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tolgaozen merged 1 commit into from
Nov 27, 2025
Merged

refactor(postgres): update default idle connection constants for clarity #2662

tolgaozen merged 1 commit into from
Nov 27, 2025

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@tolgaozen tolgaozen commented Nov 27, 2025 •
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Summary by CodeRabbit

  • Chores
    • Optimized database connection pooling configuration to ensure consistent resource availability and improved system stability.

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coderabbitai bot commented Nov 27, 2025 •
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Walkthrough

This change updates database connection pool defaults in PostgreSQL configuration. The default minimum idle connections increases from 0 to 1, and a documentation comment is corrected for naming accuracy.

Changes

Cohort / File(s) Summary
PostgreSQL Connection Defaults
pkg/database/postgres/consts.go		 Modified _defaultMinIdleConnections from 0 to 1; corrected _defaultMaxIdleConnections doc comment from "MinConns" to "MinConnections"

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

  • Single constant value change with straightforward intention
  • Minor documentation typo correction with no behavioral impact

Possibly related PRs

Poem

🐰 A single connection waits,
No longer zero at the gates,
One idle thread to greet the day,
A pooling change in every way! ✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title accurately describes the main changes: updating default idle connection constants in the postgres configuration. It directly relates to the functional change (_defaultMinIdleConnections) and documentation correction mentioned in the summary.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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  • Post copyable unit tests in a comment
  • Commit unit tests in branch update-db-connection-params
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Reviewing files that changed from the base of the PR and between f95e186 and 8eda2dc.

📒 Files selected for processing (1)
  • pkg/database/postgres/consts.go (1 hunks)
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🔇 Additional comments (1)
pkg/database/postgres/consts.go (1)

5-7: Behavioral change: pool will now keep one idle connection by default

The deprecation comment on _defaultMaxIdleConnections looks clear and helpful. Changing _defaultMinIdleConnections from 0 to 1 will, however, alter runtime behavior for deployments that rely on the defaults: the pool will now maintain at least one idle connection instead of potentially going down to zero when idle.

If that alignment with internal/config DefaultConfig is intentional across all environments (including serverless / ephemeral workloads), this looks good. Otherwise, consider either:

  • documenting this behavior change in release notes / config docs, or
  • keeping the default at 0 and only using 1 in the specific configs that need it.

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codecov bot commented Nov 27, 2025 •
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.55%. Comparing base (36b573a) to head (8eda2dc).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files 
@@            Coverage Diff             @@
##           master    #2662      +/-   ##
==========================================
+ Coverage   82.54%   82.55%   +0.02%     
==========================================
  Files          74       74              
  Lines        8125     8125              
==========================================
+ Hits         6706     6707       +1     
+ Misses        904      903       -1     
  Partials      515      515

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@tolgaozen tolgaozen merged commit 6d83612 into master Nov 27, 2025
15 checks passed
@tolgaozen tolgaozen deleted the update-db-connection-params branch November 27, 2025 22:19
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