sqlds for Hydrolix

Hydrolix-specific fork of grafana/sqlds v5.1.1.

Fork Changes

Forked on 2026-04-16. Summary of changes from upstream:

Added

• interpolator.go — SQL interpolation and macro handling using Hydrolix's clickhouse-sql-parser
• metadata.go — Metadata provider for ClickHouse metadata queries (primary keys, ad-hoc filters) with TTL caching
• models/settings.go — Hydrolix-specific plugin settings and configuration models
• driver_round_time_test.go — Round time functionality tests
• Comprehensive test coverage for interpolator, macros, metadata, and settings

Changed

• Renamed Go module to github.com/hydrolix/sqlds/v5
• Rewrote macros.go with Hydrolix-specific macro implementations
• Modified connector.go, datasource.go, driver.go, and health.go for Hydrolix integration

Removed

• .github/ CI/CD workflows, codeowners, and issue automation (Grafana-specific)
• completion.go — generic completion logic
• driver-mock.go — generic driver mock
• Generic integration and middleware tests

Dependencies

• Added github.com/hydrolix/clickhouse-sql-parser v0.3.0
• Added github.com/jellydator/ttlcache/v3 v3.4.0
• Added github.com/mithrandie/csvq-driver v1.7.0
• Added github.com/grafana/dataplane/sdata v0.0.9