SQLCopyDescTest.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:4k
源码类别:
MySQL数据库
开发平台:
Visual C++
- /* Copyright (C) 2003 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; either version 2 of the License, or
- (at your option) any later version.
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include <NdbOut.hpp>
- #include <sqlcli.h>
- #include <stdio.h>
- using namespace std;
- #define NAME_LEN 50
- #define PHONE_LEN 10
- #define SALES_PERSON_LEN 10
- #define STATUS_LEN 6
- #define ROWS 100
- #define DESC_LEN 50
- // Template for a row
- typedef struct {
- SQLINTEGER sPartID;
- SQLINTEGER cbPartID;
- SQLUCHAR szDescription[DESC_LENGTH];
- SQLINTEGER cbDescription;
- REAL sPrice;
- SQLINTEGER cbPrice;
- } PartsSource;
- PartsSource rget[ROWS]; // rowset buffer
- SQLUSMALLINT sts_ptr[ROWS]; // status pointer
- SQLHSTMT hstmt0, hstmt1;
- SQLHDESC hArd0, hIrd0, hApd1, hIpd1;
- 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 DisplayError(SQLSMALLINT HandleType, SQLHDESC InputHandle);
- int SQLCopyDescTest ()
- {
- // We can create the table and insert rows in NDB by program TestDirectSQL.
- // In this test program(SQLGetCopyRecTest),we only have three rows in table ORDERS
- // ARD and IRD of hstmt0
- SQLGetStmtAttr(hstmt0, SQL_ATTR_APP_ROW_DESC, &hArd0, 0, NULL);
- SQLGetStmtAttr(hstmt0, SQL_ATTR_IMP_ROW_DESC, &hIrd0, 0, NULL);
- // APD and IPD of hstmt1
- SQLGetStmtAttr(hstmt1, SQL_ATTR_APP_PARAM_DESC, &hApd1, 0, NULL);
- SQLGetStmtAttr(hstmt1, SQL_ATTR_IMP_PARAM_DESC, &hIpd1, 0, NULL);
- // Use row-wise binding on hstmt0 to fetch rows
- SQLSetStmtAttr(hstmt0, SQL_ATTR_ROW_BIND_TYPE, (SQLPOINTER) sizeof(PartsSource), 0);
- // Set rowset size for hstmt0
- SQLSetStmtAttr(hstmt0, SQL_ATTR_ROW_ARRAY_SIZE, (SQLPOINTER) ROWS, 0);
- // Execute a select statement
- SQLExecDirect(hstmt0, "SELECT PARTID, DESCRIPTION, PRICE FROM PARTS ORDER BY 3, 1, 2"",
- SQL_NTS);
- // Bind
- SQLBindCol(hstmt0, 1, SQL_C_SLONG, rget[0].sPartID, 0,
- &rget[0].cbPartID);
- SQLBindCol(hstmt0, 2, SQL_C_CHAR, &rget[0].szDescription, DESC_LEN,
- &rget[0].cbDescription);
- SQLBindCol(hstmt0, 3, SQL_C_FLOAT, rget[0].sPrice,
- 0, &rget[0].cbPrice);
- // Perform parameter bindings on hstmt1.
- /* If SourceDeschandle does not identify an allocated CLI descriptor area */
- retcode1 = SQLCopyDesc(hArd0, hApd1);
- retcode2 = SQLCopyDesc(hIrd0, hIpd1);
- if (retcode == SQL_ERROR || retcode == SQL_SUCCESS_WITH_INFO)
- DisplayError(SQL_HANDLE_DESC, hdesc);
- /* If TargetDeschandle does not identify an allocated CLI descriptor area */
- retcode = SQLCopyDesc(hdesc, );
- if (retcode == SQL_ERROR || retcode == SQL_SUCCESS_WITH_INFO)
- DisplayError(SQL_HANDLE_DESC, hdesc);
- return 0;
- }
- void 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 ++;
- }
- }