prepare release ruby-duckdb 1.5.5.0

[suketa]

Release Notes - Version 1.5.5.0

• New Features

  • DuckDB::Value creators for the remaining types: create_date, create_time, create_time_ns, create_time_tz, create_timestamp, create_timestamp_s, create_timestamp_ms, create_timestamp_ns, create_timestamp_tz, create_interval, create_list, create_array, create_struct, create_map, create_enum, create_union, create_bit, create_bignum.
  • DuckDB::Value#to_ruby converts a value to a Ruby object, including LIST/ARRAY (Array), STRUCT/MAP (Hash), ENUM (String), UNION (member value), BIT (String of 0/1), BIGNUM (Integer), BLOB (BINARY String) and DECIMAL (BigDecimal), recursively.
  • Nested value readers: #list_size, #list_child, #struct_child, #map_size, #map_key, #map_value.
  • DuckDB::Connection#table_names(sql, qualified: false) returns the table names referenced by a SQL query without executing it.
  • DuckDB::PreparedStatement#column_count, #column_name, #column_type, #column_logical_type expose result-set column metadata without executing the statement.
  • DuckDB::PreparedStatement#param_logical_type(param_index) returns the DuckDB::LogicalType of a bind parameter.
  • DuckDB::Error#error_type returns the DuckDB error category as a Symbol (e.g. :constraint, :catalog, :parser).
  • TIME_NS support in DuckDB::ScalarFunction and DuckDB::AggregateFunction (requires DuckDB >= 1.5.0).

• Bug Fixes

  • TIME_NS and TIMESTAMP_NS values (including query results) are now converted to Ruby Time with full nanosecond precision instead of being truncated to microseconds.

• Other

  • Bump DuckDB to 1.5.5 on CI and in the Dockerfile.
  • Bump Ruby to 3.4.10 on CI.

Summary by CodeRabbit

• New Features

  • Added release information for version 1.5.5.0.

• Chores

  • Updated the packaged DuckDB engine to version 1.5.5.
  • Updated the Ruby library version to 1.5.5.0.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: fd933e80-8364-4c0a-a719-5e4b6e6e09c4

📥 Commits

Reviewing files that changed from the base of the PR and between 43c7403 and 2424870.

⛔ Files ignored due to path filters (1)

• Gemfile.lock is excluded by !**/*.lock

📒 Files selected for processing (3)

• CHANGELOG.md
• Dockerfile
• lib/duckdb/version.rb

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📝 Walkthrough

Walkthrough

The release version is updated to 1.5.5.0 in the Ruby version constant and changelog, while the Docker build argument advances to DuckDB 1.5.5.

Changes

Release version alignment

Layer / File(s)	Summary
Update release version references lib/duckdb/version.rb, Dockerfile, CHANGELOG.md	The Ruby version constant and Docker build argument are updated to 1.5.5, and a 1.5.5.0 changelog entry is added under Unreleased.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• suketa/ruby-duckdb#929: Performs the same coordinated version update across the Ruby constant, Docker build argument, and changelog.
• suketa/ruby-duckdb#1215: Adds a release header and aligns the Ruby and Docker version references.
• suketa/ruby-duckdb#1360: Updates the same release-version locations for a prior DuckDB release.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the release-prep changes and version bump to ruby-duckdb 1.5.5.0.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch prepare_release_1.5.5.0

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