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Changelog

v0.5.4

Added

ClickHouse: Support multiple Hosts configuration

v0.5.3

Added

ClickHouse Protocol Support: New protocol field in ConnectionConfig for ClickHouse connections (http, https, clickhouse, clickhouse-secure)

Fixed

Fail-safe Validation: Unknown schema check types and unknown operators now fail instead of silently passing
Float Equality: Equality/inequality comparisons use epsilon tolerance to avoid floating-point precision issues
Error Wrapping: All adapter ExecuteQuery errors now use %w for proper error wrapping
ClickHouse Connector: Ping now actually pings the server before fetching version
Config Loading: Fixed potential NPE
Regex Compilation: Check parser regexes compiled once at package level instead of per call

Changed

Upgraded to Go 1.26 and updated all dependencies
Moved sample checks file to examples/checks.yml
Copyright headers updated to 2026

v0.5.0

Added

Schema Validation: New schema_checks support for validating database table schemas
- expect_columns check to validate required column presence and types
- expect_columns_ordered check to validate required column presence and types in specific order
- columns_not_present check to ensure specific columns are not present by stop-list or pattern
Enhanced Check Configuration: New flexible checks format with improved YAML configuration
Database Adapter Architecture: Refactored to use adapter pattern for better database abstraction
Comprehensive Test Coverage: Added extensive test suites for all adapters and validation logic
CI/CD Pipeline: GitHub Actions workflow for automated testing

Improved

Performance: Enhanced query execution with optimized adapter interfaces
Configuration: More flexible check expression parsing and validation
Error Handling: Better validation and error reporting for check results
Code Quality: Comprehensive refactoring with improved maintainability