chore: librarian release pull request: 20260213T101303Z

[rahul2393]

PR created by the Librarian CLI to initialize a release. Merging this PR will auto trigger a release.

Librarian Version: v1.0.0
Language Image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:b8058df4c45e9a6e07f6b4d65b458d0d059241dd34c814f151c8bf6b89211209

google-cloud-spanner: 3.63.0

3.63.0 (2026-02-13)

Features

• add requestID info in error exceptions (feat: add requestID info in error exceptions #1415) (2c5eb96c)

Bug Fixes

• prevent thread leak by ensuring singleton initialization (fix(metrics): prevent thread leak by ensuring singleton initialization #1492) (e792136a)

Documentation

• snippet for setting read lock mode (docs(spanner): snippet for setting read lock mode #1473) (7e79920c)

[gemini-code-assist]

Summary of Changes

Hello @rahul2393, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request is an automated release initiated by the Librarian CLI to publish version 3.63.0 of the google-cloud-spanner library. It incorporates a new feature for enhanced error reporting, resolves a threading issue, and provides updated documentation. Merging this PR will automatically trigger the release process.

Highlights

• Feature: Added request ID information to error exceptions for improved debugging.
• Bug Fix: Addressed a potential thread leak by ensuring proper singleton initialization.
• Documentation: Included a new snippet demonstrating how to set the read lock mode.
• Version Update: The google-cloud-spanner library has been updated to version 3.63.0.

Changelog

• .librarian/state.yaml
  • Updated the google-cloud-spanner library version from 3.62.0 to 3.63.0.
• CHANGELOG.md
  • Added new version 3.63.0 entry.
  • Included documentation update: snippet for setting read lock mode (docs(spanner): snippet for setting read lock mode #1473).
  • Included feature: add requestID info in error exceptions (feat: add requestID info in error exceptions #1415).
  • Included bug fix: prevent thread leak by ensuring singleton initialization (fix(metrics): prevent thread leak by ensuring singleton initialization #1492).
• google/cloud/spanner_admin_database_v1/gapic_version.py
  • Bumped __version__ to 3.63.0.
• google/cloud/spanner_admin_instance_v1/gapic_version.py
  • Bumped __version__ to 3.63.0.
• google/cloud/spanner_dbapi/version.py
  • Bumped __version__ to 3.63.0.
• google/cloud/spanner_v1/gapic_version.py
  • Bumped __version__ to 3.63.0.
• samples/generated_samples/snippet_metadata_google.spanner.admin.database.v1.json
  • Updated version metadata to 3.63.0.
• samples/generated_samples/snippet_metadata_google.spanner.admin.instance.v1.json
  • Updated version metadata to 3.63.0.
• samples/generated_samples/snippet_metadata_google.spanner.v1.json
  • Updated version metadata to 3.63.0.

Activity

• This pull request was automatically created by the Librarian CLI to initiate a release.
• Merging this PR is configured to automatically trigger the release process for the updated library version.

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[gemini-code-assist]

Code Review

This pull request is an automated release for google-cloud-spanner version 3.63.0. The changes primarily consist of version bumps across various files and an update to the changelog. The changes are mostly correct, but I've suggested a minor reordering in the CHANGELOG.md file to improve its consistency and readability.

[gemini-code-assist]

For consistency with common changelog conventions and the order in the PR description, it's better to reorder the sections in this release entry to be Features, then Bug Fixes, and finally Documentation.

Suggested change

	### Documentation
	* snippet for setting read lock mode (#1473) ([7e79920cfc8be76261dea1348931b0ef539dd6e1](https://github.com/googleapis/python-spanner/commit/7e79920cfc8be76261dea1348931b0ef539dd6e1))
	### Features
	* add requestID info in error exceptions (#1415) ([2c5eb96c4b395f84b60aba1c584ff195dbce4617](https://github.com/googleapis/python-spanner/commit/2c5eb96c4b395f84b60aba1c584ff195dbce4617))
	### Bug Fixes
	* prevent thread leak by ensuring singleton initialization (#1492) ([e792136aa487f327736e01e34afe01cf2015f5a0](https://github.com/googleapis/python-spanner/commit/e792136aa487f327736e01e34afe01cf2015f5a0))
	### Features
	* add requestID info in error exceptions (#1415) ([2c5eb96c4b395f84b60aba1c584ff195dbce4617](https://github.com/googleapis/python-spanner/commit/2c5eb96c4b395f84b60aba1c584ff195dbce4617))
	### Bug Fixes
	* prevent thread leak by ensuring singleton initialization (#1492) ([e792136aa487f327736e01e34afe01cf2015f5a0](https://github.com/googleapis/python-spanner/commit/e792136aa487f327736e01e34afe01cf2015f5a0))
	### Documentation
	* snippet for setting read lock mode (#1473) ([7e79920cfc8be76261dea1348931b0ef539dd6e1](https://github.com/googleapis/python-spanner/commit/7e79920cfc8be76261dea1348931b0ef539dd6e1))