[POC] Fuse operations in equal_rows_arr

[LeslieKid]

Which issue does this PR close?

Closes #12131 .

Rationale for this change

What changes are included in this PR?

Are these changes tested?

Are there any user-facing changes?

[LeslieKid]

The current benchmark results on my computer are:

--------------------
Benchmark tpch_mem_sf1.json
--------------------
┏━━━━━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Query        ┃     main ┃ hash-join ┃        Change ┃
┡━━━━━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
│ QQuery 1     │  88.79ms │   85.61ms │     no change │
│ QQuery 2     │  13.24ms │   13.14ms │     no change │
│ QQuery 3     │  21.88ms │   22.28ms │     no change │
│ QQuery 4     │  13.12ms │   13.36ms │     no change │
│ QQuery 5     │  42.65ms │   40.32ms │ +1.06x faster │
│ QQuery 6     │   4.79ms │    4.77ms │     no change │
│ QQuery 7     │  81.89ms │   80.93ms │     no change │
│ QQuery 8     │  16.44ms │   16.56ms │     no change │
│ QQuery 9     │  45.76ms │   45.13ms │     no change │
│ QQuery 10    │  41.66ms │   41.02ms │     no change │
│ QQuery 11    │   5.65ms │    6.05ms │  1.07x slower │
│ QQuery 12    │  26.32ms │   26.35ms │     no change │
│ QQuery 13    │  18.90ms │   19.65ms │     no change │
│ QQuery 14    │   5.07ms │    5.09ms │     no change │
│ QQuery 15    │  11.67ms │   11.69ms │     no change │
│ QQuery 16    │  12.68ms │   12.57ms │     no change │
│ QQuery 17    │  63.97ms │   63.23ms │     no change │
│ QQuery 18    │ 148.73ms │  148.57ms │     no change │
│ QQuery 19    │  23.53ms │   23.29ms │     no change │
│ QQuery 20    │  23.16ms │   23.25ms │     no change │
│ QQuery 21    │ 101.53ms │   99.36ms │     no change │
│ QQuery 22    │  15.41ms │   15.11ms │     no change │
└──────────────┴──────────┴───────────┴───────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━┓
┃ Benchmark Summary        ┃          ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━┩
│ Total Time (main)        │ 826.83ms │
│ Total Time (hash-join)   │ 817.33ms │
│ Average Time (main)      │  37.58ms │
│ Average Time (hash-join) │  37.15ms │
│ Queries Faster           │        1 │
│ Queries Slower           │        1 │
│ Queries with No Change   │       20 │
└──────────────────────────┴──────────┘
--------------------
Benchmark tpch_sf1.json
--------------------
┏━━━━━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
┃ Query        ┃     main ┃ hash-join ┃        Change ┃
┡━━━━━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
│ QQuery 1     │ 115.67ms │  113.55ms │     no change │
│ QQuery 2     │  20.18ms │   20.85ms │     no change │
│ QQuery 3     │  40.90ms │   42.72ms │     no change │
│ QQuery 4     │  27.69ms │   26.85ms │     no change │
│ QQuery 5     │  65.46ms │   65.07ms │     no change │
│ QQuery 6     │  19.83ms │   20.36ms │     no change │
│ QQuery 7     │  92.16ms │   87.85ms │     no change │
│ QQuery 8     │  59.73ms │   57.81ms │     no change │
│ QQuery 9     │  80.80ms │   80.41ms │     no change │
│ QQuery 10    │  71.76ms │   68.15ms │ +1.05x faster │
│ QQuery 11    │  13.70ms │   14.08ms │     no change │
│ QQuery 12    │  41.34ms │   40.55ms │     no change │
│ QQuery 13    │  41.06ms │   39.47ms │     no change │
│ QQuery 14    │  30.83ms │   29.78ms │     no change │
│ QQuery 15    │  49.08ms │   50.25ms │     no change │
│ QQuery 16    │  14.89ms │   15.39ms │     no change │
│ QQuery 17    │ 105.27ms │  102.18ms │     no change │
│ QQuery 18    │ 140.74ms │  137.79ms │     no change │
│ QQuery 19    │  54.41ms │   51.36ms │ +1.06x faster │
│ QQuery 20    │  46.00ms │   43.53ms │ +1.06x faster │
│ QQuery 21    │ 108.36ms │  108.11ms │     no change │
│ QQuery 22    │  17.36ms │   17.62ms │     no change │
└──────────────┴──────────┴───────────┴───────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┓
┃ Benchmark Summary        ┃           ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━┩
│ Total Time (main)        │ 1257.23ms │
│ Total Time (hash-join)   │ 1233.75ms │
│ Average Time (main)      │   57.15ms │
│ Average Time (hash-join) │   56.08ms │
│ Queries Faster           │         3 │
│ Queries Slower           │         0 │
│ Queries with No Change   │        19 │
└──────────────────────────┴───────────┘

I'm not sure if the test results on my computer are accurate. Can you help for running the benchmarks on your machines? @Dandandan @Rachelint