SQLRowCountTest.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:6k
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 */
- /**
- * @file SQLRowCountTest.cpp
- */
- #include <common.hpp>
- using namespace std;
- #define NAME_LEN 50
- #define PHONE_LEN 10
- #define SALES_PERSON_LEN 10
- #define STATUS_LEN 6
- #define RC_MESSAGE_LENGTH 200
- SQLHSTMT RC_hstmt;
- SQLHDBC RC_hdbc;
- SQLHENV RC_henv;
- SQLHDESC RC_hdesc;
- void SQLRowCountTest_DisplayError(SQLSMALLINT RC_HandleType,
- SQLHSTMT RC_InputHandle);
- /**
- * Test to obtain a count of the number of rows
- * in a table
- *
- * -# Call SQLRowCount without executed statement
- * -# Call SQLRowCount with normal case
- *
- * @return Zero, if test succeeded
- */
- int SQLRowCountTest()
- {
- SQLRETURN retcode;
- unsigned long RowCount;
- SQLCHAR SQLStmt [120];
- ndbout << endl << "Start SQLRowCount Testing" << endl;
- //************************************************************************
- //* If there is no executed statement, an execption condotion is raised **
- //************************************************************************
- retcode = SQLRowCount(RC_hstmt, &RowCount);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- {
- SQLRowCountTest_DisplayError(SQL_HANDLE_STMT, RC_hstmt);
- }
- //************************************
- //** Allocate An Environment Handle **
- //************************************
- retcode = SQLAllocHandle(SQL_HANDLE_ENV,
- SQL_NULL_HANDLE,
- &RC_henv);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated an environment Handle!" << endl;
- //*********************************************
- //** Set the ODBC application Version to 3.x **
- //*********************************************
- retcode = SQLSetEnvAttr(RC_henv,
- SQL_ATTR_ODBC_VERSION,
- (SQLPOINTER) SQL_OV_ODBC3,
- SQL_IS_UINTEGER);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Set the ODBC application Version to 3.x!" << endl;
- //**********************************
- //** Allocate A Connection Handle **
- //**********************************
- retcode = SQLAllocHandle(SQL_HANDLE_DBC,
- RC_henv,
- &RC_hdbc);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated a connection Handle!" << endl;
- // *******************
- // ** Connect to DB **
- // *******************
- retcode = SQLConnect(RC_hdbc,
- (SQLCHAR *) connectString(),
- SQL_NTS,
- (SQLCHAR *) "",
- SQL_NTS,
- (SQLCHAR *) "",
- SQL_NTS);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Connected to DB : OK!" << endl;
- else
- {
- ndbout << "Failure to Connect DB!" << endl;
- return NDBT_FAILED;
- }
- //*******************************
- //** Allocate statement handle **
- //*******************************
- retcode = SQLAllocHandle(SQL_HANDLE_STMT,
- RC_hdbc,
- &RC_hstmt);
- if(retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated a statement handle!" << endl;
- //************************
- //** Define a statement **
- //************************
- strcpy((char *) SQLStmt, "INSERT INTO Customers (CustID, Name, Address,Phone) VALUES(588, 'HeYong','LM888','919888')");
- //*******************************
- //* Prepare the SQL statement **
- //*******************************
- retcode = SQLPrepare(RC_hstmt,
- SQLStmt,
- SQL_NTS);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) {
- //******************************
- //* Execute the SQL statement **
- //******************************
- retcode = SQLExecute(RC_hstmt);
- if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) {
- //***************
- // Normal test **
- //***************
- retcode = SQLRowCount(RC_hstmt, &RowCount);
- if (retcode == SQL_ERROR )
- SQLRowCountTest_DisplayError(SQL_HANDLE_STMT, RC_hstmt);
- else
- ndbout << endl << "Number of the rows in the table Customers: "
- << (int)RowCount << endl;
- }
- }
- // *********************************
- // ** Disconnect and Free Handles **
- // *********************************
- SQLDisconnect(RC_hdbc);
- SQLFreeHandle(SQL_HANDLE_STMT, RC_hstmt);
- SQLFreeHandle(SQL_HANDLE_DBC, RC_hdbc);
- SQLFreeHandle(SQL_HANDLE_ENV, RC_henv);
- return NDBT_OK;
- }
- void SQLRowCountTest_DisplayError(SQLSMALLINT RC_HandleType,
- SQLHSTMT RC_InputHandle)
- {
- SQLRETURN SQLSTATEs;
- SQLSMALLINT i, MsgLen;
- SQLCHAR Sqlstate[5], Msg[RC_MESSAGE_LENGTH];
- SQLINTEGER NativeError;
- i = 1;
- while ((SQLSTATEs = SQLGetDiagRec(RC_HandleType,
- RC_InputHandle,
- i,
- Sqlstate,
- &NativeError,
- Msg,
- sizeof(Msg),
- &MsgLen))
- != SQL_NO_DATA)
- {
- ndbout << "the HandleType is:" << RC_HandleType << endl;
- ndbout << "the InputHandle is :" << (long)RC_InputHandle << endl;
- ndbout << "the Msg:" << (char *)Msg << endl;
- ndbout << "the output state is:" << (char *)Sqlstate << endl;
- i ++;
- }
- }