Paradedb support part2 #562
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This commit adds support for ParadeDB's pg_search PostgreSQL extension,
which provides BM25-based full-text search as an alternative to the
built-in PostgreSQL text search features.
Key changes:
- Add ParadeDB feature class implementing the @@@ operator and paradedb.score()
- Support for various query types: standard, phrase, prefix, and fuzzy search
- Add migration generator for creating pg_search extension and BM25 indexes
- Include comprehensive tests for ParadeDB functionality
- Add documentation with usage examples
Usage:
PgSearch.multisearch_options = { using: :paradedb }
This provides an alternative search backend using BM25 ranking algorithm
which often provides better relevance scoring than traditional TF-IDF.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <[email protected]>
This commit extends ParadeDB support to work with pg_search_scope,
enabling BM25 search on individual models.
Key features:
- Auto-creates BM25 indexes on model tables when using ParadeDB
- Supports all ParadeDB query types (standard, phrase, prefix, fuzzy)
- Handles multi-column searches with proper indexing
- Manages long index names (PostgreSQL 63-char limit)
- Includes primary key in index for paradedb.score() function
- Works alongside existing search methods (tsearch, trigram)
Configuration options:
- query_type: Choose between standard, phrase, prefix, or fuzzy search
- auto_create_index: Enable/disable automatic BM25 index creation
- check_extension: Enable/disable extension verification
- index_name: Specify custom index names
- key_field: Override the primary key field for scoring
Example usage:
pg_search_scope :search_products,
against: [:name, :description],
using: {
paradedb: {
query_type: :phrase,
auto_create_index: true
}
}
Added comprehensive documentation and test scripts to demonstrate
proper usage and integration patterns.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <[email protected]>
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