456,74 +520,138 @@ public:
     bool         GetNext(void);
     bool         GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned);
     bool         Grant(int privileges, const char *tableName, const char *userList = "PUBLIC");
     bool         GetNext(void);
     bool         GetData(UWORD colNo, SWORD cType, PTR pData, SDWORD maxLen, SDWORD FAR *cbReturned);
     bool         Grant(int privileges, const char *tableName, const char *userList = "PUBLIC");

-    int          TranslateSqlState(const char *SQLState);
+    int          TranslateSqlState(const wxChar *SQLState);

     wxDbInf     *GetCatalog(char *userID);
     bool         Catalog(const char *userID=NULL, const char *fileName = SQL_CATALOG_FILENAME);
     wxDbInf     *GetCatalog(char *userID);
     bool         Catalog(const char *userID=NULL, const char *fileName = SQL_CATALOG_FILENAME);

-    int          GetKeyFields(char *tableName, wxColInf* colInf,int nocols);
-    wxColInf    *GetColumns(char *tableName[], const char *userID=NULL);
-    wxColInf    *GetColumns(char *tableName, int *numCols, const char *userID=NULL);
+    int          GetKeyFields(char *tableName, wxDbColInf* colInf, int nocols);
+
+    wxDbColInf  *GetColumns(char *tableName[], const char *userID=NULL);
+    wxDbColInf  *GetColumns(char *tableName, int *numCols, const char *userID=NULL); 
+

     int          GetColumnCount(char *tableName, const char *userID=NULL);
     int          GetColumnCount(char *tableName, const char *userID=NULL);

-    char        *GetDatabaseName(void) {return dbInf.dbmsName;}
-    char        *GetDataSource(void)   {return dsn;}
-    char        *GetUsername(void)     {return uid;}
-    char        *GetPassword(void)     {return authStr;}
-    bool         IsOpen(void)          {return dbIsOpen;}
-    HENV         GetHENV(void)         {return henv;}
-    HDBC         GetHDBC(void)         {return hdbc;}
-    HSTMT        GetHSTMT(void)        {return hstmt;}
+    const char  *GetDatabaseName(void)  {return dbInf.dbmsName;}
+    const char  *GetDataSource(void)    {return (const char *)dsn;}
+    const char  *GetDataSourceName(void){return (const char *)dsn;}
+    const char  *GetUsername(void)      {return (const char *)uid;}
+    const char  *GetPassword(void)      {return (const char *)authStr;}
+    bool         IsOpen(void)           {return dbIsOpen;}
+    HENV         GetHENV(void)          {return henv;}
+    HDBC         GetHDBC(void)          {return hdbc;}
+    HSTMT        GetHSTMT(void)         {return hstmt;}
+    int          GetTableCount()        {return nTables;};  // number of tables using this connection
+    wxDbSqlTypeInfo GetTypeInfVarchar() {return typeInfVarchar;}
+    wxDbSqlTypeInfo GetTypeInfInteger() {return typeInfInteger;}
+    wxDbSqlTypeInfo GetTypeInfFloat()   {return typeInfFloat;}
+    wxDbSqlTypeInfo GetTypeInfDate()    {return typeInfDate;}
+

     bool         TableExists(const char *tableName, const char *userID=NULL, const char *path=NULL);  // Table name can refer to a table, view, alias or synonym
     bool         TableExists(const char *tableName, const char *userID=NULL, const char *path=NULL);  // Table name can refer to a table, view, alias or synonym

+    bool         TablePrivileges(const char *tableName, const char* priv, const char *userID=NULL, const char *path="");  // Table name can refer to a table, view, alias or synonym

     void         LogError(const char *errMsg, const char *SQLState = 0) {logError(errMsg, SQLState);}
     void         LogError(const char *errMsg, const char *SQLState = 0) {logError(errMsg, SQLState);}

-    bool         SqlLog(enum sqlLog state, const char *filename = SQL_LOG_FILENAME, bool append = FALSE);
-    bool         WriteSqlLog(const char *logMsg);
-    DBMS         Dbms(void);
-    bool         FwdOnlyCursors(void) {return fwdOnlyCursors;}
-};  // wxDB
+    void         SetDebugErrorMessages(bool state) { silent = !state; }
+    bool         SetSqlLogging(wxDbSqlLogState state, const wxChar *filename = SQL_LOG_FILENAME, bool append = FALSE);
+    bool         WriteSqlLog(const wxChar *logMsg);
+    wxDBMS       Dbms(void);
+    bool         FwdOnlyCursors(void)  {return fwdOnlyCursors;}
+
+    // These two functions are provided strictly for use by wxDbTable.
+    // DO NOT USE THESE FUNCTIONS, OR MEMORY LEAKS MAY OCCUR
+    void         incrementTableCount() { nTables++; return; }
+    void         decrementTableCount() { nTables--; return; }
+
+};  // wxDb
+

 
 // This structure forms a node in a linked list.  The linked list of "DbList" objects
 // keeps track of allocated database connections.  This allows the application to
 // open more than one database connection through ODBC for multiple transaction support
 // or for multiple database support.
 
 // This structure forms a node in a linked list.  The linked list of "DbList" objects
 // keeps track of allocated database connections.  This allows the application to
 // open more than one database connection through ODBC for multiple transaction support
 // or for multiple database support.

-
-struct DbList
+struct wxDbList

 {
 {

-    DbList *PtrPrev;                      // Pointer to previous item in the list
-    char    Dsn[SQL_MAX_DSN_LENGTH+1];    // Data Source Name
-    wxDB   *PtrDb;                        // Pointer to the wxDB object
-    bool    Free;                         // Is item free or in use?
-    DbList *PtrNext;                      // Pointer to next item in the list
+    wxDbList *PtrPrev;                      // Pointer to previous item in the list
+    wxChar    Dsn[SQL_MAX_DSN_LENGTH+1];    // Data Source Name
+    wxChar    Uid[20+1];                    // User ID
+    wxChar    AuthStr[20+1];                // Authorization string (password)
+    wxDb     *PtrDb;                        // Pointer to the wxDb object
+    bool      Free;                         // Is item free or in use?
+    wxDbList *PtrNext;                      // Pointer to next item in the list

 };
 
 };
 

-

 #ifdef __WXDEBUG__
 #include "wx/object.h"
 #ifdef __WXDEBUG__
 #include "wx/object.h"

-class CstructTablesInUse : public wxObject
+class wxTablesInUse : public wxObject

 {
     public:
         const char    *tableName;
         ULONG          tableID;
 {
     public:
         const char    *tableName;
         ULONG          tableID;

-        class wxDB    *pDb;
-};  // CstructTablesInUse
+        class wxDb    *pDb;
+};  // wxTablesInUse

 #endif
 
 #endif
 

+

 // The following routines allow a user to get new database connections, free them
 // for other code segments to use, or close all of them when the application has
 // completed.
 // The following routines allow a user to get new database connections, free them
 // for other code segments to use, or close all of them when the application has
 // completed.

+wxDb  WXDLLEXPORT *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS);
+bool  WXDLLEXPORT  wxDbFreeConnection(wxDb *pDb);
+void  WXDLLEXPORT  wxDbCloseConnections(void);
+int   WXDLLEXPORT  wxDbConnectionsInUse(void);

 
 

-wxDB  WXDLLEXPORT *GetDbConnection(DbStuff *pDbStuff, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS);
-bool  WXDLLEXPORT  FreeDbConnection(wxDB *pDb);
-void  WXDLLEXPORT  CloseDbConnections(void);
-int   WXDLLEXPORT  NumberDbConnectionsInUse(void);

 
 

+// This function sets the sql log state for all open wxDb objects
+bool wxDbSqlLog(wxDbSqlLogState state, const wxChar *filename = SQL_LOG_FILENAME);

 
 

-// This function sets the sql log state for all open wxDB objects
-bool SqlLog(enum sqlLog state, const char *filename = SQL_LOG_FILENAME);

 
 

+#if 0
+// MSW/VC6 ONLY!!!  Experimental
+int WXDLLEXPORT wxDbCreateDataSource(const char *driverName, const char *dsn, const char *description="",
+                                     bool sysDSN=FALSE, const char *defDir="", wxWindow *parent=NULL);
+#endif

 
 // This routine allows you to query a driver manager
 // for a list of available datasources.  Call this routine
 // the first time using SQL_FETCH_FIRST.  Continue to call it
 // using SQL_FETCH_NEXT until you've exhausted the list.
 
 // This routine allows you to query a driver manager
 // for a list of available datasources.  Call this routine
 // the first time using SQL_FETCH_FIRST.  Continue to call it
 // using SQL_FETCH_NEXT until you've exhausted the list.

+bool WXDLLEXPORT wxDbGetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDescMax,
+                                   UWORD direction = SQL_FETCH_NEXT);
+
+
+// Change this to 0 to remove use of all deprecated functions
+#if wxODBC_BACKWARD_COMPATABILITY
+//#################################################################################
+//############### DEPRECATED functions for backward compatability #################
+//#################################################################################
+
+// Backward compability structures/classes.  This will eventually go away
+const int DB_PATH_MAX      = wxDB_PATH_MAX;
+
+typedef wxDb                 wxDB;
+typedef wxDbTableInf         wxTableInf;
+typedef wxDbColInf           wxColInf;
+typedef wxDbColInf           CcolInf;
+typedef wxDbColFor           wxColFor;
+typedef wxDbSqlTypeInfo      SqlTypeInfo;
+typedef wxDbSqlTypeInfo      wxSqlTypeInfo;
+typedef enum wxDbSqlLogState sqlLog;
+typedef enum wxDbSqlLogState wxSqlLogState;
+typedef enum wxDBMS          dbms;
+typedef enum wxDBMS          DBMS;
+typedef wxODBC_ERRORS        ODBC_ERRORS;
+typedef wxDbConnectInf       DbStuff;
+typedef wxDbList             DbList;
+#ifdef __WXDEBUG__
+typedef wxTablesInUse        CstructTablesInUse;
+#endif
+
+// Deprecated function names that are replaced by the function names listed above
+wxDB  WXDLLEXPORT *GetDbConnection(DbStuff *pDbStuff, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS);
+bool  WXDLLEXPORT  FreeDbConnection(wxDB *pDb);
+void  WXDLLEXPORT  CloseDbConnections(void);
+int   WXDLLEXPORT  NumberDbConnectionsInUse(void);
+
+bool SqlLog(sqlLog state, const wxChar *filename = SQL_LOG_FILENAME);
+

 bool WXDLLEXPORT GetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDescMax,
                                UWORD direction = SQL_FETCH_NEXT);
 bool WXDLLEXPORT GetDataSource(HENV henv, char *Dsn, SWORD DsnMax, char *DsDesc, SWORD DsDescMax,
                                UWORD direction = SQL_FETCH_NEXT);

+#endif  // Deprecated structures/classes/functions

 
 #endif
 
 #endif