+ UWORD noCols = 0;
+ UWORD colNo = 0;
+ wxDbColInf *colInf = 0;
+
+ RETCODE retcode;
+ SDWORD cb;
+
+ wxString TableName;
+
+ wxString UserID;
+ convertUserID(userID,UserID);
+
+ // Pass 1 - Determine how many columns there are.
+ // Pass 2 - Allocate the wxDbColInf array and fill in
+ // the array with the column information.
+ int pass;
+ for (pass = 1; pass <= 2; pass++)
+ {
+ if (pass == 2)
+ {
+ if (noCols == 0) // Probably a bogus table name(s)
+ break;
+ // Allocate n wxDbColInf objects to hold the column information
+ colInf = new wxDbColInf[noCols+1];
+ if (!colInf)
+ break;
+ // Mark the end of the array
+ wxStrcpy(colInf[noCols].tableName,wxEmptyString);
+ wxStrcpy(colInf[noCols].colName,wxEmptyString);
+ colInf[noCols].sqlDataType = 0;
+ }
+ // Loop through each table name
+ int tbl;
+ for (tbl = 0; tableName[tbl]; tbl++)
+ {
+ TableName = tableName[tbl];
+ // Oracle and Interbase table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
+ // use the call below that leaves out the user name
+ if (!UserID.IsEmpty() &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ if (retcode != SQL_SUCCESS)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(0);
+ }
+
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
+ {
+ if (pass == 1) // First pass, just add up the number of columns
+ noCols++;
+ else // Pass 2; Fill in the array of structures
+ {
+ if (colNo < noCols) // Some extra error checking to prevent memory overwrites
+ {
+ // NOTE: Only the ODBC 1.x fields are retrieved
+ GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb);
+ GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb);
+ GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb);
+ GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb);
+ GetData( 6, SQL_C_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb);
+ GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
+ GetData( 8, SQL_C_SLONG, (UCHAR*) &colInf[colNo].bufferLength, 0, &cb);
+ GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb);
+ GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
+ GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
+ GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
+
+ // Determine the wxDb data type that is used to represent the native data type of this data source
+ colInf[colNo].dbDataType = 0;
+ if (!wxStricmp(typeInfVarchar.TypeName,colInf[colNo].typeName))
+ {
+#ifdef _IODBC_
+ // IODBC does not return a correct columnSize, so we set
+ // columnSize = bufferLength if no column size was returned
+ // IODBC returns the columnSize in bufferLength.. (bug)
+ if (colInf[colNo].columnSize < 1)
+ {
+ colInf[colNo].columnSize = colInf[colNo].bufferLength;
+ }
+#endif
+ colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
+ }
+ else if (!wxStricmp(typeInfInteger.TypeName, colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
+ else if (!wxStricmp(typeInfFloat.TypeName, colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
+ else if (!wxStricmp(typeInfDate.TypeName, colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
+ else if (!wxStricmp(typeInfBlob.TypeName, colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_BLOB;
+ colNo++;
+ }
+ }
+ }
+ if (retcode != SQL_NO_DATA_FOUND)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(0);
+ }
+ }
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return colInf;
+
+} // wxDb::GetColumns()
+
+
+/********** wxDb::GetColumns() **********/
+
+wxDbColInf *wxDb::GetColumns(const wxString &tableName, UWORD *numCols, const wxChar *userID)
+//
+// Same as the above GetColumns() function except this one gets columns
+// only for a single table, and if 'numCols' is not NULL, the number of
+// columns stored in the returned wxDbColInf is set in '*numCols'
+//
+// userID is evaluated in the following manner:
+// userID == NULL ... UserID is ignored
+// userID == "" ... UserID set equal to 'this->uid'
+// userID != "" ... UserID set equal to 'userID'
+//
+// NOTE: ALL column bindings associated with this wxDb instance are unbound
+// by this function. This function should use its own wxDb instance
+// to avoid undesired unbinding of columns.
+
+{
+ UWORD noCols = 0;
+ UWORD colNo = 0;
+ wxDbColInf *colInf = 0;
+
+ RETCODE retcode;
+ SDWORD cb;
+
+ wxString TableName;
+
+ wxString UserID;
+ convertUserID(userID,UserID);
+
+ // Pass 1 - Determine how many columns there are.
+ // Pass 2 - Allocate the wxDbColInf array and fill in
+ // the array with the column information.
+ int pass;
+ for (pass = 1; pass <= 2; pass++)
+ {
+ if (pass == 2)
+ {
+ if (noCols == 0) // Probably a bogus table name(s)
+ break;
+ // Allocate n wxDbColInf objects to hold the column information
+ colInf = new wxDbColInf[noCols+1];
+ if (!colInf)
+ break;
+ // Mark the end of the array
+ wxStrcpy(colInf[noCols].tableName, wxEmptyString);
+ wxStrcpy(colInf[noCols].colName, wxEmptyString);
+ colInf[noCols].sqlDataType = 0;
+ }
+
+ TableName = tableName;
+ // Oracle and Interbase table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
+ // use the call below that leaves out the user name
+ if (!UserID.IsEmpty() &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ if (retcode != SQL_SUCCESS)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (numCols)
+ *numCols = 0;
+ return(0);
+ }
+
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
+ {
+ if (pass == 1) // First pass, just add up the number of columns
+ noCols++;
+ else // Pass 2; Fill in the array of structures
+ {
+ if (colNo < noCols) // Some extra error checking to prevent memory overwrites
+ {
+ // NOTE: Only the ODBC 1.x fields are retrieved
+ GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb);
+ GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb);
+ GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb);
+ GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb);
+ GetData( 6, SQL_C_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb);
+ GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
+ // BJO 991214 : SQL_C_SSHORT instead of SQL_C_SLONG, otherwise fails on Sparc (probably all 64 bit architectures)
+ GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferLength, 0, &cb);
+ GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb);
+ GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
+ GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
+ GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
+ // Start Values for Primary/Foriegn Key (=No)
+ colInf[colNo].PkCol = 0; // Primary key column 0=No; 1= First Key, 2 = Second Key etc.
+ colInf[colNo].PkTableName[0] = 0; // Tablenames where Primary Key is used as a Foreign Key
+ colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc.
+ colInf[colNo].FkTableName[0] = 0; // Foreign key table name
+
+ // BJO 20000428 : Virtuoso returns type names with upper cases!
+ if (Dbms() == dbmsVIRTUOSO)
+ {
+ wxString s = colInf[colNo].typeName;
+ s = s.MakeLower();
+ wxStrcmp(colInf[colNo].typeName, s.c_str());
+ }
+
+ // Determine the wxDb data type that is used to represent the native data type of this data source
+ colInf[colNo].dbDataType = 0;
+ if (!wxStricmp(typeInfVarchar.TypeName, colInf[colNo].typeName))
+ {
+#ifdef _IODBC_
+ // IODBC does not return a correct columnSize, so we set
+ // columnSize = bufferLength if no column size was returned
+ // IODBC returns the columnSize in bufferLength.. (bug)
+ if (colInf[colNo].columnSize < 1)
+ {
+ colInf[colNo].columnSize = colInf[colNo].bufferLength;
+ }
+#endif
+
+ colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
+ }
+ else if (!wxStricmp(typeInfInteger.TypeName, colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
+ else if (!wxStricmp(typeInfFloat.TypeName, colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
+ else if (!wxStricmp(typeInfDate.TypeName, colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
+ else if (!wxStricmp(typeInfBlob.TypeName, colInf[colNo].typeName))
+ colInf[colNo].dbDataType = DB_DATA_TYPE_BLOB;
+
+ colNo++;
+ }
+ }
+ }
+ if (retcode != SQL_NO_DATA_FOUND)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (numCols)
+ *numCols = 0;
+ return(0);
+ }
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // Store Primary and Foriegn Keys
+ GetKeyFields(tableName,colInf,noCols);
+
+ if (numCols)
+ *numCols = noCols;
+ return colInf;
+
+} // wxDb::GetColumns()
+
+
+#else // New GetColumns
+
+
+/*
+ BJO 20000503
+ These are tentative new GetColumns members which should be more database
+ independant and which always returns the columns in the order they were
+ created.
+
+ - The first one (wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const
+ wxChar* userID)) calls the second implementation for each separate table
+ before merging the results. This makes the code easier to maintain as
+ only one member (the second) makes the real work
+ - wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const
+ wxChar *userID) is a little bit improved
+ - It doesn't anymore rely on the type-name to find out which database-type
+ each column has
+ - It ends by sorting the columns, so that they are returned in the same
+ order they were created
+*/
+
+typedef struct
+{
+ UWORD noCols;
+ wxDbColInf *colInf;
+} _TableColumns;
+
+
+wxDbColInf *wxDb::GetColumns(wxChar *tableName[], const wxChar *userID)
+{
+ int i, j;
+ // The last array element of the tableName[] argument must be zero (null).
+ // This is how the end of the array is detected.
+
+ UWORD noCols = 0;
+
+ // How many tables ?
+ int tbl;
+ for (tbl = 0 ; tableName[tbl]; tbl++);
+
+ // Create a table to maintain the columns for each separate table
+ _TableColumns *TableColumns = new _TableColumns[tbl];
+
+ // Fill the table
+ for (i = 0 ; i < tbl ; i++)
+
+ {
+ TableColumns[i].colInf = GetColumns(tableName[i], &TableColumns[i].noCols, userID);
+ if (TableColumns[i].colInf == NULL)
+ return NULL;
+ noCols += TableColumns[i].noCols;
+ }
+
+ // Now merge all the separate table infos
+ wxDbColInf *colInf = new wxDbColInf[noCols+1];
+
+ // Mark the end of the array
+ wxStrcpy(colInf[noCols].tableName, wxEmptyString);
+ wxStrcpy(colInf[noCols].colName, wxEmptyString);
+ colInf[noCols].sqlDataType = 0;
+
+ // Merge ...
+ int offset = 0;
+
+ for (i = 0 ; i < tbl ; i++)
+ {
+ for (j = 0 ; j < TableColumns[i].noCols ; j++)
+ {
+ colInf[offset++] = TableColumns[i].colInf[j];
+ }
+ }
+
+ delete [] TableColumns;
+
+ return colInf;
+} // wxDb::GetColumns() -- NEW
+
+
+wxDbColInf *wxDb::GetColumns(const wxString &tableName, int *numCols, const wxChar *userID)
+//
+// Same as the above GetColumns() function except this one gets columns
+// only for a single table, and if 'numCols' is not NULL, the number of
+// columns stored in the returned wxDbColInf is set in '*numCols'
+//
+// userID is evaluated in the following manner:
+// userID == NULL ... UserID is ignored
+// userID == "" ... UserID set equal to 'this->uid'
+// userID != "" ... UserID set equal to 'userID'
+//
+// NOTE: ALL column bindings associated with this wxDb instance are unbound
+// by this function. This function should use its own wxDb instance
+// to avoid undesired unbinding of columns.
+{
+ UWORD noCols = 0;
+ UWORD colNo = 0;
+ wxDbColInf *colInf = 0;
+
+ RETCODE retcode;
+ SDWORD cb;
+
+ wxString TableName;
+
+ wxString UserID;
+ convertUserID(userID,UserID);
+
+ // Pass 1 - Determine how many columns there are.
+ // Pass 2 - Allocate the wxDbColInf array and fill in
+ // the array with the column information.
+ int pass;
+ for (pass = 1; pass <= 2; pass++)
+ {
+ if (pass == 2)
+ {
+ if (noCols == 0) // Probably a bogus table name(s)
+ break;
+ // Allocate n wxDbColInf objects to hold the column information
+ colInf = new wxDbColInf[noCols+1];
+ if (!colInf)
+ break;
+ // Mark the end of the array
+ wxStrcpy(colInf[noCols].tableName, wxEmptyString);
+ wxStrcpy(colInf[noCols].colName, wxEmptyString);
+ colInf[noCols].sqlDataType = 0;
+ }
+
+ TableName = tableName;
+ // Oracle and Interbase table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
+ // use the call below that leaves out the user name
+ if (!UserID.IsEmpty() &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ if (retcode != SQL_SUCCESS)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (numCols)
+ *numCols = 0;
+ return(0);
+ }
+
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
+ {
+ if (pass == 1) // First pass, just add up the number of columns
+ noCols++;
+ else // Pass 2; Fill in the array of structures
+ {
+ if (colNo < noCols) // Some extra error checking to prevent memory overwrites
+ {
+ // NOTE: Only the ODBC 1.x fields are retrieved
+ GetData( 1, SQL_C_CHAR, (UCHAR*) colInf[colNo].catalog, 128+1, &cb);
+ GetData( 2, SQL_C_CHAR, (UCHAR*) colInf[colNo].schema, 128+1, &cb);
+ GetData( 3, SQL_C_CHAR, (UCHAR*) colInf[colNo].tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 4, SQL_C_CHAR, (UCHAR*) colInf[colNo].colName, DB_MAX_COLUMN_NAME_LEN+1, &cb);
+ GetData( 5, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].sqlDataType, 0, &cb);
+ GetData( 6, SQL_C_CHAR, (UCHAR*) colInf[colNo].typeName, 128+1, &cb);
+ GetData( 7, SQL_C_SLONG, (UCHAR*) &colInf[colNo].columnSize, 0, &cb);
+ GetData( 8, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].bufferLength, 0, &cb);
+ GetData( 9, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].decimalDigits,0, &cb);
+ GetData(10, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].numPrecRadix, 0, &cb);
+ GetData(11, SQL_C_SSHORT, (UCHAR*) &colInf[colNo].nullable, 0, &cb);
+ GetData(12, SQL_C_CHAR, (UCHAR*) colInf[colNo].remarks, 254+1, &cb);
+ // Start Values for Primary/Foriegn Key (=No)
+ colInf[colNo].PkCol = 0; // Primary key column 0=No; 1= First Key, 2 = Second Key etc.
+ colInf[colNo].PkTableName[0] = 0; // Tablenames where Primary Key is used as a Foreign Key
+ colInf[colNo].FkCol = 0; // Foreign key column 0=No; 1= First Key, 2 = Second Key etc.
+ colInf[colNo].FkTableName[0] = 0; // Foreign key table name
+
+#ifdef _IODBC_
+ // IODBC does not return a correct columnSize, so we set
+ // columnSize = bufferLength if no column size was returned
+ // IODBC returns the columnSize in bufferLength.. (bug)
+ if (colInf[colNo].columnSize < 1)
+ {
+ colInf[colNo].columnSize = colInf[colNo].bufferLength;
+ }
+#endif
+
+ // Determine the wxDb data type that is used to represent the native data type of this data source
+ colInf[colNo].dbDataType = 0;
+ // Get the intern datatype
+ switch (colInf[colNo].sqlDataType)
+ {
+ case SQL_VARCHAR:
+ case SQL_CHAR:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_VARCHAR;
+ break;
+
+ case SQL_TINYINT:
+ case SQL_SMALLINT:
+ case SQL_INTEGER:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_INTEGER;
+ break;
+ case SQL_DOUBLE:
+ case SQL_DECIMAL:
+ case SQL_NUMERIC:
+ case SQL_FLOAT:
+ case SQL_REAL:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_FLOAT;
+ break;
+ case SQL_DATE:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_DATE;
+ break;
+ case SQL_BINARY:
+ colInf[colNo].dbDataType = DB_DATA_TYPE_BLOB;
+ break;
+#ifdef __WXDEBUG__
+ default:
+ wxString errMsg;
+ errMsg.Printf(wxT("SQL Data type %d currently not supported by wxWindows"), colInf[colNo].sqlDataType);
+ wxLogDebug(errMsg,wxT("ODBC DEBUG MESSAGE"));
+#endif
+ }
+ colNo++;
+ }
+ }
+ }
+ if (retcode != SQL_NO_DATA_FOUND)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ if (colInf)
+ delete [] colInf;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ if (numCols)
+ *numCols = 0;
+ return(0);
+ }
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // Store Primary and Foreign Keys
+ GetKeyFields(tableName,colInf,noCols);
+
+ ///////////////////////////////////////////////////////////////////////////
+ // Now sort the the columns in order to make them appear in the right order
+ ///////////////////////////////////////////////////////////////////////////
+
+ // Build a generic SELECT statement which returns 0 rows
+ wxString Stmt;
+
+ Stmt.Printf(wxT("select * from \"%s\" where 0=1"), tableName);
+
+ // Execute query
+ if (SQLExecDirect(hstmt, (UCHAR FAR *) Stmt.c_str(), SQL_NTS) != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return NULL;
+ }
+
+ // Get the number of result columns
+ if (SQLNumResultCols (hstmt, &noCols) != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return NULL;
+ }
+
+ if (noCols == 0) // Probably a bogus table name
+ return NULL;
+
+ // Get the name
+ int i;
+ short colNum;
+ UCHAR name[100];
+ SWORD Sword;
+ SDWORD Sdword;
+ for (colNum = 0; colNum < noCols; colNum++)
+ {
+ if (SQLColAttributes(hstmt,colNum+1, SQL_COLUMN_NAME,
+ name, sizeof(name),
+ &Sword, &Sdword) != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ return NULL;
+ }
+
+ wxString Name1 = name;
+ Name1 = Name1.Upper();
+
+ // Where is this name in the array ?
+ for (i = colNum ; i < noCols ; i++)
+ {
+ wxString Name2 = colInf[i].colName;
+ Name2 = Name2.Upper();
+ if (Name2 == Name1)
+ {
+ if (colNum != i) // swap to sort
+ {
+ wxDbColInf tmpColInf = colInf[colNum];
+ colInf[colNum] = colInf[i];
+ colInf[i] = tmpColInf;
+ }
+ break;
+ }
+ }
+ }
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ ///////////////////////////////////////////////////////////////////////////
+ // End sorting
+ ///////////////////////////////////////////////////////////////////////////
+
+ if (numCols)
+ *numCols = noCols;
+ return colInf;
+
+} // wxDb::GetColumns()
+
+
+#endif // #else OLD_GETCOLUMNS
+
+
+/********** wxDb::GetColumnCount() **********/
+int wxDb::GetColumnCount(const wxString &tableName, const wxChar *userID)
+/*
+ * Returns a count of how many columns are in a table.
+ * If an error occurs in computing the number of columns
+ * this function will return a -1 for the count
+ *
+ * userID is evaluated in the following manner:
+ * userID == NULL ... UserID is ignored
+ * userID == "" ... UserID set equal to 'this->uid'
+ * userID != "" ... UserID set equal to 'userID'
+ *
+ * NOTE: ALL column bindings associated with this wxDb instance are unbound
+ * by this function. This function should use its own wxDb instance
+ * to avoid undesired unbinding of columns.
+ */
+{
+ UWORD noCols = 0;
+
+ RETCODE retcode;
+
+ wxString TableName;
+
+ wxString UserID;
+ convertUserID(userID,UserID);
+
+ TableName = tableName;
+ // Oracle and Interbase table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // MySQL, SQLServer, and Access cannot accept a user name when looking up column names, so we
+ // use the call below that leaves out the user name
+ if (!UserID.IsEmpty() &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // Owner
+ (UCHAR *) TableName.c_str(), SQL_NTS,
+ NULL, 0); // All columns
+ }
+ if (retcode != SQL_SUCCESS)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(-1);
+ }
+
+ // Count the columns
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS)
+ noCols++;
+
+ if (retcode != SQL_NO_DATA_FOUND)
+ { // Error occured, abort
+ DispAllErrors(henv, hdbc, hstmt);
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(-1);
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return noCols;
+
+} // wxDb::GetColumnCount()
+
+
+/********** wxDb::GetCatalog() *******/
+wxDbInf *wxDb::GetCatalog(const wxChar *userID)
+/*
+ * ---------------------------------------------------------------------
+ * -- 19991203 : mj10777 : Create ------
+ * -- : Creates a wxDbInf with Tables / Cols Array ------
+ * -- : uses SQLTables and fills pTableInf; ------
+ * -- : pColInf is set to NULL and numCols to 0; ------
+ * -- : returns pDbInf (wxDbInf) ------
+ * -- - if unsuccesfull (pDbInf == NULL) ------
+ * -- : pColInf can be filled with GetColumns(..); ------
+ * -- : numCols can be filled with GetColumnCount(..); ------
+ * ---------------------------------------------------------------------
+ *
+ * userID is evaluated in the following manner:
+ * userID == NULL ... UserID is ignored
+ * userID == "" ... UserID set equal to 'this->uid'
+ * userID != "" ... UserID set equal to 'userID'
+ *
+ * NOTE: ALL column bindings associated with this wxDb instance are unbound
+ * by this function. This function should use its own wxDb instance
+ * to avoid undesired unbinding of columns.
+ */
+{
+ wxDbInf *pDbInf = NULL; // Array of catalog entries
+ int noTab = 0; // Counter while filling table entries
+ int pass;
+ RETCODE retcode;
+ SDWORD cb;
+ wxString tblNameSave;
+
+ wxString UserID;
+ convertUserID(userID,UserID);
+
+ //-------------------------------------------------------------
+ pDbInf = new wxDbInf; // Create the Database Array
+ //-------------------------------------------------------------
+ // Table Information
+ // Pass 1 - Determine how many Tables there are.
+ // Pass 2 - Create the Table array and fill it
+ // - Create the Cols array = NULL
+ //-------------------------------------------------------------
+
+ for (pass = 1; pass <= 2; pass++)
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE); // Close if Open
+ tblNameSave.Empty();
+
+ if (!UserID.IsEmpty() &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
+ {
+ retcode = SQLTables(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // User specified
+ NULL, 0, // All tables
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLTables(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // User specified
+ NULL, 0, // All tables
+ NULL, 0); // All columns
+ }
+
+ if (retcode != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ pDbInf = NULL;
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return pDbInf;
+ }
+
+ while ((retcode = SQLFetch(hstmt)) == SQL_SUCCESS) // Table Information
+ {
+ if (pass == 1) // First pass, just count the Tables
+ {
+ if (pDbInf->numTables == 0)
+ {
+ GetData( 1, SQL_C_CHAR, (UCHAR*) pDbInf->catalog, 128+1, &cb);
+ GetData( 2, SQL_C_CHAR, (UCHAR*) pDbInf->schema, 128+1, &cb);
+ }
+ pDbInf->numTables++; // Counter for Tables
+ } // if (pass == 1)
+ if (pass == 2) // Create and fill the Table entries
+ {
+ if (pDbInf->pTableInf == NULL) // Has the Table Array been created
+ { // no, then create the Array
+ pDbInf->pTableInf = new wxDbTableInf[pDbInf->numTables];
+ noTab = 0;
+ } // if (pDbInf->pTableInf == NULL) // Has the Table Array been created
+
+ GetData( 3, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableName, DB_MAX_TABLE_NAME_LEN+1, &cb);
+ GetData( 4, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableType, 30+1, &cb);
+ GetData( 5, SQL_C_CHAR, (UCHAR*) (pDbInf->pTableInf+noTab)->tableRemarks, 254+1, &cb);
+
+ noTab++;
+ } // if
+ } // while
+ } // for
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // Query how many columns are in each table
+ for (noTab=0;noTab<pDbInf->numTables;noTab++)
+ {
+ (pDbInf->pTableInf+noTab)->numCols = GetColumnCount((pDbInf->pTableInf+noTab)->tableName,UserID);
+ }
+
+ return pDbInf;
+
+} // wxDb::GetCatalog()
+
+
+/********** wxDb::Catalog() **********/
+bool wxDb::Catalog(const wxChar *userID, const wxString &fileName)
+/*
+ * Creates the text file specified in 'filename' which will contain
+ * a minimal data dictionary of all tables accessible by the user specified
+ * in 'userID'
+ *
+ * userID is evaluated in the following manner:
+ * userID == NULL ... UserID is ignored
+ * userID == "" ... UserID set equal to 'this->uid'
+ * userID != "" ... UserID set equal to 'userID'
+ *
+ * NOTE: ALL column bindings associated with this wxDb instance are unbound
+ * by this function. This function should use its own wxDb instance
+ * to avoid undesired unbinding of columns.
+ */
+{
+ wxASSERT(fileName.Length());
+
+ RETCODE retcode;
+ SDWORD cb;
+ wxChar tblName[DB_MAX_TABLE_NAME_LEN+1];
+ wxString tblNameSave;
+ wxChar colName[DB_MAX_COLUMN_NAME_LEN+1];
+ SWORD sqlDataType;
+ wxChar typeName[30+1];
+ SDWORD precision, length;
+
+ FILE *fp = fopen(fileName.c_str(),wxT("wt"));
+ if (fp == NULL)
+ return(FALSE);
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ wxString UserID;
+ convertUserID(userID,UserID);
+
+ if (!UserID.IsEmpty() &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsINTERBASE &&
+ Dbms() != dbmsMS_SQL_SERVER)
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // User specified
+ NULL, 0, // All tables
+ NULL, 0); // All columns
+ }
+ else
+ {
+ retcode = SQLColumns(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // User specified
+ NULL, 0, // All tables
+ NULL, 0); // All columns
+ }
+ if (retcode != SQL_SUCCESS)
+ {
+ DispAllErrors(henv, hdbc, hstmt);
+ fclose(fp);
+ return(FALSE);
+ }
+
+ wxString outStr;
+ tblNameSave.Empty();
+ int cnt = 0;
+
+ while (TRUE)
+ {
+ retcode = SQLFetch(hstmt);
+ if (retcode != SQL_SUCCESS && retcode != SQL_SUCCESS_WITH_INFO)
+ break;
+
+ if (wxStrcmp(tblName, tblNameSave.c_str()))
+ {
+ if (cnt)
+ fputs(wxT("\n"), fp);
+ fputs(wxT("================================ "), fp);
+ fputs(wxT("================================ "), fp);
+ fputs(wxT("===================== "), fp);
+ fputs(wxT("========= "), fp);
+ fputs(wxT("=========\n"), fp);
+ outStr.Printf(wxT("%-32s %-32s %-21s %9s %9s\n"),
+ wxT("TABLE NAME"), wxT("COLUMN NAME"), wxT("DATA TYPE"), wxT("PRECISION"), wxT("LENGTH"));
+ fputs(outStr.c_str(), fp);
+ fputs(wxT("================================ "), fp);
+ fputs(wxT("================================ "), fp);
+ fputs(wxT("===================== "), fp);
+ fputs(wxT("========= "), fp);
+ fputs(wxT("=========\n"), fp);
+ 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_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);
+ if (fputs(outStr.c_str(), fp) == EOF)
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ fclose(fp);
+ return(FALSE);
+ }
+ cnt++;
+ }
+
+ if (retcode != SQL_NO_DATA_FOUND)
+ DispAllErrors(henv, hdbc, hstmt);
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ fclose(fp);
+ return(retcode == SQL_NO_DATA_FOUND);
+
+} // wxDb::Catalog()
+
+
+bool wxDb::TableExists(const wxString &tableName, const wxChar *userID, const wxString &tablePath)
+/*
+ * Table name can refer to a table, view, alias or synonym. Returns TRUE
+ * if the object exists in the database. This function does not indicate
+ * whether or not the user has privleges to query or perform other functions
+ * on the table.
+ *
+ * userID is evaluated in the following manner:
+ * userID == NULL ... UserID is ignored
+ * userID == "" ... UserID set equal to 'this->uid'
+ * userID != "" ... UserID set equal to 'userID'
+ */
+{
+ wxASSERT(tableName.Length());
+
+ wxString TableName;
+
+ if (Dbms() == dbmsDBASE)
+ {
+ wxString dbName;
+ if (tablePath.Length())
+ dbName.Printf(wxT("%s/%s.dbf"), tablePath.c_str(), tableName.c_str());
+ else
+ dbName.Printf(wxT("%s.dbf"), tableName.c_str());
+
+ bool exists;
+ exists = wxFileExists(dbName);
+ return exists;
+ }
+
+ wxString UserID;
+ convertUserID(userID,UserID);
+
+ TableName = tableName;
+ // Oracle and Interbase table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ RETCODE retcode;
+
+ // Some databases cannot accept a user name when looking up table names,
+ // so we use the call below that leaves out the user name
+ if (!UserID.IsEmpty() &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER &&
+ Dbms() != dbmsDB2 &&
+ Dbms() != dbmsINTERBASE &&
+ Dbms() != dbmsPERVASIVE_SQL)
+ {
+ retcode = SQLTables(hstmt,
+ NULL, 0, // All qualifiers
+ (UCHAR *) UserID.c_str(), SQL_NTS, // Only tables owned by this user
+ (UCHAR FAR *)TableName.c_str(), SQL_NTS,
+ NULL, 0); // All table types
+ }
+ else
+ {
+ retcode = SQLTables(hstmt,
+ NULL, 0, // All qualifiers
+ NULL, 0, // All owners
+ (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)
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return(DispAllErrors(henv, hdbc, hstmt));
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ return(TRUE);
+
+} // wxDb::TableExists()
+
+
+/********** wxDb::TablePrivileges() **********/
+bool wxDb::TablePrivileges(const wxString &tableName, const wxString &priv, const wxChar *userID,
+ const wxChar *schema, const wxString &tablePath)
+{
+ wxASSERT(tableName.Length());
+
+ wxDbTablePrivilegeInfo result;
+ SDWORD cbRetVal;
+ RETCODE retcode;
+
+ // We probably need to be able to dynamically set this based on
+ // the driver type, and state.
+ wxChar curRole[]=wxT("public");
+
+ wxString TableName;
+
+ wxString UserID,Schema;
+ convertUserID(userID,UserID);
+ convertUserID(schema,Schema);
+
+ TableName = tableName;
+ // Oracle and Interbase table names are uppercase only, so force
+ // the name to uppercase just in case programmer forgot to do this
+ if ((Dbms() == dbmsORACLE) ||
+ (Dbms() == dbmsINTERBASE))
+ TableName = TableName.Upper();
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+
+ // Some databases cannot accept a user name when looking up table names,
+ // so we use the call below that leaves out the user name
+ if (!Schema.IsEmpty() &&
+ Dbms() != dbmsMY_SQL &&
+ Dbms() != dbmsACCESS &&
+ Dbms() != dbmsMS_SQL_SERVER)
+ {
+ retcode = SQLTablePrivileges(hstmt,
+ NULL, 0, // Catalog
+ (UCHAR FAR *)Schema.c_str(), SQL_NTS, // Schema
+ (UCHAR FAR *)TableName.c_str(), SQL_NTS);
+ }
+ else
+ {
+ retcode = SQLTablePrivileges(hstmt,
+ NULL, 0, // Catalog
+ NULL, 0, // Schema
+ (UCHAR FAR *)TableName.c_str(), SQL_NTS);
+ }
+
+#ifdef DBDEBUG_CONSOLE
+ fprintf(stderr ,wxT("SQLTablePrivileges() returned %i \n"),retcode);
+#endif
+
+ if ((retcode != SQL_SUCCESS) && (retcode != SQL_SUCCESS_WITH_INFO))
+ return(DispAllErrors(henv, hdbc, hstmt));
+
+ bool failed = FALSE;
+ retcode = SQLFetch(hstmt);
+ while (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
+ {
+ if (SQLGetData(hstmt, 1, SQL_C_CHAR, (UCHAR*) result.tableQual, sizeof(result.tableQual), &cbRetVal) != SQL_SUCCESS)
+ failed = TRUE;
+
+ if (!failed && SQLGetData(hstmt, 2, SQL_C_CHAR, (UCHAR*) result.tableOwner, sizeof(result.tableOwner), &cbRetVal) != SQL_SUCCESS)
+ failed = TRUE;
+
+ if (!failed && SQLGetData(hstmt, 3, SQL_C_CHAR, (UCHAR*) result.tableName, sizeof(result.tableName), &cbRetVal) != SQL_SUCCESS)
+ failed = TRUE;
+
+ if (!failed && SQLGetData(hstmt, 4, SQL_C_CHAR, (UCHAR*) result.grantor, sizeof(result.grantor), &cbRetVal) != SQL_SUCCESS)
+ failed = TRUE;
+
+ if (!failed && SQLGetData(hstmt, 5, SQL_C_CHAR, (UCHAR*) result.grantee, sizeof(result.grantee), &cbRetVal) != SQL_SUCCESS)
+ failed = TRUE;
+
+ if (!failed && SQLGetData(hstmt, 6, SQL_C_CHAR, (UCHAR*) result.privilege, sizeof(result.privilege), &cbRetVal) != SQL_SUCCESS)
+ failed = TRUE;
+
+ if (!failed && SQLGetData(hstmt, 7, SQL_C_CHAR, (UCHAR*) result.grantable, sizeof(result.grantable), &cbRetVal) != SQL_SUCCESS)
+ failed = TRUE;
+
+ if (failed)
+ {
+ return(DispAllErrors(henv, hdbc, hstmt));
+ }
+#ifdef DBDEBUG_CONSOLE
+ fprintf(stderr,wxT("Scanning %s privilege on table %s.%s granted by %s to %s\n"),
+ result.privilege,result.tableOwner,result.tableName,
+ result.grantor, result.grantee);
+#endif
+
+ if (UserID.IsSameAs(result.tableOwner,FALSE))
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return TRUE;
+ }
+
+ if (UserID.IsSameAs(result.grantee,FALSE) &&
+ !wxStrcmp(result.privilege,priv))
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return TRUE;
+ }
+
+ if (!wxStrcmp(result.grantee,curRole) &&
+ !wxStrcmp(result.privilege,priv))
+ {
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return TRUE;
+ }
+
+ retcode = SQLFetch(hstmt);
+ }
+
+ SQLFreeStmt(hstmt, SQL_CLOSE);
+ return FALSE;
+
+} // wxDb::TablePrivileges
projects / wxWidgets.git / blobdiff