Initial development roadmap

Phase 1 (completed!)

the "get it working" phase

Write something that passes all the search tests for Wagtail CMS

• Initial project setup (DONE)
• Mappings (DONE)
• Basic data types (string, number, boolean) (DONE)
• "simple" and "edgengram" analyzers (DONE)
• Simple flat, in-memory document index (not inverted) (DONE)
• Simple, ranked retrieval (DONE)
• Prefix queries (DONE)
• Create/Delete index API (DONE)
• Search/Count API (DONE)
• Put/Get/Delete document API (DONE)
• Put mapping API (DONE)
• Bulk insert API (DONE)

Phase 2 (completed!)

the "tidy it up" phase

Tidying up the code written in phase 1. Adding tests. Starting some of the groundwork for phase 3

• Rewrite query parser (DONE)
• Mapping registry (DONE)
• Term/Token data structures (DONE)
• Multi-value fields (DONE)
• Rationalise query types (DONE)
• Multiple backend support (DONE)

Phase 3 (ETA early 2017)

the "make it work properly" phase

• Search on inverted index (DONE)
• Configurable analyzers (DONE)
• Date fields (DONE)
• "terms" query (DONE)
• Persistence (in progress)
• Probablistic retrieval (DONE)
• Server configuration
• Release 0.1! 🚀

Post initial development

Things I'd like to get done eventually, but are too big for the initial development phase.

• "exists" and "missing" queries (in progress)
• Nested fields (in progress)
• Snowball stemmer integration
• Function scoring
• Range queries
• Phrase queries
• Management CLI (rusticctl)
• Plugins
• Highlighting
• Geospatial search
• "more like this" queries
• Aggregations
• Script scoring
• Percolators
• Authentication and access control
• Clustering
• Monitoring (logging/statistics/alerts)