3 repositorios
Search capabilities that find documents where a specified property is absent or has no value.
Distinct from Search Indexing: Distinct from Search Indexing: focuses on querying for absent or empty field values, not general indexing or retrieval.
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RediSearch is a Redis module that adds secondary indexing, full-text search, aggregation, and vector similarity search directly into the in-memory data store. It operates as an in-process search engine, extending the core key-value store with capabilities for indexing hash and JSON documents, enabling fast field-level lookups beyond primary key access. The module provides a full-text search engine built on inverted indexes, supporting stemming, fuzzy matching, and relevance scoring via tf-idf. It also includes a vector similarity search engine using a Hierarchical Navigable Small World graph
Provides dedicated query functions for finding documents where a property is absent or empty.
Datascript es un almacén de estado inmutable en memoria y un almacén de triples basado en esquemas. Gestiona el estado de la aplicación como una base de datos versionada, almacenando datos como hechos inmutables que consisten en una entidad, atributo, valor y transacción. El proyecto proporciona un motor lógico para ejecutar consultas Datalog con soporte para joins implícitos, reglas recursivas y negación. También cuenta con una API de extracción declarativa para recuperar grafos de entidades profundamente anidados y estructuras de datos relacionadas. La base de datos impone la integridad de los datos a través de restricciones basadas en esquemas y tipos de atributos. Admite transacciones atómicas, protocolos de almacenamiento conectables para persistencia e indexación de atributos B-tree para optimizar las búsquedas. El sistema está diseñado para su uso en entornos Clojure, ClojureScript y JavaScript.
Provides specialized query predicates to identify entities that are missing specific attributes.
RavenDB is a multi-model NoSQL document database designed for high-performance, ACID-compliant data storage. It persists structured information as schema-flexible JSON documents and utilizes a unit-of-work session pattern to track entity changes and batch modifications into atomic transactions. The platform is built on a distributed architecture that supports horizontal scaling through sharding and ensures high availability via multi-node, master-to-master cluster replication. The database distinguishes itself through a self-optimizing query engine that automatically creates and maintains ind
Configures whether documents with missing fields are ignored or indexed as null values to control query results.