Esempio n. 1
0
int
main(int argc, char **argv)
{
	/* a parameter binding test */
	char *nme = 0;
	int age = 0;
	char *parm[] = { "peter", 0 };
	char *parm2[] = { "25", 0 };
	char *parm3[] = { "peter", "25", 0 };
	Mapi dbh= NULL;
	MapiHdl hdl = NULL;

	if (argc != 4) {
		printf("usage:%s <host> <port> <language>\n", argv[0]);
		exit(-1);
	}

	dbh = mapi_connect(argv[1], atoi(argv[2]), "monetdb", "monetdb", argv[3], NULL);
	if (dbh == NULL || mapi_error(dbh))
		die(dbh, hdl);

	/* mapi_trace(dbh,1); */
	if (strcmp(argv[3], "sql") == 0) {
		/* switch of autocommit */
		if (mapi_setAutocommit(dbh, 0) != MOK || mapi_error(dbh))
			die(dbh,NULL);
		if ((hdl = mapi_query(dbh, "create table emp(name varchar(20), age int)")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_close_handle(hdl) != MOK)
			die(dbh, hdl);
		if ((hdl = mapi_query_array(dbh, "insert into emp values('?', ?)", parm3)) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_close_handle(hdl) != MOK)
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "select * from emp")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_bind(hdl, 0, &nme))
			die(dbh, hdl);
		if (mapi_bind_var(hdl, 1, MAPI_INT, &age))
			die(dbh, hdl);
		while (mapi_fetch_row(hdl)) {
			printf("%s is %d\n", nme, age);
		}
	} else if (strcmp(argv[3], "mal") == 0) {
		if ((hdl = mapi_query(dbh, "emp := bat.new(:oid,:str);")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "age := bat.new(:oid,:int);")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_close_handle(hdl) != MOK)
			die(dbh, hdl);
		if ((hdl = mapi_query_array(dbh, "bat.append(emp,\"?\");", parm)) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if ((hdl = mapi_query_array(dbh, "bat.append(age,?);", parm2)) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_close_handle(hdl) != MOK)
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "io.print(emp,age);")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_bind(hdl, 1, &nme))
			die(dbh, hdl);
		if (mapi_bind_var(hdl, 2, MAPI_INT, &age))
			die(dbh, hdl);
		while (mapi_fetch_row(hdl)) {
			printf("%s is %d\n", nme, age);
		}
	} else {
		fprintf(stderr, "%s: unknown language, only mal and sql supported\n", argv[0]);
		exit(1);
	}

	if (mapi_error(dbh))
		die(dbh, hdl);
	if (mapi_close_handle(hdl) != MOK)
		die(dbh, hdl);
	mapi_destroy(dbh);

	return 0;
}
Esempio n. 2
0
int
main(int argc, char **argv)
{
	Mapi dbh;
	MapiHdl hdl = NULL;
	mapi_int64 rows, i;
	char *parm[] = { "peter", 0 };
	char *parm2[] = { "25", 0 };
	int j;

	if (argc != 4) {
		printf("usage:%s <host> <port> <language>\n", argv[0]);
		exit(-1);
	}

	dbh = mapi_connect(argv[1], atoi(argv[2]), "monetdb", "monetdb", argv[3], NULL);
	if (dbh == NULL || mapi_error(dbh))
		die(dbh, hdl);

	/* mapi_trace(dbh, 1); */
	if (strcmp(argv[3], "sql") == 0) {
		/* switch of autocommit */
		if (mapi_setAutocommit(dbh, 0) != MOK || mapi_error(dbh))
			die(dbh,NULL);
		if ((hdl = mapi_query(dbh, "create table emp(name varchar(20), age int)")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_close_handle(hdl) != MOK)
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "insert into emp values('John', 23)")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_close_handle(hdl) != MOK)
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "insert into emp values('Mary', 22)")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_close_handle(hdl) != MOK)
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "select * from emp")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
	} else if (strcmp(argv[3], "mal") == 0) {
		if ((hdl = mapi_query(dbh, "emp := bat.new(:oid,:str);")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "age := bat.new(:oid,:int);")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_close_handle(hdl) != MOK)
			die(dbh, hdl);
		if ((hdl = mapi_query_array(dbh, "bat.append(emp,\"?\");", parm)) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if ((hdl = mapi_query_array(dbh, "bat.append(age,?);", parm2)) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_close_handle(hdl) != MOK)
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "io.print(emp,age);")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
	} else {
		fprintf(stderr, "%s: unknown language, only mal and sql supported\n", argv[0]);
		exit(1);
	}

	/* Retrieve all tuples in the client cache first */
	rows = mapi_fetch_all_rows(hdl);
	if (mapi_error(dbh))
		die(dbh, hdl);
	printf("rows received " LLFMT " with %d fields\n", rows, mapi_get_field_count(hdl));

	/* Interpret the cache as a two-dimensional array */
	for (i = 0; i < rows; i++) {
		if (mapi_seek_row(hdl, i, MAPI_SEEK_SET) || mapi_fetch_row(hdl) == 0)
			break;
		for (j = 0; j < mapi_get_field_count(hdl); j++) {
			printf("%s=%s ", mapi_get_name(hdl, j), mapi_fetch_field(hdl, j));
		}
		printf("\n");
	}
	if (mapi_error(dbh))
		die(dbh, hdl);
	if (mapi_close_handle(hdl) != MOK)
		die(dbh, hdl);
	mapi_destroy(dbh);

	return 0;
}