Impostazione dello schema Oracle 11g R2 :
CREATE TABLE FILE_USAGE_LOG (TESTID, SITE, LATEST_READ, READ_COUNT, FILE_ORIGIN_ID ) AS
SELECT 'File1', 'Site1', DATE '2013-05-02', 2, 1 FROM DUAL
UNION ALL SELECT 'File1', 'Site2', DATE '2014-01-22', 3, 2 FROM DUAL
UNION ALL SELECT 'File2', 'Site1', DATE '2014-06-02', 8, 0 FROM DUAL
UNION ALL SELECT 'File3', 'Site1', DATE '2014-09-19', 17, 0 FROM DUAL
UNION ALL SELECT 'File4', 'Site2', DATE '2014-09-19', 14, 2 FROM DUAL
UNION ALL SELECT 'File4', 'Site2', DATE '2014-09-19', 34, 1 FROM DUAL
UNION ALL SELECT 'File4', 'Site3', DATE '2014-09-19', 10, 0 FROM DUAL
UNION ALL SELECT 'File5', 'Site2', DATE '2014-09-19', 44, 2 FROM DUAL
UNION ALL SELECT 'File5', 'Site3', DATE '2014-09-19', 1, 2 FROM DUAL;
Query 1 :
SELECT TESTID,
REGEXP_REPLACE(
LISTAGG( SITE, ', ' )
WITHIN GROUP( ORDER BY SITE ),
'([^, ]+)(, \1)+($|, )',
'\1\3'
) AS SITES,
MAX( LATEST_READ ) AS LATEST_READ,
SUM(READ_COUNT) AS Total_Read_Count
FROM FILE_USAGE_LOG
GROUP BY
TESTID
HAVING COUNT( CASE FILE_ORIGIN_ID WHEN 2 THEN NULL ELSE 1 END ) > 0
UNION ALL
SELECT TESTID,
SITE,
LATEST_READ,
READ_COUNT
FROM FILE_USAGE_LOG l
WHERE FILE_ORIGIN_ID = 2
AND NOT EXISTS ( SELECT 'X'
FROM FILE_USAGE_LOG x
WHERE x.TESTID = l.TESTID
AND x.FILE_ORIGIN_ID <> 2
)
ORDER BY 1,2
| TESTID | SITES | LATEST_READ | TOTAL_READ_COUNT |
|--------|--------------|-----------------------------|------------------|
| File1 | Site1, Site2 | January, 22 2014 00:00:00 | 5 |
| File2 | Site1 | June, 02 2014 00:00:00 | 8 |
| File3 | Site1 | September, 19 2014 00:00:00 | 17 |
| File4 | Site2, Site3 | September, 19 2014 00:00:00 | 58 |
| File5 | Site2 | September, 19 2014 00:00:00 | 44 |
| File5 | Site3 | September, 19 2014 00:00:00 | 1 |
Query 2 :
SELECT TESTID,
REGEXP_REPLACE(
LISTAGG( SITE, ', ' )
WITHIN GROUP( ORDER BY SITE ),
'([^, ]+)(, \1)+($|, )',
'\1\3'
) AS SITES,
MAX( LATEST_READ ) AS LATEST_READ,
SUM(READ_COUNT) AS Total_Read_Count
FROM FILE_USAGE_LOG
WHERE TESTID NOT LIKE 'this%'
AND LATEST_READ BETWEEN DATE '2014-01-01' AND DATE '2014-12-31'
GROUP BY
TESTID
HAVING COUNT( CASE FILE_ORIGIN_ID WHEN 2 THEN NULL ELSE 1 END ) > 0
UNION ALL
SELECT TESTID,
SITE,
LATEST_READ,
READ_COUNT
FROM FILE_USAGE_LOG l
WHERE FILE_ORIGIN_ID = 2
AND NOT EXISTS ( SELECT 'X'
FROM FILE_USAGE_LOG x
WHERE x.TESTID = l.TESTID
AND x.FILE_ORIGIN_ID <> 2
AND TESTID NOT LIKE 'this%'
AND LATEST_READ BETWEEN DATE '2014-01-01' AND DATE '2014-12-31'
)
AND TESTID NOT LIKE 'this%'
AND LATEST_READ BETWEEN DATE '2014-01-01' AND DATE '2014-12-31'
ORDER BY 1,2
| TESTID | SITES | LATEST_READ | TOTAL_READ_COUNT |
|--------|--------------|-----------------------------|------------------|
| File1 | Site2 | January, 22 2014 00:00:00 | 3 |
| File2 | Site1 | June, 02 2014 00:00:00 | 8 |
| File3 | Site1 | September, 19 2014 00:00:00 | 17 |
| File4 | Site2, Site3 | September, 19 2014 00:00:00 | 58 |
| File5 | Site2 | September, 19 2014 00:00:00 | 44 |
| File5 | Site3 | September, 19 2014 00:00:00 | 1 |
