I am not really good in sql and i need your help.
I got a table with sample data in Oracle DB like this:
| DATE_TIME | TYPE | LAT | LON | MSG |
| :------------------------ | :--- | :---- | :---- | :---- |
| 12.11.20 10:04.00.0000000 | A | 10.03 | 11.15 | |
| 12.11.20 10:05.00.0000000 | A | 10.04 | 11.14 | |
| 12.11.20 10:06.00.0000000 | A | 10.05 | 11.13 | |
| 12.11.20 11:18.00.0000000 | B | 20.45 | 40.58 | |
| 12.11.20 11:19.00.0000000 | B | 20.46 | 40.59 | |
| 12.11.20 11:20.00.0000000 | B | 20.47 | 40.60 | |
I have a select which gives me the START_TIME, END_TIME, TYPE, START_LAT, START_LON, END_LAT, END_LON, START_MSG, END_MSG:
SELECT
TO_CHAR(START_TIME, 'DD.MM.YYYY HH24:MI') AS START_TIME,
TO_CHAR(END_TIME, 'DD.MM.YYYY HH24:MI') AS END_TIME,
TYPE,
START_LAT,
START_LON,
END_LAT,
END_LON,
START_MSG,
END_MSG
FROM TABLE_1
MATCH_RECOGNIZE (
PARTITION BY TYPE
ORDER BY DATE_TIME
MEASURES
FIRST(DATE_TIME) AS START_TIME,
LAST(DATE_TIME) AS END_TIME,
FIRST(LAT) AS START_LAT,
FIRST(LON) AS START_LON,
LAST(LAT) AS END_LAT,
LAST(LON) AS END_LON,
FIRST(MSG) AS START_MSG,
LAST(MSG) AS END_MSG
ONE ROW PER MATCH
PATTERN ( adjacent_minutes * last_minute )
DEFINE adjacent_minutes AS NEXT(DATE_TIME) <= LAST(DATE_TIME) + INTERVAL '5' MINUTE
);
Output of this select:
| START_TIME | END_TIME | TYPE | START_LAT | START_LON | END_LAT | END_LON | START_MSG | END_MSG |
| :------------- | :------------- | :--- | :-------- | :-------- | :------ | :------ | :-------- | :------ |
| 12.11.20 10:04 | 12.11.20 10:06 | A | 10.03 | 11.15 | 10.05 | 11.13 | | |
| 12.11.20 11:18 | 12.11.20 11:20 | B | 20.45 | 40.58 | 20.47 | 40.60 | | |
Now I need to insert data with value "country xy" into the column START_MSG when for example START_LAT is between 10 and 11 and START_LON is between 11 and 12. Also the same for END_MSG.
How can I do that?
Sorry for my bad English skills ;).
Thank you so much in advance!
You can use CASE WHEN
expression as follows:
SELECT ...
....
END_LAT,
END_LON,
CASE WHEN START_LAT BETWEEN 10 AND 11 AND START_LON BETWEEN 11 AND 12
THEN 'country xy'
ELSE START_MSG
END AS START_MSG,
CASE WHEN START_LAT BETWEEN 10 AND 11 AND START_LON BETWEEN 11 AND 12
THEN 'country xy'
ELSE END_MSG
END AS END_MSG
FROM TABLE_1
MATCH_RECOGNIZE (
...
OR use your entire query in the sub-query and in the outer query use this CASE..WHEN
for these two columns