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04-Timeseries

Fun: csum()
1. Basic query for input different params
2. Query on super/child/normal table
3. Support types
4. Error cases
5. Query with where condition
6. Query with group/partition/order by
7. Query with tags
8. Query with join/union/nest/interval
9. Query with limit/slimit/offset/soffset
10. Check null value
11. Check boundary values

Fun: derivative()
1. Basic query for different params
2. Query on super/child/normal table
3. Support data types
4. Error cases
5. Query with where condition
6. Query with partition/group/order by
7. Query with sub query
8. Query with function nested
9. Query with limit/slimit/offset/soffset
10. Check null value

Fun: diff()
1. Sim case for LIKE, timestamp comparisons, and ordinary column comparisons.
2. Basic query for input different params
3. Query on super/child/normal table
4. Support types
5. Error cases
6. Query with where condition
7. Query with group/partition/order by
8. Query with tags
9. Query with join/union/nest/interval
10. Query with limit/slimit/offset/soffset
11. Check null value

Fun: interp()
1. Basic query for different params
2. Query on super/child/normal/empty table
3. Support data types
4. Error cases
5. Query with where condition
6. Query with partition/group/order by
7. Query with sub query
8. Query with union/join/fill/every/range/interval
9. Select _irowts, _irowts_origin, _isfilled
10. Check null value
11. Single INTERP query covering multiple columns

Fun: irate()
1. Basic query for input different params
2. Query on super/child table
3. Support data types
4. Error cases
5. Query with where condition
6. Query with partition/order by
7. Query with sub query
8. Query with function nested
9. Check null value

Fun: mavg()
1. Basic query for different params
2. Query on super/child/normal table
3. Support data types
4. Error cases
5. Query with where condition
6. Query with partition/group/order by
7. Query with sub query
8. Query with function nested
9. Query with limit/slimit/offset/soffset
10. Check null value

Fun: sample()
1. Basic query for different params
2. Query on super/child/normal table
3. Support data types
4. Error cases
5. Query with where condition
6. Query with partition/group/order by
8. Query with union/join/range/interval
9. Query with null value
10. Query with big data

Fun: statecount()
1. Basic query for different params
2. Query on super/child/normal table
3. Support data types
4. Error cases
5. Query with where condition
6. Query with partition/group/order by
7. Query with sub query
8. Query with union/join
9. Query with unit time
10. Check null value
11. Boundary values

Fun: stateduration()
1. Basic query for different params
2. Query on super/child/normal table
3. Support data types
4. Error cases
5. Query with where condition
6. Query with partition/group/order by
7. Query with sub query
8. Query with union/join
9. Query with unit time
10. Check null value
11. Boundary values

Fun: twa()
1. Basic query for different params
2. Query on super/child table
3. Support data types
4. Error cases
5. Query with where condition
6. Query with partition/group by
7. Query with sub query
8. Query with union
9. Check null value