SQLTablesTest.cpp
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上传日期:2022-05-23
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- /* 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 SQLTablesTest.cpp
- */
- #include <common.hpp>
- using namespace std;
- #define Tables_NAME_LEN 12
- #define Tables_PHONE_LEN 12
- #define Tables_ADDRESS_LEN 12
- #define Tables_SQL_MAXIMUM_MESSAGE_LENGTH 200
- SQLHDBC Tables_hdbc;
- SQLHSTMT Tables_hstmt;
- SQLHENV Tables_henv;
- SQLHDESC Tables_hdesc;
- void Tables_DisplayError(SQLSMALLINT Tables_HandleType,
- SQLHSTMT Tables_InputHandle);
- /**
- * Test to retrieve a list of table names stored in aspecified
- * data source's system
- *
- * -# Normal case test: print out the table name in the data result set
- * @return Zero, if test succeeded
- */
- int SQLTablesTest()
- {
- SQLRETURN Tables_retcode;
- SQLCHAR Tables_Name[Tables_NAME_LEN], Tables_Phone[Tables_PHONE_LEN];
- SQLCHAR Tables_Address[Tables_ADDRESS_LEN];
- SQLINTEGER Tables_CustID;
- ndbout << endl << "Start SQLTables Testing" << endl;
- //*******************************************************************
- //** hstmt
- //** Execute a statement to retrieve rows from the Customers table **
- //** We can create the table and insert rows into Customers **
- //*******************************************************************
- //************************************
- //** Allocate An Environment Handle **
- //************************************
- Tables_retcode = SQLAllocHandle(SQL_HANDLE_ENV,
- SQL_NULL_HANDLE,
- &Tables_henv);
-
- if (Tables_retcode == SQL_SUCCESS || Tables_retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated an environment Handle!" << endl;
-
- //*********************************************
- //** Set the ODBC application Version to 3.x **
- //*********************************************
- Tables_retcode = SQLSetEnvAttr(Tables_henv,
- SQL_ATTR_ODBC_VERSION,
- (SQLPOINTER) SQL_OV_ODBC3,
- SQL_IS_UINTEGER);
-
- if (Tables_retcode == SQL_SUCCESS || Tables_retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Set the ODBC application Version to 3.x!" << endl;
- //**********************************
- //** Allocate A Connection Handle **
- //**********************************
- Tables_retcode = SQLAllocHandle(SQL_HANDLE_DBC,
- Tables_henv,
- &Tables_hdbc);
- if (Tables_retcode == SQL_SUCCESS || Tables_retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated a connection Handle!" << endl;
-
- // *******************
- // ** Connect to DB **
- // *******************
- Tables_retcode = SQLConnect(Tables_hdbc,
- (SQLCHAR *) connectString(),
- SQL_NTS,
- (SQLCHAR *) "",
- SQL_NTS,
- (SQLCHAR *) "",
- SQL_NTS);
-
- if (Tables_retcode == SQL_SUCCESS || Tables_retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Connected to DB : OK!" << endl;
- else
- {
- ndbout << "Failure to Connect DB!" << endl;
- return NDBT_FAILED;
- }
- //*******************************
- //** Allocate statement handle **
- //*******************************
-
- Tables_retcode = SQLAllocHandle(SQL_HANDLE_STMT,
- Tables_hdbc,
- &Tables_hstmt);
- if (Tables_retcode == SQL_SUCCESS || Tables_retcode == SQL_SUCCESS_WITH_INFO)
- ndbout << "Allocated a statement handle!" << endl;
-
- //**************************************************************
- //** Retrieve information about the tables in the data source **
- //**************************************************************
- Tables_retcode = SQLTables(Tables_hstmt,
- NULL,
- 0,
- NULL,
- 0,
- (SQLCHAR *)"%",
- 128,
- (SQLCHAR *)"TABLES",
- 128);
- ndbout <<"Tables_retcode = SQLTables() =" << Tables_retcode;
- if (Tables_retcode == SQL_ERROR)
- Tables_DisplayError(SQL_HANDLE_STMT, Tables_hstmt);
- //*******************************************
- //** Bind columns 3 in the result data set **
- //*******************************************
- Tables_retcode = SQLBindCol(Tables_hstmt,
- 3,
- SQL_C_CHAR,
- &Tables_Name,
- Tables_NAME_LEN,
- NULL);
- ndbout <<"Tables_retcode = SQLBindCol() =" << Tables_retcode;
- //**********************************************
- //* Fetch and print out data in the result On **
- //* an error, display a message and exit **
- //**********************************************
-
- Tables_retcode = SQLFetch(Tables_hstmt);
- ndbout <<"Tables_retcode = SQLFetch() =" << Tables_retcode;
- ndbout << endl << "Tables_retcode = SQLFetch(Tables_hstmt) = "
- << Tables_retcode << endl;
- if (Tables_retcode == SQL_ERROR)
- {
- Tables_DisplayError(SQL_HANDLE_STMT, Tables_hstmt);
- return NDBT_FAILED;
- }
- else if (Tables_retcode == SQL_SUCCESS_WITH_INFO)
- {
- ndbout << "Table Name = " << (char *)Tables_Name << endl;
- Tables_DisplayError(SQL_HANDLE_STMT, Tables_hstmt);
- }
- else if (Tables_retcode == SQL_NO_DATA)
- Tables_DisplayError(SQL_HANDLE_STMT, Tables_hstmt);
- else
- {
- ndbout << "TableName = " << (char *)Tables_Name << endl;
- Tables_DisplayError(SQL_HANDLE_STMT, Tables_hstmt);
- }
- // *********************************
- // ** Disconnect and Free Handles **
- // *********************************
- SQLDisconnect(Tables_hdbc);
- SQLFreeHandle(SQL_HANDLE_STMT, Tables_hstmt);
- SQLFreeHandle(SQL_HANDLE_DBC, Tables_hdbc);
- SQLFreeHandle(SQL_HANDLE_ENV, Tables_henv);
- return NDBT_OK;
- }
- void Tables_DisplayError(SQLSMALLINT Tables_HandleType,
- SQLHSTMT Tables_InputHandle)
- {
- SQLINTEGER NativeError;
- SQLSMALLINT Tables_i = 1;
- SQLRETURN Tables__SQLSTATEs;
- SQLCHAR Tables_Sqlstate[5];
- SQLCHAR Tables_Msg[Tables_SQL_MAXIMUM_MESSAGE_LENGTH];
- SQLSMALLINT Tables_MsgLen;
-
- ndbout << "-------------------------------------------------" << endl;
- ndbout << "Error diagnostics:" << endl;
-
- while ((Tables__SQLSTATEs = SQLGetDiagRec(Tables_HandleType,
- Tables_InputHandle,
- Tables_i,
- Tables_Sqlstate,
- &NativeError,
- Tables_Msg,
- sizeof(Tables_Msg),
- &Tables_MsgLen)
- ) != SQL_NO_DATA)
- {
- ndbout << "the HandleType is:" << Tables_HandleType << endl;
- ndbout << "the InputHandle is :" << (long)Tables_InputHandle << endl;
- ndbout << "the Tables_Msg is: " << (char *) Tables_Msg << endl;
- ndbout << "the output state is:" << (char *)Tables_Sqlstate << endl;
- Tables_i ++;
- break;
- }
- ndbout << "-------------------------------------------------" << endl;
- }