Example: Using PERCENTILE
/*PTI Table*/ SELECT $TD_TIMECODE_RANGE, $TD_GROUP_BY_TIME, BUOYID, PERCENTILE(TEMPERATURE, 25), COUNT(*) FROM OCEAN_BUOYS WHERE TD_TIMECODE BETWEEN TIMESTAMP '2014-01-06 08:00:00' AND TIMESTAMP '2014-01-06 10:30:00' GROUP BY TIME (MINUTES(10) AND BUOYID) ORDER BY 3,2,1; /*Non-PTI Table*/ SELECT $TD_TIMECODE_RANGE, $TD_GROUP_BY_TIME, BUOYID, PERCENTILE(TEMPERATURE, 25), COUNT(*) FROM OCEAN_BUOYS_NONPTI WHERE TIMECODE BETWEEN TIMESTAMP '2014-01-06 08:00:00' AND TIMESTAMP '2014-01-06 10:30:00' GROUP BY TIME (MINUTES(10) AND BUOYID) USING TIMECODE(TIMECODE)
The results are the same for both tables:
TIMECODE_RANGE | GROUP BY TIME (MINUTES(10)) | BUOYID | Percentile (TEMPERATURE) | Count(*) |
---|---|---|---|---|
('2014-01-06 08:00:00.000000+00:00', '2014-01-06 08:10:00.000000+00:00') | 1 | 0 | 10 | 3 |
('2014-01-06 08:10:00.000000+00:00', '2014-01-06 08:20:00.000000+00:00') | 2 | 0 | 10 | 2 |
('2014-01-06 09:00:00.000000+00:00', '2014-01-06 09:10:00.000000+00:00') | 7 | 1 | 72 | 6 |
('2014-01-06 10:00:00.000000+00:00', '2014-01-06 10:10:00.000000+00:00') | 13 | 44 | 43 | 10 |
('2014-01-06 10:10:00.000000+00:00', '2014-01-06 10:20:00.000000+00:00') | 14 | 44 | 43 | 1 |
Example: Using the LOW Interpolation Scheme
/*PTI Table*/ SELECT $TD_TIMECODE_RANGE, $TD_GROUP_BY_TIME, BUOYID, PERCENTILE(TEMPERATURE, 25, LOW), COUNT(*) FROM OCEAN_BUOYS WHERE TD_TIMECODE BETWEEN TIMESTAMP '2014-01-06 08:00:00' AND TIMESTAMP '2014-01-06 10:30:00' GROUP BY TIME (MINUTES(10) AND BUOYID) ORDER BY 3,2,1; /*Non-PTI Table*/ SELECT $TD_TIMECODE_RANGE, $TD_GROUP_BY_TIME, BUOYID, PERCENTILE(TEMPERATURE, 25, LOW), COUNT(*) FROM OCEAN_BUOYS_NONPTI WHERE TIMECODE BETWEEN TIMESTAMP '2014-01-06 08:00:00' AND TIMESTAMP '2014-01-06 10:30:00' GROUP BY TIME (MINUTES(10) AND BUOYID) USING TIMECODE(TIMECODE) ORDER BY 3,2,1;
The results are the same for both tables:
TIMECODE_RANGE | GROUP BY TIME (MINUTES(10)) | BUOYID | Percentile (TEMPERATURE) | Count(*) |
---|---|---|---|---|
('2014-01-06 08:00:00.000000+00:00', '2014-01-06 08:10:00.000000+00:00') | 1 | 0 | 10 | 3 |
('2014-01-06 08:10:00.000000+00:00', '2014-01-06 08:20:00.000000+00:00') | 2 | 0 | 10 | 2 |
('2014-01-06 09:00:00.000000+00:00', '2014-01-06 09:10:00.000000+00:00') | 7 | 1 | 72 | 6 |
('2014-01-06 10:00:00.000000+00:00', '2014-01-06 10:10:00.000000+00:00') | 13 | 44 | 44 | 43 |
('2014-01-06 10:10:00.000000+00:00', '2014-01-06 10:20:00.000000+00:00') | 14 | 44 | 43 | 1 |