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Update changelog and benchmarks
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‎CHANGELOG.md

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# Changelog
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## v0.2.0 (TBA)
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## v0.2.0 (2025-05-04)
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### Enhancement
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- SQL 2016 conformance [#6](https://github.com/elixir-dbvisor/sql/pull/6).
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- MySQL adapter [#5](https://github.com/elixir-dbvisor/sql/pull/5).
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- PostgreSQL adapter [#5](https://github.com/elixir-dbvisor/sql/pull/5).
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- TDS adapter [#5](https://github.com/elixir-dbvisor/sql/pull/5).
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- Improve SQL generation with 4-600x compared to Ecto [#7](https://github.com/elixir-dbvisor/sql/pull/7).
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- Ensure inspect follows the standard [representation](https://hexdocs.pm/elixir/Inspect.html#module-inspect-representation) [#4](https://github.com/elixir-dbvisor/sql/pull/4)
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- Improve SQL generation with 57-344x compared to Ecto [#7](https://github.com/elixir-dbvisor/sql/pull/7) [#4](https://github.com/elixir-dbvisor/sql/pull/4).
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- Ensure inspect follows the standard [representation](https://hexdocs.pm/elixir/Inspect.html#module-inspect-representation) [#4](https://github.com/elixir-dbvisor/sql/pull/4).
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- Ensure storage is setup when running benchmarks [#5](https://github.com/elixir-dbvisor/sql/pull/5).
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### Deprecation
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- token_to_sql/2 is deprecated in favor of SQL.Token behaviour token_to_string/2 [#5](https://github.com/elixir-dbvisor/sql/pull/5).
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- token_to_sql/2 is deprecated in favor of SQL.Token behaviour token_to_string/2 [#11](https://github.com/elixir-dbvisor/sql/pull/11).
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## v0.1.0 (2025-03-01)
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‎benchmarks/v0.2.0.md

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➜ sql git:(optimize-sql-generation) ✗ mix sql.bench
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Compiling 1 file (.ex)
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Generated sql app
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➜ sql git:(main) ✗ mix sql.bench
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Operating System: macOS
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CPU Information: Apple M1 Max
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Number of Available Cores: 10
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inputs: none specified
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Estimated total run time: 56 s
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Benchmarking Ecto.Repo.to_sql ...
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Benchmarking ecto ...
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Benchmarking inspect ...
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Benchmarking to_sql ...
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Benchmarking to_string ...
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Calculating statistics...
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Formatting results...
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Name ips average deviation median 99th %
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to_sql 4.74 K 0.21 ms ±20.20% 0.20 ms 0.32 ms
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to_string 4.51 K 0.22 ms ±3.60% 0.22 ms 0.26 ms
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inspect 0.24 K 4.09 ms ±2.96% 4.09 ms 4.36 ms
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Ecto.Repo.to_sql 0.00757 K 132.03 ms ±1.45% 131.80 ms 139.43 ms
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Name ips average deviation median 99th %
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to_sql 2.66 K 0.38 ms ±2.66% 0.37 ms 0.42 ms
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to_string 1.75 K 0.57 ms ±31.77% 0.47 ms 1.10 ms
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inspect 0.25 K 3.94 ms ±4.64% 3.91 ms 4.35 ms
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ecto 0.00772 K 129.54 ms ±1.20% 129.14 ms 132.51 ms
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Comparison:
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to_sql 4.74 K
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to_string 4.51 K - 1.05x slower +0.0108 ms
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inspect 0.24 K - 19.39x slower +3.88 ms
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Ecto.Repo.to_sql 0.00757 K - 626.20x slower +131.82 ms
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to_sql 2.66 K
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to_string 1.75 K - 1.52x slower +0.196 ms
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inspect 0.25 K - 10.47x slower +3.56 ms
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ecto 0.00772 K - 344.27x slower +129.16 ms
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Memory usage statistics:
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Name Memory usage
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to_sql 0.38 MB
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to_string 0.153 MB - 0.40x memory usage -0.22888 MB
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inspect 4.88 MB - 12.80x memory usage +4.50 MB
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Ecto.Repo.to_sql 179.35 MB - 470.13x memory usage +178.97 MB
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Name Memory usage
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to_sql 0.69 MB
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to_string 0.46 MB - 0.67x memory usage -0.22888 MB
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inspect 6.71 MB - 9.78x memory usage +6.03 MB
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ecto 179.35 MB - 261.19x memory usage +178.67 MB
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**All measurements for memory usage were the same**
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➜ sql git:(optimize-sql-generation) ✗ mix sql.bench
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Compiling 1 file (.ex)
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Generated sql app
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Operating System: macOS
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CPU Information: Apple M1 Max
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Number of Available Cores: 10
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Formatting results...
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Name ips average deviation median 99th %
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to_string 27.59 36.24 ms ±0.75% 36.22 ms 37.21 ms
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to_sql 27.45 36.42 ms ±0.47% 36.39 ms 36.93 ms
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inspect 24.53 40.76 ms ±1.07% 40.75 ms 41.60 ms
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ecto 6.96 143.65 ms ±1.37% 143.36 ms 148.62 ms
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to_sql 394.70 2.53 ms ±3.88% 2.51 ms 2.82 ms
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to_string 391.12 2.56 ms ±1.82% 2.55 ms 2.70 ms
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inspect 132.40 7.55 ms ±6.37% 7.69 ms 8.44 ms
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ecto 6.89 145.10 ms ±1.22% 144.41 ms 149.21 ms
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Comparison:
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to_string 27.59
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to_sql 27.45 - 1.00x slower +0.181 ms
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inspect 24.53 - 1.12x slower +4.52 ms
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ecto 6.96 - 3.96x slower +107.41 ms
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to_sql 394.70
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to_string 391.12 - 1.01x slower +0.0232 ms
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inspect 132.40 - 2.98x slower +5.02 ms
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ecto 6.89 - 57.27x slower +142.56 ms
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Memory usage statistics:
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Name Memory usage
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to_string 4.50 MB
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to_sql 4.73 MB - 1.05x memory usage +0.23 MB
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inspect 9.23 MB - 2.05x memory usage +4.73 MB
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ecto 202.87 MB - 45.11x memory usage +198.37 MB
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to_sql 4.35 MB
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to_string 4.12 MB - 0.95x memory usage -0.22913 MB
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inspect 10.37 MB - 2.39x memory usage +6.03 MB
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ecto 202.87 MB - 46.67x memory usage +198.52 MB
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**All measurements for memory usage were the same**

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