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#include <sys/types.h>
#include <stdio.h>
#include <db2/db_cxx.h>
#define DATABASE "access.db"
int main(void)
{
Db *dbp;
Dbt key, data;
int ret, t_ret, openBad;
int getBad, putBad, delBad;
int result = 0;
// create a dbp
openBad = Db::open(DATABASE, DB_BTREE, DB_CREATE, 0600, NULL, NULL, &dbp);
if(! openBad)
{
// // open (creating if necessary) the file name DATABASE
// ret = dbp->open(dbp, DATABASE, NULL, DB_BTREE, DB_CREATE, 0664);
// set key to "fruit"
key.set_data((void*) "fruit");
key.set_size(sizeof("fruit"));
// set data to "apple"
data.set_data((void*) "apple");
data.set_size(sizeof("apple"));
// try to put it in the database
putBad = dbp->put(NULL, &key, &data, 0);
if (! putBad)
printf("db: %s: key stored.\n", (char*) key.get_data());
else
{
printf("DB->put\n");
goto err;
}
// try to get it back
getBad = dbp->get(NULL, &key, &data, 0);
if (! getBad)
printf
(
"db: %s: key retrieved: data was %s.\n",
(char *)key.get_data(),
(char *)data.get_data()
);
else
{
printf("DB->get\n");
goto err;
}
// remove the key
delBad = dbp->del(NULL, &key, 0);
if (! delBad)
printf("db: %s: key was deleted.\n", (char *)key.get_data());
else
{
printf("DB->del\n");
goto err;
}
err:
t_ret = dbp->close(0);
if (t_ret != 0 && ret == 0)
result = t_ret;
}
else
{
fprintf(stderr, "db_create: %s\n", "couldn't open");
result = 1;
}
return result;
}
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