/****************************************************************************
** (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: tscreate.sqc
**
** SAMPLE: How to create and drop buffer pools and table spaces
**
** DB2 API USED:
** db2CfgGet - Get Database Configuration
**
** SQL STATEMENTS USED:
** CREATE BUFFERPOOL
** EXECUTE IMMEDIATE
** DROP
**
**
*****************************************************************************
**
** For more information on the sample programs, see the README file.
**
** For information on developing embedded SQL applications see the Developing Embedded SQL Applications book.
**
** For information on using SQL statements, see the SQL Reference.
**
** For information on DB2 APIs, see the Administrative API 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 <stdlib.h>
#include <string.h>
#include <sqlenv.h>
#include <sqlutil.h>
#include <db2ApiDf.h>
#include "utilemb.h"
int BufferpoolCreate(void);
int SMSTablespaceCreate(char *);
int DMSTablespaceCreate(char *);
int TablespacesDrop(void);
int BufferpoolDrop(void);
int ServerWorkingPathGet(char *, char *); /* support function */
EXEC SQL BEGIN DECLARE SECTION;
char strStmt[257];
EXEC SQL END DECLARE SECTION;
int main(int argc, char *argv[])
{
int rc = 0;
char nodeName[SQL_INSTNAME_SZ + 1];
char serverWorkingPath[SQL_PATH_SZ + 1];
char dbAlias[SQL_ALIAS_SZ + 1];
char user[USERID_SZ + 1];
char pswd[PSWD_SZ + 1];
/* check the command line arguments */
rc = CmdLineArgsCheck3(argc, argv, dbAlias, nodeName, user, pswd);
if (rc != 0)
{
return rc;
}
printf("\nTHIS SAMPLE SHOWS ");
printf("HOW TO CREATE AND DROP BUFFER POOLS AND TABLE SPACES.\n");
/* attach to a local or remote instance */
rc = InstanceAttach(nodeName, user, pswd);
if (rc != 0)
{
return rc;
}
/* get a server working path */
rc = ServerWorkingPathGet(dbAlias, serverWorkingPath);
if (rc != 0)
{
return rc;
}
/* detach from the local or remote instance */
rc = InstanceDetach(nodeName);
if (rc != 0)
{
return rc;
}
/* connect to the database */
DbConn(dbAlias, user, pswd);
if (rc != 0)
{
return rc;
}
rc = BufferpoolCreate();
rc = SMSTablespaceCreate(serverWorkingPath);
rc = DMSTablespaceCreate(serverWorkingPath);
/* disconnect from the database */
DbDisconn(dbAlias);
if (rc != 0)
{
return rc;
}
/* conect to the database */
DbConn(dbAlias, user, pswd);
if (rc != 0)
{
return rc;
}
rc = TablespacesDrop();
rc = BufferpoolDrop();
/* disconnect from the database */
DbDisconn(dbAlias);
if (rc != 0)
{
return rc;
}
return 0;
} /* main */
int ServerWorkingPathGet(char dbAlias[], char serverWorkingPath[])
{
int rc = 0;
struct sqlca sqlca;
db2CfgParam cfgParameters[1];
db2Cfg cfgStruct;
char serverLogPath[SQL_PATH_SZ + 1];
int len;
/* initialize cfgParameters */
cfgParameters[0].flags = 0;
cfgParameters[0].token = SQLF_DBTN_LOGPATH;
cfgParameters[0].ptrvalue =
(char *)malloc((SQL_PATH_SZ + 1) * sizeof(char));
/* initialize cfgStruct */
cfgStruct.numItems = 1;
cfgStruct.paramArray = cfgParameters;
cfgStruct.flags = db2CfgDatabase;
cfgStruct.dbname = dbAlias;
/* get database configuration */
db2CfgGet(db2Version970, (void *)&cfgStruct, &sqlca);
DB2_API_CHECK("server log path -- get");
strcpy(serverLogPath, cfgParameters[0].ptrvalue);
free(cfgParameters[0].ptrvalue);
/* get server working path */
/* for example, if the serverLogPath = "C:\DB2\NODE0001\....". */
/* keep for serverWorkingPath "C:\DB2" only. */
len = (int)(strstr(serverLogPath, "NODE") - serverLogPath - 1);
memcpy(serverWorkingPath, serverLogPath, len);
serverWorkingPath[len] = '\0';
return 0;
} /* ServerWorkingPathGet */
int BufferpoolCreate(void)
{
int rc = 0;
struct sqlca sqlca;
printf("\n-----------------------------------------------------------");
printf("\nUSE THE SQL STATEMENTS:\n");
printf(" CREATE BUFFERPOOL\n");
printf(" COMMIT\n");
printf("TO CREATE A BUFFER POOL.\n");
/* create buffer pool */
printf("\n CREATE BUFFERPOOL new_bufpool SIZE 500 PAGESIZE 8K\n");
EXEC SQL CREATE BUFFERPOOL new_bufpool SIZE 500 PAGESIZE 8 K;
EMB_SQL_CHECK("bufferpool -- create");
/* commit transaction */
printf(" COMMIT\n");
EXEC SQL COMMIT;
EMB_SQL_CHECK("transaction -- commit");
return 0;
} /* BufferpoolCreate */
int SMSTablespaceCreate(char serverWorkingPath[])
{
int rc = 0;
struct sqlca sqlca;
char containerPath[SQL_PATH_SZ + 1];
printf("\n-----------------------------------------------------------");
printf("\nUSE THE SQL STATEMENTS:\n");
printf(" CREATE TABLESPACE\n");
printf(" COMMIT\n");
printf("TO CREATE AN SMS TABLE SPACE.\n");
/* create SMS table space */
strcpy(containerPath, serverWorkingPath);
strcat(containerPath, PATH_SEP);
strcat(containerPath, "sms_cont1");
sprintf(strStmt, "create tablespace sms_tspace "
" MANAGED BY SYSTEM "
" USING('%s') "
" BUFFERPOOL new_bufpool", containerPath);
printf("\n CREATE TABLESPACE sms_tspace"
"\n MANAGED BY SYSTEM"
"\n USING('%s')"
"\n BUFFERPOOL new_bufpool\n", containerPath);
EXEC SQL EXECUTE IMMEDIATE :strStmt;
EMB_SQL_CHECK("SMS tablespace -- create");
/* commit transaction */
printf(" COMMIT\n");
EXEC SQL COMMIT;
EMB_SQL_CHECK("transaction -- commit");
return 0;
} /* SMSTablespaceCreate */
int DMSTablespaceCreate(char serverWorkingPath[])
{
int rc = 0;
struct sqlca sqlca;
char containerFileName[SQL_PATH_SZ + 1];
printf("\n-----------------------------------------------------------");
printf("\nUSE THE SQL STATEMENTS:\n");
printf(" CREATE TABLESPACE\n");
printf(" COMMIT\n");
printf("TO CREATE A DMS TABLE SPACE.\n");
/* create DMS table space */
strcpy(containerFileName, serverWorkingPath);
strcat(containerFileName, PATH_SEP);
strcat(containerFileName, "dms_cont1.dat");
sprintf(strStmt, "CREATE TABLESPACE dms_tspace "
" MANAGED BY DATABASE "
" USING(FILE '%s' 10000) "
" BUFFERPOOL new_bufpool", containerFileName);
printf("\n CREATE TABLESPACE dms_tspace"
"\n MANAGED BY DATABASE"
"\n USING(FILE '%s' 10000)"
"\n BUFFERPOOL new_bufpool\n", containerFileName);
EXEC SQL EXECUTE IMMEDIATE :strStmt;
EMB_SQL_CHECK("DMS tablespace -- create");
/* commit transaction */
printf(" COMMIT\n");
EXEC SQL COMMIT;
EMB_SQL_CHECK("transaction -- commit");
return 0;
} /* DMSTablespaceCreate */
int TablespacesDrop(void)
{
int rc = 0;
struct sqlca sqlca;
printf("\n-----------------------------------------------------------");
printf("\nUSE THE SQL STATEMENTS:\n");
printf(" DROP\n");
printf(" COMMIT\n");
printf("TO DROP TABLE SPACES.\n");
/* drop table spaces */
printf("\n DROP TABLESPACES sms_tspace, dms_tspace\n");
EXEC SQL DROP TABLESPACES sms_tspace, dms_tspace;
EMB_SQL_CHECK("tablespaces -- drop");
/* commit transaction */
printf(" COMMIT\n");
EXEC SQL COMMIT;
EMB_SQL_CHECK("transaction -- commit");
return 0;
} /* TablespacesDrop */
int BufferpoolDrop(void)
{
int rc = 0;
struct sqlca sqlca;
printf("\n-----------------------------------------------------------");
printf("\nUSE THE SQL STATEMENTS:\n");
printf(" DROP\n");
printf(" COMMIT\n");
printf("TO DROP A BUFFER POOL.\n");
/* drop buffer pool */
printf("\n DROP BUFFERPOOL new_bufpool\n");
EXEC SQL DROP BUFFERPOOL new_bufpool;
EMB_SQL_CHECK("bufferpool -- drop");
/* commit transaction */
printf(" COMMIT\n");
EXEC SQL COMMIT;
EMB_SQL_CHECK("transaction -- commit");
return 0;
} /* BufferpoolDrop */