Add micro benchmark by JMH

[dai-chen]

Description

This PR is to add a new benchmarks module for ad-hoc microbenchmark on class level. This was motivated by discussion in #1196 (comment). For now we just use this for local ad-hoc benchmark test before submitting PR. We can explore https://github.com/marketplace/actions/continuous-benchmark for automation and performance degradation detect later.

Test

I added 1 benchmark class ComparisonOperatorBenchmark as an example.

$ ./gradlew :benchmark:jmh

...

Benchmark                                        (testDataType)  Mode  Cnt  Score    Error  Units
ComparisonOperatorBenchmark.testEqualOperator               int  avgt    3  0.005 ±  0.008  ms/op
ComparisonOperatorBenchmark.testEqualOperator            string  avgt    3  0.009 ±  0.004  ms/op
ComparisonOperatorBenchmark.testEqualOperator              date  avgt    3  0.001 ±  0.001  ms/op
ComparisonOperatorBenchmark.testGreaterOperator             int  avgt    3  0.005 ±  0.010  ms/op
ComparisonOperatorBenchmark.testGreaterOperator          string  avgt    3  0.010 ±  0.003  ms/op
ComparisonOperatorBenchmark.testGreaterOperator            date  avgt    3  0.001 ±  0.001  ms/op
ComparisonOperatorBenchmark.testLessOperator                int  avgt    3  0.004 ±  0.002  ms/op
ComparisonOperatorBenchmark.testLessOperator             string  avgt    3  0.010 ±  0.003  ms/op
ComparisonOperatorBenchmark.testLessOperator               date  avgt    3  0.001 ±  0.001  ms/op

Documentation

Please find more details in https://github.com/dai-chen/sql-1/blob/test-mircro-benchmark/benchmarks/README.md. Reference: https://github.com/opensearch-project/OpenSearch/blob/main/benchmarks/README.md

Issues Resolved

N/A

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest [except BWC]
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov-commenter]

Codecov Report

Merging #1278 (b0caa1e) into main (6a90fe6) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main    #1278   +/-   ##
=========================================
  Coverage     98.34%   98.34%           
  Complexity     3600     3600           
=========================================
  Files           343      343           
  Lines          8908     8908           
  Branches        567      567           
=========================================
  Hits           8761     8761           
  Misses          142      142           
  Partials          5        5           

Flag	Coverage Δ
sql-engine	98.34% <ø> (ø)

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