/****************************************************************************
** (c) Copyright IBM Corp. 2007 All rights reserved.
**
** The following sample of source code ("Sample") is owned by International
** Business Machines Corporation or one of its subsidiaries ("IBM") and is
** copyrighted and licensed, not sold. You may use, copy, modify, and
** distribute the Sample in any form without payment to IBM, for the purpose of
** assisting you in the development of your applications.
**
** The Sample code is provided to you on an "AS IS" basis, without warranty of
** any kind. IBM HEREBY EXPRESSLY DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR
** IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do
** not allow for the exclusion or limitation of implied warranties, so the above
** limitations or exclusions may not apply to you. IBM shall not be liable for
** any damages you suffer as a result of using, copying, modifying or
** distributing the Sample, even if IBM has been advised of the possibility of
** such damages.
*****************************************************************************
**
** SOURCE FILE NAME: admincmd_updateconfig.c
**
** SAMPLE: How to update and reset the Database configuration and Database
** Manager Configuration Parameters
**
** CLI FUNCTIONS USED:
** SQLAllocHandle -- Allocate Handle
** SQLBindParameter -- Bind a Parameter Marker to a Buffer or
** LOB locator
** SQLExecute -- Execute a Statement
** SQLFreeHandle -- Free Handle Resources
** SQLPrepare -- Prepare a Statement
**
**
*****************************************************************************
**
** For more information on the sample programs, see the README file.
**
** For information on developing CLI applications, see the CLI Guide
** and Reference.
**
** For information on using SQL statements, see the SQL Reference.
**
** For the latest information on programming, building, and running DB2
** applications, visit the DB2 Information Center:
** http://publib.boulder.ibm.com/infocenter/db2luw/v9r7/index.jsp
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sqlcli1.h>
#include "utilcli.h" /* Header file for CLI sample code */
int main(int argc, char *argv[])
{
SQLRETURN cliRC = SQL_SUCCESS;
int rc = 0;
SQLHANDLE henv; /* environment handle */
SQLHANDLE hdbc; /* connection handle */
SQLHANDLE hstmt1, hstmt2, hstmt3, hstmt4; /* statement handle */
/* statement to be used to prepare embedded SQL statements */
SQLCHAR *stmt = (SQLCHAR *) "CALL SYSPROC.ADMIN_CMD (?)";
char inparam[300] = {0}; /* parameter to be passed
to the stored procedure */
char dbAlias[SQL_MAX_DSN_LENGTH + 1];
char user[MAX_UID_LENGTH + 1];
char pswd[MAX_PWD_LENGTH + 1];
/* check the command line arguments */
rc = CmdLineArgsCheck1(argc, argv, dbAlias, user, pswd);
if (rc != 0)
{
return rc;
}
printf("\nTHIS SAMPLE SHOWS HOW TO UPDATE AND RESET THE DB CFG\n");
printf(" AND DBM CFG PARAMETERS USING ADMIN_CMD.\n");
/* initialize the CLI application by calling a helper
utility function defined in utilcli.c */
rc = CLIAppInit(dbAlias,
user,
pswd,
&henv,
&hdbc,
(SQLPOINTER)SQL_AUTOCOMMIT_ON);
if (rc != 0)
{
return rc;
}
/* allocate the handle for statement */
cliRC = SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt1);
DBC_HANDLE_CHECK(hdbc, cliRC);
/* allocate the handle for statement */
cliRC = SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt2);
DBC_HANDLE_CHECK(hdbc, cliRC);
/* allocate the handle for statement */
cliRC = SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt3);
DBC_HANDLE_CHECK(hdbc, cliRC);
/* allocate the handle for statement */
cliRC = SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt4);
DBC_HANDLE_CHECK(hdbc, cliRC);
/* updatting the Database configuration Parameter dbheap to 1500 */
strcpy(inparam, "UPDATE DATABASE CONFIGURATION USING DBHEAP 1500 ");
printf("\nCALL ADMIN_CMD('%s')\n", inparam);
/* prepare the statement */
cliRC = SQLPrepare(hstmt1, stmt, SQL_NTS);
STMT_HANDLE_CHECK(hstmt1, hdbc, cliRC);
/* bind the parameter to the statement */
cliRC = SQLBindParameter(hstmt1,
1,
SQL_PARAM_INPUT,
SQL_C_CHAR,
SQL_CLOB,
300,
0,
inparam,
300,
NULL);
STMT_HANDLE_CHECK(hstmt1, hdbc, cliRC);
/* execute the statement */
cliRC = SQLExecute(hstmt1);
STMT_HANDLE_CHECK(hstmt1, hdbc, cliRC);
printf("The DB CFG parameter is updated successfully.\n");
/* updatting the Database Manager Configuration Parameter aslheapsz
to 1000 */
strcpy(inparam, "UPDATE DATABASE MANAGER CONFIGURATION USING ");
strcat(inparam, "ASLHEAPSZ 1000");
printf("\nCALL ADMIN_CMD('%s')\n", inparam);
/* prepare the statement */
cliRC = SQLPrepare(hstmt2, stmt, SQL_NTS);
STMT_HANDLE_CHECK(hstmt2, hdbc, cliRC);
/* bind the parameter to the statement */
cliRC = SQLBindParameter(hstmt2,
1,
SQL_PARAM_INPUT,
SQL_C_CHAR,
SQL_CLOB,
300,
0,
inparam,
300,
NULL);
STMT_HANDLE_CHECK(hstmt2, hdbc, cliRC);
/* execute the statement */
cliRC = SQLExecute(hstmt2);
STMT_HANDLE_CHECK(hstmt2, hdbc, cliRC);
printf("The DBM CFG parameter is updated successfully.\n");
/* resetting the DB CFG parameters for SAMPLE */
strcpy(inparam, "RESET DB CFG FOR sample");
printf("\nCALL ADMIN_CMD('%s')\n", inparam);
/* prepare the statement */
cliRC = SQLPrepare(hstmt3, stmt, SQL_NTS);
STMT_HANDLE_CHECK(hstmt3, hdbc, cliRC);
/* bind the parameter to the statement */
cliRC = SQLBindParameter(hstmt3,
1,
SQL_PARAM_INPUT,
SQL_C_CHAR,
SQL_CLOB,
300,
0,
inparam,
300,
NULL);
STMT_HANDLE_CHECK(hstmt3, hdbc, cliRC);
/* execute the statement */
cliRC = SQLExecute(hstmt3);
STMT_HANDLE_CHECK(hstmt3, hdbc, cliRC);
printf("The DB CFG parameters for SAMPLE DB are resetted successfully.\n");
/* resetting the DBM CFG parameters */
strcpy(inparam, "RESET DBM CFG");
printf("\nCALL ADMIN_CMD('%s')\n", inparam);
/* prepare the statement */
cliRC = SQLPrepare(hstmt4, stmt, SQL_NTS);
STMT_HANDLE_CHECK(hstmt4, hdbc, cliRC);
/* bind the parameter to the statement */
cliRC = SQLBindParameter(hstmt4,
1,
SQL_PARAM_INPUT,
SQL_C_CHAR,
SQL_CLOB,
300,
0,
inparam,
300,
NULL);
STMT_HANDLE_CHECK(hstmt4, hdbc, cliRC);
/* execute the statement */
cliRC = SQLExecute(hstmt4);
STMT_HANDLE_CHECK(hstmt4, hdbc, cliRC);
printf("The DBM CFG parameters are resetted successfully\n");
/* free the statement handle */
cliRC = SQLFreeHandle(SQL_HANDLE_STMT, hstmt1);
STMT_HANDLE_CHECK(hstmt1, hdbc, cliRC);
/* free the statement handle */
cliRC = SQLFreeHandle(SQL_HANDLE_STMT, hstmt2);
STMT_HANDLE_CHECK(hstmt2, hdbc, cliRC);
/* free the statement handle */
cliRC = SQLFreeHandle(SQL_HANDLE_STMT, hstmt3);
STMT_HANDLE_CHECK(hstmt3, hdbc, cliRC);
/* free the statement handle */
cliRC = SQLFreeHandle(SQL_HANDLE_STMT, hstmt4);
STMT_HANDLE_CHECK(hstmt4, hdbc, cliRC);
/* terminate the CLI application by calling a helper
utility function defined in utilcli.c */
rc = CLIAppTerm(&henv, &hdbc, dbAlias);
return rc;
} /* end of main */