implement performance optimizations for migration process & rel v.0.2.0

[isdaniel]

as title

[gemini-code-assist]

Code Review

This pull request bumps the project version to 0.2.0 and introduces several performance optimizations, most notably parallelizing pre-flight validation checks and implementing batched sequence synchronization using a PL/pgSQL DO block to minimize network round-trips. It also removes legacy table progress emission logic and updates the pg_walstream dependency. Feedback identifies a potential runtime error in the PL/pgSQL block if identifiers contain percent signs and notes an inconsistency between the documented return value and the actual behavior of the batched sequence sync function.

[codecov]

Codecov Report

❌ Patch coverage is 95.27559% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.88%. Comparing base (730da06) to head (9bf936b).

Files with missing lines	Patch %	Lines
pg_dbmigrator/src/orchestrator.rs	0.00%	8 Missing ⚠️
pg_dbmigrator/src/sequences.rs	98.35%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #8      +/-   ##
==========================================
+ Coverage   89.49%   90.88%   +1.39%     
==========================================
  Files          16       16              
  Lines        5633     5850     +217     
==========================================
+ Hits         5041     5317     +276     
+ Misses        592      533      -59     

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[isdaniel]

/gemini review

[gemini-code-assist]

Code Review

This pull request bumps the version to 0.2.0 and introduces several performance optimizations, most notably parallelizing pre-flight validation checks and batching sequence synchronization into a single PL/pgSQL block to reduce network round-trips. Feedback identified a critical bug in the sequence synchronization logic where the temporary table used to track results would be dropped prematurely due to the 'ON COMMIT DROP' clause. Additionally, it was suggested to use more unique dollar-quoting tags in the generated SQL to prevent potential syntax errors with complex database identifiers.

[isdaniel]

/gemini review

[isdaniel]

/gemini review

[gemini-code-assist]

Code Review

This pull request introduces several performance optimizations, including parallelizing pre-flight validation checks and implementing a batched sequence synchronization mechanism using PL/pgSQL to reduce network round-trips. It also updates documentation and bumps the project version to 0.2.0. A critical bug was identified in the sequence synchronization logic where a temporary table was configured to drop on commit, which would prevent the results from being retrieved across separate transactions.

[isdaniel]

/gemini review

[gemini-code-assist]

Code Review

This pull request bumps the version to 0.2.0 and introduces several performance optimizations, including parallel pre-flight checks and batched sequence synchronization using PL/pgSQL to reduce network round-trips. Documentation and dependencies were also updated to reflect these changes. A significant issue was identified in the sequence synchronization logic where the use of ON COMMIT DROP on a temporary table could cause it to be deleted before the results are retrieved, effectively breaking the batch optimization.

[gemini-code-assist]

Code Review

This pull request updates the version to 0.2.0 and introduces several performance optimizations, including parallelized pre-flight checks and batched sequence synchronization via PL/pgSQL to reduce network round-trips. Feedback suggests improving the robustness of identifier escaping in the generated SQL by using native placeholders in the RAISE statement to avoid potential syntax errors with special characters.

[isdaniel]

/gemini review

[gemini-code-assist]

Code Review

This pull request bumps the project version to 0.2.0 and introduces several performance optimizations. Key improvements include parallelizing pre-flight validation checks using tokio::join! and implementing batched sequence synchronization via a PL/pgSQL DO block to reduce network round-trips. The documentation was updated to reflect these changes and the transition to workspace-based dependencies. Additionally, the preflight logic was refined to exclude internal PostgreSQL namespaces, and integration tests were hardened. I have no feedback to provide as there were no review comments.