///////////////////////////////////////////////////////////////////////////////
// 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
+// Bart Jourquin
+// Mark Johnson, wxWindows@mj10777.de
// Mods: Dec, 1998:
// -Added support for SQL statement logging and database cataloging
// April, 1999
#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
#if wxMAJOR_VERSION == 2
#ifdef __GNUG__
- #pragma interface "db.h"
+ #pragma interface "db.h"
#endif
#endif
#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"
-// If you use the wxCreateDataSource() function with MSW/VC6,
-// you cannot use the iODBC headers, you must use the VC headers,
-// plus the odbcinst.h header
- //#include "sql.h"
- //#include "sqlext.h"
- //#include "odbcinst.h"
+#endif
}
#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"
+#endif
}
#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;
// Database Globals
const int DB_TYPE_NAME_LEN = 40;
-const int DB_MAX_STATEMENT_LEN = 2048;
-const int DB_MAX_WHERE_CLAUSE_LEN = 1024;
+const int DB_MAX_STATEMENT_LEN = 4096;
+const int DB_MAX_WHERE_CLAUSE_LEN = 2048;
const int DB_MAX_ERROR_MSG_LEN = 512;
const int DB_MAX_ERROR_HISTORY = 5;
const int DB_MAX_TABLE_NAME_LEN = 128;
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
};
-struct wxSqlTypeInfo
+struct wxDbSqlTypeInfo
{
char TypeName[DB_TYPE_NAME_LEN];
int FsqlType;
};
-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)
- 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;
- wxColFor();
- ~wxColFor();
+ wxDbColFor();
+ ~wxDbColFor();
int Format(int Nation, int dbDataType, SWORD sqlDataType, short columnSize, short decimalDigits);
};
-class WXDLLEXPORT wxColInf
+class WXDLLEXPORT wxDbColInf
{
public:
char catalog[128+1];
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:
- 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:
- 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 wxSqlLogState
+enum wxDbSqlLogState
{
sqlLogOFF,
sqlLogON
};
// 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
enum wxDBMS
{
dbmsPOSTGRES,
dbmsACCESS,
dbmsDBASE,
- dbmsINFORMIX
+ dbmsINFORMIX,
+ dbmsVIRTUOSO,
+ dbmsDB2,
+ dbmsINTERBASE
};
-// 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
// 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
+// 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];
-class WXDLLEXPORT wxDB
+class WXDLLEXPORT wxDb
{
private:
bool dbIsOpen;
char *uid; // User ID
char *authStr; // Authorization string (password)
FILE *fpSqlLog; // Sql Log file pointer
- wxSqlLogState sqlLogState; // On or Off
+ wxDbSqlLogState sqlLogState; // On or Off
bool fwdOnlyCursors;
+ wxDBMS dbmsType; // Type of datasource - i.e. Oracle, dBase, SQLServer, etc
// Private member functions
bool getDbInfo(void);
- bool getDataTypeInfo(SWORD fSqlType, wxSqlTypeInfo &structSQLTypeInfo);
+ bool getDataTypeInfo(SWORD fSqlType, wxDbSqlTypeInfo &structSQLTypeInfo);
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:
+#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
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
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.
- char sqlState[20];
- SDWORD nativeError;
- char errorMsg[SQL_MAX_MESSAGE_LENGTH];
SWORD cbErrorMsg;
- char errorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN];
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.
- wxSqlTypeInfo typeInfVarchar, typeInfInteger, typeInfFloat, typeInfDate;
+ wxDbSqlTypeInfo typeInfVarchar;
+ wxDbSqlTypeInfo typeInfInteger;
+ wxDbSqlTypeInfo typeInfFloat;
+ wxDbSqlTypeInfo typeInfDate;
+#endif
// 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(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);
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);
- 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);
- 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
- void LogError(const char *errMsg, const char *SQLState = 0) {logError(errMsg, SQLState);}
- bool SqlLog(wxSqlLogState state, const char *filename = SQL_LOG_FILENAME, bool append = FALSE);
- bool WriteSqlLog(const char *logMsg);
+ bool TablePrivileges(const char *tableName, const char* priv, const char *userID="", const char *schema=NULL, const char *path=""); // Table name can refer to a table, view, alias or synonym
+ void LogError(const char *errMsg, const char *SQLState = NULL) {logError(errMsg, SQLState);}
+ 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;}
-}; // wxDB
+ 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
struct wxDbList
{
wxDbList *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
+ 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
};
public:
const char *tableName;
ULONG tableID;
- class wxDB *pDb;
+ class wxDb *pDb;
}; // wxTablesInUse
#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.
-wxDB WXDLLEXPORT *wxDbGetConnection(wxDbConnectInf *pDbConfig, bool FwdOnlyCursors=(bool)wxODBC_FWD_ONLY_CURSORS);
-bool WXDLLEXPORT wxDbFreeConnection(wxDB *pDb);
+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);
-// This function sets the sql log state for all open wxDB objects
-bool wxDbSqlLog(wxSqlLogState state, const char *filename = SQL_LOG_FILENAME);
+// This function sets the sql log state for all open wxDb objects
+bool wxDbSqlLog(wxDbSqlLogState state, const wxChar *filename = SQL_LOG_FILENAME);
#if 0
// Change this to 0 to remove use of all deprecated functions
-#if 1
+#if wxODBC_BACKWARD_COMPATABILITY
//#################################################################################
//############### DEPRECATED functions for backward compatability #################
//#################################################################################
// Backward compability structures/classes. This will eventually go away
-typedef wxColInf CcolInf;
-typedef wxSqlTypeInfo SqlTypeInfo;
-typedef enum wxSqlLogState sqlLog;
-typedef enum wxDBMS dbms;
-typedef enum wxDBMS DBMS;
-typedef wxODBC_ERRORS ODBC_ERRORS;
-typedef wxDbConnectInf DbStuff;
-typedef wxDbList DbList;
+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;
+typedef wxTablesInUse CstructTablesInUse;
#endif
// Deprecated function names that are replaced by the function names listed above
void WXDLLEXPORT CloseDbConnections(void);
int WXDLLEXPORT NumberDbConnectionsInUse(void);
-bool SqlLog(sqlLog state, const char *filename = SQL_LOG_FILENAME);
+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);
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