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Database Migrations for ClickHouse — houseplant 0.2.2 documentation

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Houseplant is a CLI tool that helps you manage database migrations for ClickHouse.

Here’s how you can manage your migration to ClickHouse:

$ houseplant init
✨ Project initialized successfully!

$ houseplant generate "add events"
✨ Generated migration: ch/migrations/20240101000000_add_events.yml

$ houseplant migrate:status
Database: june_development

┏━━━━━━━━┳━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━┓
┃ Status ┃ Migration ID   ┃ Migration Name ┃
┡━━━━━━━━╇━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━┩
│   up   │ 20240101000000 │ add events     │
└────────┴────────────────┴────────────────┘

$ houseplant migrate
✓ Applied migration 20241121003230_add_events.yml

$ houseplant migrate:up VERSION=20241121003230
✓ Applied migration 20241121003230_add_events.yml

$ houseplant migrate:down VERSION=20241121003230
✓ Rolled back migration 20241121003230_add_events.yml

Why Houseplant?

  • Schema Management: Houseplant automatically tracks and manages your changes to the ClickHouse schema, making it easy to evolve your data model over time

  • Developer Experience: Write migrations in YAML format, so they are easy to read, review, and maintain

  • Supporting the Environment: Separate configurations for development, test, and production environments

  • Rich CLI: Includes an intuitive command-line interface for all migration operations

The User’s Guide

2024-12-27 18:11:00

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