// connection
char DBerrorList[DB_MAX_ERROR_HISTORY][DB_MAX_ERROR_MSG_LEN];
-#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
-// This type defines the return row-struct form
+// This type defines the return row-struct form
// SQLTablePrivileges, and is used by wxDB::TablePrivileges.
-typedef struct
+typedef struct
{
- char tableQual[129];
- char tableOwner[129];
- char tableName[129];
- char grantor[129];
- char grantee[129];
- char privilege[129];
- char grantable[4];
+ wxChar tableQual[128+1];
+ wxChar tableOwner[128+1];
+ wxChar tableName[128+1];
+ wxChar grantor[128+1];
+ wxChar grantee[128+1];
+ wxChar privilege[128+1];
+ wxChar grantable[3+1];
} wxDbTablePrivilegeInfo;
-#endif
/********** wxDbColFor Constructor **********/
/********** wxDbInf Constructor *************/
wxDbInf::wxDbInf()
{
- catalog[0] = 0;
+ catalog[0] = 0;
schema[0] = 0;
numTables = 0;
pTableInf = NULL;
// -- 19991224 : mj10777 : Create
// There is still a lot of work to do here, but it is a start
// It handles all the basic data-types that I have run into up to now
- // The main work will have be with Dates and float Formatting
+ // The main work will have be with Dates and float Formatting
// (US 1,000.00 ; EU 1.000,00)
// There are wxWindow plans for locale support and the new wxDateTime. If
// they define some constants (wxEUROPEAN) that can be gloably used,
{
if ((i_sqlDataType == SQL_VARCHAR) || (i_sqlDataType == SQL_LONGVARCHAR))
i_dbDataType = DB_DATA_TYPE_VARCHAR;
- if (i_sqlDataType == SQL_C_DATE)
+ if ((i_sqlDataType == SQL_C_DATE) || (i_sqlDataType == SQL_C_TIMESTAMP))
i_dbDataType = DB_DATA_TYPE_DATE;
if (i_sqlDataType == SQL_C_BIT)
i_dbDataType = DB_DATA_TYPE_INTEGER;
} // wxDbColFor::Format()
-/********** wxDb Constructor **********/
+/********** wxDb Constructors **********/
wxDb::wxDb(HENV &aHenv, bool FwdOnlyCursors)
+{
+ // Copy the HENV into the db class
+ henv = aHenv;
+ fwdOnlyCursors = FwdOnlyCursors;
+ initialize();
+} // wxDb::wxDb()
+
+
+void wxDb::initialize()
+/*
+ * Private member function that sets all wxDb member variables to
+ * known values at creation of the wxDb
+ */
{
int i;
fpSqlLog = 0; // Sql Log file pointer
sqlLogState = sqlLogOFF; // By default, logging is turned off
nTables = 0;
+ dbmsType = dbmsUNIDENTIFIED;
wxStrcpy(sqlState,wxT(""));
wxStrcpy(errorMsg,wxT(""));
// Error reporting is turned OFF by default
silent = TRUE;
- // Copy the HENV into the db class
- henv = aHenv;
- fwdOnlyCursors = FwdOnlyCursors;
-
// Allocate a data source connection handle
if (SQLAllocConnect(henv, &hdbc) != SQL_SUCCESS)
DispAllErrors(henv);
// Mark database as not open as of yet
dbIsOpen = FALSE;
-
-} // wxDb::wxDb()
+} // wxDb::initialize()
/********** wxDb::Open() **********/
}
// Connect to the data source
- retcode = SQLConnect(hdbc, (UCHAR FAR *) Dsn, SQL_NTS,
- (UCHAR FAR *) Uid, SQL_NTS,
- (UCHAR FAR *) AuthStr,SQL_NTS);
+ retcode = SQLConnect(hdbc, (UCHAR FAR *) dsn, SQL_NTS,
+ (UCHAR FAR *) uid, SQL_NTS,
+ (UCHAR FAR *) authStr,SQL_NTS);
+/*
if (retcode == SQL_SUCCESS_WITH_INFO)
DispAllErrors(henv, hdbc);
else if (retcode != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
+ if (retcode == SQL_ERROR)
+ return(DispAllErrors(henv, hdbc));
+*/
+ if ((retcode != SQL_SUCCESS) &&
+ (retcode != SQL_SUCCESS_WITH_INFO))
+ return(DispAllErrors(henv, hdbc));
+
/*
If using Intersolv branded ODBC drivers, this is the place where you would substitute
your branded driver license information
return(DispAllErrors(henv, hdbc));
// Set Connection Options
- if (! setConnectionOptions())
+ if (!setConnectionOptions())
return(FALSE);
// Query the data source for inf. about itself
- if (! getDbInfo())
+ if (!getDbInfo())
return(FALSE);
// Query the data source regarding data type information
else
typeInfFloat.FsqlType = SQL_DOUBLE;
-
// Integer
- if (!getDataTypeInfo(SQL_INTEGER, typeInfInteger))
+ if (!getDataTypeInfo(SQL_INTEGER, typeInfInteger))
{
// If SQL_INTEGER is not supported, use the floating point
// data type to store integers as well as floats
} // wxDb::Open()
+bool wxDb::Open(wxDb *copyDb)
+{
+ dsn = (char *)copyDb->GetDatasourceName();
+ uid = (char *)copyDb->GetUsername();
+ authStr = (char *)copyDb->GetPassword();
+
+ RETCODE retcode;
+
+ if (!FwdOnlyCursors())
+ {
+ // Specify that the ODBC cursor library be used, if needed. This must be
+ // specified before the connection is made.
+ retcode = SQLSetConnectOption(hdbc, SQL_ODBC_CURSORS, SQL_CUR_USE_IF_NEEDED);
+
+#ifdef DBDEBUG_CONSOLE
+ if (retcode == SQL_SUCCESS)
+ cout << "SQLSetConnectOption(CURSOR_LIB) successful" << endl;
+ else
+ cout << "SQLSetConnectOption(CURSOR_LIB) failed" << endl;
+#endif
+ }
+
+ // Connect to the data source
+ retcode = SQLConnect(hdbc, (UCHAR FAR *) dsn, SQL_NTS,
+ (UCHAR FAR *) uid, SQL_NTS,
+ (UCHAR FAR *) authStr, SQL_NTS);
+
+ 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) "");
+ SQLSetConnectOption(hdbc, 1042, (UDWORD) "");
+*/
+
+ // Mark database as open
+ dbIsOpen = TRUE;
+
+ // Allocate a statement handle for the database connection
+ if (SQLAllocStmt(hdbc, &hstmt) != SQL_SUCCESS)
+ return(DispAllErrors(henv, hdbc));
+
+ // Set Connection Options
+ if (!setConnectionOptions())
+ return(FALSE);
+
+ // Instead of Querying the data source for info about itself, it can just be copied
+ // from the wxDb instance that was passed in (copyDb).
+ wxStrcpy(dbInf.serverName,copyDb->dbInf.serverName);
+ wxStrcpy(dbInf.databaseName,copyDb->dbInf.databaseName);
+ wxStrcpy(dbInf.dbmsName,copyDb->dbInf.dbmsName);
+ wxStrcpy(dbInf.dbmsVer,copyDb->dbInf.dbmsVer);
+ dbInf.maxConnections = copyDb->dbInf.maxConnections;
+ dbInf.maxStmts = copyDb->dbInf.maxStmts;
+ wxStrcpy(dbInf.driverName,copyDb->dbInf.driverName);
+ wxStrcpy(dbInf.odbcVer,copyDb->dbInf.odbcVer);
+ wxStrcpy(dbInf.drvMgrOdbcVer,copyDb->dbInf.drvMgrOdbcVer);
+ wxStrcpy(dbInf.driverVer,copyDb->dbInf.driverVer);
+ dbInf.apiConfLvl = copyDb->dbInf.apiConfLvl;
+ dbInf.cliConfLvl = copyDb->dbInf.cliConfLvl;
+ dbInf.sqlConfLvl = copyDb->dbInf.sqlConfLvl;
+ wxStrcpy(dbInf.outerJoins,copyDb->dbInf.outerJoins);
+ wxStrcpy(dbInf.procedureSupport,copyDb->dbInf.procedureSupport);
+ wxStrcpy(dbInf.accessibleTables,copyDb->dbInf.accessibleTables);
+ dbInf.cursorCommitBehavior = copyDb->dbInf.cursorCommitBehavior;
+ dbInf.cursorRollbackBehavior = copyDb->dbInf.cursorRollbackBehavior;
+ dbInf.supportNotNullClause = copyDb->dbInf.supportNotNullClause;
+ wxStrcpy(dbInf.supportIEF,copyDb->dbInf.supportIEF);
+ dbInf.txnIsolation = copyDb->dbInf.txnIsolation;
+ dbInf.txnIsolationOptions = copyDb->dbInf.txnIsolationOptions;
+ dbInf.fetchDirections = copyDb->dbInf.fetchDirections;
+ dbInf.lockTypes = copyDb->dbInf.lockTypes;
+ dbInf.posOperations = copyDb->dbInf.posOperations;
+ dbInf.posStmts = copyDb->dbInf.posStmts;
+ dbInf.scrollConcurrency = copyDb->dbInf.scrollConcurrency;
+ dbInf.scrollOptions = copyDb->dbInf.scrollOptions;
+ dbInf.staticSensitivity = copyDb->dbInf.staticSensitivity;
+ dbInf.txnCapable = copyDb->dbInf.txnCapable;
+ dbInf.loginTimeout = copyDb->dbInf.loginTimeout;
+
+ // VARCHAR = Variable length character string
+ typeInfVarchar.FsqlType = copyDb->typeInfVarchar.FsqlType;
+ wxStrcpy(typeInfVarchar.TypeName, copyDb->typeInfVarchar.TypeName);
+ typeInfVarchar.Precision = copyDb->typeInfVarchar.Precision;
+ typeInfVarchar.CaseSensitive = copyDb->typeInfVarchar.CaseSensitive;
+ typeInfVarchar.MaximumScale = copyDb->typeInfVarchar.MaximumScale;
+
+ // Float
+ typeInfFloat.FsqlType = copyDb->typeInfFloat.FsqlType;
+ wxStrcpy(typeInfFloat.TypeName, copyDb->typeInfFloat.TypeName);
+ typeInfFloat.Precision = copyDb->typeInfFloat.Precision;
+ typeInfFloat.CaseSensitive = copyDb->typeInfFloat.CaseSensitive;
+ typeInfFloat.MaximumScale = copyDb->typeInfFloat.MaximumScale;
+
+ // Integer
+ typeInfInteger.FsqlType = copyDb->typeInfInteger.FsqlType;
+ wxStrcpy(typeInfInteger.TypeName, copyDb->typeInfInteger.TypeName);
+ typeInfInteger.Precision = copyDb->typeInfInteger.Precision;
+ typeInfInteger.CaseSensitive = copyDb->typeInfInteger.CaseSensitive;
+ typeInfInteger.MaximumScale = copyDb->typeInfInteger.MaximumScale;
+
+ // Date/Time
+ typeInfDate.FsqlType = copyDb->typeInfDate.FsqlType;
+ wxStrcpy(typeInfDate.TypeName, copyDb->typeInfDate.TypeName);
+ typeInfDate.Precision = copyDb->typeInfDate.Precision;
+ typeInfDate.CaseSensitive = copyDb->typeInfDate.CaseSensitive;
+ typeInfDate.MaximumScale = copyDb->typeInfDate.MaximumScale;
+
+#ifdef DBDEBUG_CONSOLE
+ cout << "VARCHAR DATA TYPE: " << typeInfVarchar.TypeName << endl;
+ cout << "INTEGER DATA TYPE: " << typeInfInteger.TypeName << endl;
+ cout << "FLOAT DATA TYPE: " << typeInfFloat.TypeName << endl;
+ cout << "DATE DATA TYPE: " << typeInfDate.TypeName << endl;
+ cout << endl;
+#endif
+
+ // Completed Successfully
+ return(TRUE);
+} // wxDb::Open() 2
+
+
/********** wxDb::setConnectionOptions() **********/
bool wxDb::setConnectionOptions(void)
/*
* NOTE: The Intersolv/Oracle 7 driver was "Not Capable" of setting the login timeout.
*/
{
+ SWORD cb;
+
+ // I need to get the DBMS name here, because some of the connection options
+ // are database specific and need to call the Dbms() function.
+ if (SQLGetInfo(hdbc, SQL_DBMS_NAME, (UCHAR*) dbInf.dbmsName, 40, &cb) != SQL_SUCCESS)
+ return(DispAllErrors(henv, hdbc));
+
SQLSetConnectOption(hdbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF);
SQLSetConnectOption(hdbc, SQL_OPT_TRACE, SQL_OPT_TRACE_OFF);
+// SQLSetConnectOption(hdbc, SQL_TXN_ISOLATION, SQL_TXN_READ_COMMITTED); // No dirty reads
+
+ // By default, MS Sql Server closes cursors on commit and rollback. The following
+ // call to SQLSetConnectOption() is needed to force SQL Server to preserve cursors
+ // after a transaction. This is a driver specific option and is not part of the
+ // ODBC standard. Note: this behavior is specific to the ODBC interface to SQL Server.
+ // The database settings don't have any effect one way or the other.
+ if (Dbms() == dbmsMS_SQL_SERVER)
+ {
+ const long SQL_PRESERVE_CURSORS = 1204L;
+ const long SQL_PC_ON = 1L;
+ SQLSetConnectOption(hdbc, SQL_PRESERVE_CURSORS, SQL_PC_ON);
+ }
// Display the connection options to verify them
#ifdef DBDEBUG_CONSOLE
return(DispAllErrors(henv, hdbc));
if (SQLGetInfo(hdbc, SQL_ODBC_SAG_CLI_CONFORMANCE, (UCHAR*) &dbInf.cliConfLvl, sizeof(dbInf.cliConfLvl), &cb) != SQL_SUCCESS)
- return(DispAllErrors(henv, hdbc));
+// return(DispAllErrors(henv, hdbc));
+ {
+ // Not all drivers support this call - Nick Gorham(unixODBC)
+ dbInf.cliConfLvl = 0;
+ }
if (SQLGetInfo(hdbc, SQL_ODBC_SQL_CONFORMANCE, (UCHAR*) &dbInf.sqlConfLvl, sizeof(dbInf.sqlConfLvl), &cb) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
if (SQLGetInfo(hdbc, SQL_PROCEDURES, (UCHAR*) dbInf.procedureSupport, 2, &cb) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
-#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
+
if (SQLGetInfo(hdbc, SQL_ACCESSIBLE_TABLES, (UCHAR*) dbInf.accessibleTables, 2, &cb) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
-#endif
+
if (SQLGetInfo(hdbc, SQL_CURSOR_COMMIT_BEHAVIOR, (UCHAR*) &dbInf.cursorCommitBehavior, sizeof(dbInf.cursorCommitBehavior), &cb) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc));
cout << "Max. Connections: " << dbInf.maxConnections << endl;
cout << "Outer Joins: " << dbInf.outerJoins << endl;
cout << "Support for Procedures: " << dbInf.procedureSupport << endl;
-#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
cout << "All tables accessible : " << dbInf.accessibleTables << endl;
-#endif
cout << "Cursor COMMIT Behavior: ";
switch(dbInf.cursorCommitBehavior)
{
*/
RETCODE retcode;
SDWORD cbRet;
-
+
// Get information about the data type specified
if (SQLGetTypeInfo(hstmt, fSqlType) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
// Obtain columns from the record
if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) structSQLTypeInfo.TypeName, DB_TYPE_NAME_LEN, &cbRet) != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
-
// BJO 20000503: no more needed with new GetColumns...
#if OLD_GETCOLUMNS
if (!wxStrcmp(structSQLTypeInfo.TypeName, "middleint")) wxStrcpy(structSQLTypeInfo.TypeName, "mediumint");
if (!wxStrcmp(structSQLTypeInfo.TypeName, "varchar")) wxStrcpy(structSQLTypeInfo.TypeName, "char");
}
-
- // BJO 20000427 : OpenLink driver
+
+ // BJO 20000427 : OpenLink driver
if (!wxStrncmp(dbInf.driverName, "oplodbc", 7) ||
- !wxStrncmp(dbInf.driverName, "OLOD", 4))
+ !wxStrncmp(dbInf.driverName, "OLOD", 4))
{
if (!wxStrcmp(structSQLTypeInfo.TypeName, "double precision"))
wxStrcpy(structSQLTypeInfo.TypeName, "real");
for (i = 0; i < DB_MAX_ERROR_HISTORY; i++)
wxStrcpy(DBerrorList[i],errorList[i]);
+ dbmsType = dbmsUNIDENTIFIED;
+ dbIsOpen = FALSE;
+
} // wxDb::Close()
/********** wxDb::DispAllErrors() **********/
bool wxDb::DispAllErrors(HENV aHenv, HDBC aHdbc, HSTMT aHstmt)
+/*
+ * This function is called internally whenever an error condition prevents the user's
+ * request from being executed. This function will query the datasource as to the
+ * actual error(s) that just occured on the previous request of the datasource.
+ *
+ * The function will retrieve each error condition from the datasource and
+ * sprintf the codes/text values into a string which it then logs via logError().
+ * If in DBDEBUG_CONSOLE mode, the constructed string will be displayed in the console
+ * window and program execution will be paused until the user presses a key.
+ *
+ * This function always returns a FALSE, so that functions which call this function
+ * can have a line like "return (DispAllErrors(henv, hdbc));" to indicate the failure
+ * of the users request, so that the calling code can then process the error msg log
+ */
{
-// char odbcErrMsg[DB_MAX_ERROR_MSG_LEN];
wxString odbcErrMsg;
while (SQLError(aHenv, aHdbc, aHstmt, (UCHAR FAR *) sqlState, &nativeError, (UCHAR FAR *) errorMsg, SQL_MAX_MESSAGE_LENGTH - 1, &cbErrorMsg) == SQL_SUCCESS)
if (Dbms() == dbmsDBASE)
UserID = "";
- // Oracle user names may only be in uppercase, so force
+ // Oracle and Interbase user names may only be in uppercase, so force
// the name to uppercase
if (Dbms() == dbmsORACLE)
UserID = UserID.Upper();
for (tbl = 0; tableName[tbl]; tbl++)
{
TableName = tableName[tbl];
- // Oracle table names are uppercase only, so force
+ // Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
- if (Dbms() == dbmsORACLE)
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
SQLFreeStmt(hstmt, SQL_CLOSE);
- // MySQL and Access cannot accept a user name when looking up column names, so we
+ // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
// use the call below that leaves out the user name
if (wxStrcmp(UserID.c_str(),wxT("")) &&
Dbms() != dbmsMY_SQL &&
- Dbms() != dbmsACCESS)
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
-
+
// Determine the wxDb data type that is used to represent the native data type of this data source
colInf[colNo].dbDataType = 0;
if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName))
{
+#ifdef _IODBC_
+ // IODBC does not return a correct columnSize, so we set
+ // columnSize = bufferLength if no column size was returned
+ // IODBC returns the columnSize in bufferLength.. (bug)
if (colInf[colNo].columnSize < 1)
{
- // IODBC does not return a correct columnSize, so we set
- // columnSize = bufferLength if no column size was returned
colInf[colNo].columnSize = colInf[colNo].bufferLength;
}
+#endif
colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
}
else if (!wxStricmp(typeInfInteger.TypeName,colInf[colNo].typeName))
}
TableName = tableName;
- // Oracle table names are uppercase only, so force
+ // Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
- if (Dbms() == dbmsORACLE)
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
SQLFreeStmt(hstmt, SQL_CLOSE);
- // MySQL and Access cannot accept a user name when looking up column names, so we
+ // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
// use the call below that leaves out the user name
if (wxStrcmp(UserID.c_str(),wxT("")) &&
Dbms() != dbmsMY_SQL &&
- Dbms() != dbmsACCESS)
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
{
wxString s = colInf[colNo].typeName;
s = s.MakeLower();
- wxStrcmp(colInf[colNo].typeName, s.c_str());
+ wxStrcmp(colInf[colNo].typeName, s.c_str());
}
-
+
// Determine the wxDb data type that is used to represent the native data type of this data source
colInf[colNo].dbDataType = 0;
if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName))
{
+#ifdef _IODBC_
+ // IODBC does not return a correct columnSize, so we set
+ // columnSize = bufferLength if no column size was returned
+ // IODBC returns the columnSize in bufferLength.. (bug)
if (colInf[colNo].columnSize < 1)
{
- // IODBC does not return a correct columnSize, so we set
- // columnSize = bufferLength if no column size was returned
- colInf[colNo].columnSize = colInf[colNo].bufferLength;
+ colInf[colNo].columnSize = colInf[colNo].bufferLength;
}
+#endif
+
colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
}
else if (!wxStricmp(typeInfInteger.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))
- colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
-
+ colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
+
colNo++;
}
}
/*
BJO 20000503
These are tentative new GetColumns members which should be more database
- independant and which always returns the columns in the order they were
+ independant and which always returns the columns in the order they were
created.
- - The first one (wxDbColInf *wxDb::GetColumns(char *tableName[], const
+ - The first one (wxDbColInf *wxDb::GetColumns(char *tableName[], const
char* userID)) calls the second implementation for each separate table
- before merging the results. This makes the code easier to maintain as
+ before merging the results. This makes the code easier to maintain as
only one member (the second) makes the real work
- - wxDbColInf *wxDb::GetColumns(char *tableName, int *numCols, const
- char *userID) is a little bit improved
- - It doesn't anymore rely on the type-name to find out which database-type
+ - wxDbColInf *wxDb::GetColumns(char *tableName, int *numCols, const
+ char *userID) is a little bit improved
+ - It doesn't anymore rely on the type-name to find out which database-type
each column has
- - It ends by sorting the columns, so that they are returned in the same
+ - It ends by sorting the columns, so that they are returned in the same
order they were created
*/
// How many tables ?
int tbl;
- for (tbl = 0 ; tableName[tbl]; tbl++);
-
+ for (tbl = 0 ; tableName[tbl]; tbl++);
+
// Create a table to maintain the columns for each separate table
_TableColumns *TableColumns = new _TableColumns[tbl];
-
+
// Fill the table
for (i = 0 ; i < tbl ; i++)
-
+
{
TableColumns[i].colInf = GetColumns(tableName[i], &TableColumns[i].noCols, userID);
- if (TableColumns[i].colInf == NULL)
+ if (TableColumns[i].colInf == NULL)
return NULL;
noCols += TableColumns[i].noCols;
}
-
+
// Now merge all the separate table infos
wxDbColInf *colInf = new wxDbColInf[noCols+1];
-
+
// Mark the end of the array
wxStrcpy(colInf[noCols].tableName, wxT(""));
wxStrcpy(colInf[noCols].colName, wxT(""));
colInf[noCols].sqlDataType = 0;
-
+
// Merge ...
int offset = 0;
-
+
for (i = 0 ; i < tbl ; i++)
{
for (j = 0 ; j < TableColumns[i].noCols ; j++)
{
- colInf[offset++] = TableColumns[i].colInf[j];
+ colInf[offset++] = TableColumns[i].colInf[j];
}
}
-
+
delete [] TableColumns;
-
+
return colInf;
} // wxDb::GetColumns() -- NEW
SWORD noCols = 0;
int colNo = 0;
wxDbColInf *colInf = 0;
-
+
RETCODE retcode;
SDWORD cb;
-
+
wxString UserID;
wxString TableName;
-
+
if (userID)
{
if (!wxStrlen(userID))
}
else
UserID = "";
-
+
// dBase does not use user names, and some drivers fail if you try to pass one
if (Dbms() == dbmsDBASE)
UserID = "";
-
+
// Oracle user names may only be in uppercase, so force
// the name to uppercase
if (Dbms() == dbmsORACLE)
UserID = UserID.Upper();
-
+
// Pass 1 - Determine how many columns there are.
// Pass 2 - Allocate the wxDbColInf array and fill in
// the array with the column information.
wxStrcpy(colInf[noCols].colName, wxT(""));
colInf[noCols].sqlDataType = 0;
}
-
+
TableName = tableName;
- // Oracle table names are uppercase only, so force
+ // Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
- if (Dbms() == dbmsORACLE)
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
-
+
SQLFreeStmt(hstmt, SQL_CLOSE);
-
- // MySQL and Access cannot accept a user name when looking up column names, so we
+
+ // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
// use the call below that leaves out the user name
if (wxStrcmp(UserID.c_str(),wxT("")) &&
Dbms() != dbmsMY_SQL &&
- Dbms() != dbmsACCESS)
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
*numCols = 0;
return(0);
}
-
+
while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
{
if (pass == 1) // First pass, just add up the number of columns
GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb);
GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb);
GetData( 6, SQL_C_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb);
- GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
+ GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferLength, 0, &cb);
GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb);
GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
colInf[colNo].PkTableName[0] = 0; // Tablenames where Primary Key is used as a Foreign Key
colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc.
colInf[colNo].FkTableName[0] = 0; // Foreign key table name
-
-#ifdef _IODBC_
+
+#ifdef _IODBC_
+ // IODBC does not return a correct columnSize, so we set
+ // columnSize = bufferLength if no column size was returned
// IODBC returns the columnSize in bufferLength.. (bug)
- colInf[colNo].columnSize = colInf[colNo].bufferLength;
+ if (colInf[colNo].columnSize < 1)
+ {
+ colInf[colNo].columnSize = colInf[colNo].bufferLength;
+ }
#endif
-
+
// Determine the wxDb data type that is used to represent the native data type of this data source
colInf[colNo].dbDataType = 0;
// Get the intern datatype
{
case SQL_VARCHAR:
case SQL_CHAR:
- colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
+ colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
break;
-
+
case SQL_TINYINT:
case SQL_SMALLINT:
case SQL_INTEGER:
- colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
+ colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
break;
case SQL_DOUBLE:
case SQL_DECIMAL:
case SQL_NUMERIC:
case SQL_FLOAT:
case SQL_REAL:
- colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
+ colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
break;
case SQL_DATE:
- colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
+ colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
break;
#ifdef __WXDEBUG__
default:
wxString errMsg;
errMsg.sprintf("SQL Data type %d currently not supported by wxWindows", colInf[colNo].sqlDataType);
wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE"));
-#endif
+#endif
}
colNo++;
}
return(0);
}
}
-
+
SQLFreeStmt(hstmt, SQL_CLOSE);
-
+
// Store Primary and Foreign Keys
GetKeyFields(tableName,colInf,noCols);
///////////////////////////////////////////////////////////////////////////
// Now sort the the columns in order to make them appear in the right order
///////////////////////////////////////////////////////////////////////////
-
+
// Build a generic SELECT statement which returns 0 rows
wxString Stmt;
-
+
Stmt.sprintf("select * from %s where 0=1", tableName);
-
- // Execute query
+
+ // Execute query
if (SQLExecDirect(hstmt, (UCHAR FAR *) Stmt.c_str(), SQL_NTS) != SQL_SUCCESS)
{
DispAllErrors(henv, hdbc, hstmt);
return NULL;
- }
-
+ }
+
// Get the number of result columns
if (SQLNumResultCols (hstmt, &noCols) != SQL_SUCCESS)
{
DispAllErrors(henv, hdbc, hstmt);
return NULL;
}
-
+
if (noCols == 0) // Probably a bogus table name
return NULL;
-
- // Get the name
+
+ // Get the name
int i;
short colNum;
UCHAR name[100];
SWORD Sword;
SDWORD Sdword;
for (colNum = 0; colNum < noCols; colNum++)
- {
- if (SQLColAttributes(hstmt,colNum+1, SQL_COLUMN_NAME,
- name, sizeof(name),
+ {
+ if (SQLColAttributes(hstmt,colNum+1, SQL_COLUMN_NAME,
+ name, sizeof(name),
&Sword, &Sdword) != SQL_SUCCESS)
{
DispAllErrors(henv, hdbc, hstmt);
return NULL;
- }
-
+ }
+
wxString Name1 = name;
Name1 = Name1.Upper();
-
+
// Where is this name in the array ?
for (i = colNum ; i < noCols ; i++)
{
colInf[i] = tmpColInf;
}
break;
- }
- }
- }
+ }
+ }
+ }
SQLFreeStmt(hstmt, SQL_CLOSE);
///////////////////////////////////////////////////////////////////////////
if (numCols)
*numCols = noCols;
return colInf;
-
+
} // wxDb::GetColumns()
// Loop through each table name
{
TableName = tableName;
- // Oracle table names are uppercase only, so force
+ // Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
- if (Dbms() == dbmsORACLE)
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
SQLFreeStmt(hstmt, SQL_CLOSE);
- // MySQL and Access cannot accept a user name when looking up column names, so we
+ // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
// use the call below that leaves out the user name
if (wxStrcmp(UserID.c_str(),wxT("")) &&
Dbms() != dbmsMY_SQL &&
- Dbms() != dbmsACCESS)
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLColumns(hstmt,
NULL, 0, // All qualifiers
SQLFreeStmt(hstmt, SQL_CLOSE);
return pDbInf;
}
-
+
while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) // Table Information
{
if (pass == 1) // First pass, just count the Tables
{ // no, then create the Array
pDbInf->pTableInf = new wxDbTableInf[pDbInf->numTables];
noTab = 0;
- } // if (pDbInf->pTableInf == NULL) // Has the Table Array been created
+ } // if (pDbInf->pTableInf == NULL) // Has the Table Array been created
GetData( 3, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
GetData( 4, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableType, 30+1, &cb);
{
wxString UserID;
wxString TableName;
-
+
assert(tableName && wxStrlen(tableName));
-
- if (Dbms() == dbmsDBASE)
+
+ if (Dbms() == dbmsDBASE)
{
wxString dbName;
if (tablePath && wxStrlen(tablePath))
- dbName.sprintf("%s\\%s.dbf",tablePath,tableName);
+ dbName.sprintf("%s\\%s.dbf",tablePath,tableName);
else
dbName.sprintf("%s.dbf",tableName);
-
+
bool exists;
- exists = wxFileExists(dbName.c_str());
+ exists = wxFileExists(dbName.c_str());
return exists;
}
-
+
if (userID)
{
if (!wxStrlen(userID))
}
else
UserID = "";
-
+
// Oracle user names may only be in uppercase, so force
// the name to uppercase
if (Dbms() == dbmsORACLE)
UserID = UserID.Upper();
-
+
TableName = tableName;
- // Oracle table names are uppercase only, so force
+ // Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
- if (Dbms() == dbmsORACLE)
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
-
+
SQLFreeStmt(hstmt, SQL_CLOSE);
RETCODE retcode;
-
- // MySQL and Access cannot accept a user name when looking up table names, so we
- // use the call below that leaves out the user name
+
+ // 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 (wxStrcmp(UserID,"") &&
Dbms() != dbmsMY_SQL &&
- Dbms() != dbmsACCESS)
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
{
retcode = SQLTables(hstmt,
NULL, 0, // All qualifiers
- (UCHAR *) UserID.c_str(), SQL_NTS, // All owners
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Only tables owned by this user
(UCHAR FAR *)TableName.c_str(), SQL_NTS,
NULL, 0); // All table types
}
}
if (retcode != SQL_SUCCESS)
return(DispAllErrors(henv, hdbc, hstmt));
-
+
retcode = SQLFetch(hstmt);
- if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+ if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
{
SQLFreeStmt(hstmt, SQL_CLOSE);
return(DispAllErrors(henv, hdbc, hstmt));
}
-
+
SQLFreeStmt(hstmt, SQL_CLOSE);
return(TRUE);
-
+
} // wxDb::TableExists()
-#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
-/********** wxDB::TablePrivileges() **********/
-bool wxDB::TablePrivileges(const char *tableName, const char* priv,
- const char *userID, const char *tablePath)
+/********** wxDb::TablePrivileges() **********/
+bool wxDb::TablePrivileges(const char *tableName, const char* priv, const char *userID,
+ const char *schema, const char *tablePath)
{
wxDbTablePrivilegeInfo result;
SDWORD cbRetVal;
RETCODE retcode;
-
- //We probably need to be able to dynamically set this based on
+
+ //We probably need to be able to dynamically set this based on
//the driver type, and state.
char curRole[]="public";
-
+
//Prologue here similar to db::TableExists()
wxString UserID;
wxString TableName;
-
+
+ assert(userID);
assert(tableName && wxStrlen(tableName));
-
+
if (userID)
{
if (!wxStrlen(userID))
}
else
UserID = "";
-
- // Oracle user names may only be in uppercase, so force
+
+ // Oracle user names may only be in uppercase, so force
// the name to uppercase
if (Dbms() == dbmsORACLE)
UserID = UserID.Upper();
-
+
TableName = tableName;
- // Oracle table names are uppercase only, so force
+ // Oracle and Interbase table names are uppercase only, so force
// the name to uppercase just in case programmer forgot to do this
- if (Dbms() == dbmsORACLE)
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
TableName = TableName.Upper();
-
+
SQLFreeStmt(hstmt, SQL_CLOSE);
-
- retcode = SQLTablePrivileges(hstmt,
- NULL, 0, // All qualifiers
- NULL, 0, // All owners
- (UCHAR FAR *)TableName.GetData(), SQL_NTS);
-
-#ifdef DBDEBUG_CONSOLE
+
+ if (!schema)
+ {
+ retcode = SQLTablePrivileges(hstmt,
+ NULL, 0, // Catalog
+ NULL, 0, // Schema
+ (UCHAR FAR *)TableName.c_str(), SQL_NTS);
+ }
+ else
+ {
+ retcode = SQLTablePrivileges(hstmt,
+ NULL, 0, // Catalog
+ (UCHAR FAR *)schema, SQL_NTS, // Schema
+ (UCHAR FAR *)TableName.c_str(), SQL_NTS);
+ }
+
+#ifdef DBDEBUG_CONSOLE
fprintf(stderr ,"SQLTablePrivileges() returned %i \n",retcode);
#endif
- retcode = SQLBindCol (hstmt, 1, SQL_C_CHAR , &result.tableQual, 128, &cbRetVal);
-
- retcode = SQLBindCol (hstmt, 2, SQL_C_CHAR , &result.tableOwner, 128, &cbRetVal);
-
- retcode = SQLBindCol (hstmt, 3, SQL_C_CHAR , &result.tableName, 128, &cbRetVal);
-
- retcode = SQLBindCol (hstmt, 4, SQL_C_CHAR , &result.grantor, 128, &cbRetVal);
-
- retcode = SQLBindCol (hstmt, 5, SQL_C_CHAR , &result.grantee, 128, &cbRetVal);
-
- retcode = SQLBindCol (hstmt, 6, SQL_C_CHAR , &result.privilege, 128, &cbRetVal);
-
- retcode = SQLBindCol (hstmt, 7, SQL_C_CHAR , &result.grantable, 3, &cbRetVal);
-
+
+ if ((retcode != SQL_SUCCESS) && (retcode != SQL_SUCCESS_WITH_INFO))
+ return(DispAllErrors(henv, hdbc, hstmt));
+
retcode = SQLFetch(hstmt);
- while (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
+ 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));
+
+ if (SQLGetData(hstmt, 2, SQL_C_CHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS)
+ return(DispAllErrors(henv, hdbc, hstmt));
+
+ if (SQLGetData(hstmt, 3, SQL_C_CHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS)
+ return(DispAllErrors(henv, hdbc, hstmt));
+
+ if (SQLGetData(hstmt, 4, SQL_C_CHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS)
+ return(DispAllErrors(henv, hdbc, hstmt));
+
+ if (SQLGetData(hstmt, 5, SQL_C_CHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS)
+ return(DispAllErrors(henv, hdbc, hstmt));
+
+ if (SQLGetData(hstmt, 6, SQL_C_CHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS)
+ return(DispAllErrors(henv, hdbc, hstmt));
+
+ if (SQLGetData(hstmt, 7, SQL_C_CHAR, (UCHAR*) result.grantable, sizeof(result.grantable), &cbRetVal) != SQL_SUCCESS)
+ return(DispAllErrors(henv, hdbc, hstmt));
+
#ifdef DBDEBUG_CONSOLE
- fprintf(stderr,"Scanning %s privilege on table %s.%s granted by %s to %s\n",
- result.privilege,result.tabowner,result.tabname,
+ fprintf(stderr,"Scanning %s privilege on table %s.%s granted by %s to %s\n",
+ result.privilege,result.tableOwner,result.tableName,
result.grantor, result.grantee);
-#endif
- if (UserID.IsSameAs(result.tableOwner,false) )
+#endif
+
+ if (UserID.IsSameAs(result.tableOwner,FALSE))
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE);
return TRUE;
-
- if (UserID.IsSameAs(result.grantee,false) &&
- !strcmp(result.privilege,priv))
+ }
+
+ if (UserID.IsSameAs(result.grantee,FALSE) &&
+ !wxStrcmp(result.privilege,priv))
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE);
return TRUE;
-
- if (!strcmp(result.grantee,curRole) &&
- !strcmp(result.privilege,priv))
+ }
+
+ if (!wxStrcmp(result.grantee,curRole) &&
+ !wxStrcmp(result.privilege,priv))
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE);
return TRUE;
-
+ }
+
retcode = SQLFetch(hstmt);
- }
-
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
return FALSE;
-} // wxDB::TablePrivileges
-#endif
+} // wxDb::TablePrivileges
/********** wxDb::SetSqlLogging() **********/
* - Does not support the keywords 'ASC' or 'DESC' as of release v6.5.0
* - Does not support sub-queries in SQL statements
*
+ * DB2
+ * - Primary keys must be declared as NOT NULL
+ *
*/
{
+ // Should only need to do this once for each new database connection
+ // so return the value we already determined it to be to save time
+ // and lots of string comparisons
+ if (dbmsType != dbmsUNIDENTIFIED)
+ return(dbmsType);
+
wxChar baseName[25+1];
wxStrncpy(baseName,dbInf.dbmsName,25);
baseName[25] = 0;
+ // RGG 20001025 : add support for Interbase
+ // GT : Integrated to base classes on 20001121
+ if (!wxStricmp(dbInf.dbmsName,"Interbase"))
+ return((wxDBMS)(dbmsType = dbmsINTERBASE));
+
// BJO 20000428 : add support for Virtuoso
if (!wxStricmp(dbInf.dbmsName,"OpenLink Virtuoso VDBMS"))
- return(dbmsVIRTUOSO);
-
+ return((wxDBMS)(dbmsType = dbmsVIRTUOSO));
if (!wxStricmp(dbInf.dbmsName,"Adaptive Server Anywhere"))
- return(dbmsSYBASE_ASA);
-
+ return((wxDBMS)(dbmsType = dbmsSYBASE_ASA));
+
// BJO 20000427 : The "SQL Server" string is also returned by SQLServer when
// connected through an OpenLink driver.
- // Is it also returned by Sybase Adapatitve server?
- // OpenLink driver name is OLOD3032.DLL for msw and oplodbc.so for unix
- if (!wxStricmp(dbInf.dbmsName,"SQL Server"))
+ // Is it also returned by Sybase Adapatitve server?
+ // OpenLink driver name is OLOD3032.DLL for msw and oplodbc.so for unix
+ if (!wxStricmp(dbInf.dbmsName,"SQL Server"))
{
if (!wxStrncmp(dbInf.driverName, "oplodbc", 7) ||
!wxStrncmp(dbInf.driverName, "OLOD", 4))
- return dbmsMS_SQL_SERVER; else return dbmsSYBASE_ASE;
+ return ((wxDBMS)(dbmsMS_SQL_SERVER));
+ else
+ return ((wxDBMS)(dbmsType = dbmsSYBASE_ASE));
}
if (!wxStricmp(dbInf.dbmsName,"Microsoft SQL Server"))
- return(dbmsMS_SQL_SERVER);
+ return((wxDBMS)(dbmsType = dbmsMS_SQL_SERVER));
if (!wxStricmp(dbInf.dbmsName,"MySQL"))
- return(dbmsMY_SQL);
+ return((wxDBMS)(dbmsType = dbmsMY_SQL));
if (!wxStricmp(dbInf.dbmsName,"PostgreSQL")) // v6.5.0
- return(dbmsPOSTGRES);
+ return((wxDBMS)(dbmsType = dbmsPOSTGRES));
baseName[8] = 0;
if (!wxStricmp(baseName,"Informix"))
- return(dbmsINFORMIX);
+ return((wxDBMS)(dbmsType = dbmsINFORMIX));
baseName[6] = 0;
if (!wxStricmp(baseName,"Oracle"))
- return(dbmsORACLE);
+ return((wxDBMS)(dbmsType = dbmsORACLE));
if (!wxStricmp(dbInf.dbmsName,"ACCESS"))
- return(dbmsACCESS);
+ return((wxDBMS)(dbmsType = dbmsACCESS));
if (!wxStricmp(dbInf.dbmsName,"MySQL"))
- return(dbmsMY_SQL);
- if (!wxStricmp(baseName,"Sybase"))
- return(dbmsSYBASE_ASE);
+ return((wxDBMS)(dbmsType = dbmsMY_SQL));
+ if (!wxStricmp(baseName,"Sybase"))
+ return((wxDBMS)(dbmsType = dbmsSYBASE_ASE));
baseName[5] = 0;
if (!wxStricmp(baseName,"DBASE"))
- return(dbmsDBASE);
+ return((wxDBMS)(dbmsType = dbmsDBASE));
+
+ baseName[3] = 0;
+ if (!wxStricmp(baseName,"DB2"))
+ return((wxDBMS)(dbmsType = dbmsDBASE));
- return(dbmsUNIDENTIFIED);
+ return((wxDBMS)(dbmsType = dbmsUNIDENTIFIED));
} // wxDb::Dbms()
{
wxDbList *pList;
+ // Used to keep a pointer to a DB connection that matches the requested
+ // DSN and FwdOnlyCursors settings, even if it is not FREE, so that the
+ // data types can be copied from it (using the wxDb::Open(wxDb *) function)
+ // rather than having to re-query the datasource to get all the values
+ // using the wxDb::Open(Dsn,Uid,AuthStr) function
+ wxDb *matchingDbConnection = NULL;
+
// Scan the linked list searching for an available database connection
// that's already been opened but is currently not in use.
for (pList = PtrBegDbList; pList; pList = pList->PtrNext)
pList->Free = FALSE;
return(pList->PtrDb);
}
+
+ if (!wxStrcmp(pDbConfig->Dsn, pList->Dsn) &&
+ !wxStrcmp(pDbConfig->Uid, pList->Uid) &&
+ !wxStrcmp(pDbConfig->AuthStr, pList->AuthStr))
+ matchingDbConnection = pList->PtrDb;
}
// No available connections. A new connection must be made and
pList->PtrNext = 0;
pList->Free = FALSE;
wxStrcpy(pList->Dsn, pDbConfig->Dsn);
+ wxStrcpy(pList->Uid, pDbConfig->Uid);
+ wxStrcpy(pList->AuthStr, pDbConfig->AuthStr);
+
pList->PtrDb = new wxDb(pDbConfig->Henv,FwdOnlyCursors);
+ bool opened = FALSE;
+
+ if (!matchingDbConnection)
+ opened = pList->PtrDb->Open(pDbConfig->Dsn, pDbConfig->Uid, pDbConfig->AuthStr);
+ else
+ opened = pList->PtrDb->Open(matchingDbConnection);
+
// Connect to the datasource
- if (pList->PtrDb->Open(pDbConfig->Dsn, pDbConfig->Uid, pDbConfig->AuthStr))
+ if (opened)
{
pList->PtrDb->SetSqlLogging(SQLLOGstate,SQLLOGfn,TRUE);
return(pList->PtrDb);
} // wxDbCloseConnections()
-/********** wxDbNumberConnectionsInUse() **********/
+/********** wxDbConnectionsInUse() **********/
int WXDLLEXPORT wxDbConnectionsInUse(void)
{
wxDbList *pList;
} // wxDbSqlLog()
-#if EXPERIMENTAL_WXDB_FUNCTIONS // will be added in 2.4
+#if 0
/********** wxDbCreateDataSource() **********/
int wxDbCreateDataSource(const char *driverName, const char *dsn, const char *description,
bool sysDSN, const char *defDir, wxWindow *parent)
/*
* !!!! ONLY FUNCTIONAL UNDER MSW with VC6 !!!!
- * Very rudimentary creation of an ODBC data source.
+ * Very rudimentary creation of an ODBC data source.
+ *
+ * ODBC driver must be ODBC 3.0 compliant to use this function
*/
{
int result = FALSE;
-#ifdef __WXMSW__
+//!!!! ONLY FUNCTIONAL UNDER MSW with VC6 !!!!
+#ifdef __VISUALC__
int dsnLocation;
wxString setupStr;
dsnLocation = ODBC_ADD_DSN;
// NOTE: The decimal 2 is an invalid character in all keyword pairs
- // so that is why I used it, as wxString does not deal well with
+ // so that is why I used it, as wxString does not deal well with
// embedded nulls in strings
setupStr.sprintf("DSN=%s%cDescription=%s%cDefaultDir=%s%c",dsn,2,description,2,defDir,2);
result = SQLConfigDataSource((HWND)parent->GetHWND(), dsnLocation,
driverName, setupStr.c_str());
- if (!result)
+ if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
{
// check for errors caused by ConfigDSN based functions
DWORD retcode = 0;
WORD cb;
- wxChar errMsg[500+1];
+ wxChar errMsg[SQL_MAX_MESSAGE_LENGTH];
errMsg[0] = '\0';
- SQLInstallerError(1,&retcode,errMsg,500,&cb);
+ // This function is only supported in ODBC drivers v3.0 compliant and above
+ SQLInstallerError(1,&retcode,errMsg,SQL_MAX_MESSAGE_LENGTH-1,&cb);
if (retcode)
{
- if (!silent)
- {
#ifdef DBDEBUG_CONSOLE
// When run in console mode, use standard out to display errors.
cout << errMsg << endl;
- cout << "Press any key to continue..." << endl;
+ cout << wxT("Press any key to continue...") << endl;
getchar();
#endif // DBDEBUG_CONSOLE
#ifdef __WXDEBUG__
wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE"));
#endif // __WXDEBUG__
- }
}
}
else
result = TRUE;
-
-#else // using iODBC, so this function is not supported
+#else
+ // Using iODBC/unixODBC or some other compiler which does not support the APIs
+ // necessary to use this function, so this function is not supported
#ifdef __WXDEBUG__
- wxLogDebug("wxDbCreateDataSource() not available except under MSW","DEBUG MESSAGE");
+ wxLogDebug("wxDbCreateDataSource() not available except under VC++/MSW",wxT("ODBC DEBUG MESSAGE"));
#endif
-#endif // __WXMSW__
+ result = FALSE;
+#endif // __VISUALC__
return result;
projects / wxWidgets.git / blobdiff