/* Copyright (c) 2003, 2005 MySQL AB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #include using namespace std; #define NAME_LEN 50 #define PHONE_LEN 10 #define SALES_PERSON_LEN 10 #define STATUS_LEN 6 #define SQL_MAXIMUM_MESSAGE_LENGTH 200 SQLHSTMT hstmt; SQLHDESC hdesc; SQLSMALLINT RecNumber; SQLCHAR szSalesPerson[SALES_PERSON_LEN]; SQLCHAR Sqlstate[5], Msg[SQL_MAXIMUM_MESSAGE_LENGTH]; SQLINTEGER NativeError; SQLRETURN retcode, SQLSTATEs; SQLINTEGER ValuePtr1; SQLCHAR ValuePtr2; SQLSMALLINT ValuePtr3; SQLINTEGER StringLengthPtr; SQLSMALLINT i, MsgLen; void SQLGetDescFieldTest_DisplayError(SQLSMALLINT HandleType, SQLHDESC InputHandle); int SQLGetDescFieldTest() { /* If MBR is 'PS' and there is no prepared or execute statement associated with S*/ retcode = SQLGetDescField(hdesc, 1, SQL_DESC_ARRAY_SIZE, &ValuePtr1, 128, &StringLengthPtr); if (retcode == SQL_ERROR || retcode == SQL_SUCCESS_WITH_INFO) SQLGetDescFieldTest_DisplayError(SQL_HANDLE_DESC, hdesc); /* hstmt */ // SQLPrepare a statement to select rows from the ORDERS Table. We can create the // table and inside rows in NDB by another program TestDirectSQL. In this test // program(SQLGetDescRecTest),we only have three rows in table ORDERS /* Prepare the SQL statement with parameter markers. */ retcode = SQLPrepare(hstmt, (SQLCHAR *)"SELECT ORDERID, CUSTID, OPENDATE, SALESPERSON, STATUS FROM ORDERS)", SQL_NTS); /* SELECT OrderID, CustID, OpenDate, SalesPerson from Table ORDERS */ if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) { /* If FI(FieldIdentifer) is not one of the code values in Table 20 */ retcode = SQLGetDescField(hdesc, 1, 9999, &ValuePtr1, 128, &StringLengthPtr); if (retcode == SQL_ERROR || retcode == SQL_SUCCESS_WITH_INFO) SQLGetDescFieldTest_DisplayError(SQL_HANDLE_DESC, hdesc); /* RecoderNumber is less than 1 */ retcode = SQLGetDescField(hdesc, -1, SQL_DESC_ARRAY_SIZE, &ValuePtr1, 128, &StringLengthPtr); if (retcode == SQL_ERROR || retcode == SQL_SUCCESS_WITH_INFO) SQLGetDescFieldTest_DisplayError(SQL_HANDLE_DESC, hdesc); /* RecoderNumber is greater than N, N be the value of the COUNT field of D, D be the allocated CLI */ /* descriptor area identified by DescriptorHandle */ retcode = SQLGetDescField(hdesc, 4, SQL_DESC_ARRAY_SIZE, &ValuePtr1, 128, &StringLengthPtr); if (retcode == SQL_ERROR || retcode == SQL_SUCCESS_WITH_INFO) SQLGetDescFieldTest_DisplayError(SQL_HANDLE_DESC, hdesc); } return 0; } void SQLGetDescFieldTest_DisplayError(SQLSMALLINT HandleType, SQLHDESC InputHandle) { i = 1; while ((SQLSTATEs = SQLGetDiagRec(HandleType, InputHandle, i, Sqlstate, &NativeError, Msg, sizeof(Msg), &MsgLen)) != SQL_NO_DATA) { ndbout << "the HandleType is:" << HandleType << endl; ndbout << "the InputHandle is :" << InputHandle << endl; ndbout << "the output state is:" << (char *)Sqlstate << endl; i ++; } }