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 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
| --------------
START TRANSACTION
--------------
--------------
show variables like '%version%'
--------------
+-----------------------------------+------------------------------------------+
| Variable_name | Value |
+-----------------------------------+------------------------------------------+
| in_predicate_conversion_threshold | 1000 |
| innodb_version | 10.5.8 |
| protocol_version | 10 |
| slave_type_conversions | |
| system_versioning_alter_history | ERROR |
| system_versioning_asof | DEFAULT |
| tls_version | TLSv1.1,TLSv1.2,TLSv1.3 |
| version | 10.5.8-MariaDB |
| version_comment | mariadb.org binary distribution |
| version_compile_machine | x64 |
| version_compile_os | Win64 |
| version_malloc_library | system |
| version_source_revision | 7da6353b1558adce73320c803f0413c9bbd81185 |
| version_ssl_library | WolfSSL 4.4.0 |
+-----------------------------------+------------------------------------------+
--------------
DROP DATABASE IF EXISTS `base`
--------------
--------------
CREATE DATABASE IF NOT EXISTS `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
--------------
--------------
DROP TABLE IF EXISTS `test`
--------------
--------------
CREATE TABLE `test`
( `id` integer unsigned not null auto_increment primary key,
`periode` datetime not null,
`flag` tinyint not null
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
INSERT INTO `test` (`periode`,`flag`) values
('2023-01-04 09:47:57', 1), ('2023-01-04 09:47:58', 1), ('2023-01-04 09:47:59', 1), ('2023-01-04 09:48:00', 1),
('2023-01-04 09:48:01', 1), ('2023-01-04 09:48:02', 1), ('2023-01-04 09:57:21', 1), ('2023-01-04 09:57:22', 1),
('2023-01-04 09:57:23', 1), ('2023-01-04 09:57:24', 1), ('2023-01-04 09:57:25', 1), ('2023-01-04 09:57:26', 0),
('2023-01-04 10:07:10', 0), ('2023-01-04 10:07:29', 0), ('2023-01-04 10:17:20', 0), ('2023-01-04 10:17:34', 0),
('2023-01-04 10:17:35', 0), ('2023-01-04 10:17:36', 0), ('2023-01-04 10:17:37', 0), ('2023-01-04 10:17:38', 0),
('2023-01-04 10:17:39', 0), ('2023-01-04 10:17:40', 1), ('2023-01-04 10:17:41', 1), ('2023-01-04 10:17:42', 1),
('2023-01-04 10:17:43', 1), ('2023-01-04 10:17:44', 1), ('2023-01-04 10:17:45', 1), ('2023-01-04 10:17:46', 1),
('2023-01-04 10:17:47', 1), ('2023-01-04 10:17:49', 1), ('2023-01-04 10:17:50', 0), ('2023-01-04 10:17:51', 0),
('2023-01-04 10:17:53', 1), ('2023-01-04 10:17:55', 0)
--------------
--------------
select * from `test`
--------------
+----+---------------------+------+
| id | periode | flag |
+----+---------------------+------+
| 1 | 2023-01-04 09:47:57 | 1 |
| 2 | 2023-01-04 09:47:58 | 1 |
| 3 | 2023-01-04 09:47:59 | 1 |
| 4 | 2023-01-04 09:48:00 | 1 |
| 5 | 2023-01-04 09:48:01 | 1 |
| 6 | 2023-01-04 09:48:02 | 1 |
| 7 | 2023-01-04 09:57:21 | 1 |
| 8 | 2023-01-04 09:57:22 | 1 |
| 9 | 2023-01-04 09:57:23 | 1 |
| 10 | 2023-01-04 09:57:24 | 1 |
| 11 | 2023-01-04 09:57:25 | 1 |
| 12 | 2023-01-04 09:57:26 | 0 |
| 13 | 2023-01-04 10:07:10 | 0 |
| 14 | 2023-01-04 10:07:29 | 0 |
| 15 | 2023-01-04 10:17:20 | 0 |
| 16 | 2023-01-04 10:17:34 | 0 |
| 17 | 2023-01-04 10:17:35 | 0 |
| 18 | 2023-01-04 10:17:36 | 0 |
| 19 | 2023-01-04 10:17:37 | 0 |
| 20 | 2023-01-04 10:17:38 | 0 |
| 21 | 2023-01-04 10:17:39 | 0 |
| 22 | 2023-01-04 10:17:40 | 1 |
| 23 | 2023-01-04 10:17:41 | 1 |
| 24 | 2023-01-04 10:17:42 | 1 |
| 25 | 2023-01-04 10:17:43 | 1 |
| 26 | 2023-01-04 10:17:44 | 1 |
| 27 | 2023-01-04 10:17:45 | 1 |
| 28 | 2023-01-04 10:17:46 | 1 |
| 29 | 2023-01-04 10:17:47 | 1 |
| 30 | 2023-01-04 10:17:49 | 1 |
| 31 | 2023-01-04 10:17:50 | 0 |
| 32 | 2023-01-04 10:17:51 | 0 |
| 33 | 2023-01-04 10:17:53 | 1 |
| 34 | 2023-01-04 10:17:55 | 0 |
+----+---------------------+------+
--------------
select *, timediff(t2_periode, t1_periode) as duree
from ( select min(t1.id) as t1_id,
min(t1.periode) as t1_periode,
min(t1.flag) as t1_flag,
t2.id as t2_id,
t2.periode as t2_periode,
t2.flag as t2_flag
from `test` as t1
inner join `test` as t2
on t2.id = (select min(id) from `test` where periode >= t1.periode and flag != t1.flag)
group by t2.id, t2.periode, t2.flag
) as x
--------------
+-------+---------------------+---------+-------+---------------------+---------+----------+
| t1_id | t1_periode | t1_flag | t2_id | t2_periode | t2_flag | duree |
+-------+---------------------+---------+-------+---------------------+---------+----------+
| 1 | 2023-01-04 09:47:57 | 1 | 12 | 2023-01-04 09:57:26 | 0 | 00:09:29 |
| 12 | 2023-01-04 09:57:26 | 0 | 22 | 2023-01-04 10:17:40 | 1 | 00:20:14 |
| 22 | 2023-01-04 10:17:40 | 1 | 31 | 2023-01-04 10:17:50 | 0 | 00:00:10 |
| 31 | 2023-01-04 10:17:50 | 0 | 33 | 2023-01-04 10:17:53 | 1 | 00:00:03 |
| 33 | 2023-01-04 10:17:53 | 1 | 34 | 2023-01-04 10:17:55 | 0 | 00:00:02 |
+-------+---------------------+---------+-------+---------------------+---------+----------+
--------------
COMMIT
--------------
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