forked from alibaba/AliSQL
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathformat_bytes.sql
More file actions
81 lines (68 loc) · 1.8 KB
/
format_bytes.sql
File metadata and controls
81 lines (68 loc) · 1.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
-- Copyright (c) 2014, 2025, Oracle and/or its affiliates.
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; version 2 of the License.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
DROP FUNCTION IF EXISTS sys.format_bytes;
DELIMITER $$
CREATE DEFINER='mysql.sys'@'localhost' FUNCTION sys.format_bytes (
-- We feed in and return TEXT here, as aggregates of
-- bytes can return numbers larger than BIGINT UNSIGNED
bytes TEXT
)
RETURNS TEXT
COMMENT '
Description
-----------
Takes a raw bytes value, and converts it to a human readable format.
Parameters
-----------
bytes (TEXT):
A raw bytes value.
Returns
-----------
TEXT
Example
-----------
mysql> SELECT sys.format_bytes(2348723492723746) AS size;
+----------+
| size |
+----------+
| 2.09 PiB |
+----------+
1 row in set (0.00 sec)
mysql> SELECT sys.format_bytes(2348723492723) AS size;
+----------+
| size |
+----------+
| 2.14 TiB |
+----------+
1 row in set (0.00 sec)
mysql> SELECT sys.format_bytes(23487234) AS size;
+-----------+
| size |
+-----------+
| 22.40 MiB |
+-----------+
1 row in set (0.00 sec)
'
SQL SECURITY INVOKER
DETERMINISTIC
NO SQL
BEGIN
IF (bytes IS NULL) THEN
RETURN NULL;
ELSE
RETURN format_bytes(bytes);
END IF;
END$$
DELIMITER ;