What’s great is that most of these options are supported in Dremio, let’s take a closer look. Relational Elasticsearch Schema Mapping Database Index Table Type Row Document Column Field SQL DSL+Painless Aggregation Aggregation Projection Projection Boolean Boolean Primary Key _id Field Join Does not exist Foreign Key Does not exist Following the hierarchical namespace model, […]
The Elasticsearch Query DSL is a powerful and simple way to express queries in Elasticsearch using JSON. Painless is a simple, secure scripting language for inline and stored scripts. When considered together, it is possible to map most SQL queries to Elasticsearch efficiently and with high performance. In this tutorial we will look at how […]
Elasticsearch is a popular open source datastore that enables developers to query data using a JSON-style domain-specific language, known as the Query DSL. Elasticsearch’s scale-out architecture, JSON data model, and text search capabilities make it an attractive datastore for many applications. Dremio makes it easy to connect your favorite BI tools to Elasticsearch, including Tableau. […]
