i'm trying to identify start- and enddate for ranges with same value in a column.
In this scenario, i'm trying to identify start and enddate of ranges where col4 = 0.
To be more concrete:
CREATE TABLE TEMPTABLE(
col0,
col1,
col2,
col3,
col4
);
INSERT INTO TEMPTABLE (col0, col1, col2, col3, col4) VALUES ('MYHOST', 'Name', '1234', '2016-04-04T00:08:02Z', 0);
INSERT INTO TEMPTABLE (col0, col1, col2, col3, col4) VALUES ('MYHOST', 'Name', '1234', '2016-04-04T00:07:02Z', 0);
INSERT INTO TEMPTABLE (col0, col1, col2, col3, col4) VALUES ('MYHOST', 'Name', '1234', '2016-04-04T00:06:02Z', 0);
INSERT INTO TEMPTABLE (col0, col1, col2, col3, col4) VALUES ('MYHOST', 'Name', '1234', '2016-04-04T00:04:02Z', 1);
INSERT INTO TEMPTABLE (col0, col1, col2, col3, col4) VALUES ('MYHOST', 'Name', '1234', '2016-04-04T00:03:02Z', 0);
INSERT INTO TEMPTABLE (col0, col1, col2, col3, col4) VALUES ('MYHOST', 'Name', '1234', '2016-04-04T00:02:02Z', 0);
INSERT INTO TEMPTABLE (col0, col1, col2, col3, col4) VALUES ('MYHOST', 'Name', '1234', '2016-04-04T00:01:02Z', 0);
INSERT INTO TEMPTABLE (col0, col1, col2, col3, col4) VALUES ('MYHOST', 'Name', '1234', '2016-04-04T00:00:02Z', 0);
INSERT INTO TEMPTABLE (col0, col1, col2, col3, col4) VALUES ('MYHOST', 'Name', '1234', '2016-04-10T07:11:02Z', 1);
INSERT INTO TEMPTABLE (col0, col1, col2, col3, col4) VALUES ('MYHOST', 'Name', '1234', '2016-04-10T07:10:02Z', 1);
What i actually achieved is to identify the ranges, but i'm not able to group them:
SELECT a.col0, a.col1, a.col2, a.col3 as Startdate, b.col3 as Enddate, a.rowid, b.rowid
FROM TEMPTABLE a, TEMPTABLE b
WHERE a.rowid = b.rowid +1
AND a.col4 = b.col4
AND b.col4 = 0
Output:
MYHOST | Name | 1234 | 2016-04-04T00:07:02Z | 2016-04-04T00:08:02Z
MYHOST | Name | 1234 | 2016-04-04T00:06:02Z | 2016-04-04T00:07:02Z
MYHOST | Name | 1234 | 2016-04-04T00:02:02Z | 2016-04-04T00:03:02Z
MYHOST | Name | 1234 | 2016-04-04T00:01:02Z | 2016-04-04T00:02:02Z
MYHOST | Name | 1234 | 2016-04-04T00:00:02Z | 2016-04-04T00:01:02Z
Desired Output:
Hostname | NAME | ID | STARTDATE | ENDDATE
MYHOST | Name | 1234 | 2016-04-04T00:06:02Z | 2016-04-04T00:08:02Z
MYHOST | Name | 1234 | 2016-04-04T00:10:02Z | 2016-04-04T00:13:02Z
BW, Lukas
Aucun commentaire:
Enregistrer un commentaire