[Multi-stage] Optimize group key generation

[Jackie-Jiang]

• Use primitive type for single key column generation
• For 2 key columns, combine 2 dictionary ids into a long and use long as the key to generate the ids
• For multiple key columns, combine dictionary ids into a list and use it as the key to generate the ids
• Support BigDecimal column as key

The algorithm is the same as NoDictionaryMultiColumnGroupKeyGenerator

[codecov-commenter]

Codecov Report

Attention: 174 lines in your changes are missing coverage. Please review.

Comparison is base (43dadbf) 61.73% compared to head (fceadd0) 61.71%.

Files	Patch %	Lines
...upby/NoDictionaryMultiColumnGroupKeyGenerator.java	44.68%	45 Missing and 7 partials ⚠️
.../operator/groupby/OneFloatKeyGroupIdGenerator.java	0.00%	31 Missing ⚠️
...e/operator/groupby/OneLongKeyGroupIdGenerator.java	0.00%	31 Missing ⚠️
...operator/groupby/OneDoubleKeyGroupIdGenerator.java	59.37%	8 Missing and 5 partials ⚠️
...me/operator/groupby/MultiKeysGroupIdGenerator.java	70.00%	9 Missing and 3 partials ⚠️
.../query/aggregation/groupby/utils/ValueToIdMap.java	0.00%	8 Missing ⚠️
...time/operator/groupby/TwoKeysGroupIdGenerator.java	80.95%	3 Missing and 5 partials ⚠️
.../query/aggregation/groupby/utils/FloatToIdMap.java	57.14%	3 Missing ⚠️
...e/query/aggregation/groupby/utils/LongToIdMap.java	57.14%	3 Missing ⚠️
...time/operator/groupby/GroupIdGeneratorFactory.java	70.00%	2 Missing and 1 partial ⚠️
... and 5 more

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #12394      +/-   ##
============================================
- Coverage     61.73%   61.71%   -0.03%     
  Complexity      207      207              
============================================
  Files          2428     2436       +8     
  Lines        132828   133069     +241     
  Branches      20545    20607      +62     
============================================
+ Hits          82007    82118     +111     
- Misses        44811    44921     +110     
- Partials       6010     6030      +20     

Flag	Coverage Δ
custom-integration1	<0.01% <0.00%> (-0.01%)	⬇️
integration	<0.01% <0.00%> (-0.01%)	⬇️
integration1	<0.01% <0.00%> (-0.01%)	⬇️
integration2	0.00% <0.00%> (ø)
java-11	61.67% <57.66%> (+<0.01%)	⬆️
java-21	61.55% <57.66%> (-0.07%)	⬇️
skip-bytebuffers-false	61.69% <57.66%> (-0.02%)	⬇️
skip-bytebuffers-true	61.52% <57.66%> (-0.06%)	⬇️
temurin	61.71% <57.66%> (-0.03%)	⬇️
unittests	61.70% <57.66%> (-0.03%)	⬇️
unittests1	46.87% <57.66%> (-0.05%)	⬇️
unittests2	27.70% <0.00%> (-0.02%)	⬇️

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