Aggregation bucket align (for RedisTimeSeries >= 1.6.0)

[xdev-developer]

Aggregation align support.

ALIGN - Time bucket alignment control for AGGREGATION. This will control the time bucket timestamps by changing the reference timestamp on which a bucket is defined. Possible values:

start or - : The reference timestamp will be the query start interval time ( fromTimestamp ).
end or + : The reference timestamp will be the query end interval time ( toTimestamp ).
A specific timestamp: align the reference timestamp to a specific time.
Note: when not provided alignment is set to 0 .

[codecov]

Codecov Report

Merging #30 (9a1910d) into master (4ebd561) will increase coverage by 0.11%.
The diff coverage is 7.14%.

@@             Coverage Diff              @@
##             master      #30      +/-   ##
============================================
+ Coverage     65.56%   65.68%   +0.11%     
- Complexity      580      585       +5     
============================================
  Files           104      105       +1     
  Lines          2053     2066      +13     
  Branches        172      173       +1     
============================================
+ Hits           1346     1357      +11     
- Misses          606      611       +5     
+ Partials        101       98       -3     

Impacted Files	Coverage Δ
.../dengliming/redismodule/redistimeseries/Align.java	0.00% <0.00%> (ø)
...ming/redismodule/redistimeseries/RangeOptions.java	72.00% <0.00%> (+22.00%)	⬆️
...redismodule/redistimeseries/protocol/Keywords.java	100.00% <100.00%> (ø)
...g/redismodule/redistimeseries/RedisTimeSeries.java	90.42% <0.00%> (+2.12%)	⬆️

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[dengliming]

@xdev-developer Thanks for your contribution. Is this PR ready to merge?

[xdev-developer]

I'm trying add more understandable test.

[xdev-developer]

@dengliming should I ignore this test by default? (it will fail with redis ts < 1.6.0)

[dengliming]

@xdev-developer Looks good. Can you check the ci? There are some check style errors. : )

[dengliming]

@dengliming should I ignore this test by default? (it will fail with redis ts < 1.6.0)

Agree. Let's ignore this test by default. We can test it with different versions in the future. e.g. we can introduce custom annotation for test.

@EnabledOnVersion("1.6.0")
public void testAggregationsAlign() {}

[xdev-developer]

Yep, will fix soon

[dengliming]

@xdev-developer Thanks. That's merged.