示例#1
0
CAMLprim value mapi_fetch_row_stub(value hdl)
{
    int nr_fields = mapi_fetch_row((MapiHdl) hdl);
    if (nr_fields == 0) {
	return Val_int(0);
    } else {
	return Val_some(Val_int(nr_fields));
    }
}
示例#2
0
文件: sample4.c 项目: f7753/monetdb
int
main(int argc, char **argv)
{
	Mapi dbh;
	MapiHdl hdl = NULL;
	mapi_int64 rows;

	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_cache_limit(dbh, 2);
	/* mapi_trace_log(dbh, "/tmp/mapilog"); */
	/* 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);
		rows = mapi_fetch_all_rows(hdl);
		if (mapi_error(dbh))
			die(dbh, hdl);
		printf("rows received " LLFMT "\n", rows);
		while (mapi_fetch_row(hdl)) {
			char *nme = mapi_fetch_field(hdl, 0);
			char *age = mapi_fetch_field(hdl, 1);

			printf("%s is %s\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(dbh, "bat.append(emp, \"John\");")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "bat.append(age, 23);")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if (mapi_close_handle(hdl) != MOK)
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "bat.append(emp, \"Mary\");")) == NULL || mapi_error(dbh))
			die(dbh, hdl);
		if ((hdl = mapi_query(dbh, "bat.append(age, 22);")) == 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);
		rows = mapi_fetch_all_rows(hdl);
		if (mapi_error(dbh))
			die(dbh, hdl);
		printf("rows received " LLFMT "\n", rows);
		while (mapi_fetch_row(hdl)) {
			char *nme = mapi_fetch_field(hdl, 1);
			char *age = mapi_fetch_field(hdl, 2);

			printf("%s is %s\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);
	/* mapi_stat(dbh);
	   printf("mapi_ping %d\n",mapi_ping(dbh)); */
	if (mapi_close_handle(hdl) != MOK)
		die(dbh, hdl);
	mapi_destroy(dbh);

	return 0;
}
示例#3
0
文件: SQLFetch.c 项目: f7753/monetdb
SQLRETURN
MNDBFetch(ODBCStmt *stmt, SQLUSMALLINT *RowStatusArray)
{
	ODBCDesc *ard, *ird;
	ODBCDescRec *rec;
	int i;
	SQLULEN row;
	SQLLEN offset;

	/* stmt->startRow is the (0 based) index of the first row we
	 * stmt->need to fetch */

	ard = stmt->ApplRowDescr;
	ird = stmt->ImplRowDescr;

	stmt->retrieved = 0;
	stmt->currentCol = 0;

	stmt->rowSetSize = 0;
	stmt->currentRow = stmt->startRow + 1;
	if (mapi_seek_row(stmt->hdl, stmt->startRow, MAPI_SEEK_SET) != MOK) {
		/* Row value out of range */
		addStmtError(stmt, "HY107", mapi_error_str(stmt->Dbc->mid), 0);
		return SQL_ERROR;
	}

	stmt->State = FETCHED;

	if (stmt->retrieveData == SQL_RD_OFF) {
		/* don't really retrieve the data, just do as if,
		   updating the SQL_DESC_ARRAY_STATUS_PTR */
		stmt->rowSetSize = ard->sql_desc_array_size;

		if (stmt->startRow + stmt->rowSetSize > (SQLLEN) stmt->rowcount)
			stmt->rowSetSize = stmt->rowcount - stmt->startRow;

		if (stmt->rowSetSize <= 0) {
			stmt->rowSetSize = 0;
			return SQL_NO_DATA;
		}
		if (RowStatusArray) {
			for (row = 0; (SQLLEN) row < stmt->rowSetSize; row++) {
				WriteValue(RowStatusArray, SQL_ROW_SUCCESS);
				RowStatusArray++;
			}
			for (; row < ard->sql_desc_array_size; row++) {
				WriteValue(RowStatusArray, SQL_ROW_NOROW);
				RowStatusArray++;
			}
		}
		return SQL_SUCCESS;
	}

	if (ard->sql_desc_bind_offset_ptr)
		offset = *ard->sql_desc_bind_offset_ptr;
	else
		offset = 0;
	for (row = 0; row < ard->sql_desc_array_size; row++) {
		if (mapi_fetch_row(stmt->hdl) == 0) {
			switch (mapi_error(stmt->Dbc->mid)) {
			case MOK:
				if (row == 0)
					return SQL_NO_DATA;
				break;
			case MTIMEOUT:
				if (RowStatusArray)
					WriteValue(RowStatusArray, SQL_ROW_ERROR);
				/* Timeout expired / Communication
				 * link failure */
				addStmtError(stmt, stmt->Dbc->sql_attr_connection_timeout ? "HYT00" : "08S01", mapi_error_str(stmt->Dbc->mid), 0);
				return SQL_ERROR;
			default:
				if (RowStatusArray)
					WriteValue(RowStatusArray, SQL_ROW_ERROR);
				/* General error */
				addStmtError(stmt, "HY000", mapi_error_str(stmt->Dbc->mid), 0);
				return SQL_ERROR;
			}
			break;
		}
		if (RowStatusArray)
			WriteValue(RowStatusArray, SQL_ROW_SUCCESS);

		stmt->rowSetSize++;

		for (i = 1; i <= ird->sql_desc_count; i++)
			ird->descRec[i].already_returned = 0;

		for (i = 1; i <= ard->sql_desc_count; i++) {
			rec = &ard->descRec[i];
			if (rec->sql_desc_data_ptr == NULL)
				continue;
			stmt->retrieved = 0;
			if (ODBCFetch(stmt, i,
				      rec->sql_desc_concise_type,
				      rec->sql_desc_data_ptr,
				      rec->sql_desc_octet_length,
				      rec->sql_desc_octet_length_ptr,
				      rec->sql_desc_indicator_ptr,
				      rec->sql_desc_precision,
				      rec->sql_desc_scale,
				      rec->sql_desc_datetime_interval_precision,
				      offset, row) == SQL_ERROR) {
				if (RowStatusArray)
					WriteValue(RowStatusArray, SQL_ROW_SUCCESS_WITH_INFO);
			}
		}
		if (RowStatusArray)
			RowStatusArray++;
	}
	if (ird->sql_desc_rows_processed_ptr)
		*ird->sql_desc_rows_processed_ptr = (SQLULEN) stmt->rowSetSize;

	if (RowStatusArray)
		while (row++ < ard->sql_desc_array_size) {
			WriteValue(RowStatusArray, SQL_ROW_NOROW);
			RowStatusArray++;
		}

	return stmt->Error ? SQL_SUCCESS_WITH_INFO : SQL_SUCCESS;
}
示例#4
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;
}
示例#5
0
文件: sample3.c 项目: f7753/monetdb
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;
}
示例#6
0
文件: SQLSetPos.c 项目: f7753/monetdb
SQLRETURN SQL_API
SQLSetPos(SQLHSTMT StatementHandle,
	  SQLSETPOSIROW RowNumber,
	  SQLUSMALLINT Operation,
	  SQLUSMALLINT LockType)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLSetPos " PTRFMT " " ULENFMT " %s %s\n",
		PTRFMTCAST StatementHandle, ULENCAST RowNumber,
		translateOperation(Operation), translateLockType(LockType));
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	/* check the parameter values */

	if (stmt->State < EXECUTED0) {
		/* Function sequence error */
		addStmtError(stmt, "HY010", NULL, 0);
		return SQL_ERROR;
	}
	if (stmt->State <= EXECUTED1) {
		/* Invalid cursor state */
		addStmtError(stmt, "24000", NULL, 0);
		return SQL_ERROR;
	}

	if (RowNumber > (SQLSETPOSIROW) stmt->rowSetSize) {
		/* Row value out of range */
		addStmtError(stmt, "HY107", NULL, 0);
		return SQL_ERROR;
	}

	if (stmt->cursorType == SQL_CURSOR_FORWARD_ONLY) {
		/* Invalid cursor position */
		addStmtError(stmt, "HY109", NULL, 0);
		return SQL_ERROR;
	}

	switch (LockType) {
	case SQL_LOCK_NO_CHANGE:
		/* the only value that we support */
		break;
	case SQL_LOCK_EXCLUSIVE:
	case SQL_LOCK_UNLOCK:
		/* Optional feature not implemented */
		addStmtError(stmt, "HYC00", NULL, 0);
		return SQL_ERROR;
	default:
		/* Invalid attribute/option identifier */
		addStmtError(stmt, "HY092", NULL, 0);
		return SQL_ERROR;
	}

	switch (Operation) {
	case SQL_POSITION:
		if (RowNumber == 0) {
			/* Invalid cursor position */
			addStmtError(stmt, "HY109", NULL, 0);
			return SQL_ERROR;
		}
		if (mapi_seek_row(stmt->hdl, stmt->startRow + RowNumber - 1,
				  MAPI_SEEK_SET) != MOK) {
			/* Invalid cursor position */
			addStmtError(stmt, "HY109", NULL, 0);
			return SQL_ERROR;
		}
		stmt->currentRow = stmt->startRow + RowNumber - 1;
		switch (mapi_fetch_row(stmt->hdl)) {
		case MOK:
			break;
		case MTIMEOUT:
			/* Connection timeout expired */
			addStmtError(stmt, "HYT01", NULL, 0);
			return SQL_ERROR;
		default:
			/* Invalid cursor position */
			addStmtError(stmt, "HY109", NULL, 0);
			return SQL_ERROR;
		}
		stmt->currentRow++;
		break;
	case SQL_REFRESH:
	case SQL_UPDATE:
	case SQL_DELETE:
		/* Optional feature not implemented */
		addStmtError(stmt, "HYC00", NULL, 0);
		return SQL_ERROR;
	default:
		/* Invalid attribute/option identifier */
		addStmtError(stmt, "HY092", NULL, 0);
		return SQL_ERROR;
	}

	return SQL_SUCCESS;
}