MySQL group rows by progressive date in consecutive rows

up vote
2
down vote

favorite

This is my table

+------+------+------+---------------------+---------------------+

| ID_1 | ID_2 | ID_3 |        enter        |        exit         |

+------+------+------+---------------------+---------------------+

|    1 | A    | I    | 17/01/2013 15:37:25 | 18/01/2013 16:26:47 |

|    1 | A    | I    | 18/01/2013 16:26:47 | 28/01/2013 11:22:59 |

|    1 | B    | II   | 13/06/2013 22:23:54 | 21/06/2013 16:45:37 |

|    1 | B    | II   | 21/06/2013 16:45:37 | 23/06/2013 09:45:00 |

|    1 | B    | II   | 23/06/2013 09:45:00 | 23/06/2013 11:57:18 |

|    1 | B    | II   | 23/06/2013 11:57:18 | 25/06/2013 13:35:51 |

|    1 | B    | II   | 25/06/2013 14:45:21 | 25/06/2013 17:57:03 |

|    1 | B    | II   | 25/06/2013 17:57:03 | 28/06/2013 09:45:00 |

|    1 | B    | II   | 28/06/2013 09:45:00 | 28/06/2013 12:41:28 |

|    1 | B    | II   | 28/06/2013 12:41:28 | 03/07/2013 20:19:29 |

|    1 | B    | II   | 03/07/2013 20:19:29 | 05/07/2013 17:11:30 |

|    1 | B    | II   | 05/07/2013 21:33:30 | 10/07/2013 10:55:38 |

|    1 | B    | II   | 10/07/2013 13:29:58 | 09/08/2013 17:16:13 |

|    1 | B    | II   | 09/08/2013 17:16:13 | 27/09/2013 14:45:31 |

|    1 | B    | II   | 27/09/2013 14:45:31 | 11/11/2013 12:00:00 |

|    1 | C    | III  | 09/03/2014 00:14:31 | 05/04/2014 12:12:51 |

+------+------+------+---------------------+---------------------+

My aim is to group rows by ID_1, ID_2, ID_3 when exit of previous row is equal to enter of next row, and I also want to change exit with the the last consecutive exit The resul should be

+------+------+------+---------------------+---------------------+

| ID_1 | ID_2 | ID_3 |        enter        |        exit         |

+------+------+------+---------------------+---------------------+

|    1 | A    | I    | 17/01/2013 15:37:25 | 28/01/2013 11:22:59 |

|    1 | B    | II   | 13/06/2013 22:23:54 | 25/06/2013 13:35:51 |

|    1 | B    | II   | 25/06/2013 14:45:21 | 05/07/2013 17:11:30 |

|    1 | B    | II   | 05/07/2013 21:33:30 | 11/11/2013 12:00:00 |

|    1 | C    | III  | 09/03/2014 00:14:31 | 05/04/2014 12:12:51 |

+------+------+------+---------------------+---------------------+

Is it possible to have it in MySQL?

asked Nov 22 at 14:01

Gongo82

112

1

What is your MySQL server version ? Is there any Primary key in your table ? Without that we really cant define "order", as data is unordered
– Madhur Bhaiya
Nov 22 at 14:01

This looks like a gaps and islands problem to me, or at least a variant of it. If you are using MySQL 8+ or later, then you may take advantage of analytic functions, which would really help here.
– Tim Biegeleisen
Nov 22 at 14:05

MySQL 5.7. There is no pk in my table
– Gongo82
Nov 22 at 14:06

2

If you have no PK, then you have no table.
– Strawberry
Nov 22 at 14:09

1

@Arth It depends on the engine (I think)
– Strawberry
Nov 22 at 18:21

|
show 3 more comments

up vote
2
down vote

favorite

This is my table

+------+------+------+---------------------+---------------------+

| ID_1 | ID_2 | ID_3 |        enter        |        exit         |

+------+------+------+---------------------+---------------------+

|    1 | A    | I    | 17/01/2013 15:37:25 | 18/01/2013 16:26:47 |

|    1 | A    | I    | 18/01/2013 16:26:47 | 28/01/2013 11:22:59 |

|    1 | B    | II   | 13/06/2013 22:23:54 | 21/06/2013 16:45:37 |

|    1 | B    | II   | 21/06/2013 16:45:37 | 23/06/2013 09:45:00 |

|    1 | B    | II   | 23/06/2013 09:45:00 | 23/06/2013 11:57:18 |

|    1 | B    | II   | 23/06/2013 11:57:18 | 25/06/2013 13:35:51 |

|    1 | B    | II   | 25/06/2013 14:45:21 | 25/06/2013 17:57:03 |

|    1 | B    | II   | 25/06/2013 17:57:03 | 28/06/2013 09:45:00 |

|    1 | B    | II   | 28/06/2013 09:45:00 | 28/06/2013 12:41:28 |

|    1 | B    | II   | 28/06/2013 12:41:28 | 03/07/2013 20:19:29 |

|    1 | B    | II   | 03/07/2013 20:19:29 | 05/07/2013 17:11:30 |

|    1 | B    | II   | 05/07/2013 21:33:30 | 10/07/2013 10:55:38 |

|    1 | B    | II   | 10/07/2013 13:29:58 | 09/08/2013 17:16:13 |

|    1 | B    | II   | 09/08/2013 17:16:13 | 27/09/2013 14:45:31 |

|    1 | B    | II   | 27/09/2013 14:45:31 | 11/11/2013 12:00:00 |

|    1 | C    | III  | 09/03/2014 00:14:31 | 05/04/2014 12:12:51 |

+------+------+------+---------------------+---------------------+

My aim is to group rows by ID_1, ID_2, ID_3 when exit of previous row is equal to enter of next row, and I also want to change exit with the the last consecutive exit The resul should be

+------+------+------+---------------------+---------------------+

| ID_1 | ID_2 | ID_3 |        enter        |        exit         |

+------+------+------+---------------------+---------------------+

|    1 | A    | I    | 17/01/2013 15:37:25 | 28/01/2013 11:22:59 |

|    1 | B    | II   | 13/06/2013 22:23:54 | 25/06/2013 13:35:51 |

|    1 | B    | II   | 25/06/2013 14:45:21 | 05/07/2013 17:11:30 |

|    1 | B    | II   | 05/07/2013 21:33:30 | 11/11/2013 12:00:00 |

|    1 | C    | III  | 09/03/2014 00:14:31 | 05/04/2014 12:12:51 |

+------+------+------+---------------------+---------------------+

Is it possible to have it in MySQL?

asked Nov 22 at 14:01

Gongo82

112

1

What is your MySQL server version ? Is there any Primary key in your table ? Without that we really cant define "order", as data is unordered
– Madhur Bhaiya
Nov 22 at 14:01

This looks like a gaps and islands problem to me, or at least a variant of it. If you are using MySQL 8+ or later, then you may take advantage of analytic functions, which would really help here.
– Tim Biegeleisen
Nov 22 at 14:05

MySQL 5.7. There is no pk in my table
– Gongo82
Nov 22 at 14:06

2

If you have no PK, then you have no table.
– Strawberry
Nov 22 at 14:09

1

@Arth It depends on the engine (I think)
– Strawberry
Nov 22 at 18:21

|
show 3 more comments

up vote
2
down vote

favorite

This is my table

+------+------+------+---------------------+---------------------+

| ID_1 | ID_2 | ID_3 |        enter        |        exit         |

+------+------+------+---------------------+---------------------+

|    1 | A    | I    | 17/01/2013 15:37:25 | 18/01/2013 16:26:47 |

|    1 | A    | I    | 18/01/2013 16:26:47 | 28/01/2013 11:22:59 |

|    1 | B    | II   | 13/06/2013 22:23:54 | 21/06/2013 16:45:37 |

|    1 | B    | II   | 21/06/2013 16:45:37 | 23/06/2013 09:45:00 |

|    1 | B    | II   | 23/06/2013 09:45:00 | 23/06/2013 11:57:18 |

|    1 | B    | II   | 23/06/2013 11:57:18 | 25/06/2013 13:35:51 |

|    1 | B    | II   | 25/06/2013 14:45:21 | 25/06/2013 17:57:03 |

|    1 | B    | II   | 25/06/2013 17:57:03 | 28/06/2013 09:45:00 |

|    1 | B    | II   | 28/06/2013 09:45:00 | 28/06/2013 12:41:28 |

|    1 | B    | II   | 28/06/2013 12:41:28 | 03/07/2013 20:19:29 |

|    1 | B    | II   | 03/07/2013 20:19:29 | 05/07/2013 17:11:30 |

|    1 | B    | II   | 05/07/2013 21:33:30 | 10/07/2013 10:55:38 |

|    1 | B    | II   | 10/07/2013 13:29:58 | 09/08/2013 17:16:13 |

|    1 | B    | II   | 09/08/2013 17:16:13 | 27/09/2013 14:45:31 |

|    1 | B    | II   | 27/09/2013 14:45:31 | 11/11/2013 12:00:00 |

|    1 | C    | III  | 09/03/2014 00:14:31 | 05/04/2014 12:12:51 |

+------+------+------+---------------------+---------------------+

My aim is to group rows by ID_1, ID_2, ID_3 when exit of previous row is equal to enter of next row, and I also want to change exit with the the last consecutive exit The resul should be

+------+------+------+---------------------+---------------------+

| ID_1 | ID_2 | ID_3 |        enter        |        exit         |

+------+------+------+---------------------+---------------------+

|    1 | A    | I    | 17/01/2013 15:37:25 | 28/01/2013 11:22:59 |

|    1 | B    | II   | 13/06/2013 22:23:54 | 25/06/2013 13:35:51 |

|    1 | B    | II   | 25/06/2013 14:45:21 | 05/07/2013 17:11:30 |

|    1 | B    | II   | 05/07/2013 21:33:30 | 11/11/2013 12:00:00 |

|    1 | C    | III  | 09/03/2014 00:14:31 | 05/04/2014 12:12:51 |

+------+------+------+---------------------+---------------------+

Is it possible to have it in MySQL?

asked Nov 22 at 14:01

Gongo82

112

This is my table

+------+------+------+---------------------+---------------------+

| ID_1 | ID_2 | ID_3 |        enter        |        exit         |

+------+------+------+---------------------+---------------------+

|    1 | A    | I    | 17/01/2013 15:37:25 | 18/01/2013 16:26:47 |

|    1 | A    | I    | 18/01/2013 16:26:47 | 28/01/2013 11:22:59 |

|    1 | B    | II   | 13/06/2013 22:23:54 | 21/06/2013 16:45:37 |

|    1 | B    | II   | 21/06/2013 16:45:37 | 23/06/2013 09:45:00 |

|    1 | B    | II   | 23/06/2013 09:45:00 | 23/06/2013 11:57:18 |

|    1 | B    | II   | 23/06/2013 11:57:18 | 25/06/2013 13:35:51 |

|    1 | B    | II   | 25/06/2013 14:45:21 | 25/06/2013 17:57:03 |

|    1 | B    | II   | 25/06/2013 17:57:03 | 28/06/2013 09:45:00 |

|    1 | B    | II   | 28/06/2013 09:45:00 | 28/06/2013 12:41:28 |

|    1 | B    | II   | 28/06/2013 12:41:28 | 03/07/2013 20:19:29 |

|    1 | B    | II   | 03/07/2013 20:19:29 | 05/07/2013 17:11:30 |

|    1 | B    | II   | 05/07/2013 21:33:30 | 10/07/2013 10:55:38 |

|    1 | B    | II   | 10/07/2013 13:29:58 | 09/08/2013 17:16:13 |

|    1 | B    | II   | 09/08/2013 17:16:13 | 27/09/2013 14:45:31 |

|    1 | B    | II   | 27/09/2013 14:45:31 | 11/11/2013 12:00:00 |

|    1 | C    | III  | 09/03/2014 00:14:31 | 05/04/2014 12:12:51 |

+------+------+------+---------------------+---------------------+

My aim is to group rows by ID_1, ID_2, ID_3 when exit of previous row is equal to enter of next row, and I also want to change exit with the the last consecutive exit The resul should be

+------+------+------+---------------------+---------------------+

| ID_1 | ID_2 | ID_3 |        enter        |        exit         |

+------+------+------+---------------------+---------------------+

|    1 | A    | I    | 17/01/2013 15:37:25 | 28/01/2013 11:22:59 |

|    1 | B    | II   | 13/06/2013 22:23:54 | 25/06/2013 13:35:51 |

|    1 | B    | II   | 25/06/2013 14:45:21 | 05/07/2013 17:11:30 |

|    1 | B    | II   | 05/07/2013 21:33:30 | 11/11/2013 12:00:00 |

|    1 | C    | III  | 09/03/2014 00:14:31 | 05/04/2014 12:12:51 |

+------+------+------+---------------------+---------------------+

Is it possible to have it in MySQL?

mysql

asked Nov 22 at 14:01

Gongo82

112

asked Nov 22 at 14:01

Gongo82

112

asked Nov 22 at 14:01

Gongo82

112

asked Nov 22 at 14:01

Gongo82

112

asked Nov 22 at 14:01

Gongo82

112

1

What is your MySQL server version ? Is there any Primary key in your table ? Without that we really cant define "order", as data is unordered
– Madhur Bhaiya
Nov 22 at 14:01

This looks like a gaps and islands problem to me, or at least a variant of it. If you are using MySQL 8+ or later, then you may take advantage of analytic functions, which would really help here.
– Tim Biegeleisen
Nov 22 at 14:05

MySQL 5.7. There is no pk in my table
– Gongo82
Nov 22 at 14:06

2

If you have no PK, then you have no table.
– Strawberry
Nov 22 at 14:09

1

@Arth It depends on the engine (I think)
– Strawberry
Nov 22 at 18:21

|
show 3 more comments

1

What is your MySQL server version ? Is there any Primary key in your table ? Without that we really cant define "order", as data is unordered
– Madhur Bhaiya
Nov 22 at 14:01

This looks like a gaps and islands problem to me, or at least a variant of it. If you are using MySQL 8+ or later, then you may take advantage of analytic functions, which would really help here.
– Tim Biegeleisen
Nov 22 at 14:05

MySQL 5.7. There is no pk in my table
– Gongo82
Nov 22 at 14:06

2

If you have no PK, then you have no table.
– Strawberry
Nov 22 at 14:09

1

@Arth It depends on the engine (I think)
– Strawberry
Nov 22 at 18:21

What is your MySQL server version ? Is there any Primary key in your table ? Without that we really cant define "order", as data is unordered
– Madhur Bhaiya
Nov 22 at 14:01

This looks like a gaps and islands problem to me, or at least a variant of it. If you are using MySQL 8+ or later, then you may take advantage of analytic functions, which would really help here.
– Tim Biegeleisen
Nov 22 at 14:05

MySQL 5.7. There is no pk in my table
– Gongo82
Nov 22 at 14:06

If you have no PK, then you have no table.
– Strawberry
Nov 22 at 14:09

@Arth It depends on the engine (I think)
– Strawberry
Nov 22 at 18:21

|
show 3 more comments

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