natlabs / hydradb

A performant, single canister, document database built on the internet computer's decentralized cloud infrastructure

Hydra DB

A single canister document database currently in development.

Features

• Candid serialization for all types
• Query Caching
• Indexes
  • Single field index
  • Multiple field index
  • Multi-key array index
  • Text index (full text search)
• Hydra Query Language
  • operators (and, or, not, eq, gte, lte, gt, lt, in, nin)
  • functions (count, sum, avg, min, max)
  • modifiers (limit, skip, sort)
• Schema
  • Schema Validation on insert/update
  • Backwards compatibility on schema changes
  • Schema Constraints (required, unique, enum, min, max)
• Transactions
  • Single document transactions
  • Document versioning
• Backup and Restore
  • Copy on Write Snapshots
  • External canister Backups
  • Consistent incremental backups
• Garbage collection of regions from deleted collections