类型和映射 Lucene 如何处理文档 类型是怎么实现的 预防类型陷阱 类型和映射 类型 在 Elasticsearch 中表示一组相似的文档。类型 由一个 名称（比如 user 或 blogpost ）和一个类似数据库表结构的映射组成，描述了文档中可能包含的每个字段的 属性，数据类型（比如 string , integer 或 date ...

Profile Example request Example response Response fields The query object The breakdown object The collector array Collector reasons Aggregations Example request: Global...

Search with k-NN filters How does a k-NN filter work? Filtered search performance Filter approaches by use case Boolean filter with approximate k-NN search Example request Examp...

Search with k-NN filters How does a k-NN filter work? Filtered search performance Filter approaches by use case Boolean filter with approximate k-NN search Sample request Sample...

k-NN search with filters Filtered search optimization Efficient k-NN filtering Lucene k-NN filter implementation Using a Lucene k-NN filter Faiss k-NN filter implementation Usi...

Entry Points Since OrientDB v 1.7 Implementing OIndexFactory Implementing OIndexEngine get V get(Object key); put void put(Object key, V value); Create Index from SQL Ent...

Document-level security (DLS) Simple roles Parameter substitution Attribute-based security User definition Role definition Use term-level lookup queries (TLQs) with DLS How t...

Store File system storage types Store The store module allows you to control how index data is stored and accessed on disk. This is a low-level setting. Some store implementa...

Third-Party Plugins CAPI-Rowcache Stratio’s Cassandra Lucene Index Third-Party Plugins Available third-party plugins for Apache Cassandra CAPI-Rowcache The Coherent Accelera...

Console - CREATE INDEX Console - CREATE INDEX Create an index on a given property. OrientDB supports three index algorithms and several index types that use these algorithms....